dictionary q,r (FILEminimizer) từ điển anh việt chuyên ngành công nghệ ô tô

PGS. TS. ĐỖ VĂN DŨNG
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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
Qq

Q letter on the sidewall of a tyre
denoting the maximum speed for
which it is designed (160 km/h or
100 mph): Ký tự trên vỏ xe chỉ
tốc độ tối đa 160 km/h
QTS = QUARTZ TUNING SYSTEM:
Hệ thống dò đài tự động trong
radio
quad-cam engine n. engine with four
camshafts: Động cơ 4 trục cam
quadrant n. (a) (transmission) guide
which indicates the position of the
gear selector of an automatic
gearbox: Bảng báo vò trí cài số
(b) (steering) the V-shaped
toothed section of a worm-and-
section steering box: phần răng
dạng chữ V của bánh vít trong
hộp lái
quarter bumper n. type of shortened
bumper designed to give a car a
sporting image: Thanh cản ngắn
gắn thêm để xe có dáng thể thao
quarter-elliptic leaf spring n.
cantilevered half of a semi-elliptic
leaf spring, rigidly attached to a

vehicle at its major section and
carrying the axle at its end
section: Lá nhíp dạng một phần
tư elip
quarter panel n. rear section of the
body shell which incorporates the
rear wing and usually also the C-
pillar: Trụ đỡ khung cửa phía
sau
quartz-halogen bulb n. high intensity
headlight bulb with a trace of a
halogen gas (such as iodine) in a
quartz envelope: Bóng đèn thạch
anh - halogen
 quartz tuning system (QTS) n.
quartz- controlled tuning system
with digital tuning and frequency
display; uses micro-processor-
controlled PLL circuitry: Hệ
thống dò đài tự động trong radio
quattro (Italian for) four; indicates
that a car has four-wheel drive:
Xe 2 cầu chủ động (Ý)
quench v. (spark) to damp or
suppress: Tắt, nguội, trui
 quench zones n. those parts within
the combustion chamber of an
engine where the temperature of
the A/F mixture is lower than
necessary for optimum

combustion, due to contact with
the relatively cold metal surface;
incomplete combustion in the
quench zones is one of the two
major factors contributing to HC
and CO concentrations in the
exhaust gas: Vùng lạnh trong
buồng cháy (tỷ lệ hoà khí trong
vùng hơi nghèo do tiếp xúc với
bề mặt lạnh của kim loại).
quick take-up valve n. residual
pressure valve with relief hole in
a brake master cylinder: Van cắt
áp suất dư (phanh)
quill shaft n. hollow shaft: Trục rỗng

Q

quill shaft

PGS. TS. ĐỖ VĂN DŨNG
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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
Rr

R (a) = REVERSE : Tay số lùi R
(b) letter on a fuel gauge
indicating low fuel; when first
illuminated it indicates that there
is approximately five litres left in

reserve: Ký tự trên đồng hồ đo
nhiên liệu chỉ mực nhiên liệu
trong thùng thấp
(c) letter on the sidewall of a tyre
denoting the maximum speed for
which it is designed (170 km/h or
105 mph): Ký tự trên cạnh vỏ xe
chỉ tốc độ tối đa 170 km/h
race 1 n. inner or outer cylindrical
ring holding the balls or rollers in
an antifriction: Vòng rế ổ bi
2 v. (engine) to run at high speed
when not in gear: Cho động cơ
chạy ở tốc độ cao (không cài số)
 racing start n. a start on a
normal street, e. g. at traffic lights,
using excessive throttle resulting
in wheelspin and tyre screeching:
Sự trượt bánh xe khi xuất phát
mà đạp ga gấp
rack n. long, toothed bar: Thanh răng
 rack-and-pinion steering n.
steering system in which a pinion
on the end of the steering shaft
meshes with a rack of gear teeth
on the major crossmember of the
steering linkage: Cơ cấu lái
thanh răng – bánh răng
(NOTE:opposite is parallelogram
steering)

 rack galvanizing n.
galvanizing method for objects
which can be placed on a rack:
Mạ kẽm với các chi tiết đặt trên
thanh răng
rad (short for) radiator: Bộ tản nhiệt,
két nước
radial bearing n. bearing designed to
absorb the radial forces acting on
a pump: Ổ bi thiết kế để giảm
lực xuyên tâm trong bơm
 radial clearance n. = RADIAL
PLAY: Khe hở xuyên tâm
 radial engine n. multi-cylinder
engine in which the cylinders
radiate from a central crankshaft:
Động cơ hình sao
 radial-flow pump n. end-
suction centrifugal pump with the
liquid flowing perpendicular to the
pump shaft: Bơm hướng tâm.
 radial play n. bearing clearance
in the radial direction: Khe hở
bạc lót theo hướng tâm
 radial runout n. variation in
the radius of the tyre tread from
the wheel axis, making the tyre no
longer truly round; one of the
main causes of vehicle vibration:
Độ đảo hướng tâm.

radial shaft seal n. typical seal design
used to prevent leaks between
stationary parts and rotating shafts
and to exclude foreign matter: Cái
phốt làm kín trục quay.
radial tyre n. tyre in which the plies
are placed radially, or
perpendicular to the rim, with a
circumferential belt on top of
them; the rubber tread is
vulcanized on top of the belt and
R

radial tyre
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plies: Vỏ xe có bố quấn kiểu
hướng tâm.
radiator n. liquid-to-air heat
exchanger that transfers engine
heat to the outside air; consists of
many thin-walled tubes with metal
cooling fins that draw off heat
from the liquid (predominantly
water) inside them: Bộ tản nhiệt,
két nước
 radiator cap n. pressure cap at
the top of the radiator: Nắp két
nước

 radiator drain cock n.
radiator tap; unlike the radiator
drain plug, tools are not required
to drain the coolant from a
radiator with a drain cock: Vòi xả
két nùc
 radiator drain plug =
threaded closure plug located at
the underside of a radiator used to
drain the coolant; usually
equipped with a hex or Allen
head: Ốc xả két nước
radiator fan n. (of water-cooled
engine) crankshaft-driven fan
connected via a temperature-
sensitive viscous coupling, or
driven by an electric motor: Quạt
làm mát két nước
 radiator fan motor =
electrically operated motor
responsible for driving the
radiator fan: Môtơ quạt két nước
radiator grille n. grating that admits
cooling air to the radiator: Vỉ két
nước
 radiator grille surround n.
sheet metal panel for mounting
the radiator grille; often combined
with the front apron to from a
single front panel: Đường viền

bao quanh vỉ két nước
 radiator hose n. rubber pipe
connecting the radiator to the
cylinder block: Ống cao su mềm
dẫn nước từ két qua động cơ và
ngược lại.
 radiator hose shark tooth
pliers = special automotive tool
for removing and installing
radiator and heater hose; round
and toothed jaws securely grip the
hose whilts the handles provide
leverage to twist the hose free:
Kìm bóp ống két nước
 radiator support panel n.
panel located behind the radiator
grille surround which provides a
mounting for the radiator and
connects the mudguard skirts at
their front edge: Tấm (giá) đỡ két
nước.
radiator tank n. reservoir containing
the coolant in a radiator: Bình
nước phụ
radio / cassette deck (r/c) n.
combined radio and tape deck:
Ngăn chứa radio cassette.
 radio choke n. electric coil
used to prevent static in the radio
caused by opening and closing of

the contact points in the
instrument voltage regulator:
Cuộn dây chống nhiễu.
 Radio Data System (RDS) n.
system which interrupts a radio
broadcast with the latest
information on e. g. traffic
problems: Hệ thống ngắt sóng
radio để báo kẹt xe.
radiator

Radio Data System
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 radio frequency interference
(RFI) n. interference generated by the
ignition system and other electrical
apparatus; counteracted by
suppressors: Nhiễu radio do sóng
điện từ
radius arm or rod n. additional
suspension link in a beam axle
layout providing fore-and-aft
location of the axle: Thanh đẩy
phụ của hệ thống treo (thanh
kim loại được lắp vào hai bên
cầu xe và sườn xe để giữ đúng vò
trí nằm ngang của cầu xe)
rain channel n. : Rãnh thoát nước

mưa.
rake (angle) n. angle of a slope, e.
g. caster angle: Góc nghiêng
ramp n. (a) equipment used to support
a vehicle's front or rear for
underbody work: Con đội chết
(b) device used to raise a vehicle
in the air: Cầu nâng.
 2-post ramp / 4-post ramp:
Cầu nâng 2 trụ / 4 trụ
ram pressure n. pressure generated
by the deflection of the fluid flow
due to the curvature of the stator
blades, resulting in a momentum
acting on the turbine: p suất tạo
ra do sự lệch hướng dòng chảy
(tuốcbin)
range-change n. = AUXILIARY
GEARBOX: Hộp số phụ
ratchet n. (a) toothed rack or wheel
which is engaged by a lever to
permit motion in one direction
only: Con cóc, bánh cóc (chạy 1
chiều)
(b) drive handle with ratchet
mechanism that permits the socket
to rotate in one direction only, i. e.
the ratchet releases in one
direction, but catches in the other:
cần siết 2 chiều.

 ratchet adaptor = converts a
torque wrench or drive handle
without a ratchet mechanism into
a reversible ratchet tool: Bộ phận
chuyển cần siết 1 chiều thành 2
chiều
 ratchet handle = RATCHET
 ratchet screwdriver =
screwdriver with ratchet
mechanism: Tua nơ vít có bánh
cóc
rated capacity n. the quantity of
electricity which can be drawn
from a fully charged-battery for
20 hours by a constant discharging
current until cutoff voltage of 1.75
volts per cell is reached: Dung
lượng đònh mức của ắc quy.
 rated power n. the horsepower
(or kilowatt) power output of an
engine: Công suất ra của động
cơ.
 rated voltage n. the voltage
give for electrical equipment or
devices which refers to specified
operating conditions: Điện áp
đònh mức.
rationalization n. industrial re-
organization primarily aimed at a
more cost-effective and time-

saving production process: Sự hợp
lý hóa sản xuất
rat-tail file n. (informal) round file:
Giũa tròn.
Ravigneaux planetary gear set n.
comprises two sun gears of
different diameters, one internal
radio frequency interference

Ravigneaux planetary gear set

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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
gear, and several planet: Bộ bánh
răng hành tinh Ravigneaux.
raw exhaust gas n. exhaust gas
upstream of any emission control
device, e. g. before it passes
through a catalytic concerter: Khí
thải chưa xử lí.
 raw rubber n. natural rubber
which has been vulcanized: Cao
su thô
r/ c = RADIO / CASSETTE (DECK):
Ngăn chứa radio casset.
RDS = RADIO DATA SYSTEM
reach n. (sparking plug) distance
from the sealing washer to the end
of the thread: Chiều dài phần ren

đầu bougie.
reaction distance n. the time needed
to respond to a situation,
translated into the distance
required for this, depending on the
speed of travel; braking distance
plus reaction distance equals the
stopping distance: Thời gian đáp
ứng phanh
reaction injection moulding (RIM)
n. processing technique for the
production of large foamed
(automotive) components, based
on the simultaneous injection of
the liquid components and the
chemical reaction in the mould:
Kỹ thuật xử lý khi sản xuất
những chi tiết chất dẻo bằng
phương pháp ép khuôn
 reactive suspension n. =
ELECTRONIC RIDE CONTROL
 reactor one-way clutch n. =
STATOR ROLLER CLUTCH
real-time four-wheel drive n.
automatic four-wheel drive
engagement by means of an
electro-hydraulic clutch or a
viscous coupling incorporated in
the drive train: Truyền động 4
bánh tự động qua ly hợp điện-

thuỷ lực hoặc khớp nhớt.
ream v. to enlarge (e. g. worn valve
guides) with a reamer: Khoan,
xoáy rộng thêm
 reamer n. conically or
cylindrically shaped tool with
longitudinally cut teeth for manual
or machine operation, used for
precision finishing of bores: Dao
xoáy xy lanh
rear 1 n. the back: Phía sau, đằng
sau
2 a. at the back: Ở phía sau
 rear apron = REAR
VALANCE
 rear axle cross member n.
tubular frame member at the rear
of the body shell that incorporates
the mounting points for the rear
axle, e. g. on the VW Beetle and
the Porsch 911: Thanh ngang cầu
sau.
 rear (axle) differential n.
differential situated in the final
drive of the transmission assembly
in a conventional rearwheel drive
car: Bộ vi sai cầu sau
 rear bulkhead n. vertical
panel across the width of the car
that extends behind the rear seat

backrest and separates the interior
from the trunk: Vách ngăn giữa
ghế sau và ngăn để đồ
 rear bumper skirt n. rear
bumper with integral skirt; a large
plastic mounting: Thanh cản sau
raw exhaust gas

rear bumper skirt

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 rear cabin pillar n. C-PILLAR:
Trụ đỡ cabin phía sau
 rear end n. the rear part of the
body shell, extending
approximately from the rear seat
pan to the rear apron of the car,
incorporating the boot floor: Đuôi
xe.
 rear engine n. engine located
at the rear of a vehicle but outside
the wheelbase (i. e. behind rear
wheels): Động cơ đặt phía sau
 rear fog light or lamp n. red
light of the same intensity as a
brake light: Đèn sương mù đằng
sau
 rear-hinged door n. older type

of door construction that had the
hinges at the rear of the door:
Cửa bản lề phía sau
 rear lamp cluster n. group of
lights at the rear corner of a
vehicle, commonly comprising:
tail lamp, brake lamp, reversing
lamp, rear fog lamp, reflector,
direction indicator: Cụm đèn sau
 rear light surround n.
separate panel spot-welded at the
juncture between the trailing edge
of the rear wing and the rear
valance to provide a mounting
base for the rear lights: Đường
viền bao quanh đèn sau
 rear numberplate light or
lamp n. while light illuminating
the rear nemberplate: Đèn bảng
số phía sau xe
 rear panel n. the panel of the
body shell set underneath the
bootlid; sometimes referred to as
the rear valance if the area below
the bootlid consists of a single
panel only that extends down to
the bottom of the body; in many
designs, however, the rear
valance is a separate horizontal
panel that extends from the rear

bumper area downwards: Panô
phía sau.
(NOTE: US English is back
panel)
rear seat belt n. inertia reel belt fitted
at each end of the rear seats; a
passeng erriding in the middle of
the rear seats must be satisfied
with just a lap belt, which many
safety experts regard as
inadequate: Dây đai an toàn chỗ
ngồi phía sau
 rear side window n. may refer
to various types of side body
glass; the side window between
the B- and C- posts of two-door
saloons, the rearmost side window
of estate cars between the C- and
D-post, i. e. behind the rear seat
backrest, and the third side
window found on some four-door
saloons behind the rear side
doors: Cửa hông phía sau
 rear spoiler n. aerofoil
mounted on the rear deck,
typically made of shock-resistant
polyurethane with paintable matt
black finish; effective only at high
speeds, but frequently used for the
sake of appearance: Thanh khí

động ở đuôi xe
rear valance n. separate panel set
below the rear panel which
extends approximately from
behind the rear bumper
rear cabin pillar

rear valance

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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
downwards to protect the rear end
from splashes of mud: Tấm che
bùn sau.
 rear-view mirror n. mirror that
enables the driver to see what is
behind him/her without turning
round: Gương chiếu hậu bên
trong
(NOTE: although all the driver's
mirrors are rear-view, this usually
refers to the interior mirror)
 rear wash / wipe (system) n.
electrical system for cleaning the
rear window, comprising a water
pump, reservoir and wiper: Hệ
thống gạt xòt nước kính sau
rear-wheel drive (RWD) n.
configuration in which the rear

wheels of the vehicle are driven:
truyền động bánh sau
 rear-wheel drive transaxle =
rear-wheel drive construction
incorporating a transmission-
differential unit placed between
the rear wheels of a front-engined
car: Transaxle (hộp số và cầu)
dành cho xe cầu sau chủ động.
 rear window n. central window
at the rear of a vehicle: Kính phía
sau (NOTE: US English is
backlight)
 rear window heating = heating
element that demists inside and
de-ices outside: Xông kính sau.
(NOTE: US English is backlight
heater system)
 rear window louvers = plastic
molding attached to the rear
window which deflects sun rays to
keep the interior cool; usually
hinged to lift up for easy window
cleaning: Tấm che nắng phía
sau.
 rear wing n. body panel which
partially encloses a rear wheel:
Vè bánh sau
reboard (system) n. child restraint
system typically installed

backwards on the front passenger
seat and having the benefit that
the child's relatively heavy head is
pressed into the back of the child
seat instead of being displaced
forward in a frontal: Ghế bảo vệ
trẻ em đặt đối diện với ghế hành
khách trước
rebore 1 n. regrinding cylinder
bores: Sự xoáy lại (xy lanh)
2 v. to regrind worn or damaged
cylinder bores before fitting
oversize pistons: Xoáy xy lanh
rebound clip n. metal clip that holds
the leaves of a multi-leaf spring
together: Ngàm nhíp
 rebound stroke n. (shock
absorber) downstroke of a piston
in a spring damper : Hành trình
đi xuống của piston trong bộ
giảm xóc
rebuild v. to recondition: Tân trang,
làm lại máy
 rebuilt engine = engine
reassembled using either new
parts or reconditioned
components: phục hồi động cơ.
recap (US and Australia) =
RETREAD: Lốp xe đắp lại (tân
trang vỏ xe)

receiver n. (a) (e. g. of radio remote
control system device that
receives incoming electrical or
rear
-
view m
irror

receiver
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radio signals: Bộ phận thu tín
hiệu trong điều khiển từ xa
(NOTE: opposite is transmitter)
(b) (trailer towing) steel tubing
and channel structure that accepts
the ball-mount platform of a
removable trailer coupler: Khớp
nối rơ moóc
 receiver-drier n. device on
the high side of an air-
conditioning system, somewhere
between the condenser and the
expansion valve, which stores
excess refrigerant and removes
moisture from the refrigerant;
consists of a tank, a filter, a drying
agent, a pick-up tube, and, on
some units, a sight glass: Lọc ga

(trong hệ thống lạnh)
recessed spark position n. position
where the spark gap is actually in
the shell of the sparking plug;
used for racing and special
engines: Vò trí tia lửa ngang
trong loại bougie đặc biệt cho xe
đua
rechargeable battery n. =
STORAGE BATTERY: Pin sạc
reciprocating compressor n. a
positive displacement compressor
with reciprocating pistons; rarely
used for supercharging, more
frequently used for air
conditioning: Máy nén có piston
chuyển động tònh tiến
 reciprocating engine n.
engine with a piston that moves to
and fro, coming to a standstill at
each reversal: Động cơ có piston
chuyển động tònh tiến
 reciprocating pump n. =
PISTON CHARGING PUMP:
Bơm piston chuyển động tònh
tiến
recirculating ball steering n. special
version of the worm-and-nut
steering in which ball bearings
circulate between nut and worm to

reduce friction: Hệ thống lái có
bánh vít và đai ốc di chuyển ăn
khớp với nhau, giữa có bi di
chuyển
reconditioned engine or (informal)
recon n. worn engine that has
been given a new lease of life by
reboring the cylinders, regrinding
the crankshaft journals and
generally replacing anyworn or
damaged parts: Động cơ đã đại tu
recreational vehicle (RV) n. any
vehicle used for pleasure rather
than business or transport (e. g.
dune buggies): Xe phục vụ giải
trí
rectangular-section ring n.
compression ring with a
rectangular cross section:
Xécmăng có mặt cắt hình chữ
nhật
 rectangular headlamp n.
modern shape of headlamp as
opposed to the traditional circular
headlamp: Đèn đầu hình chữ
nhật
rectifier diode n. (in alternator)
semiconductor diode that converts
alternating current to direct
current: Điôt chỉnh lưu

 rectifier pack n. (of alternator)
diode heat sink with diodes: Vỉ
tản nhiệt bộ chỉnh lưu.
receiver
-
drier

rectifier diode

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recycling car n. a car built with
recycled materials and designed
so as to facilitate recycling: Xe
chế tạo bằng vật liệu tái chế
red lead n. poisonous, bright-red
powder, soluble in excess glacial
acetic acid and dilute hydrochloric
acid; used for corrosion
protection: Oxit chì màu đỏ dùng
để sơn lót.
red line n. on a tachometer, the top
speed range which is marked red
as sign of excssive engine speeds:
Mức báo động vượt quá tốc độ
cho phép trên đồng hồ tốc độ
động cơ.
reducer n. solvent used to dilute
synthetic enamels but not

compatible with lacquer paints:
Chất tẩy men tổng hợp
reducing agent n. (in chemical
reactions) material which adds
electrons to an element or
compound, i. e. which increases
the positiveness of its valence:
Chất khử
 reducing catalyst n. a catalyst
such as rhodium which converts
nitrogen oxides into harmless
nitrogen and oxygen in a reducing
catalytic converter: Chất xúc tác
khử oxyt nitơ trong bộ xúc tác
 reducing furnace n. section in
continuous galvanizing lines in
which the oxygen content of steel
surfaces is reduced at 900 - 980
0
C
by means of hydrogen: Lò giảm
hàm lượng oxy trên bề mặt thép
bằng hydro trong dây chuyền
mạ
 reduction n. chemical reaction
in which an element gains
electrons, i. e. , has an increase in
positive valence: Sự khử.
reduction gearbox n. gearbox
located at the wheels, which

reduces the drive speed and may
also increase ground clearance;
often found on 4wd off-road
vehicles: Hộp số giảm tốc
reed n. part of reed valve made of
flexible steel, or of glass fibre
reinforced resin, attached to the
valve case and normally closed:
Lưỡi gà (trong van lưỡi gà)
reed stop n. component of a reed
valve used to limit upward travel
of the reed: Bệ lưỡi gà (giới hạn
hành trình lưỡi gà)
reed valve n. control element which
allows the passage of an operating
medium into or out of a chamber:
Van lưỡi gà.
 reed valve induction timing =
using a reed valve located in the
intake system to control induction
timing: Điều khiển thời điểm hút
bằng van lưỡi gà.
reface v. general term for
reconditioning of the interface
between valves and their seats in
the cylinder head; depending on
valve seat condition, refacing may
involve lapping, grinding or
cutting: Rà lại, mài lại đế sú páp.
reference ignition pattern n.

oscilloscope pattern of an intact
ignition system for comparison
purposes: Dạng xung chuẩn đánh
lửa vít dùng để so sánh.
recycling car

reference ignition pattern

PGS. TS. ĐỖ VĂN DŨNG
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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
 reference input n. in closed-
loop control, the reference input is
fed to a controller that changes a
controlled variable in a controlled
system to achieve a certain output
condition or actual value: Giá trò
so sánh (điều khiển kín)
 reference mark sensor n.
magnetic pick-up attached to the
flywheel for sensing the
crankshaft position and
transferring the signal to the
electronic control unit, which
calculates the ignition point; the
reference mark sensor scans a pin
or a hole in the flywheel and
produces one output signal per
crankshaft revolution: Cảm biến
vò trí trục khuỷu (thường nằm

trên bánh đà)
 reference temperature n. the
temperature at which measuring
tools and pieces being worked on
must have the specified
measurements unless the contrary
is expressly stated: Nhiệt độ
chuẩn để so sánh.
 refinish system n. complete
product lines and product support
offered by many paint
manufacturers for respray
operations in body shops; these
onclude all materials from primers
and thinners to the topcoat plus
additional respray products; all
products are matched for optimum
results: Cụm dây chuyền sơn
reflectance n. ratio of reflected
luminous flux to that reflected
from an ideal, perfectly reflecting
surface when similarly
illuminated: Hệ số phản xạ ánh
sáng
 reflector n. (a) part of a
headlamp which receives light
from the bulb and reflects it back
through the lens: Chóa đèn pha
(b) part of a rear lamp cluster
which reflects the light from

headlamps behind: Tấm phản
chiếu ánh sáng ở đuôi xe
refrigerant n. (in air-conditioning
sustems) substance used in
refrigerating systems; automotive
air conditioners now use non-
Freon systems as well as the
refrigerant R-12 (Freon) as a heat
transfer medium: Môi chất làm
lạnh, lãnh chất
 refrigerant accumulator =
ACCUMULATOR-DRIER: Lọc
ga
refrigeration cycle n. (in air-
conditioning systems) refrigerant
in vapour from is pressurized in
the compressor, air-cooled in the
condenser and becomes a liquid
which passes through the
receiver-drier into low-pressure
liquid. It then flows through the
evaporator where it expands again
and starts to boil, absorbing heat
from the core and cooling the air
going into the passenger
compartment. The compressor
draws off the low-pressure
vaporized refrigerant and recyles
it: Chu trình làm lạnh
regenerative braking n. system in

which an electric motor can be
switched to generator mode when
braking, so that the kinetic energy
reference input

regenerative braking
PGS. TS. ĐỖ VĂN DŨNG
292
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
involved may be stored in the
battery: Hãm điện động cho
động cơ điện (biến thành máy
phát lúc hãm)
register (with) v. to align with:
Thẳng hàng
registered keeper n. the person who
keeps the car. i. e. who is
registered and pays tax (and
insurance) for the car; not
necessarily the same as the owner
or the driver: Người đăng ký xe
 registration n. act of entering
the details of a new vehicle in a
supervised record: Sự đăng ký (ô
tô)
 registration document =
papers giving details of a vehicle,
including its manufacturer, date of
registration, engine and chassis
numbers, and owner's name: Thẻ

đăng bộ xe
 registration number = unique
sequence of letters and numbers
assigned to a vehicle when it is
registered, usually indicating the
year and place of registration,
displayed on numberplates on the
front and rear of the vehicle: Số
đăng ký xe
 registration plate =
NUMBERPLATE: Bảng số đăng
ký xe
regrind 1 v. to smooth and polish
again (e. g. valve seats): Mài lại
regulated proportioning valve n. =
LOAD-SENSITIVE
PROPORTIONING VALVE: Van
phân phối theo tải
regulator n. any device which controls
fluid flow, pressure, temperature,
voltage, etc.: Bộ điều chỉnh
reinforce v. to increase the strength
of plastics by filling them with
whiskers of glass, metal, fibres,
etc.: Gia cố, tăng cường.
relative humidity (RH) n.
dimensionless ratio of the actual
vapour pressure of the air to the
saturation vapour pressure: Độ
ẩm tương đối

relay n. (a) automatic device which
controls the setting of a valve,
switch, etc. by means of an
electric motor, solenoid, or
pneumatic mechanism: Rơ le tự
động
(b) (electronics) electrical device
in which a small change in current
or voltage controls the switching
on or off of circuits or other
devices: Rơ le
release gent n. a substance to
prevent a moulding, i. e. a GRP
part, from sticking to the mould
and to facilitate its removal from
the mould; as opposed to release
wax, this is marketed in liquid
form only: Chất rửa khuôn
 release bearing n. =
CLUTCH RELEASE BEARING:
Bạc đạn tách ly hợp (pich tê)
 release button n. button at the
end of the handbrake lever which,
when depressed, allows the pawl
to be released from the ratchet:
nút nhả phanh tay
 release lever n. = CLUTCH
RELEASE LEVER: Cần tách ly
hợp
register

release lever
PGS. TS. ĐỖ VĂN DŨNG
293
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
 release wax see RELEASE
AGENT
 releasing fluid n. penetrating
oil for loosening seized parts: Dầu
dùng để làm lỏng chi tiết bò dính
do gỉ sét
relief passage n. = BYPASS:
Đường vòng, đường rẽ.
 relief valve n. (a) =
PRESSURE RELIEF VALVE
(b) valve in the air pump of an air
injection system which dumps part
of the air at high pump speeds to
prevent pump damage; may be
combined with the air gulp valve:
Van an toàn
reline v. to replace the brake shoes
in drum brakes: Thay bố phanh
trống (phanh)
reluctor n. (magnetic pick-up
assembly) = TRIGGER WHEEL:
Rotor, bánh răng trong cảm
biến điện từ.
remote control n. (a) control of
something from a distance: Sự

điều khiển từ xa
(b) the device used for this: Thiết
bò dùng để điều khiển từ xa
 remote-control locking =
central locking operated by a
remote control from outside the
car: Khóa điều khiển từ xa
 remote starter switch n.
special automotive tool that allows
the ignition switch to be bypassed
for cranking the engine: Công tắc
để khởi động từ xa.
remould v. & n. = RETREAD: Đắp
lại lốp xe
removable rim n. = DETACHABLE
RIM: Vành bánh có thể tháo rời
repair v. & n. 1 v. mending something
which is broken or has been
damaged: Sửa chữa
2 n. to restore something to
working condition, e. g. by
reconditioning, rebuilding,
replacing: Sự sửa chữa.
 repair kit = kit for the overhaul
of parts such as carburettors,
generators, pumps, universal
joints, etc.: nguyên cụm vật tư để
đại tu động cơ.
 repair section = special panel
supplied for body repairs that does

not include the full panel used for
assembling the car but only the
most vulnerable areas; i. e. for
wings, separate repair sections are
supplied for the headlamp area
and the bottom wing edges, where
damage usually occurs: Những bộ
phận rời để sửa chữa phần thân
xe.
repeater (lamp) n. direction indicator
on the side of a vehicle: Đèn xi
nhan(báo rẽ) bên hông xe.
replacement panel n. body panel
supplied for repair purposes;
sometimes also used to denote a
repair section: Tấm khung để
thay thế.
 replacement vehicle n. a car
lent by a dealer to a customer
while the customer's car is under
repair: Xe garage cho mượn
chạy tạm khi sửa chữa xe khách
hàng
replenishing port n. port in the
master cylinder body which
connects the fluid reservoir to the
annulus of the primary piston: Lỗ
release wax

replenishing port

PGS. TS. ĐỖ VĂN DŨNG
294
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
cung cấp trong xylanh cái của
hệ thống phanh.
replica or reproduction panel n. =
PATTERN PANEL
rep mobile n. (informal) car used by
a sales representative: Xe của đại
lý bán hàng.
required ignition voltage n.
maximum high voltage required to
produce a spark under particular
conditions: Hiệu điện thế đánh
lửa.
RES (on cruise control, short for)
resume preset cruising speed: Nút
nhấn để quay lại tốc độ đã chạy
(ga tự động)
research octane number (RON) n.
fuel octane rating determined by
the research octane test, one of
many test procedures: Chỉ số
ôctan nghiên cứu
reseat v. to recut a valve seat after
repeated grinding-in has worn it
out of shape: Làm lại bệ xúpáp
mới.
reserve capacity n. the time, in
minutes, a battery can maintain a

discharge rate of 25 amps: Dung
lượng dự trữ của ắc quy tính
bằng phút khi phóng dòng 25 A
reservoir n. (a) any container filled
with fluid: Thùng chứa, bình
chứa (chất lỏng)
(b) (double-tube shock absorber)
the space between the outer and
inner tubes of a double-tube shock
absorber which takes up the oil
squeezed out of the working
chamber corresponding to the
volume of the piston rod
immersed in the working
chamber: Ngăn chứa dầu trong
ống nhún kép
reshaping n. panel beating process
for removing dents: the panel is
brought roughly into its original
shape before detailed work is
performed in the finishing stage;
may also refer to the process of
forming a panel from sheet steel:
Gò lại
residual check valve n. =
RESIDUAL PRESSURE VALVE:
Van áp suất dư
 residual exhaust gases n.
exhaust gas remaining the
cylinder of a two-stroke engine

after the exhaust ports have been
closed, i. e. these gases have not
been scavenged: Khí thải sót
trong xy lanh (2 kỳ)
 residual pressure valve n.
valve mounted in the cylinder
outlet between piston and brake
lines of drum brake circuits;
maintains a certain minimum
pressure in the system; disc brakes
do not require a residual pressure
valve: Van áp suất dư
resin n. synthetic, usually organic,
material with a polymeric
structure which, especially after
having been treated with
plasticizer, stabilizer, etc.,
becomes hard when dry: Nhựa
 resistance thermometer n. an
electrical temperature sensor
which, in contrast to a
thermocouple, needs an external
voltage supply; the actual sensing
element is a resistor whose
resistance is an accurate
replica

resistance thermometer

PGS. TS. ĐỖ VĂN DŨNG

295
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
indication of temperature: Cảm
biến nhiệt điện trở
 resistance welding n. a fusion
welding method using electric
current and pressure; includes
spot, seam, projection, and butt
welding: Kỹ thuật hàn bấm.
 resistivity n. ability of a
material not to conduct electricity:
Điện trở suất (NOTE: opposite is
conductivity)
 resistor n. component that
reduces the current in an electrical
circuit: Điện trở
 resistor sparking plug =
sparking plug containing a resistor
to suppress interference with
audio-visual reception: Điện trở
đặt trong bougie (để chống
nhiễu)
resonator n. (a) any device that
attenuates pressure spikes: Bộ
phận giảm dao động áp suất
(b) first silencer in a two-silencer
system: Ống pô thứ nhất (loại 2
pô nối tiếp)
respray v. & n. (to add) a coat (or
several coats) of paint to the

existing finish: Phun sơn lại (v.),
sự phun sơn lại (n.)
(NOTE: It is notoriously difficult
to match the colour of a resprayed
panel to that of the original
paintwork)
restoration n. any extensive repair
work that is not limited to standard
reconditioning but is of far greater
scope, including remanufacture of
certain parts, stripping to the last
nut and bolt and verification of
each and every component: Sự
tân trang xe.
restraint system n. general term for
occupant safety systems such as
seat belts, belt tensioners, air
bags, child seats, etc.: Hệ thống
an toàn cho người sử dụng xe.
restrictor n. = NOZZLE
RETRICTOR
resurfacing n. if the cylinder head is
warped due to thermal
differences, its mating surface will
have to be machined to ensure
firstly that a level surface is
created and secondly that the
engine's compression ratio is not
increased to above a tolerable
value: Sự rà lại bề mặt nắp máy.

retainer (pin) n. = PAD
RETAINER (PIN): Chốt hãm.
 retainer plate n. plate which
prevents a value from sliding out
of its bore: Đóa giữ.
 retainer spring tool n. special
automotive tool used on drum
brakes for restraining the shoe
retaining springs for removal and
installation; comes in a variety of
shapes, e. g. as a screwdriver-type
tool with a special socket end to
trip retaining washers: Dụng cụ
kẹp lò xo sử dụng để tháo lắp
phanh loại tang trống.
retard v. (ignition timing) to cause
the spark to occur later: đánh lửa
trễ, muộn.
(NOTE: opposite is advance)
 retarded a. occurring late:
xảy ra trễ, muộn.
(NOTE: opposite is advanced)
resistance welding

retarded
PGS. TS. ĐỖ VĂN DŨNG
296
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
 retarder n. (a) additive to
decrease the evaporation rate of a

thinner or reducer in paint; used to
improve viscosity in hot weather:
phụ gia làm chậm sự bốc hơi của
chất pha sơn
(b) auxiliary brake used on
commercial vehicles and coaches
(it is a requirement in some EU
countries): Phanh phụ.
retract v. to draw back, pull back or
rewind: Xếp lại, rút lại, co lại.
 retractable aerial = telescopic
aerial: Anten xếp.
 retractable headlights =
concealed headlights: Đèn đầu
xếp được.
 retractor n. (seat belt) device
which locks the reel of a seat belt
when the forward acceleration of
the occupants exceeds a certain
value: Cơ cấu rút dây đai an
toàn.
retread 1 v. to attach a new tread to
a used tyre by vulcanization: Đắp
lại lốp xe
2 n. (informal) a retreaded tyre:
Lốp xe đắp lại
(NOTE: called recap in the USA
and Australia)
retrofit v. to equip a vehicle with new
parts after manufacture: Trang bò

thêm những bộ phận mới trên
xe sau khi mua
rev (short for) revolution: Số vòng
quay, tốc độ động cơ
 rev counter n. (informal)
tachometer: Đồng hồ đo tốc độ
động cơ
reverse 1 v. to drive backwards: Lái
lùi lại, de xe.
(NOTE: US English is to back up)
2 n. (short for) reverse gear (R):
Số lùi
 reverse clutch n. clutch which
couples the components of
planetary gear sets or trains in
such a way that the vehicle can be
driven backwards: Ly hợp số lùi
 reverse-flow scavenging n.
scavenging system for two-stroke
engines in which a cylinder has
two pairs of transfer ports, at the
front and rear respectively, with
two exhaust ports located on
either side of the two pairs of
transfer ports; the incoming
streams of mixture spread out like
a fan, are deflected downward and
expel the spent gases: Sự đổi
chiều của dòng khí quét (2 kỳ)
 reverse (gear) n. very low

gear for driving backwards,
denoted by the letter R on a gear
knob or gear selector: Số lùi R
 reverse inhibitor valve = valve
which prevents the engagement of
the reverse clutch in automatic
transmissions if the vehicle road
speed exceeds 10 km/h: Van cắt
ly hợp số lùi trong hộp sô tự
động khi tốc độ lớn hơn 10km/h.
 reversible (gear) puller n.
puller with two or more reversible
jaws, allowing it to be used for
inside and outside pulling: Cão
nhiều răng
 reversing light n. light at the
rear of a vehicle which comes on
automatically when reverse gear
is engaged and illuminates the
road behind the vehicle: Đèn lùi
retarder

reversing light
PGS. TS. ĐỖ VĂN DŨNG
297
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
(NOTE: US English is back-up
light)
 reversing warning signal =
beeper alarm that sounds when a

commercial vehicle engages
reversegear: Tín hiệu báo lùi xe.
(NOTE: US English is back-up
alarm)
rev limiter n. = ENGINE SPEED
LIMITER: Bộ phận giới hạn tốc
độ động cơ
 revolution counter n. (a)
tachometer, which measures the
engine speed in rpm (b) counter
which counts the total revolutions
of a shaft (as opposed to rpm):
Đồng hồ ghi số vòng quay
 revolutions per minute (rpm)
n. number of times the crankshaft
turns in one minute: Số vòng quay
trong một phút
RFI = RADIO FREQUENCY
INTERFERENCE
 RFI suppressed sparking plugs
= fully shielded and resistor
sparking plugs: Bougie chống gây
nhiễu vô tuyến.
RH = RELATIVE HUMIDITY: Độ
ẩm tương đối.
RIGHT HAND: Ở bên tay phải
 RHD = RIGHT-HAND
DRIVE: Xe tay lái nghòch.
rheostat n. resistor with variable
resistance: Biến trở

rhodium n. a silver-white noble
metal in the platinum family;
atomic number 45, atomic weight
102.905; used in thermocouples
and, together with other platinum
metals, as a catalyst in catalytic
converters: Chất Ri (hóa học)
rib n. (a) structural member for
reinforcing bodywork: thanh gia
cố khung xe
(b) ridge on the sidewall of a tyre
to protect it from damage on
impact with the kerb: Gân, gờ vỏ
xe.
rich a. of an air / fuel mixture that
has more petrol than normal:
Giàu (hỗn hợp hòa khí).
(NOTE: opposite is lean)
 rich mixture = a mixture with
more fuel than can be burned by
the oxygen contained in the air /
fuel charge: Hỗn hợp hòa khí
giàu xăng
(NOTE: opposite is lean mixture)
ride n. degree of comfort, especially
with regard to the suspension,
experienced by the passengers:
Sự rung xóc của xe mà hành
khách cảm nhận.
 ride height n. = GROUND

CLEARANCE: Khoảng sáng
gầm xe.
 rideheight adjuster =
GROUND CLEARANCE
CONTROL
 ride levelling n. =
AUTOMATIC LEVEL
CONTROL (SYSTEM)
ridge n. (a) the cutting edge of a
screw thread (surmounting the
flanks): Đỉnh ren.
(b) (in wheel rims) = HUMP: Cái
gờ , cái bướu của niềng bánh xe.
right-hand drive (RHD) n. steering
system in which the steering
wheel is located on the right-hand
side of the vehicle; used for
driving on the left, as in the UK,
reversing warning signal

right
-
hand drive
PGS. TS. ĐỖ VĂN DŨNG
298
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
Japan, Australia, etc.: Xe tay lái
nghòch.
(NOTE: opposite is left-hand
drive)

 right-hand thread n. thread
which will accept a nut turned
clockwise: Ren thuận, ren phải.
rigid a.inflexible, without any flexural
or elastic characteristic: Cứng,
không mềm dẻo.
 rigid axle = rear axle which
may be either live (in rear-wheel
drive cars) or dead (in front-wheel
drive cars): Trục cứng, cầu bò
động.
RIM = REACTION INJECTION
MOULDING
rim n. (a) the part of a wheel that
connects the wheel disc with the
tyre; its basic purpose is to
provide support to the lower
sidewall: Niềng bánh xe
(b) (bodywork repair) the outer
edge of a dented area that is heat
shrunk towards the centre of the
dent: Viền xung quanh chỗ móp
khi hàn
rim designation n. the nominal rim
diameter, nominal rim width and
any abbreviations and codes for
the contour of the rim: Thông số
niềng bánh xe
 rim diameter n. the distance
between the intersection of the

bead seats and the vertical walls
of the rim flanges: Đường kính
niềng
 rim flange n. the part of a rim
that supports the tyre bead in a
lateral direction; the linear
distance between the two rim
flanges is termed rim width: Mép
vành bánh xe
 rim ridge n. = HUMP: Vòng
gân vành bánh xe
 rim size n. comprises the rim
width and rim diameter and is
measured in inches: Kích cỡ
niềng
 rim type n. depending on the
type of tyre, rim types differ
according to the rim profile and
the number of rim parts: Kiểu,
loại niềng
rim width n. the nominal distance
between the rim flanges: Bề
ngang vành bánh xe
 ring belt n. the lands and rings
of a piston: Vùng đầu piston
 ring expander n. = PISTON
RING PLIERS: Kìm tháo xéc-
măng
 ring gap n. the gap between
the piston ring ends with the

piston installed in the bore: Khe
hở miệng xéc-măng
 ring gear n. (a) = ANNULUS
GEAR (b) = CROWN WHEEL
(c) toothed rim of a flywheel
which engages the pinion of the
starter motor: Vòng răng bánh đà
 ring spanner n. spanner
whose head fits completely round
a nut: Chìa khóa vòng.
rivet n. short metal pin with a head at
one end, for joining two or more
pteces together; a second head is
formed at the other end by
hammering it flat, to secure the
connection: Đinh tán
 rivet gun or riveter = tool
with pliers-like handles and nose
right
-
hand thread

rivet gun

PGS. TS. ĐỖ VĂN DŨNG
299
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
oiece to insert rivets; used, for
example, in body repair work to
rivet sheet metal material

together: Súng bắn đinh tán
road-draft tube n. US = OIL
BREATHER PIPE: Ống thông
hơi dầu.
 road fund licence n. licence
showing that road tax has been
paid: Giấy đóng lệ phí cầu
đường.
 road hog n. (informal) a
selfish, often aggressive driver:
Người lái xe bạt mạng
 road speed n. vehicle speed
along a road, measured in mph or
km/h: Tốc độ xe đường trường.
roadster n. open two-seater with a
folding top made of unlined
canvas: Loại xe mui trần, hai
chỗ ngồi.
road tax n. annual tax paid in order
to use a vehicle on the roads:
Thuế cầu đường.
 road test n. (a) a test to check
that a car is roadworthy after
repair: Kiểm tra xe bằng cách
chạy thử trên đường sau khi sửa
chữa
(b) a test of a car (e. g. a new
model) in actual use; for example,
by a magazine for comparison
with other models: Thử xe mới để

kiểm tra tính năng sử dụng.
 road-test v. to give a vehicle a
road test: Kiểm tra xe trên
đường trường
 road train n. several linked
trailers pulled by a large truck;
common in Australia for
transporting stock: xe đầu kéo
nhiều rơ mooc.
 roadworthiness n. being fit to
be driven on the roads: Sự thích
hợp để chạy trên một đường
trường (của một chiếc xe)
robot spraying n. application of paint
by robots: Người máy phun sơn
rocker (arm) n. lever which rotates
around a shaft pushing down
(opening) the valve with one end
while the other end is pushed up
by the pushrod; the valve is closed
again by spring pressure: Cần
đẩy, cò mổ (sú páp)
 rocker arm shaft = shaft on
which the rocker arm pivots: Trục
cần đẩy (cò mổ)
 rocker box or rocker cover n.
cylinder head cover above the
valve train: Nắp dàn cò xúpáp.
(NOTE: US English is valve
cover)

 rocker cover gasket = gasket
between the cylinder head and the
rocker cover; usually either a flat
paper or cork gasket or an O-ring:
Đệm kín nắp dàn cò xúpáp.
 rocker panel n. = SILL:
Ngưỡng cửa.
 rocker shaft n. the outgoing
shaft of the steering gearbox, to
which the drop arm is connected:
Trục rẽ quạt
(NOTE: US English is cross-
shaft)
roll (angle) n. angular displacement
of a vehicle about its longitudinal
axis, i. e. tendency of a vehicle to
heel over when cornering or in
road
-
draft

roll (angle)
PGS. TS. ĐỖ VĂN DŨNG
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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
high cross winds: Góc lăn, góc
quay (xe)
 roll axis n. axis through the
front and rear roll centres: Trục
lăn

 roll bar n. strong, tubular bar
which reinforces the roof of a car,
especially one used for occupants
if the car should overturn: Thanh
lăn
 roll centre n. the theoretical
point between the front wheels or
back wheels about which the car
body rolls when cornering; any
centrifugal force causes the body
to rotate about the roll centre: tâm
quay
roller n. non-spherical rolling element
in a roller bearing: Con lăn, bi
đũa
 roller bearing = antifriction
bearing with non-spherical rolling
elements: Ổ bi đũa.
 roller cage = cage containing
the rollers in a roller bearing: rế
bi đũa.
Roller n. (informal) = ROLLS-
ROYCE: Hiệu xe Rolls- Royce.
roller cell pump n. = ROLLER-
VANE PUMP: Bơm cánh con lăn
 roller chain n. power-
transmitting chain in which each
link consists of two free-moving
rollers located by pins connected
to sideplates: Dây xích con lăn.

 roller dynamometer n.
dynamometer attached to a rolling
road: Băng thử công suất dạng
con lăn.
 roller tappet n. connecting link
between the lower end of a
pushrod and the camshaft,
equipped with one roller to roduce
the friction between the pushrod
or tappet and the cam during
engine operation: Con đội lăn
giữa đũa sú páp và trục cam.
 roller-vane pump n. rotary
vane pump with rollers as
pumping elements which slide
against the pump body when the
rotor rotates: Bơm cánh con lăn
rolling bearing n. = ANTI-FRICTION
BEARING
 rolling circumference n. the
circumference of a loaded tyre:
Vết lăn của bánh xe khi có tải
 rolling friction n. frictional
resistance to rotation in rolling
bearings: Ma sát lăn
 rolling radius n. radius of a
loaded tyre from its axis to the
centre of the contactpatch: Bán
kính lăn
 rolling resistance n. resistance

to motion offered by tyres on a
flat road surface, attributable
mainly to rolling and mechanical
friction and dependant on tyre
design, pressure and load; over
50mph, air resistance becomes
more important: Lực cản lăn
 rolling road n. rollers set in the
floor of a garage, turning or
inspection centre and designed to
simulate road conditions; the
rollers can be driven by the
driving wheels of a car and
connected to a dynamometer for
testing the power output of an
engine or may be independently
powered, e. g. to test the brakes:
roll axis

rolling road
PGS. TS. ĐỖ VĂN DŨNG
301
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
Con lăn trong băng thử công
suất, thử phanh.
roll oversteer n. oversteer caused by
roll when cornering: Quay vòng
thừa do lăn (xoay)
(NOTE: opposite is roll understeer)
roll resistance or roll stiffness n.

(chassis) resistance of a vehicle
body to rolling, which depends on
the stiffness of the suspension
springs and anti-roll bar: Khả
năng chống lật.
roll test n. serves to test-drive train
functions; may include separate
tests for front and rear axle, left-
and right-hand sides, noise test;
typical duration is two minutes:
Kiểm tra sự lăn
roll understeer n. understeer caused
by roll when cornering: Quay
vòng thiếu do lăn
(NOTE: opposite is roll
oversteer)
RON = RESEARCH OCTANE
NUMBER
roo bar (Australian for) NERF BAR:
Thanh đỡ va (thanh cản trước)
roof box n. enclosed, multi-purpose
roof carrier: Mui xe đa năng.
 roof brace n. transverse rail
that supports the roof panel; there
are usually several roof braces:
Trụ chống mui xe.
 roof panel n. the horizontal
outer layer of the sheet metal roof
panels that is spot-welded along
its edges to the top of the roof,

door and screen pillars: Mui xe
 roof rack n. luggage rack on
the roof of a vehicle: Khung để
chở hành lý gắn trên nóc xe
 roof rail n. longitudinal side
member above the doors to which
the roof panel is attached: Thanh
đỡ mui xe.
(NOTE: also called cantrail)
room temperature vulcanizing
(RTV) sealer n. semi-liquid,
silicone rubber sealant which is
proof against oil and water but not
petrol: roong lỏng
root n. lowest point of a screw
thread: Chân ren
(NOTE: opposite is crest)
Roots compressor or supercharger
n. typical lobe-type positive
displacement compressor; uses
two two-lobed or three-lobed
internal rotors phased to prevent
clashing of the lobes by gears;
normally driven from the
crankshaft by toothed or V-belts,
can achieve speeds up to 10,000
rpm; provides low-end torque and
boost without lag but is less fuel-
efficient than a turbocharger:
Bơm tăng nạp, bơm Root

rotary disc valve n. valve employed
as an inlet control in modern two-
stroke engines, consisting of a thin
steel disc attached to one end of
the crankshaft: Van đóa quay (2
kỳ)
rotary (piston) engine n. an engine
which uses no reciprocating
pistons; instead, triangular rotors
revolve in specially shaped
housings; the Wankel engine is
the only type of rotary engine at
present in production: Động cơ có
piston quay tròn, động cơ
Wankel
roll oversteer

rotary (piston) engine
PGS. TS. ĐỖ VĂN DŨNG
302
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
 rotary pump n. pump with
rotating members: Bơm quay
tròn
 rotary valve n. engine or pump
component forming part of a
rotating assembly; may be
designed as a cylindrical or a disc
valve: Van quay
 rotary vane pump n. = VANE

PUMP: Bơm cánh quạt
rotation n. motion of a body about an
axis within the body: Sự xoay
vòng quanh trục
roto cap n. device fitted to some
engines which turns a valve
slightly every time it opens or
closes, to prevent the valve
sticking or burning: Cơ cấu xoay
sú páp (NOTE: also called valve
rotator)
Rotoflex coupling n. one design of a
flexible coupling in the shape of a
hexagonal rubber ring: Khớp nối
Rotoflex.
rotor n. (a) any component which
rotates: Bộ phận quay
(b) rotating part of an electrical
machine, such as the armature of
a starter motor: Phần quay của
máy điện, rotor
(c) rotating part of the distributor,
which distributes the high voltage
to the individual sparking plugs; in
older systems an oblong shape, in
breakerless distributor system
usually a disc: Con quay, mỏ
quẹt (trong delco)
(d) in an alternator, the rotating
pole pieces with the electro-

magnetic winding, which create a
rotating magnetic field whose
lines of force cut the stationary
conductors in the stator; usually of
claw-pole design: Phần quay của
máy phát, rotor
(e) rotating displacement element
of a rotary pump, such as a gear,
screw, piston, etc.: Chi tiết quay
của bơm quay
(f) moving part of a pulse
generator: Phần quay của cảm
biến điện từ
(NOTE: opposite is stator)
(g) rotating element of a Roots
supercharger: Phần quay của
bơm tăng áp kiểu Root
 rotor arm n. = ROTOR
 rotor-type pump n. engine oil
pump in which an internal rotor, e.
g. with four external lobes, is used
to drive an eccentric external
gear, e. g. with five internal
lobespaces; operates in a similar
way to gear pumps, but has higher
pump capacity, and is quieter and
more expensive: Bơm rôto
rotowelding n. = FRICTION
WELDING
rotten-egg smell n. in cars equipped

with catalytic converters, this
smell is the result of an
excessively rich air / fuel mixture:
Mùi trứng thối sinh ra từ bộ xúc
tác khi hỗn hợp hòa khí quá giàu
roughening n. mechanical or chemical
treatment of a surface to produce
minute irregularities: Sự làm
nhám bề mặt.
rough a. if an engine sounds rough it
is running unevenly, probably
caused by misfiring or worn
rotary pump

rough

PGS. TS. ĐỖ VĂN DŨNG
303
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
crankshaft bearings: Nổ không
đều
roundabout n. road junction where the
traffic goes round a raised central
circle: Bùng binh.
(NOTE: US English is traffic
circle)
round file n. file in the shape of a
round bar, rather than a blade:
Giũa tròn
 round head bolt n. general

term including cup head bolts and
mushroom head bolts: Bu - lông
đầu tròn
 round hump n. safety contour
on both rim bead seats preventing
the tyre from sliding into the rim
well: Cái bướu tròn trên niềng
xe.
route 1 n. direction taken (by a
cable, etc.): Đường đi, lộ trình.
2 v. to lay (something) in a certain
direction: Theo tuyến đường.
rpm (short for) revolutions per minute;
engine speed as measured by
crankshaft revolutions per minute:
Tốc độ vòng của động cơ
 rpm sensor = ENGINE SPEED
SENSOR: Cảm biến tốc độ động
cơ
RRIM = REINFORCED REACTION
INJECTION MOULDING
r / seat (short for) rear seat: ghế sau
RTV = ROOM TEMPERATURE
VULCANIZING: Keo làm roong
lỏng đông lại ở nhiệt độ trong
phòng
rubber n. (a) a natural elastomer that
at room temperature returns
rapidly to approximately its initial
dimension and shape after

substantial deformation by a weak
stress and subsequent release of
the stress: Cao su
(b) US (informal) tyres: Lốp xe.
 rubber bush = tubular rubber
sleeve for mounting a shaft or rod:
Ống cao su để gắn trục
 rubber coupling = flexible
coupling using pressurized rubber
blocks: Khớp nối cao su
 rubber doughnut coupling =
typical flexible coupling, made of
vulcanized rubber, shaped like a
doughnut: Khớp nối cao su giảm
chấn.
 rubberize v. to coat or
impregnate with rubber: Nhúng
vào cao su, trộn chung với cao su
và đúc
 rubber mallet n. mallet with a
rubber head: Cái búa gỗ đầu
nhựa.
 rubber spring n. element of a
rubber suspension system such as
Hydrolastic suspension: Lò xo cao
su
rubbing block n. (ignition) small
block of insulating material on the
contact breaker lever: Khối cao
su trên vít lửa (gối cam).

 rubbing compound n. =
CUTTING COMPOUND
 rubbing strip n. strip of plastic
at the widest point of the body,
along doors and wings down each
side of the car to protect the
bodywork from minor knocks, (as
from the open door of a
neighbouring car): Dải băng dọc
thân xe chống cọ xát.
roundabout

rubbing strip
PGS. TS. ĐỖ VĂN DŨNG
304
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
Rudge nut n. quick-release nut for
central-locking wheels: Đai ốc
Rudge
rumble n. characteristic, low-pitched
noise made by worn main
bearings: Tiếng kêu đặc trưng do
bạc lót trục khuỷu mòn gây ra
 rumble seat n. US = DICKEY
SEAT: Ghế phụ đằng sau ở xe
hai chỗ.
run 1 n. (paint fault) the trail of a
paint drip; a dribble of paint: Sự
chảy xuống của lớp sơn
2 v. (of paint) to form a run:

Chảy thành vệt.
runabout n. (a) an open 2-seater,
predecessor of the roadster: (b)
small car, especially one for use in
town: Ô tô nhỏ
run channel n. U-section rubber used
to hold glass parts and other body
features in place or to protect
panel edges: Roong kính.
run-flat properties n. the capability
of a deflated tyre to operate
effectively, i. e. to permit further
driving: Khả năng chạy tiếp khi
xì vỏ
run-flat tyre n. tyre which can run
for a certain length of time
without air in it: Vỏ xe chạy được
khi xẹp
run in v. to operate new or
reconditioned machinery
(especially bearings) under light
load and at limited speed to avoid
excessive friction and heat which
would cause uneven bedding in of
the component: Chạy rà, chạy ro
đai
(NOTE: nowadays, new engines
do not need to be run in. note that
US English is to break in)
running board n. foot rest below the

doors of a car; common on early
motor vehicles, now only seen on
VW Beetles, pick-ups and some
limousines: Bậc lên xuống xe
 running gear n. the moving
components which link the lower
part of the vehicle to the wheels, i.
e. suspension, including control
arms, springs, shock absorbers,
steering components, etc.: Các bộ
phận nối phần dưới khung xe với
bánh xe
running-in n. driving a vehicle or
running an engine or enter
mechanical unit at reduced speed
and load when new, to prevent
pick-up and seizure of the bearing
surfaces, and to ensure even
initial wear: Chạy rà
 running-on n. condition of a
SI engine in which fuel continues
to burn after the ignition has been
turned off, causing the engine to
run on (for a few seconds): Máy
vẫn nổ sau khi tắt công tắc máy
(động cơ xăng)
(NOTE: also called dieselling)
 running-on control valve =
IDLE STOP VALVE: Van khóa
cầm chừng

 run on v. (of an engine) to
continue to run after the ignition
has been switched off: máy vẫn
nổ sau khi tắt công tắc máy
run-on tyre n. tyre with a limited
ability to run without air in it;
Rudge nut

run
-
on tyre
PGS. TS. ĐỖ VĂN DŨNG
305
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
sufficient to pull over safely: Lốp
xe chạy được khi xẹp
run out n. extent to which a part is
running out-of-true: Sự chạy lệch
tâm, sự đảo, sự mòn lệch.
rupture v. to break, burst or split:
Làm gãy, vỡ, nứt
rust 1 n. oxidized iron or steel, the
product of corrosion: Gỉ
2 v. to form rust: Hình thành gỉ
 rust eater n. = RUST
KILLER: Chất phá gỉ.
 rusting n. chemical or
electrochemical destruction of
iron and ferrous metals: Sự gỉ
(sắt)

 rust inhibitor n. inhibitor
which reduces or prevents the
formation of rust on iron and
ferrous metals: Chất chống gỉ
 rust inspection n. car
inspection conducted to detect rust
and corrosion damage, usually by
means of an endoscope: Sự kiểm
tra gỉ sét.
 rust killer n. substances which,
according to their manufacturers,
convert rust into a dry mass which
can be removed with water: Chất
làm sạch gỉ.
 rustproof 1 a. resistant to
rust: Không gỉ
2 v. to make resistant to rust: Xử
lý để chống gỉ
 rustproofing n. making
resistant to rust: Làm chống gỉ
 rustproofing agent = anti-
corrosion, wax-based sealant:
Chất chống gỉ
 rust protection n. reducing
the possibility of rust forming on
iron and steel by coating with
protective materials or by
rendering them passive: Sự bảo
vệ khỏi gỉ
 rust remover n. any chemical

substance which removes rust:
Chất tẩy gỉ
 rust sealer n. rust converter
that provides a coat on metal
surfaces to protect them against
air exposure and thus to prevent
continued corrosion: Chất trám
chống rỉ.
RV US = RECREATIONAL
VEHICLE
RWD = REAR-WHEEL DRIVE: Cầu
sau chủ động
Rzeppa-type (universal) joint n.
constant velocity joint
incorporating balls as a means of
torque transmission; (named after
Alfred Rzeppa, a Ford engineer):
Khớp nối loại Rzeppa

run out

Rzeppa
-
type (universal) joint