Chuyên đề về động cơ đốt trong piston chuyển động tự do

HCMC UNIVERSITY OF TECHNOLOGY AND EDUCATION
FACULTY OF VEHICLE AND ENERY ENGINEERING

FREE PISTON ENGINE

Students: LE PHUC THINH
NGUYEN HUU KHIEM
Lecturer: Ph.D. NGUYEN VAN TRANG


ABSTRACT
Three challenges for future life

1

Environmental pollution

2

Exhaustion of fossil fuels

3

Improving of efficiency


HCMC UNIVERSITY OF TECHNOLOGY AND EDUCATION
FACULTY OF VEHICLE AND ENERY ENGINEERING

FREE PISTON ENGINE

OBJECTIVES

Free Piston
Engine

Understanding about FPE:
component, categories,
operation, applications base on
the scientific research...

Advantages and
disadvantages of FPE...

Researching, development,
design and how to be
commercial this engine ...


CONTENTS
Recent Commercial FPE Developments
 Free Piston Engine
 Free Piston Engine Generator



Recent Commercial FPE Developments

01

GENERAL MOTOR

02

TOYOTA

04

FORD

03

VOLVO

05

HONDA


GENERAL MOTOR

Opposed piston type free piston engine generator


GENERAL MOTOR

Operation of the electrical flywheel system


TOYOTA

Free piston engine generator of Toyota


TOYOTA

Twin single piston system with back to back configuration


TOYOTA

Specially designed piston


VOLVO

Dual piston type free piston engine generator


HCMC UNIVERSITY OF TECHNOLOGY AND EDUCATION
FACULTY OF VEHICLE AND ENERY ENGINEERING

FREE PISTON ENGINE


FREE PISTON ENGINE
SINGLE PISTON

DUAL PISTON

CATEGORIES

OPPOSED PISTON

GAS GENERATORS


SINGLE PISTON

Single piston type free piston engine


DUAL PISTON

Dual piston type free piston engine generator


OPPOSED PISTON

Opposed piston type FPE with piston synchronisation mechanism


GAS GENERATORS

Illustration of a free-piston gas generator


APPLICATIONS
Free piston air compressors
 Free piston gas generators

 Hydraulic free piston engine



Free Piston Air Compressor


Free piston gas generator


Hydraulic Free Piston Engine


ADVANTAGES
 Higher

efficiency

 Possible
 Simple

multi-fuel operation

and compact design.

 Decreasing
 Reducing
 Requires

friction and mass engine

manufacturer and emissions

less maintenance and increases lifetime


DISADVANTAGES
Requires

accurate control of engine speed.
Misfiring.
Requires accurate piston motion.


HCMC UNIVERSITY OF TECHNOLOGY AND EDUCATION
FACULTY OF VEHICLE AND ENERY ENGINEERING

FREE PISTON ENGINE GENERATORS