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FEV-mandy

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The merits of the common rail fuel injection system architecture have been recognized since the
development of the diesel engine.Lower fuel pump peak torque requirements. As high speed direct
injection (HSDI) engines developed, more of the energy to mix the air with fuel came from the fuel spray
momentum as opposed to the swirl mechanisms employed in older, IDI combustion systems. Only high
pressure fuel injection systems were able to provide the mixing energy and good spray preparation
needed for low PM and HC emissions. To generate the energy required to inject the fuel in approximately
1 millisecond, the conventional distributor pump would have to provide nearly 1 kW of hydraulic power in
four 1 ms bursts per pump revolution, thus placing considerable strain on the drive shaft. One of the
reasons behind the trend toward common rail systems was to minimize the maximum pump torque
requirement. While the power and average torque requirements of the common rail pump were similar,
high pressure fuel delivery is to an accumulator and thus the peak flow rate (and peak torque required to
drive the pump) does not have to coincide with the injection event as is the case with the distributor pump.
Pump discharge flow can be spread out over a longer portion of the engine cycle to keep pump torque
demand more even.

our commpany as the old exhibitor of Automechanika Frankfurt .We still choose the old Position Booth
4.2A12 to meet with new and old customers. We are especially grateful to the Automechanika Frankfurt

for providing such a good platform for us. Through these exhibitions, our company has demonstrated our
comprehensive strength. We get in touch with and meet some new friends, At the same time, let our
partners know more and trust us.
As a professional manufacturer of diesel engine injection systems. Our main products are common rail
system pump parts and traditional injection pump parts. It includes common rail injector,common rail
nozzle, type control valves, type Orifice Plate, Delphi type Control Valves, Acturtor for Volvo,Cat type
injector C7,C9,Solenoid Valve for C7C9 and so on .Ve type diesel injection pump parts , Ve Distributor
Head Rotor,Feed Pump,Cam Disk,Drive Shaft ,Solenoid Valve, Gasket Kits, Liner, Cross Disk,
Roller ,Diesel Plunger (A,AD, P, PS7100,P8500,MW,EP9 type),Injector Nozzle (Dn, DN0PDN ,S , SN, P,
PN type),Pencil Nozzle, Diesel Injector and so on .