Fuel injection apparatus for internal combustion engines

Details Fuel injection apparatus for internal combustion engines Fuel injection apparatus for internal combustion engines

1996-09-25

1998-02-10

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

Fuel injection system

F02M 3704, F02M 4100

Patent

active

057157952

ABSTRACT:
A fuel injection apparatus for internal combustion engines, having a fuel injection pump inserted into the housing of the engine. A pump piston, which is driven axially back and forth in a cylinder bore, with one end face defines a pump work chamber from which a short injection line leads to an injection valve, and which can be made to communicate via a feed line with a fuel-filled low-pressure chamber. A magnetic valve disposed on the fuel injection pump controls the high-pressure feeding into the injection line. In order to avert an overly rapid return flow of fluid from the injection line into the pump work chamber, a return flow throttle valve is inserted into the injection line.

REFERENCES:
patent: 4467767 (1984-08-01), Kampichler et al.
patent: 4628957 (1986-12-01), Hofer et al.
patent: 4648369 (1987-03-01), Wannewetsch
patent: 5033506 (1991-07-01), Boginger et al.
patent: 5390692 (1995-02-01), Jones et al.

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