Fuel injection device for internal combustion engines

Details Fuel injection device for internal combustion engines Fuel injection device for internal combustion engines

1994-11-14

1996-03-12

Miller, Carl S.

Internal-combustion engines

Charge forming device

Fuel injection system

123467, F02M 700, F02M 4100

Patent

active

054977509

ABSTRACT:
A fuel injection device for internal combustion engines having a high pressure accumulation chamber, which can be filled by a high pressure fuel pump, from which chamber high pressure lines lead to the individual injection valves. Control valves for controlling the high pressure injection at the injection valves are formed in the individual high pressure lines. Additional pressure storage chambers are inserted in the individual high pressure lines as well, between these control valves and the high pressure accumulation chamber. In order to prevent the high system pressure from continually contacting the injection valves, the control valve is embodied so that during the injection pauses, it closes the communication between the injection valve and the pressure storage chamber and opens a communication between the injection valve and a relief chamber.

REFERENCES:
patent: Re33270 (1990-07-01), Beck
patent: 4069800 (1978-01-01), Kanda
patent: 4485787 (1984-12-01), Kato
patent: 4601269 (1986-07-01), Kato
patent: 4712528 (1987-12-01), Schaffitz
patent: 4798186 (1989-01-01), Ganser
patent: 4838231 (1989-06-01), Ganser
patent: 5176120 (1993-01-01), Takahashi
patent: 5191867 (1993-03-01), Glassey

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