Fuel cutoff apparatus for fuel injection pump for diesel engine

Details Fuel cutoff apparatus for fuel injection pump for diesel engine Fuel cutoff apparatus for fuel injection pump for diesel engine

1982-05-21

1986-07-01

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123198DB, 123501, F02M 3900

Patent

active

045973695

ABSTRACT:
A fuel cut-off valve in the fuel injection pump of an internal combustion engine is provided with a device for facilitating the opening of the valve against pressure forces normally biasing the valve closed. A pair of solenoids may be provided, with both being used to open the valve and only one to hold the valve open. Alternately, a single solenoid may be supplied with a large quantity of power to open the valve, and considerably small power to hold the valve open. In a second alternative, an auxiliary passageway is formed in the valve, and a pressure relief valve normally blocking the auxiliary passageway can be opened to alleviate the pressure on the first valve.

REFERENCES:
patent: 2970246 (1961-01-01), Gunkel
patent: 3814376 (1974-06-01), Reinicke
patent: 4059369 (1977-11-01), Eheim
patent: 4065096 (1977-12-01), Frantz
patent: 4073277 (1978-02-01), Eheim
patent: 4173031 (1979-10-01), Leichle
patent: 4192279 (1980-03-01), Maisch
patent: 4402290 (1983-09-01), Hofer
patent: 4426969 (1984-01-01), Eheim
patent: 4452196 (1984-06-01), Indra

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