Fuel injection system

Details Fuel injection system Fuel injection system

1984-12-31

1986-08-19

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123514, 123453, F02M 3900

Patent

active

046063170

ABSTRACT:
A fuel injection system is proposed which serves to supply fuel to an internal combustion engine. The fuel injection system includes a metering and quantity distributing valve connected with regulating valves, which can be acted upon by the fuel pressure in a differential pressure control line. Communicating with a fuel supply line are a pressure limiting valve and a switch member, the latter having a switch diaphragm which is displaceable into a return flow chamber by the fuel pressure counter to a switch spring and a closing spring. Upon this displacement, via a tappet, a spring plate resting on the switch diaphragm opens a sealing valve, which rests at the mouth of an outflow line, which via a control throttle leads to the differential pressure control line. The pressure limiting valve is located upstream of the sealing valve. The return flow chamber is arranged to communicate with the fuel container via a return flow line.

REFERENCES:
patent: 4341192 (1982-07-01), Knapp
patent: 4346687 (1982-08-01), Pauder
patent: 4359990 (1982-11-01), Kromer
patent: 4381751 (1983-05-01), Maisch
patent: 4530329 (1985-07-01), Maisch

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