Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1983-10-19
1985-07-23
Miller, Carl Stuart
Internal-combustion engines
Charge forming device
Fuel injection system
123458, 123516, 123446, F02M 6900, F02D 302
Patent
active
045303290
ABSTRACT:
A fuel injection system which serves to supply fuel to an internal combustion engine. The fuel injection system includes a metering and quantity distribution valve with regulating valves connected at the output side, which valves can be influenced by the fuel pressure in a differential pressure control line. Communicating with a fuel supply line is a fuel reservoir, which has a flexible diaphragm which is displaceable by the fuel pressure counter to a reservoir spring in a spring chamber. Shortly before the end of the movement of the flexible diaphragm into the spring chamber, a spring plate resting on the flexible diaphragm opens a sealing valve via a stem. The sealing valve rests on the mouth of an outflow line, which leads via a control throttle to the differential pressure control line. A pressure maintenance valve is likewise disposed upstream of the sealing valve, and a line from a pressure limitation valve and a leakage line from the metering and quantity distribution valve discharge between the pressure maintenance valve and the sealing valve. The spring chamber of the fuel reservoir communicates via a return flow line with the fuel container.
REFERENCES:
patent: 3946714 (1976-03-01), Eckert
patent: 4161934 (1979-07-01), Stompp
patent: 4161964 (1979-07-01), Greiner
patent: 4227502 (1980-10-01), Steinwart
patent: 4346687 (1982-08-01), Bauder
patent: 4353385 (1982-10-01), Maisch et al.
patent: 4373490 (1983-02-01), Kinata
patent: 4391252 (1983-07-01), Juggle
Maisch Wolfgang
Nusser Hermann
Peters Klaus-Jurgen
Strohl Willi
Greigg Edwin E.
Miller Carl Stuart
Robert & Bosch GmbH
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