Fuel injection system

Details Fuel injection system Fuel injection system

1987-05-01

1988-10-18

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123506, 123458, 123494, F02M 3900

Patent

active

047779217

ABSTRACT:
A fuel injection system for a diesel engine has fuel pump driven by the engine for producing highly pressurized fuel, a common rail for storing the pressurized fuel therein and injection nozzles for injecting the pressurized fuel stored in the common rail into the engine. The injection nozzles are electrically controlled in accordance with engine operating conditions (N, .alpha.) by the use of injection control solenoid valves provided between the injection nozzles and the common rail. The fuel pump is electrically controlled in accordance with the engine operating conditions by the use of a spill control solenoid valve which spills the pressurized fuel to a low pressure fuel channel so that loss of engine torque required by the pump is reduced.

REFERENCES:
patent: 4404846 (1983-09-01), Yamauchi
patent: 4545352 (1985-10-01), Jourde et al.
patent: 4546749 (1985-10-01), Ibashira
patent: 4566417 (1986-01-01), Suzuki et al.
patent: 4583510 (1986-04-01), Schechter
patent: 4586656 (1986-05-01), Wich
patent: 4642773 (1987-02-01), Miyaki

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