Fuel injector system

Details Fuel injector system Fuel injector system

1997-02-03

1997-12-16

Miller, Carl S.

Internal-combustion engines

Charge forming device

Fuel injection system

123456, F02M 3704

Patent

active

056973438

ABSTRACT:
A fuel injector system permits easier control for turning ON/OFF a spill control solenoid valve of a high pressure supply pump. The cam has a greater number of rising slopes for pressurizing the fuel by the plunger than the number of the fuel injection for each rotation of the engine. An electronic control unit controls the closing timing of the spill solenoid valve so that the period of synchronous delivery which is synchronized with the fuel injection is longer than the period of asynchronous delivery which is not synchronized with the fuel injection. Further, the unit adjusts the closing timing of the spill solenoid valve according to engine load.

REFERENCES:
patent: 4777921 (1988-10-01), Miyaki et al.
patent: 5058553 (1991-10-01), Kondo
patent: 5094216 (1992-03-01), Miyaki et al.
patent: 5186138 (1993-02-01), Hashimoto
patent: 5197438 (1993-03-01), Yamamoto
patent: 5313924 (1994-05-01), Regufiro
patent: 5404855 (1995-04-01), Yen
patent: 5441027 (1995-08-01), Buchanon

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