Solenoid-valve-controlled fuel injection device

Details Solenoid-valve-controlled fuel injection device Solenoid-valve-controlled fuel injection device

1988-03-30

1988-12-06

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

With fuel pump

123503, 123494, 123357, 123458, F02M 3900

Patent

active

047889608

ABSTRACT:
A fuel injection device for an internal combustion engine has a fuel pressurization chamber and a fuel chamber which are coupled to each other by a solenoid valve. The timing of fuel injection and the amount of fuel to be injected are controlled by selectively opening and closing the solenoid valve. Valve opening delay times of the solenoid valve are measured, and averaged when the rotational speed of the engine is in a prescribed speed range. The mean value of the valve opening delay times is used as a valve opening delay time for increasing or reducing the duration of a drive pulse for opening and closing the solenoid valve.

REFERENCES:
patent: 4395987 (1983-08-01), Kobayashi et al.
patent: 4495915 (1985-01-01), Shinoda
patent: 4505240 (1985-03-01), Shinoda
patent: 4597369 (1986-07-01), Yasohara
patent: 4603669 (1986-08-01), Takemoto
patent: 4610233 (1986-09-01), Kushida
patent: 4653447 (1987-03-01), Linder
patent: 4667633 (1987-05-01), Stumpp
patent: 4706629 (1987-11-01), Wineland
patent: 4714068 (1987-12-01), Nagase
patent: 4718391 (1988-01-01), Rembold

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