Method and apparatus for stabilizing the through flow of electro

Details Method and apparatus for stabilizing the through flow of electro Method and apparatus for stabilizing the through flow of electro

1976-10-28

1978-05-30

Gruber, Felix D.

Boots, shoes, and leggings

123 32EF, 361198, 364569, F02B 300

Patent

active

040927172

ABSTRACT:
In order to stabilize the open time of an electromagnetic fuel injector against variation of vehicle battery voltage, first and second threshold values of solenoid current for opening and closing of the injector are predetermined experimentally, the duration of the injection control signal being determined from the time the first current threshold is reached. The battery voltage dependent delay between the end of the injection control signal and the reaching of the second current threshold as the solenoid current decays is subtracted from the duration of the injector opening control signal for the subsequent injection cycle.

REFERENCES:
patent: 3744460 (1973-07-01), Monpetit
patent: 3834362 (1974-10-01), Takeshita et al.
patent: 3854458 (1974-12-01), Reddy
patent: 3982505 (1976-09-01), Rivere
patent: 3987764 (1976-10-01), Scofield
patent: 4015563 (1977-04-01), Drews et al.

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