Injector driver and drive method for the same

Details Injector driver and drive method for the same Injector driver and drive method for the same

2008-05-27

2008-05-27

Vo, Hieu T (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S478000

Reexamination Certificate

active

11778864

ABSTRACT:
An injector driver and a drive method therefor wherein a reference current signal is generated that is synchronized to an injector valve signal for causing the injector to inject and that has a current increasing tendency substantially equivalent to an injector current waveform for the case in which a low voltage is applied to the injector, a current that flows in the injector is detected as a detected current signal, and the electrical powering of the injector is controlled by comparing the reference current signal with the detected current signal.

REFERENCES:
patent: 4173030 (1979-10-01), Rabe
patent: 4753207 (1988-06-01), Wright
patent: 5400757 (1995-03-01), Ishibashi et al.
patent: 5740783 (1998-04-01), Learman et al.
patent: 11-351039 (1999-12-01), None
patent: 2001-41085 (2001-02-01), None
patent: 2003-13783 (2003-01-01), None
patent: 2005-259764 (2005-09-01), None

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