Fuel injection controller of engine

Details Fuel injection controller of engine Fuel injection controller of engine

2006-10-10

2006-10-10

Wolfe, Jr., Willis R. (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S493000, C123S1980DB

Reexamination Certificate

active

07117853

ABSTRACT:
An electronic control unit compulsorily stops supply of a fuel injection quantity, which is calculated based on various parameters including a throttle opening degree, performed by an injector in accordance with a crank angle signal if a series of operations, of rapidly opening a throttle valve from a certain throttle opening degree and then rapidly closing the throttle valve, occurs within a predetermined time in one combustion cycle of an internal combustion engine after completion of stroke determination. The electronic control unit removes the compulsory stoppage of the supply of the fuel injection quantity if drawing of an air intake quantity overlaps with at least one-third of an intake stroke in one combustion cycle of the engine.

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patent: 5020748 (1991-06-01), Okajima
patent: 5081975 (1992-01-01), Maebashi
patent: 6526946 (2003-03-01), Kanno
patent: 2005/0172933 (2005-08-01), Takeuchi et al.
patent: 2005/0229907 (2005-10-01), Watanabe et al.
patent: 55049543 (1980-04-01), None
patent: 60169648 (1985-09-01), None
patent: 04-081537 (1992-03-01), None

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