Controlling apparatus for throttle valve and for driving in inte

Details Controlling apparatus for throttle valve and for driving in inte Controlling apparatus for throttle valve and for driving in inte

1998-03-02

1999-10-12

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Idle speed control

123361, F02D 910, F02D 1110

Patent

active

059642025

ABSTRACT:
It is an object of the present invention to provide a controlling apparatus for throttle valve that detects a throttle open degree enabling more appropriate controls by removing ill effects of multiplexing an idle control in controlling data. The idle control amount is canceled by subtracting the idle target open degree from the detected throttle open degree. Further, in order to correct differences of the detected data due to a response delay of the throttle valve, the previous measured value is regarded as the detected throttle open degree when the response delay occurs.

REFERENCES:
patent: 4462355 (1984-07-01), Ozaki et al.
patent: 4481923 (1984-11-01), Ozaki
patent: 5546903 (1996-08-01), Satou et al.
patent: 5630394 (1997-05-01), Grizzle et al.

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