Electronic throttle control apparatus

Details Electronic throttle control apparatus Electronic throttle control apparatus

2008-10-27

2009-12-29

Kwon, John T (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S399000, C123S350000, C123S361000

Reexamination Certificate

active

07640093

ABSTRACT:
In order to obtain an electronic throttle control apparatus capable of forcibly turning a throttle valve from a full-close position toward an opening side by a predetermined opening degree to place the throttle valve in a desired opening degree position, the electronic throttle control apparatus includes: a throttle opening degree sensor for detecting an opening degree position of a throttle valve; a throttle actuator that opens and closes the throttle valve; a first target opening degree position setting unit for setting a first target opening degree position; throttle opening degree feedback control unit that performs feedback control on the throttle valve; a throttle valve full-close position judgment unit for judging whether or not the throttle valve is being urged in a direction to be closed at a full-close position; a second target opening degree position setting unit for setting a second target opening degree position; and a target opening degree position switching unit that switches a signal to be input to the throttle opening degree feedback control unit from the first target opening degree position to the second target opening degree position.

REFERENCES:
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patent: 6647959 (2003-11-01), Noguchi
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patent: 7171946 (2007-02-01), Watanabe
patent: 7434565 (2008-10-01), Miyachi
patent: 2006/0060168 (2006-03-01), Watanabe et al.
patent: 2007/0027609 (2007-02-01), Watanabe
patent: 3713998 (2000-08-01), None

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