Control device for internal combustion engine

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant

Reexamination Certificate

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Details

C123S478000, C123S494000, C701S104000

Reexamination Certificate

active

07987044

ABSTRACT:
A control device10for an internal combustion engine80includes an injector drive circuit90that drives an injector30that injects fuel and a temperature detection device that at least detects timing when a temperature condition that the temperature of the injector drive circuit90exceeds predetermined temperature is satisfied. The control device10includes a heat-generation-suppression control means104that performs control for suppressing the heat generation of the injector drive circuit90. The heat-generation-suppression control means104selects, on the basis of a driving state of a vehicle, at least one parameter among an electric current applied to the injector, fuel pressure supplied to the injector30, the number of revolutions of the internal combustion engine, and voltage from a battery to be boosted and performs control for limiting a value of the selected parameter on the basis of the timing.

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patent: 7415964 (2008-08-01), Ban
patent: 2003/0106531 (2003-06-01), Saeki et al.
patent: 2005/0126542 (2005-06-01), Oono
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patent: 2005-201091 (2005-07-01), None
patent: 2005201091 (2005-07-01), None
patent: 2007285139 (2007-11-01), None
Japanese Office Action dated Feb. 15, 2911 (Three (3) pages).

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