Engine control method and system having a voltage increasing...

Details Engine control method and system having a voltage increasing... Engine control method and system having a voltage increasing...

2007-05-01

2007-05-01

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Starting device

Condition responsive control of starting device

C701S113000

Reexamination Certificate

active

11255876

ABSTRACT:
An engine control system includes an ignition switch, a starter switch which operates a starter of an engine after the ignition switch has been turned on, and a voltage increasing circuit which increases a battery voltage to a higher voltage. The engine control system controls the voltage increasing circuit to start to increase a voltage from a battery to the higher voltage upon a timing of turning on the starter switch. Thus, radio noises caused by an operation of the voltage increasing circuit may be avoided from time at which the ignition switch is turned on to time at which the starter switch is turned on (during a quiet time period).

REFERENCES:
patent: 6202615 (2001-03-01), Pels et al.
patent: 6481406 (2002-11-01), Pels
patent: 7107956 (2006-09-01), McGee et al.
patent: 2002-250265 (2002-09-01), None
patent: 2003-056386 (2003-02-01), None
patent: 2003-148221 (2003-05-01), None

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