Vehicular power supply apparatus

Details Vehicular power supply apparatus Vehicular power supply apparatus

2008-07-08

2009-10-27

Cronin, Stephen K (Department: 3747)

Internal-combustion engines

Starting device

Condition responsive control of starting device

C123S179400, C324S519000

Reexamination Certificate

active

07607411

ABSTRACT:
A vehicular power supply apparatus includes a capacitor, an idling stop means for stopping an engine at a halt of the vehicle and restarting the engine at driver's preset driving operation by supplying current to an engine starter with the capacitor, a current detecting means for detecting the current, a cumulative value calculating means for calculating cumulative value of the current on the basis of the detected current after starting of the engine starter until a set time elapses, and an abnormality determining means for determining, when engine revolution speed at the time the set time has elapsed is outside a preset range and the cumulative value is equal to or less than a preset value, that the capacitor is abnormal.

REFERENCES:
patent: 5936409 (1999-08-01), Nishioka
patent: 6285164 (2001-09-01), Noda et al.
patent: 6837230 (2005-01-01), Nobe et al.
patent: 7432616 (2008-10-01), Hatai et al.
patent: 2007/0087231 (2007-04-01), Pearson
patent: 2000278802 (2000-10-01), None
patent: 2003-224902 (2003-08-01), None

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