The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2009
Filed:
Jul. 08, 2008
Seiichi Ishizeki, Tokyo, JP;
Seiichi Ishizeki, Tokyo, JP;
Fuji Jukogyo Kabushiki Kaisha, Tokyo, JP;
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.