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:
Nov. 27, 2007
Filed:
Jun. 18, 2003
Nobusuke Toukura, Yokosuka, JP;
Nobusuke Toukura, Yokosuka, JP;
Nissan Motor Co., Ltd., Yokohama-shi, JP;
Abstract
A control device for a fuel cell system () having a fuel cell stack () with an oxidizing electrode () supplied with oxidizing gas and a fuel electrode () supplied with fuel gas to generate an electric power is disclosed having an estimating section () estimating occurrence of a water-clogging phenomenon wherein condensed water stays in a fuel gas flow passage (HL, HL') through which fuel gas is supplied to the fuel electrode of the fuel cell stack, and a control section () controlling a fuel gas exhaust valve (), which is disposed downstream of the fuel cell stack to allow the fuel gas to be exhausted from the fuel cell stack, to be brought into an opened condition when the estimating section estimates the occurrence of the water-clogging phenomenon.