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. 16, 2007
Filed:
Jun. 06, 2002
Koudai Yoshizawa, Kanagawa-ken, JP;
Yasukazu Iwasaki, Kanagawa-ken, JP;
Koudai Yoshizawa, Kanagawa-ken, JP;
Yasukazu Iwasaki, Kanagawa-ken, JP;
Nissan Motor Co., Ltd., Yokohama-shi, JP;
Abstract
A fuel cell system is provided with a fuel cell body, a hydrogen supply system supplying hydrogen containing gas to the fuel cell body, an oxygen supply system supplying oxygen containing gas to the fuel cell body, a cooling system adjusting the temperature of the fuel cell body, a water circulation system supplying water to humidify the fuel cell body and collecting water discharged from the fuel cell body, a generated heat amount calculating section calculating a generated heat amount of the fuel cell body, a cooling performance calculating section calculating a cooling performance of the cooling system, a temperature calculating section calculating a fuel cell temperature of the fuel cell body on the basis of the generated heat amount and the cooling performance, a collected water amount calculating section calculating an amount of water collected from the water circulation system on the basis of the fuel cell temperature, and a collected water amount controlling section controlling the amount of collected water discharged from the fuel cell body on the basis of the amount of collected water.