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:
Jul. 02, 2019
Filed:
Sep. 17, 2015
Applicant:
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
Inventor:
Yoshitomo Asai, Kanagawa, JP;
Assignee:
NISSAN MOTOR CO., LTD., Yokohama-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2016.01); H01M 8/04791 (2016.01); H01M 8/0438 (2016.01); H01M 8/04119 (2016.01); H01M 8/0444 (2016.01); H01M 8/04082 (2016.01); H01M 8/04223 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04798 (2013.01); H01M 8/04 (2013.01); H01M 8/04179 (2013.01); H01M 8/04201 (2013.01); H01M 8/04231 (2013.01); H01M 8/04388 (2013.01); H01M 8/04447 (2013.01);
Abstract
A fuel cell system comprising: a supply valve for supplying the anode gas into an anode system of the fuel cell system; a purge valve for discharging an off-gas from the anode system; a pressure detecting portion that estimates or measures a pressure inside the anode system; and a hydrogen concentration estimating portion that estimates a hydrogen concentration inside the anode system based on a pressure decrease during a purge valve open duration in a supply valve close state.