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:
Sep. 06, 2011
Filed:
Nov. 16, 2005
Seiji Sugiura, Utsunomiya, JP;
Minoru Koshinuma, Utsunomiya, JP;
Jun Kondo, Utsunomiya, JP;
Hiroshi Morikawa, Shioya-gun, JP;
Masahiro Mohri, Utsunomiya, JP;
Seiji Sugiura, Utsunomiya, JP;
Minoru Koshinuma, Utsunomiya, JP;
Jun Kondo, Utsunomiya, JP;
Hiroshi Morikawa, Shioya-gun, JP;
Masahiro Mohri, Utsunomiya, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A fuel cell stack includes a stack body formed by stacking a plurality of power generation cells in a stacking direction. At opposite ends of the stack body in the stacking direction, end power generation cells are provided. An end coolant flow field is formed on a separator of the end power generation cell. The flow rate of the coolant in the end coolant flow field is smaller than the flow rate of the coolant in a coolant flow field in each of the power generation cells. Specifically, the number of flow grooves of the end coolant flow field is smaller than the number of flow grooves of the coolant flow field.