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. 30, 2002
Filed:
Sep. 08, 2000
Hidefumi Mori, Kariya, JP;
Ryuta Kawaguchi, Kariya, JP;
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Kariya, JP;
Abstract
A compressor and regenerator for a fuel cell according to the present invention comprises a compression mechanism portion C having a compression chamber for pressurizing an oxygen-containing gas to a high pressure to supply air to a fuel cell F, and a regenerative mechanism portion E having a regenerative chamber so constituted as to be operated with the compression mechanism portion C by the same motor M and assisting the motor M using an exhaust gas G exhausted from the fuel cell F. The compression chamber of the compression mechanism portion C and the regenerative chamber of the regenerative mechanism portion E are adjacent to each other. A seal ring grove is defined in a ring-like zone of a center housing and a seal ring is fitted in the seal ring groove