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. 11, 2007
Filed:
Mar. 08, 2005
Applicant:
Chiaki Kanai, Kanagawa, JP;
Inventor:
Chiaki Kanai, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/24 (2006.01); H01M 8/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Fuel cells and methods of operating same are provided. In an embodiment, fuel cells include cylinders each provided with a spiral form groove portion in the surface thereof and disposed in air supply or exhaust pipes are rotated, wherein the amount of air supplied to power generation cells can be sequentially increased on a cell-by-cell basis, and water formed at the power generation cells can be discharged by sequentially raising the pressure of air. In this regard, each power generation cell is constantly supplied with not less than a fixed quantity of air, thus stable power generation can be achieved.