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:
Dec. 24, 2002
Filed:
May. 23, 2001
Applicant:
Inventor:
William A. Fuglevand, Spokane, WA (US);
Assignee:
Avista Laboratories, Inc., Spokane, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/04 ; H01M 8/24 ; H01M 1/600 ; H02J 7/00 ;
U.S. Cl.
CPC ...
H01M 8/04 ; H01M 8/24 ; H01M 1/600 ; H02J 7/00 ;
Abstract
A fuel cell power system, comprising a fuel cell which generates D.C. voltage while operating; an ultracapacitor which, in operation, is electrically coupled with a load and has a voltage condition; and a circuit which, in operation, electrically couples and decouples the fuel cell to the ultracapacitor based upon the voltage condition of the ultracapacitor.