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.

Date of Patent:
Sep. 21, 2004

Filed:

Aug. 31, 2001
Applicant:
Inventors:

Clark Hochgraf, Livonia, MI (US);

Prabhakar Singh, Richland, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 1/044 ; H01M 1/046 ;
U.S. Cl.
CPC ...
H01M 1/044 ; H01M 1/046 ;
Abstract

A control system ( ) for controlling the state of charge in an energy storage device ( ) by manipulating the voltage of a fuel cell ( ) through dynamic system modeling of predetermined parameters ( ) for the fuel cell ( ) as well as the energy storage device ( ). According to the method ( ) of the present invention, manipulation ( ) of predetermined parameters related to the fuel cell and the energy storage device control the energy storage device to a desired state of charge or divides the load current between the two devices.


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