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:
Nov. 13, 2007

Filed:

Jan. 25, 2006
Applicants:

Norihito Kimura, Nukata-gun, JP;

Katsunori Tanaka, Ichinomiya, JP;

Inventors:

Norihito Kimura, Nukata-gun, JP;

Katsunori Tanaka, Ichinomiya, JP;

Assignees:

Denso Corporation, Kariya, JP;

Nippon Soken, Inc., Nishio, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 9/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

In an apparatus, a first detecting unit detects the number of revolutions of a power generator, a second detecting unit detects an output voltage of the power generator, and a third detecting unit detects an output current of the power generator. A torque calculating unit calculates power generation torque based on the detected number of revolutions of the power generator, the detected output voltage, and the detected output current using relationship information. The relationship information represents a relationship between the power generation torque and each of the number of revolutions of the power generator, the output voltage, and the output current.


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