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.:

US 7196497 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 27, 2007

Filed:

Jun. 16, 2005
Applicant:

Tooru Ooiwa, Toyota, JP;

Inventor:

Tooru Ooiwa, Toyota, JP;

Assignee:

Denso Corporation, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 9/10 (2006.01); H02P 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A vehicle-mounted electrical generating system has a first voltage system which operates from a high supply voltage and a second voltage system which operates from a low supply voltage that is substantially constant, and an electrical generator for supplying power to operate the first voltage system at a voltage determined by the level of field current of the generator, with the field current being derived from the low supply voltage of the second voltage system. The specifications of the field winding of the electrical generator can thereby be optimally established irrespective of the value of the high supply voltage.


Find Patent Forward Citations

Ooiwa, Tooru. (2007). Vehicle-mounted electrical generating system in which field current of electric generator supplying power to high-voltage system is derived from supply voltage of low-voltage system (U.S. Patent No. 7196497). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7196497

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