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:
Dec. 24, 1991

Filed:

Sep. 29, 1989
Applicant:
Inventor:

Tsutomu Mitsui, Aichi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J / ; H02P / ;
U.S. Cl.
CPC ...
322 10 ; 290 / ; 290 46 ; 322 34 ;
Abstract

When a motor/generator is changed over from a motor mode to a generator mode, field current is minimized. In the generator mode, idling is performed until the engine temperature attains a set temperature, after which the field current is supplied. As a result, load upon an engine is lightened immediately after the engine is started and the risk of the engine stalling is eliminated.


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Mitsui, Tsutomu. (1991). Engine generator apparatus and method of operating same (U.S. Patent No. 5075616). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5075616

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