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:
Apr. 05, 2022

Filed:

Dec. 14, 2016
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Nobuaki Yoshioka, Tokyo, JP;

Kenichi Akita, Tokyo, JP;

Mitsunori Tabata, Tokyo, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/14 (2006.01); H02J 7/00 (2006.01); H02K 11/27 (2016.01);
U.S. Cl.
CPC ...
H02J 7/14 (2013.01); H02J 7/0021 (2013.01); H02K 11/27 (2016.01);
Abstract

The control device for an electric motor according to this application provides a battery voltage detecting part for detecting a battery voltage at the time of driving a motor driven by a battery, and a minimum voltage holding part for keeping the battery voltage above the predetermined voltage by reducing the consumption current of the electric motor when the battery voltage detected by the battery voltage detecting part falls below a predetermined voltage during driving of the electric motor, so that it is possible to suppress a reduction in battery voltage during driving at low cost, and it is possible to keep the battery voltage above the predetermined voltage.


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