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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 10778084 B1

PDFFull Text
Date of Patent:
Sep. 15, 2020

Filed:

Mar. 01, 2017

Power conversion device, motor drive unit, and electric power steering device

Applicant:

Nidec Corporation, Kyoto-shi Kyoto, JP;

Inventor:

Eiji Wada, Kawasaki, JP;

Assignee:

NIDEC CORPORATION, Minami-Ku, Kyoto-Shi, Kyoto, JP;

Attorney:

Cantor Colburn LLP

Primary Examiner:

Muhammad S Islam

Int. Cl.
CPC ...
H02H 7/08 (2006.01); H02M 1/32 (2007.01); H02P 27/06 (2006.01); H02M 7/48 (2007.01); H02P 25/18 (2006.01); B62D 5/04 (2006.01); H02M 7/5387 (2007.01); H02P 27/08 (2006.01); H02P 29/024 (2016.01); B60R 16/03 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 1/32 (2013.01); B62D 5/0457 (2013.01); B62D 5/0463 (2013.01); B62D 5/0481 (2013.01); H02H 7/0833 (2013.01); H02M 7/48 (2013.01); H02M 7/53871 (2013.01); H02P 25/18 (2013.01); H02P 27/06 (2013.01); H02P 27/08 (2013.01); H02P 29/0241 (2016.02); B60R 16/03 (2013.01); H02M 2001/0009 (2013.01); H02M 2001/325 (2013.01); H02P 2209/01 (2013.01);
Abstract

A power conversion device according to an embodiment of the present invention includes a first inverter to which one end of each of n phase windings (n is an integer of three or more) included in an electric motor is coupled, a second inverter to which the other end of each phase winding is coupled, and a switch circuit having at least one of: a first switch element that switches between connection and disconnection of the first inverter and ground, and a second switch element that switches between connection and disconnection of the second inverter and ground.

Find Patent Forward Citations

Wada, Eiji. (2020). Power conversion device, motor drive unit, and electric power steering device (U.S. Patent No. 10778084). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10778084

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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