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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 11014602 B1

PDFFull Text
Date of Patent:
May. 25, 2021

Filed:

Mar. 01, 2017

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

Applicant:

Nidec Corporation, Kyoto, JP;

Inventors:

Eiji Wada, Kawasaki, JP;

Kaori Nabeshi, Kyoto, JP;

Assignee:

NIDEC CORPORATION, Kyoto, JP;

Attorney:

Cantor Colburn LLP

Primary Examiner:

Jean Paul Cass

Int. Cl.
CPC ...
B62D 5/04 (2006.01); H02M 7/493 (2007.01); H02P 27/06 (2006.01); H02M 7/48 (2007.01); H02K 3/28 (2006.01); H02M 1/08 (2006.01); H02M 7/5387 (2007.01);
U.S. Cl.
CPC ...
B62D 5/0481 (2013.01); H02K 3/28 (2013.01); H02M 1/081 (2013.01); H02M 7/48 (2013.01); H02M 7/493 (2013.01); H02M 7/5387 (2013.01); H02P 27/06 (2013.01);
Abstract

A power conversion device may include a first inverter to which a first end of each phase winding of the electric motor is coupled; a second inverter to which a second end of each phase winding is coupled; a first phase isolation relay circuit structured to switch between connection and disconnection of the one end of each phase winding to and from the first inverter; and a first neutral point relay circuit to which the one end of each phase winding is coupled and which is structured to switch between connection and disconnection of the one end of each phase winding to and from the one end of each other phase winding.

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Wada, Eiji. (2021). Power conversion device, motor drive unit, electric power steering device, and relay module (U.S. Patent No. 11014602). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11014602

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

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