MOTOR DRIVE DEVICE AND REFRIGERATOR USING SAME

Title:

MOTOR DRIVE DEVICE AND REFRIGERATOR USING SAME

Document Type and Number:

WIPO Patent Application WO/2021/100279

Kind Code:

A1

Abstract:

A motor drive device (30) of the present disclosure comprises a brushless DC motor (5) that drives a piston of a reciprocating compressor (17), and a piston-position-changing unit (11) that rotates the brushless DC motor (5) so as to shift the piston from a top dead center while the driving of the compressor (17) is stopped.

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Inventors:

TAKEOKA YOSHINORI
HORIO YOSHIMASA

Application Number:

PCT/JP2020/032981

Publication Date:

May 27, 2021

Filing Date:

September 01, 2020

Export Citation:

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Assignee:

PANASONIC IP MAN CO LTD (JP)

International Classes:

F04B49/02

Foreign References:

JP2005214486A	2005-08-11
JP2007267451A	2007-10-11
US20170257044A1	2017-09-07
KR20180086080A	2018-07-30

Attorney, Agent or Firm:

KAMATA Kenji et al. (JP)

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