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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 10830222 B1

PDFFull Text
Date of Patent:
Nov. 10, 2020

Filed:

Aug. 04, 2016

Refrigeration compressor having an outer-rotor type motor with the stator fixed to a member fixed to a cylinder block

Applicant:

Panasonic Appliances Refrigeration Devices Singapore, Singapore, SG;

Inventor:

Hiroyuki Kawano, Shiga, JP;

Assignee:

PANASONIC APPLIANCES REFRIGERATION DEVICES SINGAPORE, Singapore, SG;

Attorney:

Hamre, Schumann, Mueller & Larson, P.C.

Primary Examiner:

Bryan M Lettman

Assistant Examiner:

Timothy P Solak

Int. Cl.
CPC ...
F04B 35/04 (2006.01); F04B 39/00 (2006.01); H02K 1/27 (2006.01); F04B 41/02 (2006.01); F04B 53/22 (2006.01); F04B 39/12 (2006.01); F04B 53/16 (2006.01); H02K 11/33 (2016.01); F04B 35/01 (2006.01); F25B 1/02 (2006.01); H02K 1/18 (2006.01);
U.S. Cl.
CPC ...
F04B 35/04 (2013.01); F04B 35/01 (2013.01); F04B 39/00 (2013.01); F04B 39/0044 (2013.01); F04B 39/122 (2013.01); F04B 39/127 (2013.01); F04B 41/02 (2013.01); F04B 53/16 (2013.01); F04B 53/22 (2013.01); F25B 1/02 (2013.01); H02K 1/187 (2013.01); H02K 1/2786 (2013.01); H02K 11/33 (2016.01);
Abstract

A stator of an outer-rotor type motor is fixed to a stator fixing member, and the stator fixing member is fixed to a member (cylinder block) of a compression element, which has a main bearing. Further, an auxiliary bearing is configured to be separate from the stator fixing member and is fixed to the stator fixing member. In this manner, it is possible to fix the stator fixing member to the member of the compression element in a state in which an even clearance is formed between an inner circumference of a rotor and an outer circumference of the stator, and it is possible to fix the auxiliary bearing to the stator fixing member in a state in which the auxiliary bearing is reliably coaxial to the main bearing.

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