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.:
Date of Patent:
May. 11, 2021
Filed:
Nov. 26, 2018
Applicant:
Guangdong Meizhi Compressor Co., Ltd., Foshan, CN;
Inventors:
Assignee:
GUANGDONG MEIZHI COMPRESSOR CO., LTD., Guangdong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/02 (2006.01); H02K 1/27 (2006.01); F04B 17/03 (2006.01); H02K 1/14 (2006.01);
U.S. Cl.
CPC ...
H01F 7/021 (2013.01); H01F 7/0242 (2013.01); H02K 1/274 (2013.01); H02K 1/276 (2013.01); F04B 17/03 (2013.01); H02K 1/14 (2013.01); H02K 2213/03 (2013.01);
Abstract
A permanent magnet, a rotor, a motor and a compressor are provided. A work face of the permanent magnet includes a first edge and a second edge, a head endpoint of the first edge is connected to a tail endpoint of the second edge by means of a transition edge, the transition edge is located at a side, adjacent to a center of the work face, of a line connecting the head endpoint with the tail endpoint, and the transition edge includes at least one sub-arc segment, or a combination of at least one sub-arc segment and at least one sub-straight segment.