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:
Jan. 18, 2022
Filed:
Apr. 06, 2016
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventor:
Atsushi Ishikawa, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 21/14 (2006.01); H02K 1/27 (2006.01); H02K 1/26 (2006.01); H02K 15/02 (2006.01);
U.S. Cl.
CPC ...
H02K 1/2766 (2013.01); H02K 1/26 (2013.01); H02K 1/276 (2013.01); H02K 1/2793 (2013.01); H02K 15/024 (2013.01); H02K 21/14 (2013.01); H02K 2213/03 (2013.01);
Abstract
A motor includes a stator and a rotor provided inside the stator. The stator includes a stator core, and a coil made of aluminum and wound around the stator core in distributed winding. The rotor includes a rotor core, and a first number of permanent magnets mounted in the rotor core. The coil of the stator is covered with varnish. The first number is greater than or equal to 6, and is less than or equal to 10. Each of the first number of permanent magnets of the rotor contains neodymium, iron, boron and dysprosium, and has a dysprosium content of 0% to 4% by weight.