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:
Dec. 01, 2015
Filed:
Feb. 19, 2013
Applicant:
Hitachi, Ltd., Chiyoda-ku, Tokyo, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/16 (2006.01); H02K 7/08 (2006.01); H02K 5/173 (2006.01); H02K 15/03 (2006.01);
U.S. Cl.
CPC ...
H02K 5/161 (2013.01); H02K 5/1737 (2013.01); H02K 7/083 (2013.01); H02K 15/03 (2013.01);
Abstract
In a permanent magnet pump motor comprising a stator and a rotor, a permanent magnet is used for the rotor; and the rotor has a shaft end portion to be mounted with a joint shaft for rotor insertion and bearing brackets for housing therein bearings for supporting the both ends of the rotor. The bearing brackets have cavities through which a rotor shaft and the joint shaft can pass.