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:
Mar. 13, 2018
Filed:
Mar. 04, 2015
Applicant:
Nidec Motor Corporation, St. Louis, MO (US);
Inventor:
Michael W. Major, Moro, IL (US);
Assignee:
Nidec Motor Corporation, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 7/04 (2006.01); H02K 15/16 (2006.01); H02K 7/14 (2006.01);
U.S. Cl.
CPC ...
H02K 7/04 (2013.01); H02K 7/14 (2013.01); H02K 2213/03 (2013.01); Y10T 29/49009 (2015.01); Y10T 29/49012 (2015.01);
Abstract
An electric motor includes a stator, a rotor, and weights removably attached to the rotor shell for use in balancing the rotor. The removable weights may be integrally formed with a rotor shell such that the weights and the rotor shell form a unitary, one-piece construction. The removable weights may be substantially uniformly spaced apart around an entirety of the outer perimeter of the rotor shell. In a method of making an electric motor, the stator is coupled to the rotor such that the weights are accessible for selective removal during balancing of the rotor.