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:
Feb. 20, 2018
Filed:
Jan. 15, 2015
Applicant:
Atieva, Inc., Redwood City, CA (US);
Inventors:
Jeremy Mayer, Mountain View, CA (US);
Yifan Tang, Los Altos, CA (US);
Assignee:
Atieva, Inc., Menlo Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/02 (2006.01); H02K 19/04 (2006.01); H02K 15/00 (2006.01); C25D 3/02 (2006.01); C25D 3/38 (2006.01); H02K 19/14 (2006.01); H02K 19/10 (2006.01);
U.S. Cl.
CPC ...
H02K 15/024 (2013.01); H02K 15/0012 (2013.01); H02K 19/04 (2013.01); C25D 3/02 (2013.01); C25D 3/38 (2013.01); H02K 19/10 (2013.01); H02K 19/14 (2013.01); Y10T 29/49009 (2015.01); Y10T 29/49012 (2015.01);
Abstract
A method is provided for fabricating a rotor assembly for an electric motor which utilizes pre-fabricated conductive rotor bars and die cast end rings. Containment rings, which may be installed on the end rings either before or after casting, may be used to inhibit end ring creep at high rotational speeds.