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. 04, 2021
Filed:
Dec. 07, 2018
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Eric Latulipe, Ste-Julie, CA;
Richard Freer, Saint-Basile-le-Grand, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 29/03 (2006.01); H02K 16/02 (2006.01); H02K 7/116 (2006.01); F16H 1/22 (2006.01);
U.S. Cl.
CPC ...
H02K 29/03 (2013.01); F16H 1/22 (2013.01); H02K 7/116 (2013.01); H02K 16/02 (2013.01);
Abstract
An electric machine system described herein comprises a first and second electric machines configured to drive a load. The first electric machine has a plurality of first rotors driven using electric power having a first phase. The second electric machine has a plurality of second rotors driven using electric power having a second phase. The second phase differs from the first phase. Each of one or more shafts connects a first rotor with a second rotor. The first rotor is coaxial with and axially spaced apart from the second rotor.