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:
Jun. 18, 2024
Filed:
Nov. 23, 2021
Applicant:
Nidec Psa Emotors, Carrieres sous Poissy, FR;
Inventors:
Jean Baptiste Roux, Vaux sur Seine, FR;
Juan Wang, Vernouillet, FR;
Ioan Deac, Poissy, FR;
Diana Fantuz, Plaisir, FR;
Assignee:
NIDEC PSA EMOTORS, Carrieres sous Poissy, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 9/19 (2006.01); H02K 1/32 (2006.01); H02K 5/15 (2006.01);
U.S. Cl.
CPC ...
H02K 9/19 (2013.01); H02K 1/32 (2013.01); H02K 5/15 (2013.01);
Abstract
The present invention relates to an end shield () for a rotary electric machine, including one or more feed channels () for feeding a coolant supplied from a channel formed in a rotor lamination stack () or in a shaft of the rotor or between the rotor lamination stack and the shaft, wherein at least one feed channel () has a spray portion () for spraying the coolant, said spray portion () being placed in the last two thirds of the feed channel (), when considered in the direction in which the coolant circulates.