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. 09, 2026
Filed:
Aug. 23, 2024
Applicant:
Archer Aviation Inc., San Jose, CA (US);
Inventor:
Bharat Tulsyan, San Jose, CA (US);
Assignee:
Archer Aviation Inc., San Jose, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B64D 27/31 (2024.01); B64C 29/00 (2006.01);
U.S. Cl.
CPC ...
B64D 27/31 (2024.01); B64C 29/0033 (2013.01);
Abstract
An electric propulsion system comprising an electric motor assembly. The electric motor assembly may include a rotor and a stator. The stator may have end windings. The electric propulsion system may include a main shaft connected to the rotor and a collar connected to a rotating component of the electric motor assembly. The collar may encircle the main shaft. The collar may include a channel configured to direct a fluid away from the main shaft, through at least one opening in the collar, and toward the end windings.