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.

Date of Patent:
Nov. 03, 2026

Filed:

Sep. 14, 2022
Applicant:

Safran Helicopter Engines, Bordes, FR;

Inventors:

Camel Serghine, Bordes, FR;

Thomas Klonowski, Bordes, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/02 (2025.01); B64D 27/30 (2024.01); H02K 15/023 (2025.01); H02K 17/16 (2006.01); H02K 17/18 (2006.01);
U.S. Cl.
CPC ...
H02K 15/023 (2025.01); B64D 27/30 (2024.01); H02K 17/168 (2023.05); H02K 17/18 (2013.01);
Abstract

A rotor of an aircraft electric motor includes a shaft made of a first material, and a conductive assembly made of a second material different from the first material. The shaft includes a shoulder portion, the shoulder portion includes longitudinal notches. The notches include two contiguous notches radially superimposed in the shoulder portion, a first opening on a radially outer face of the shoulder portion, and a second opening connecting the two contiguous notches. The conductive assembly is a one-piece structure including a conductive bar that is positioned in one notch of the notches, and a skin that is fixed on the shoulder portion.


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Serghine, Camel. (2026). Electric motor rotor (U.S. Patent No. 12785523). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12785523

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