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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.:

US 12539937 B1

PDFFull Text
Date of Patent:
Feb. 03, 2026

Filed:

Dec. 09, 2022

Motor unit with improved heat dissipation capability for use in electric bicycles

Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Masato Nishimori, Hyogo, JP;

Masafumi Kawakami, Nara, JP;

Ryohei Adachi, Nara, JP;

Fuhito Umegaki, Osaka, JP;

Takehiro Yamaguchi, Osaka, JP;

Assignee:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Attorney:

Renner, Otto, Boisselle & Sklar, LLP

Primary Examiner:

Eric Johnson

Int. Cl.
CPC ...
H02K 5/18 (2006.01); B62M 6/55 (2010.01); H02K 7/08 (2006.01); H02K 7/10 (2006.01); H02K 9/22 (2006.01); H02K 11/24 (2016.01); H02K 11/33 (2016.01);
U.S. Cl.
CPC ...
B62M 6/55 (2013.01); H02K 5/18 (2013.01); H02K 7/10 (2013.01); H02K 9/223 (2021.01); H02K 11/24 (2016.01); H02K 11/33 (2016.01); H02K 7/083 (2013.01);
Abstract

A motor unit for use in an electric bicycle, the motor unit including a motor configured to drive a wheel of the electric bicycle in rotation. The motor unit includes a shell which at least partially houses the motor. The motor includes a rotary shaft, a rotor coupled to the rotary shaft to rotate along with the rotary shaft, and a stator arranged to surround the rotor. The stator is partially resin-molded and has a metallic surface exposed on an outer periphery thereof. A pin is interposed between the shell and the stator.

Find Patent Forward Citations

Nishimori, Masato. (2026). Motor unit with improved heat dissipation capability for use in electric bicycles (U.S. Patent No. 12539937). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12539937

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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