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:
Jun. 02, 2020

Filed:

Nov. 01, 2018
Applicant:

Delta Electronics, Inc., Taoyuan, TW;

Inventors:

Ching-Hsiung Tsai, Taoyuan, TW;

Chi-Wen Chung, Taoyuan, TW;

En-Yi Chu, Taoyuan, TW;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16H 1/32 (2006.01); H02K 7/116 (2006.01); B60K 17/346 (2006.01);
U.S. Cl.
CPC ...
H02K 7/116 (2013.01); B60K 17/3467 (2013.01); F16H 1/32 (2013.01);
Abstract

A speed reducing device includes a motor and a speed reducing mechanism. The motor includes a stator portion and a rotor portion. The rotor portion includes a first eccentric ring and a second eccentric ring. The speed reducing mechanism is partially accommodated within the rotor portion. The speed reducing mechanism includes a first roller assembly, a second roller assembly, a third roller assembly, a first cycloid disc set and a second cycloid disc set. The first roller assembly includes at least one first roller. The second roller assembly includes at least one second roller. The third roller assembly includes an output shaft and at least one third roller. The first cycloid disc set is mounted around the output shaft and disposed within the first eccentric ring. The second cycloid disc set is mounted around the output shaft and disposed within the second eccentric ring.


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