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:
Aug. 03, 2021
Filed:
Oct. 07, 2019
Nidec Corporation, Kyoto, JP;
Guo-Jhih Yan, Taipei, TW;
Huu-Tich Ngo, Taipei, TW;
NIDEC CORPORATION, Kyoto, JP;
Abstract
A reduction gear and an electromechanical device are provided. The reduction gear has a motor and a speed reduction assembly. The motor has a first rotary shaft and a second rotary shaft which rotate around a central axis, a second rotor, a first rotor, a stator and a first motor housing; the speed reduction assembly has: a first gear, a second gear, a third gear, and an output shaft driven by the third gear; and the motor further has: a first bearing and a second bearing, the first bearing and the second bearing are located on two sides of the stator in an axial direction, and the first gear is located on one side, away from the stator, of the second rotor. According to the embodiments, the reduction gear which is small in size and high in drive capability may be obtained.