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:
Dec. 28, 2021
Filed:
Aug. 14, 2019
Nidec Corporation, Kyoto, JP;
Guo-Jhih Yan, Taipei, TW;
Huu-Tich Ngo, Taipei, TW;
NIDEC CORPORATION, Kyoto, JP;
Abstract
A speed reduction apparatus includes a motor and a speed reduction assembly. The motor includes a first rotating shaft and a second rotating shaft a second rotator and a first rotator, a stator, a first motor housing, a second motor, and a first bearing and a second bearing at a radial outer side of the first rotating shaft, the first bearing and the second bearing being axially located at the same side of the first rotator facing the first motor housing. The speed reduction assembly includes a first gear, third gears engaging with the first gear, and a second gear, an output shaft, the third gears turning the second gear to rotate, and the second gear driving the output shaft, and a bracket between the output shaft and the first rotating shaft, the first gear, the second gear and the third gears being located at an axial outer side of the first motor housing, and at least one of the first gear, the second gear and the third gears being located radial outer sides of the first bearing and the second bearing.