Motor with internal driver
US8836188B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 15, 2012 |
| Grant date | Sep 16, 2014 |
| Priority date | — |
| Expiry date | Jan 12, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K11/33
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor with an internal driver having a shell, having a stator, a rotor and a drive shaft attached to said rotor in an internal thereof; a front cover; a rear cover; ends of a drive shaft penetrating through holes of the front and rear covers to the external. The inner surface of the rear cover includes outer and inner circumferential walls and a receiving space defined by the outer and inner circumferential walls and the inner surface of the rear cover. A driver is provided within said receiving space and the outer surface of the rear cover is provided with a bearing slot to receive a bearing. An inner diameter of the inner circumferential wall is greater than the drive shaft. Said inner diameter of said inner circumferential wall is smaller than the annular diameter of the bearing in the bearing slot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.