Electric motor, rotary actuator and rotary apparatus
US8138645B2 · kind B2 · utility
3Cited by
9References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2010 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Mar 25, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K11/33
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotary actuator including: a housing that rotatably supports thereinside a rotor shaft of an electric motor; an eccentric shaft portion that is provided on a protruding end portion of the rotor shaft that protrudes outside the housing; an external gear that is rotatably supported on the eccentric shaft portion via a bearing; an internal gear that is fixed to an outer surface of the housing and meshes with the external gear; and a transmitting portion that is provided on the external gear, and transmits rotation force to an external output shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.