Drive apparatus adapted to promote heat dissipation from electronic circuit integrated therein
US8304942B2 · kind B2 · utility
11Cited by
8References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2010 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Feb 8, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2211/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A drive apparatus has a motor device having a tubular motor case. A stator is arranged radially inside the motor case. A rotor is arranged radially inside the stator. A shaft is rotatable with the rotor. An electronic circuit is arranged in the central axis direction of the shaft relative to the motor case. A choke coil has a hole in a central part thereof, in which the shaft is inserted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.