Drive apparatus
US9088195B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2010 |
| Grant date | Jul 21, 2015 |
| Priority date | — |
| Expiry date | Aug 13, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2211/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A heat sink of a drive apparatus includes a heat receiving surface located in a rising direction from an end surface wall of a motor case formed in an axial direction of the motor case. A power module is arranged along the heat receiving surface of the heat sink. A control circuit substrate includes a control circuit for controlling driving of a motor and is electrically connected to the power module. A power circuit substrate is supplied with currents supplied to winding wires, and is electrically connected to the power module. In the drive apparatus, the motor case, the control circuit substrate, the power module and the power wiring part are arranged in this order in an axial direction. The power module is arranged longitudinally relative to the end surface wall in the axial direction of the motor case.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.