Control device and motor unit including the control device
US9398724B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 24, 2013 |
| Grant date | Jul 19, 2016 |
| Priority date | — |
| Expiry date | Mar 26, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/116
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A control device of a motor unit includes a housing, and a circuit board that is housed in the housing. The circuit board includes a first substrate portion which is fixed to a side wall and in which heat dissipation components are fitted onto a first main surface, a second substrate portion in which a second main surface faces the first main surface of the first substrate portion, and heating elements are fitted onto the second main surface, and a first connecting portion that connects an end portion of the first substrate portion with an end portion of the second substrate portion. The heating elements and the heat dissipation components face each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.