Throttle valve device of engine
US6516776B1 · kind B1 · utility
10Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2000 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | Nov 16, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05C2201/021
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In a throttle valve device for driving a throttle valve to open/close by an electric motor, wherein a circuit case for accommodating a motor drive circuit is integrally formed to a throttle body, said throttle body is further equipped with a cooling water passage for cooling said motor drive circuit with the engine cooling water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.