Throttle valve controlling apparatus
US4601271A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1984 |
| Grant date | Jul 22, 1986 |
| Priority date | — |
| Expiry date | Dec 31, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An apparatus for controlling an opening degree of a throttle valve comprises a motor including a rotor, a detector for detecting the opening degree of the throttle valve, and a control unit for outputting a command to the motor so as to swing the throttle valve to the desired opening degree which is determined by the control unit in accordance with the information representing the engine condition. The apparatus further comprises a one-piece shaft which includes a throttle valve shaft and an output shaft of the rotor of the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.