Idling speed control device of an internal combustion engine
US4414942A · kind A · utility
18Cited by
11References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1981 |
| Grant date | Nov 15, 1983 |
| Priority date | — |
| Expiry date | Jun 9, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/18664
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An idling speed control device of an internal combustion engine comprising a bypass passage which interconnects the intake passage located upstream of the throttle valve to a surge tank which is arranged in the bypass passage located downstream of the throttle valve. A flow control valve is fixed onto the surge tank and actuated by a step motor for controlling the amount of air flowing within the bypass passage to maintain the idling speed of an engine at a predetermined speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.