Method of and apparatus for controlling the air intake of an internal combustion engine
US4386591A · kind A · utility
7Cited by
6References
16Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 18, 1981 |
| Grant date | Jun 7, 1983 |
| Priority date | — |
| Expiry date | Sep 18, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M3/07
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The sectional area of an air bypass passage which is bypassing a throttle valve in an intake passage of an internal combustion engine is increased or decreased depending upon the difference between the actual rotational speed of the engine and the variable desired rotational speed. The variable desired rotational speed is slowly changed with respect to time according to an increment rate or to a decrement rate, when the operating condition of the engine and/or the load condition of the engine changes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.