Method of and apparatus for controlling the ignition timing of an internal combustion engine
US4421085A · kind A · utility
7Cited by
12References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1981 |
| Grant date | Dec 20, 1983 |
| Priority date | — |
| Expiry date | Sep 18, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A spark advance angle is calculated depending upon the flow rate of air sucked into the engine or the pneumatic pressure in the intake manifold and upon the rotational speed of the engine. When the actual engine temperature exceeds a predetermined value higher than the engine temperature at the normal operating condition of the engine, the calculated spark advance angle is corrected to decrease.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.