Method and apparatus for controlling knocking of an internal combustion engine
US4549514A · kind A · utility
10Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1983 |
| Grant date | Oct 29, 1985 |
| Priority date | — |
| Expiry date | Feb 24, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Disclosed are method and apparatus for controlling knocking of an internal combustion engine by retarding an ignition timing in accordance with a knocking intensity of detected knocking and advancing the ignition timing at a predetermined velocity after the ignition timing has been retarded. When the detected knocking intensity is below a predetermined level, it is regarded that the knocking has not occurred and the retardation is inhibited.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.