Air-fuel ratio control method and apparatus for internal combustion engines
US4400944A · kind A · utility
30Cited by
1References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 2, 1980 |
| Grant date | Aug 30, 1983 |
| Priority date | — |
| Expiry date | Dec 2, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The temperature and air-fuel ratio of the exhaust gases of an internal combustion engine are sensed to generate signals indicative thereof and the amount of fuel to be injected into the engine is determined in accordance with the signals, thus controlling the air-fuel ratio at a predetermined value and thereby decreasing the abnormal temperature rise in the exhaust system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.