Engine controller
US7650225B2 · kind B2 · utility
22Cited by
11References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 2007 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | May 12, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D2250/18
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An engine controller comprises a combustion state detection or estimation means for detecting or estimating a combustion state in the combustion chamber, a combustion air-fuel ratio estimation means for estimating a combustion air-fuel ratio in the combustion chamber according to an exhaust air-fuel ratio and the detected or estimated combustion state, and a means for calculating engine control parameters according to the estimated combustion air-fuel ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.