Fuel supply control system for internal combustion engines
US5609023A · kind A · utility
39Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1994 |
| Grant date | Mar 11, 1997 |
| Priority date | — |
| Expiry date | Dec 1, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel supply control system for an internal combustion engine having a catalytic converter arranged in the exhaust system, includes an ECU which estimates a storage amount of oxygen stored in the catalytic converter, calculates a physical amount having correlation with a purification rate of the catalytic converter, based on the estimated storage amount of oxygen, and controls the air-fuel ratio of an air-fuel mixture to be supplied to the engine, based on the calculated physical amount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.