Apparatus and method for controlling idle rotation speed of an internal combustion engine
US6273063A · kind A · utility
1Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2000 |
| Grant date | Aug 14, 2001 |
| Priority date | — |
| Expiry date | Mar 17, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D41/1487
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
When canister purge is started during feedback control of idle rotation speed, a feedback control value for immediately prior to starting purge is stored, and when purge is stopped, the feedback operating amount is changed stepwise up to the stored value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.