Method for adjusting a supplemental quantity of fuel in the warm-up phase of an internal combustion engine
US5881697A · kind A · utility
4Cited by
8References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1997 |
| Grant date | Mar 16, 1999 |
| Priority date | — |
| Expiry date | Jun 11, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D2200/0606
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention is directed to a method for adjusting a supplemental quantity of fuel which is supplied to an internal combustion engine during warm-up operation in addition to a basic quantity measured for an operationally warm engine. The method includes the step of basing the adaptation of the supplemental quantity of fuel on an evaluation of the control actuating variable of an idle speed control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.