Method for setting torque in an internal combustion engine
US6186116A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1999 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | Jul 29, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method for setting the torque in an internal combustion engine determines a set air mass and a corresponding throttle valve setting from a set torque in a control tract. An actual air mass allows the difference between a set air mass and the actual air mass to be determined by comparing a set value and the actual value. The controlling effort for setting a desired torque will be reduced. A correction value for the difference between the actual and set values of the air mass is calculated whereby an adaptation of the control tract to the difference is performed. Thereby, in the control tract, a correspondingly adapted throttle valve position will then be associated with a set torque that is to be established. A compensation of the previously determined difference between the set value and the actual value of the air mass is produced. An actual fuel mass fed to the combustion chambers can be utilized for determining the actual air mass, as can a fuel/air mass ratio of a mixture fed to the combustion chambers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.