Method for operating an internal combustion engine
US7581531B2 · kind B2 · utility
24Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 17, 2007 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Jul 17, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D35/02
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An internal combustion engine includes multiple cylinders. A partial set of the cylinders may be temporarily shut off. Fuel is introduced briefly into at least one of the shut off cylinders and combusted in an at least essentially torque-neutral way during the cylinder shut off period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.