Variable valve control apparatus for internal combustion engine and method thereof
US6920851B2 · kind B2 · utility
9Cited by
2References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2003 |
| Grant date | Jul 26, 2005 |
| Priority date | — |
| Expiry date | Dec 9, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In an internal combustion engine provided with a variable valve mechanism that varies a lift amount of an intake valve, when a target lift amount of the intake valve is a predetermined value or less, the target lift amount of the intake valve is limited to the predetermined value or above when the combustion variation reaches an allowable value or above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.