Cylinder valve operating system for reciprocating internal combustion engine
US7819096B2 · kind B2 · utility
36Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2007 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Jan 27, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A cylinder valve operating system for an internal combustion engine includes a camshaft driving a number of intake and exhaust valve operators which may be selectively disabled through the operation of a valving system including a hydraulic phase shifter integrated with the camshaft and connected between a source of high pressure oil and at least the intake valve operators. The hydraulic phase shifter allows one group of valves, such as the exhaust valves, to be disabled before the other group of valves, typically the intake valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.