Combustion engine variable compression ratio apparatus and method
US7055469B2 · kind B2 · utility
4Cited by
14References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 18, 2003 |
| Grant date | Jun 6, 2006 |
| Priority date | — |
| Expiry date | Jan 22, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An apparatus and method for varying a compression ratio of an engine having a block and a head mounted thereto. The apparatus and method includes a cylinder having a block portion and a head portion, a piston linearly movable in the block portion of the cylinder, a cylinder plug linearly movable in the head portion of the cylinder, and a valve located in the cylinder plug and operable to provide controlled fluid communication with the block portion of the cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.