Eccentric crank variable compression ratio mechanism
US7370613B2 · kind B2 · utility
5Cited by
8References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2004 |
| Grant date | May 13, 2008 |
| Priority date | — |
| Expiry date | Nov 30, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D15/02
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A variable compression ratio mechanism for an internal combustion engine that has an engine block and a crankshaft is disclosed. The variable compression ratio mechanism has a plurality of eccentric disks configured to support the crankshaft. Each of the plurality of eccentric disks has at least one cylindrical portion annularly surrounded by the engine block. The variable compression ratio mechanism also has at least one actuator configured to rotate the plurality of eccentric disks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.