Variable compression ratio device for internal combustion engine
Patent
·
OSTI ID:1174778
An internal combustion engine, particularly suitable for use in a work machine, is provided with a combustion cylinder, a cylinder head at an end of the combustion cylinder and a primary piston reciprocally disposed within the combustion cylinder. The cylinder head includes a secondary cylinder and a secondary piston reciprocally disposed within the secondary cylinder. An actuator is coupled with the secondary piston for controlling the position of the secondary piston dependent upon the position of the primary piston. A communication port establishes fluid flow communication between the combustion cylinder and the secondary cylinder.
- Research Organization:
- Caterpillar Inc., Deerfield, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC05-97OR22605
- Assignee:
- Caterpillar Inc (Peoria, IL)
- Patent Number(s):
- 6,708,655
- Application Number:
- 10/122,560
- OSTI ID:
- 1174778
- Country of Publication:
- United States
- Language:
- English
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