Variable compression ratio mechanism

Details Variable compression ratio mechanism Variable compression ratio mechanism

2006-05-23

2006-05-23

Yuen, Henry C. (Department: 3747)

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

C123S0780AA

Reexamination Certificate

active

07047917

ABSTRACT:
In a variable compression ratio mechanism that serves to change the compression ratio of an internal combustion engine by rotating camshafts so as to cause relative movement between a cylinder block and a crankcase, an oil film forming device forms oil films on the sliding portions of camshafts.

REFERENCES:
patent: 2770224 (1956-11-01), Ericson
patent: 5443043 (1995-08-01), Nilsson et al.
patent: 0 426 540 (1991-05-01), None
patent: A 7-26981 (1995-01-01), None
patent: A 2003-206771 (2003-07-01), None

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