Hydraulic control system for a variable compression ratio...

Details Hydraulic control system for a variable compression ratio... Hydraulic control system for a variable compression ratio...

2006-01-31

2006-01-31

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

C123S0780AA

Reexamination Certificate

active

06990933

ABSTRACT:
A movable crankshaft assembly is positioned by a positioning device hydraulically connected to a constant pressure hydraulic reservoir. The hydraulic connection between the reservoir and the positioning device is equipped with pressure relief valves connected in parallel to pass fluid in either direction to maintain the same pressure in the positioning device as in the reservoir.

REFERENCES:
patent: 2433639 (1947-12-01), Woodruff et al.
patent: 2589958 (1952-03-01), Petit
patent: 2647508 (1990-11-01), None

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