Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...
Reexamination Certificate
2005-01-04
2005-01-04
Sotelo, Jesus D. (Department: 3617)
Marine propulsion
Screw propeller
With means effecting or facilitating movement of propulsion...
C440S06100B
Reexamination Certificate
active
06837762
ABSTRACT:
In a marine gas cylinder apparatus provided with a switching valve apparatus capable of switching a communication state among a piston rod side oil chamber, a piston side oil chamber and a gas chamber, a relief passage communicating a communication chamber of the switching valve apparatus with the gas chamber is provided. A temperature compensating relief valve relieving an oil in the communication chamber to the gas chamber is provided in the relief passage.
REFERENCES:
patent: 6332817 (2001-12-01), Nakamura
patent: 6454619 (2002-09-01), Funami et al.
patent: 6461205 (2002-10-01), Banba et al.
patent: HEI781682 (1995-03-01), None
Orum & Roth
Showa Corporation
Sotelo Jesus D.
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