Marine gas cylinder apparatus

Details Marine gas cylinder apparatus Marine gas cylinder apparatus

2005-02-22

2005-02-22

Basinger, Sherman (Department: 3617)

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

Reexamination Certificate

active

06857921

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, the switching valve apparatus is structured such that each of respective poppet valves are arranged in each of ports open to a communication chamber provided in a valve case, each of balls is held between a ball operation surface of a rotation plate supported to the valve case and each of the poppet valves. Each of the poppet valves is moved close to or apart from the corresponding port via each of the balls in accordance with a rotating operation of the rotation plate.

REFERENCES:
patent: 5389019 (1995-02-01), Tsujii
patent: 5489226 (1996-02-01), Nakamura et al.
patent: 6213822 (2001-04-01), Saito et al.
patent: 20030228811 (2003-12-01), Sekikawa et al.
patent: 20040087227 (2004-05-01), Sekikawa
patent: HEI31200 (1991-01-01), None

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