Power tilt cylinder device

Details Power tilt cylinder device Power tilt cylinder device

1997-03-19

1998-02-24

Avila, Stephen

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

B63H 512

Patent

active

057206376

ABSTRACT:
In a power tilt cylinder device 100, an opening/closing valve 61 in a rod guide 18A supplies a hydraulic fluid from a second duct line 44 to the opposite piston side space 22B of a free piston 25 of the cylinder device 100, in an upper limit of upward tilting for pushing out a piston rod 19 to the outside of a cylinder 18, this valve is pushed opened by a piston 20, and a fluid supplied from a pump 33 to the second duct line 44 is guided to a first chamber 21.

REFERENCES:
patent: 4308018 (1981-12-01), Nakamura et al.
patent: 4325700 (1982-04-01), Kern et al.
patent: 4551104 (1985-11-01), Iwashita et al.

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