Ships – Steering mechanism – Fluid pressure
Patent
1994-10-27
1995-06-27
Basinger, Sherman
Ships
Steering mechanism
Fluid pressure
60385, 440 61, B65H 2500
Patent
active
054270456
ABSTRACT:
A power steering apparatus for a marine craft includes an actuator assembly including a hydraulic steering actuator. The steering actuator is operatively connected to the tiller of the craft. A hydraulic servo actuator is mounted on the steering actuator. The servo actuator is permitted limited axial displacement relative to the steering actuator. The servo actuator is operatively connected to the steering actuator. A servo valve is mounted on the actuator assembly and has ports for receiving pressurized hydraulic fluid. The servo valve is hydraulically connected to the steering actuator. A member operatively connects the servo valve to the servo actuator. Displacement of the servo actuator opens the valve to provide pressurized hydraulic fluid to the steering actuator. The steering actuator includes a steering cylinder, a piston reciprocatingly received in the cylinder, a piston rod connected to the piston and end fittings on each end of the cylinder. The mechanism for mounting the servo actuator includes a mount integral with each of the end fittings.
REFERENCES:
patent: 3080721 (1963-03-01), Mettetal, Jr.
patent: 3631833 (1972-01-01), Shimanckas
patent: 4592732 (1986-06-01), Ferguson
patent: 4595370 (1985-08-01), Small
patent: 4744777 (1988-05-01), Ferguson
patent: 4892494 (1990-01-01), Ferguson
patent: 4976639 (1990-12-01), Rawlings et al.
patent: 5213527 (1993-05-01), Fetchko
patent: 5289756 (1994-03-01), Kobelt
Volvo Brochure, Installation Instructions Hydraulic Steering for Servo Cylinders Kit No. 1140585-9.
SEASTAR Hydraulics--Order Guide, pp. 23, 24 & 30.
OMC 1989 Owner's Manual, pp. 9-8 and 9-9.
1984 Quicksilver Accessories Guide.
Sleipner Motors A.S.--Steering Power.
Basinger Sherman
Cameron Norman M.
Teleflex (Canada) Ltd.
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