Hydraulic tilt device for marine propulsion unit

Details Hydraulic tilt device for marine propulsion unit Hydraulic tilt device for marine propulsion unit

1985-02-22

1986-12-23

Basinger, Sherman D.

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

B63H 512

Patent

active

046310355

ABSTRACT:
A number of embodiments of hydraulic tilt and trim units for marine outboard drives. The devices employ a reversible fluid pump that drives a double acting cylinder to effect pivotal movement of the outboard drive between a tilted up and a tilted down position. The circuitry of the connection between the fluid pump and motor is such that the displaced fluid from the fluid motor need not flow through the pump during tilt down operation so that tilt down operation can be accomplished at a greater rate of speed than tilt up operation.

REFERENCES:
patent: 4064824 (1977-12-01), Hall et al.
patent: 4395239 (1983-07-01), Hall et al.

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