Fluid valve actuated boat thruster

Details Fluid valve actuated boat thruster Fluid valve actuated boat thruster

1981-11-10

1984-06-26

Basinger, Sherman D.

Ships

Steering mechanism

Fluid pressure

440 40, 440 43, B63H 2546

Patent

active

044559607

ABSTRACT:
An improved boat thruster system including a pump for drawing water through an inlet in the boat hull and for discharging water through first and second pipes connected to outlets located on either side of the hull. A valve is installed in each of the pipes to control the flow of water therethrough. The valves may be controlled by either an open or closed loop control system configured so as to prevent both outlet pipes from being closed at the same time during system operation. Each valve is preferably comprised of multiple vanes each of which is mounted for rotation about an off center axis such that in the event of a valve control system failure, the water flow will cause the valve to open rather than close thereby preventing undesirable high pressure buildup in the system.

REFERENCES:
patent: 164033 (1875-01-01), Pratt
patent: 3040527 (1962-06-01), Christensen
patent: 3137266 (1964-06-01), Perrier
patent: 3209717 (1965-10-01), Campbell
patent: 3492965 (1970-02-01), Wayfield
patent: 3557736 (1971-01-01), Baer
patent: 4056073 (1977-11-01), Dashew
patent: 4138963 (1979-02-01), Thompson
patent: 4214544 (1980-07-01), Dashew

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