Marine propulsion – Screw propeller – Having transmission
Patent
1983-07-05
1986-09-02
Basinger, Sherman D.
Marine propulsion
Screw propeller
Having transmission
440 81, 114 202, 74191, F42B 1901
Patent
active
046093621
ABSTRACT:
The system provides propulsion of an underwater vehicle without the need noise producing gears or internal combustion engines. Variable speed of two impellers is automatically controlled from a single hydraulic piston regardless of depth, as is the horizontal and vertical attitude. Upright stability of the vehicle is held by controlling the speed of one impeller versus the other also using a single hydraulic piston. Since the speed controlling element allows output speed adjustments from zero to maximum, efficiency of the battery powered prime mover is high. The motor is allowed to come up to full high operational speed under no load conditions (zero output speed) developing vast amounts of kinetic energy through centrifugally forced contact rollers. This energy becomes available for the supply of peak power without taxing the prime mover, while continuing to reestablish the spent kinetic energy during periods of low power output. The system is suitable for utilizing digital control inputs that can feasibly be supplied by radio control through an antenna external to the system.
REFERENCES:
patent: 2501936 (1950-03-01), Gayer
patent: 4282774 (1981-08-01), Van der Lely
Basinger Sherman D.
Beers Robert F.
Lall Prithvi C.
McGill Arthur A.
The United States of America as represented by the Secretary of
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