Ships – Building – Canal and ferry boats
Patent
1979-06-08
1981-04-21
Blix, Trygve M.
Ships
Building
Canal and ferry boats
114331, 102 14, B63B 2152
Patent
active
042623782
ABSTRACT:
A buoyant capsule depth controller is presented for positioning and maintaining a capsule within the ocean waters for establishing an observation or defense station. A bouyant capsule is connected to a weight assembly by means of explosive fittings which detonate at a predetermined depth to separate the two. The buoyant capsule and weight assembly are then held together by means of a short line of fixed length until a second predetermined depth is reached, at which time a pressure-actuated release mechanism releases the short line and a cable wound within the weight assembly is payed out to the buoyant capsule below a preset depth as the weight assembly sinks to the ocean floor. The paying out of the cable rotates a shaft within the weight assembly which in turn drives an hydraulic pump, the output of the pump being controlled by a valve to regulate the amount of drag which the pump exerts upon the shaft thus controlling the rate of cable pay out. The valve is controlled by the ambient pressure exerted by the ocean waters, such pressure being indicative of the actual depth of the weight assembly, and the number of rotations of the shaft which is indicative of the actual amount of cable payed out. When the weight assembly sets down on the ocean floor, a locking mechanism is actuated to lock the rotating shaft thus preventing any further cable pay out.
REFERENCES:
patent: 1219530 (1917-03-01), Barnales
patent: 3309649 (1967-03-01), Ballard
patent: 3597778 (1971-08-01), Castelliz
patent: 3786403 (1974-01-01), Will
patent: 3818524 (1974-06-01), Starkey
patent: 3991475 (1976-01-01), Segrest
patent: 4136415 (1979-01-01), Blockburger
McGraw Edward W.
Phillips Charles A.
Pitrone John A.
Blix Trygve M.
Goodyear Aerospace Corporation
Keen D. W.
Milliken P. E
Oldham E. W.
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