Light weight scuba with buoyancy control

Details Light weight scuba with buoyancy control Light weight scuba with buoyancy control

1996-01-11

1997-08-26

Graysay, Tamara L.

Hydraulic and earth engineering

Diving

Suit or accessory therefor

441114, 441 96, 224934, B63C 1102

Patent

active

056605030

ABSTRACT:
Scuba apparatus utilizes light-weight pressure vessels, or tanks, of relatively thin aluminum wrapped with fiber in a resin binder. Since such tanks are not approved for use in water, the tanks are enclosed within a water tight enclosure, and the enclosure in pressurized to exclude all water. A connection for filling the tanks extends through the enclosure, a burst disk is provided externally of the enclosure, and connections for the scuba mask and other accessories are provided. An automatically adjusting buoyancy control may be included within the enclosure in space not occupied by the tanks. A container fits within the void, and a flexible bladder is within the container. Water can be allowed to flow into the bladder, and air under pressure fills the balance of the container and balances ambient pressure. The size of the container cannot change, and the amount of water remains fixed, so the buoyancy remains fixed.

REFERENCES:
patent: 3969812 (1976-07-01), Beck
patent: 4009583 (1977-03-01), Buckle
patent: 4054132 (1977-10-01), Deeds
patent: 4062356 (1977-12-01), Merrifield
patent: 4671831 (1987-06-01), Mohan

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