Pressure compensation method and apparatus for underwater equipm

Details Pressure compensation method and apparatus for underwater equipm Pressure compensation method and apparatus for underwater equipm

1990-03-30

1990-08-14

Gellner, Michael L.

Ships

Submersible device

116 27, 354 64, G03B 1708, B63G 800, B63B 4504

Patent

active

049477838

ABSTRACT:
A method and apparatus for pressure compensating an underwater housing by blowing up a balloon and sealing the balloon mouth around a conduit to pneumatically connect the balloon to the interior of the housing. The balloon is configured to change its appearance either structurally or via indicia to provide a variable indication as to what depth it will provide compensating air. The indication varies in response to the amount the balloon stretches to accommodate the air forced into the balloon as it is blown up.

REFERENCES:
patent: 1131712 (1915-03-01), Klein
patent: 3162107 (1964-12-01), Byers
patent: 3717078 (1973-02-01), Ogura
patent: 3759605 (1973-09-01), Johnson
patent: 4041507 (1977-08-01), Ko et al.
patent: 4113137 (1978-09-01), Wind
patent: 4281343 (1981-07-01), Monteiro
patent: 4763145 (1988-08-01), Takamura et al.
patent: 4771299 (1988-09-01), Gell, Jr.
patent: 4771320 (1988-09-01), Gell
patent: 4853722 (1989-08-01), Gell, Jr.

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