Dual buoyancy device

Details Dual buoyancy device Dual buoyancy device

1979-10-18

1981-09-01

Blix, Trygve M.

Ships

Submersible device

Having attitude control

114121, 114124, 114125, 92101, B63G 814

Patent

active

042865395

ABSTRACT:
A dual buoyancy device having two external dimensions, in the smaller of which, one end is closed by an elastic sheet undistended, and in the greater of which the sheet is distended from its normal position thereby increasing the external dimension of the device; the distention of the sheet is accomplished by a thruster member bearing on the sheet which thruster is impelled by a weight and lever system actuated by gravity, which causes the thruster to distend the sheet.

REFERENCES:
patent: 3254573 (1966-06-01), Prell
patent: 3314365 (1967-04-01), Ritchie
patent: 3520263 (1970-07-01), Berry
patent: 3753311 (1973-08-01), Boone
patent: 3943869 (1976-03-01), Frechette
patent: 4183316 (1980-01-01), Bennett

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