Device with adjustable buoyancy with pressure compensation

Details Device with adjustable buoyancy with pressure compensation Device with adjustable buoyancy with pressure compensation

1993-04-19

1996-09-03

Ricci, John A.

Hydraulic and earth engineering

Diving

Suit or accessory therefor

405185, B63C 1108

Patent

active

055518001

ABSTRACT:
The device for buoyancy is intended to be used by scuba divers. It allows the adjustment of its buoyancy and keeps this buoyancy constant even at changing water pressure. Its weight is low. The device works with a mechanism for pressure control. The controller keeps the pressure difference between the inside and the outside of the tank constant. The walls of the tank are expandable to allow the adjustment of the displaced volume.

REFERENCES:
patent: 2742654 (1956-04-01), Hurt
patent: 3695048 (1972-10-01), Dimick
patent: 3820348 (1974-06-01), Fast
patent: 3877098 (1975-04-01), Braly
patent: 3964266 (1976-06-01), Bartlett
patent: 4114389 (1978-09-01), Bohmrich et al.
patent: 4187796 (1980-02-01), Ess
patent: 4324507 (1982-04-01), Harrah
patent: 4437790 (1984-03-01), Trop
patent: 4601609 (1986-07-01), Hyde

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