Automatic buoyancy compensator with electronic vertical motion

Details Automatic buoyancy compensator with electronic vertical motion Automatic buoyancy compensator with electronic vertical motion

1995-03-23

1996-03-05

Tsay, Frank S.

Hydraulic and earth engineering

Diving

Suit or accessory therefor

441 96, B63C 1102

Patent

active

054961360

ABSTRACT:
An improved buoyancy compensator that reduces the scuba diver's attention and exertion required for buoyancy control and vertical propulsion. The buoyancy compensator, which includes an electronic sensor/valve assembly and a flexible air bladder, automates and controls the vertical motion of the scuba diver. An embedded computer acquires pressure, temperature, and air flow sensor measurement data to determine the diver's vertical motion and the amount of the air in the bladder. The computer controls electronic fill and release valves to change the bladder air volume. Algorithms are implemented, by the computer, to automate controlled vertical propulsion for ascending and descending, neutral buoyancy maintenance, and surface operation. Automated transitions are provided between modes of operation and for a timed safety stop during the ascent from the dive.

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