Hydraulic and earth engineering – Diving – Suit or accessory therefor
Patent
1998-11-02
1999-12-07
Bagnell, David
Hydraulic and earth engineering
Diving
Suit or accessory therefor
405185, 114315, B63C 1102, B63C 1146
Patent
active
059972165
ABSTRACT:
A neutral buoyancy auto-balancer eliminates the need for complex manipulation and operation in accordance with a change in diving depth. The auto-balancer automatically follows, rapidly and precisely, the change in diving depth by natural breathing during diving, and resolves the risk of failure of air-trapping not only in the vertical position but also in a slanted position to automatically follow a working posture of the diver. The neutral buoyancy auto-balancer comprises a weight 4 which radially outwardly extends from a shaft 14 which is rotatably supported at central holes 121, 131 of a cylinder 11 body. A nozzle 22 of an inlet duct 2 is fixed in the opposite direction to the projected weight 4. An inlet port 32 of an outlet duct 3 for both air evacuation and feed and drainage of water radially outwardly opens in the same direction as the weight 4. An angular displacement adjusting means 6 of the outlet port is provided for operably adjusting the direction of the outlet port with respect to the weight at any desired angle, and an initializer means 5 is provided for initializing a water level of the cylinder.
REFERENCES:
patent: 3820348 (1974-06-01), Fast
patent: 4009583 (1977-03-01), Buckle
patent: 4608940 (1986-09-01), Bullin
patent: 4926398 (1990-05-01), Fincher
patent: 5445475 (1995-08-01), Fujino
patent: 5707177 (1998-01-01), Lehrer et al.
patent: 5738557 (1998-04-01), Biesecker
Bagnell David
Lee Jong-Suk
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