In-line first stage air pressure regulator for use in scuba divi

Details In-line first stage air pressure regulator for use in scuba divi In-line first stage air pressure regulator for use in scuba divi

1993-03-05

1994-11-29

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820418, 13750525, A62B 902, F16K 31122

Patent

active

053680227

ABSTRACT:
An in-line air pressure regulator for scuba diving is designed to augment an independent air supply system in the event of a failure of the primary pressure regulator. The in-line air pressure regulator comprises a small, encapsulated, spring-biased valve which is designed to reduce tank pressure to a level which is compatible with the spare, or backup, second stage regulator. In effect, it is a simplified auxiliary primary air pressure regulator.

REFERENCES:
patent: 3017881 (1962-01-01), Smith
patent: 3890999 (1975-06-01), Moskow
patent: 4004603 (1977-01-01), Jones
patent: 4098290 (1978-07-01), Glenn
patent: 4181139 (1980-01-01), Martini
patent: 5038774 (1991-08-01), Chabert
patent: 5135023 (1992-08-01), Ross
patent: 5190030 (1993-03-01), Semeia
patent: 5209224 (1993-05-01), Nelepka
patent: 5233976 (1993-08-01), Ferguson

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