Second stage scuba regulator with balanced piston volume control

Details Second stage scuba regulator with balanced piston volume control Second stage scuba regulator with balanced piston volume control

1992-06-19

1993-11-09

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820426, 137315, 137908, A62B 704

Patent

active

052593754

ABSTRACT:
A second stage scuba regulator is provided which includes inlet for receiving a supply of compressed air and a piston valve in communication with the inlet for causing air flow through the regulator when the piston valve is opened. A lever is provided for opening and closing of the piston valve, and an air volume controller is provided, which is independently operable from the lever for varying the amount of air flow through the regulator when the piston valve is opened by the lever.

REFERENCES:
patent: 3783891 (1974-01-01), Christianson
patent: 4140112 (1979-02-01), Kobzan
patent: 4214580 (1980-07-01), Pederson
patent: 4266538 (1981-05-01), Ruchti
patent: 4437460 (1984-03-01), Glynn
patent: 4446859 (1984-05-01), Pedersen
patent: 4630605 (1986-12-01), Pasternack
patent: 4850346 (1989-07-01), Michel
patent: 4966196 (1990-10-01), Meyer
patent: 5035238 (1991-07-01), Christianson

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