Breathing regulator apparatus

Details Breathing regulator apparatus Breathing regulator apparatus

1986-01-21

1989-01-10

Coven, Edward M.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

137494, 137908, 12820425, A62B 704

Patent

active

047966181

ABSTRACT:
A breathing regulator especially suited for use in scuba diving comprises an externally adjustable flow vane or deflector to redirect a portion of inlet high velocity air towards the diaphragm of a venturi initiated vacuum assist-type regulator configuration. The flow vane interrupts and redirects a selected portion of the air stream thereby balancing the low pressure area adjacent the diaphragm at a constant level throughout the breathing cycle. As a result, the diver can adjust his inhalation effort requirements to be constant throughout the breathing cycle.

REFERENCES:
patent: 2728340 (1955-12-01), Meidenbauer, Jr.
patent: 4016746 (1977-03-01), Pedersen
patent: 4041977 (1977-08-01), Matsuno
patent: 4076041 (1978-02-01), Christianson
patent: 4140113 (1979-02-01), Pedersen
patent: 4147146 (1979-04-01), Christianson
patent: 4214580 (1980-07-01), Pedersen
patent: 4446889 (1984-05-01), Pedersen
patent: 4616645 (1986-10-01), Pedersen et al.

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