Diving regulator demand valve with baffles to reduce breathing e

Details Diving regulator demand valve with baffles to reduce breathing e Diving regulator demand valve with baffles to reduce breathing e

1993-06-03

1995-08-01

Asher, Kimberly L.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820128, 12820426, 137469, 137494, A61M 1600, A62B 704, F16K 3126, F16K 1720

Patent

active

054372682

ABSTRACT:
A breathing regulator for use in underwater breathing comprising a diaphragm and poppet actuated upon user demand. The poppet including at least one baffle located intermediate its ends wherein when air is demanded by a user of the regulator air travels through the valve and continuously impinges upon the baffle and reduces the effort of the user required to operate the valve. The regulator further comprises a sleeve which is concentric about the air passage chamber which facilitates more efficient air delivery to the user. The sleeve is selectively controlled by the user either to enhance the venturi flow of air or to cancel the venturi effect, dependent upon the needs of the user.

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patent: 4834086 (1989-05-01), Garofalo
patent: 4889115 (1989-12-01), Bozano

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