Snorkel valve assembly

Details Snorkel valve assembly Snorkel valve assembly

1985-03-18

1986-09-09

Recla, Henry J.

Surgery

Respiratory method or device

Draw-type snorkel

12820524, B63C 1116

Patent

active

046102469

ABSTRACT:
A snorkel valve assembly (34) including a sleeve (28) having a rim (30) and defining an opening (32). The assembly (34) includes a diaphragm member (36) having a peripheral sealing surface (38) for selectively sealing off the opening (32) by sealing engagement of the sealing surface (38) with the rim (30). The diaphragm member (36) has a pushed closed position wherein fluid flow within the sleeve (28) draws the sealing surface (38) of the diaphragm member (36) into sealing engagement with the rim (30) and a neutral position when there is no fluid flow within the sleeve (28) space wherein at least a portion of the sealing surface (38) is spaced from the seating rim (30).

REFERENCES:
patent: 1867478 (1932-07-01), Stelzner
patent: 3990439 (1976-11-01), Klinger
patent: 4040428 (1977-08-01), Clifford
patent: 4325366 (1982-04-01), Tabor

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