Surgery – Respiratory method or device – Draw-type snorkel
Patent
1985-04-04
1987-04-07
Recla, Henry J.
Surgery
Respiratory method or device
Draw-type snorkel
B63C 1118, B63C 1116
Patent
active
046552120
ABSTRACT:
A diving snorkel assembly (10) including a snorkel tube (12) having an air inlet end (14) and a mouthpiece (16). The snorkel tube (12) defines a fluid passageway (18) extending between the end (14) of the tube (12) and the mouthpiece (16). An exhaust valve (24) is disposed between the mouthpiece (16) and the end (14) of the tube (12) for allowing one-way exhaust of fluid from the fluid passageway (18). An exhaust baffle (26) extends across the fluid passageway (18) adjacent to the exhaust valve (24) for establishing an exhaust fluid flow from the mouthpiece (16) through the fluid passageway (18) toward the exhaust valve (24) in response to air pressure from the mouthpiece (16).
REFERENCES:
patent: 3860042 (1975-01-01), Green
patent: 4071024 (1978-01-01), Blanc
patent: 4278080 (1981-07-01), Schuch
patent: 4467797 (1984-08-01), Franke
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