Device for supplying breathing gas to a diver

Details Device for supplying breathing gas to a diver Device for supplying breathing gas to a diver

1990-03-20

1991-10-01

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820524, A62B 704

Patent

active

050523830

ABSTRACT:
Apparatus to supply breathing gas to a diver. A pressure-reducing valve is opened and closed by a piston actuated by an extended rod whose end is coupled to an articulated control lever which is driven by a diaphragm. By increasing the distance from the articulated lever, through the rod to the pressure-reducing valve, the risk of icing caused by cooling energy generated at the pressure-reducing valve when the diver operates in very cold water is eliminated.

REFERENCES:
patent: 4094314 (1978-06-01), Le Cornec
patent: 4192298 (1980-03-01), Ferraro et al.
patent: 4219017 (1980-08-01), Shamlian
patent: 4337766 (1982-07-01), Feathers
patent: 4572175 (1986-02-01), Flynn
patent: 4572176 (1986-02-01), Walther
patent: 4616645 (1986-10-01), Pedersen et al.
patent: 4798202 (1989-01-01), Chambonnet

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