Surgery – Respiratory method or device – Using liquified oxygen
Patent
1998-01-16
2000-07-18
Weiss, John G.
Surgery
Respiratory method or device
Using liquified oxygen
128DIG27, A62B 706
Patent
active
060892269
ABSTRACT:
A system and method for storage and delivery of a cryogenic mixed gas is disclosed, the storages apparatus including a compact and lightweight dewar for containing cryogenic temperature mixed gas at supercritical pressure. Different heat exchangers associated with the dewar provide for heat input to the dewar to maintain gas therein in a single phase and provide continued expulsion energy. A backpack receives the dewar and includes means for quick connect of the dewar with an end use outlet, intermediate heat exchangers in the backpack conditioning the mixed gas for end use. No electrical input for fluid circulation is required.
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Aerospace Design & Development, Inc.
Burdick Harold A.
Weiss John G.
Weiss, Jr. Joseph F.
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