Refrigeration – Storage of solidified or liquified gas – Liquified gas transferred as liquid
Patent
1979-03-12
1980-07-08
Capossela, Ronald C.
Refrigeration
Storage of solidified or liquified gas
Liquified gas transferred as liquid
62 55, 12820121, 141 5, 222 3, F17C 702
Patent
active
042110866
ABSTRACT:
A cryogenic breathing system comprises a storage container and a portable container. Both containers, include outer casings and inner containers having small connected openings at their top and providing an evacuable space between their outer casings and inner containers. Material to inhibit heat transfer through the evacuable space is included in this space between the outer casings and inner containers of both containers. The openings of both containers are closed with gas-tight closures fastened to their outer casings. The gas-tight closures can carry, through the single openings in the containers, means to withdraw oxygen for breathing, liquid level indicating means and a mechanical structure to protect the liquid level indicating means, means to admit or withdraw liquid oxygen from the inner container, and means to admit heat to the inner container, as may be desired.
The portable container is connectable to and fillable from the storage container through the connecting means carried by their respective gas-tight closures by rotating the portable container and engaging the complementary surfaces of the two connecting means and allowing the portable container to return to its vertical position, to open a check valve of the second connecting means, and to lock the portable container to the storage container for filling. Breathing coils on the outer casings of the containers communicate with their inner containers, and flow of gaseous oxygen from the breathing coils can be controlled by an adjustable valve and preset pressure controls of the containers.
REFERENCES:
patent: 3199303 (1965-08-01), Haumann et al.
patent: 3797262 (1974-03-01), Eigenbrod
patent: 3941124 (1976-03-01), Rodewald et al.
patent: 3946572 (1976-03-01), Bragg
patent: 4018582 (1977-04-01), Hinds et al.
Hulstyn Jan
Leonard Rex D.
Beatrice Foods Company
Capossela Ronald C.
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