Method and means for preventing coupling freezing

Details Method and means for preventing coupling freezing Method and means for preventing coupling freezing

1983-03-28

1984-07-31

Capossela, Ronald C.

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

62 55, 285 41, 285DIG5, 403 23, F25B 3902

Patent

active

044622236

ABSTRACT:
Freezing of ice on quick connect couplings during transfer of a cryogenic liquid, such as liquid oxygen, from one container to another is prevented by providing a cup-like shield means encircling the body of the coupling. Cold, dry purge gas from the container being filled is introduced into the shield base at a point remote from its open end while the cryogenic liquid is passing through the coupling.

REFERENCES:
patent: 2764873 (1956-10-01), Mooyaart
patent: 2964918 (1960-12-01), Hansen et al.
patent: 3488067 (1970-01-01), Sommer
patent: 4168921 (1979-09-01), Blanchard

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