F - Mech Eng,Light,Heat,Weapons – 25 – D
Patent
F - Mech Eng,Light,Heat,Weapons
25
D
F25D 3/11 (2006.01) F25B 40/02 (2006.01) F25D 29/00 (2006.01)
Patent
CA 2159523
A liquid cryogen delivery system for providing liquid cryogen to a use point, such as a freezer, at a constant temperature employing a subcooler for use disposed between the cryogen source and use point wherein expanding fluid flows countercurrently and annularly to the cryogen in a controlled manner responsive to pressure differences between the liquid and a reference pressure.
Système d'alimentation d'un point d'utilisation, comme un congélateur, en liquide cryogénique à température constante, comportant un sous-refroidisseur situé entre la source de liquide cryogénique et le point d'utilisation. Dans le sous-refroidisseur, le fluide en expansion coule à contre-courant et autour du liquide cryogénique de manière contrôlée en réaction aux différences de pression entre le liquide et une pression de référence.
Praxair Technology Inc.
Sim & Mcburney
LandOfFree
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