F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
F26B 5/06 (2006.01) F25D 17/00 (2006.01) F25D 29/00 (2006.01) F26B 9/06 (2006.01) F26B 21/10 (2006.01)
Patent
CA 2282866
A method and apparatus for controlling the temperature of a freeze drying chamber shelves and chamber in a refrigeration system having a condenser operatively associated therewith using the circulation of a cryogen through the condenser and of a cryogenically cooled heat transfer fluid through the chamber shelves for controlling the temperature therein, and also where the temperature of the cryogenically cooled heat transfer fluid having been regulated by an exchange of heat with the cryogen.
Cheng Alan Tat Yan
Finan Donald Stuart Sr.
Praxair Technology Inc.
Sim & Mcburney
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