F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
F25B 9/10 (2006.01) F01B 29/10 (2006.01) F25B 9/14 (2006.01)
Patent
CA 2059277
2059277 9116581 PCTABS00008 A technique for producing a cold environment in a refrigerant system in which input fluid from a compressor (11) at a first temperature is introduced into an input channel (18) of the system and is pre-cooled to a second temperature for supply to one of at least two stages of the system (13, 14) and to a third temperature for supply to another stage (15) thereof. The temperatures at such stages are reduced to fourth and fifth temperatures below the second and third temperatures, respectively. Fluid at the fourth temperature from the one stage is returned through the input channel to the compressor and fluid at the fifth temperature from the other stage is returned to the compressor through an output channel (24) so that pre-cooling of the input fluid to the one stage occurs by regenerative cooling and counterflow cooling and pre-cooling of the input fluid to the other stage occurs primarily by counterflow cooling.
Boreas Inc.
Smart & Biggar
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