Low-temperature refrigeration system with precise temperature co

Details Low-temperature refrigeration system with precise temperature co Low-temperature refrigeration system with precise temperature co

1997-02-21

1998-05-12

Kilner, Christopher

Refrigeration

Intermediate fluid container transferring heat to heat...

Flow line connected transfer fluid supply and heat exchanger

62 511, 62 512, 62201, F25D 1702, F25B 1900

Patent

active

057492433

ABSTRACT:
A low-temperature refrigeration system (10) is disclosed for accurately maintaining an instrument (11) with a time varying heat output at a substantially constant predetermined cryogenic temperature. The refrigeration system (10) controls the temperature of the instrument (11) by accurately adjusting the pressure of coolant at a heat exchanger interface (12) associated with the instrument (11). The pressure and flow of coolant is adjusted through the use of one or two circulation loops and/or a non-mechanical flow regulator (24) including a heater (32). The refrigeration system further provides a thermal capacitor (16) which allows for variation of the cooling output of the system (10) relative to a cooling output provided by a cooling source (14).

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