Joule-Thompson cryostat for use with multiple coolants

Details Joule-Thompson cryostat for use with multiple coolants Joule-Thompson cryostat for use with multiple coolants

1995-06-08

1996-08-27

Kilner, Christopher

Refrigeration

Cryogenic treatment of gas or gas mixture

Liquefaction

244 316, 250352, F25B 1902

Patent

active

055489630

ABSTRACT:
A demand-flow Joule-Thomson cryostat 10' adapted for use with multiple coolants uses a replaceable coolant supply reservoir 21' to fill a coolant flow control bellows 17' within the cryostat with the same coolant used to provide refrigeration to the thermal load 15'. Upon termination of the cooling cycle, the bellows 17' is drained of coolant and thus prepared for operation from a different coolant supply 21' that may contain a different cryogen.

REFERENCES:
patent: 3269140 (1966-08-01), Peterson et al.
patent: 3413819 (1968-12-01), Hansen
patent: 3640091 (1972-02-01), Buller et al.
patent: 3827252 (1974-08-01), Chovet et al.
patent: 4056745 (1977-11-01), Eckels
patent: 4570457 (1986-02-01), Campbell
patent: 5003783 (1991-04-01), Keale
patent: 5077979 (1992-01-01), Skertic et al.
patent: 5357759 (1994-10-01), Segev et al.

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