Pulse tube cooling by circulation of buffer gas

Details Pulse tube cooling by circulation of buffer gas Pulse tube cooling by circulation of buffer gas

2007-12-11

2007-12-11

Doerrler, William C (Department: 3744)

Refrigeration

Gas compression, heat regeneration and expansion, e.g.,...

Reexamination Certificate

active

10500786

ABSTRACT:
The present invention applies to single or two stage pulse tube refrigerators that have one or more passive orifices at the hot end(s) of the pulse tube(s) through which gas flows to achieve phase shifting and the phase shifting gas flow circulates to a remote heat sink by adding check valves and an appropriate piping circuit.

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patent: 04-225755 (1992-08-01), None
patent: 404225755 (1992-08-01), None

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