Flexible transfer line exhaust gas shield

Details Flexible transfer line exhaust gas shield Flexible transfer line exhaust gas shield

1989-10-17

1991-12-17

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

Liquified gas transferred as liquid

138112, 138114, F17C 1300

Patent

active

050725912

ABSTRACT:
A flexible transfer line for delivering coolant from a storage dewar to cool superconducting circuitry is provided with a delivery capillary coupled to the storage dewar, this capillary being thermally isolated from ambient temperatures. The transfer line has an outer flexible support coaxial with the delivery capillary, and an inner flexible shield between the delivery capillary and the outer flexible support. Heat in the shield is continuously removed to thereby provide the thermal isolation of the delivery capillary. The thermal isolation allows a low-flow rate of coolant through the delivery capillary since inefficiences due to thermal conduction and radiation are substantially eliminated.

REFERENCES:
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patent: 3440830 (1969-04-01), Wright et al.
patent: 3466886 (1969-09-01), Doose et al.
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patent: 4011732 (1977-03-01), Doherty et al.
patent: 4036618 (1977-07-01), Leonard et al.
patent: 4745760 (1988-05-01), Porter

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