Liquid coolant transfer device

Details Liquid coolant transfer device Liquid coolant transfer device

1981-04-20

1982-11-02

Capossela, Ronald C.

Refrigeration

Low pressure cold trap process and apparatus

62505, 277203, 277215, 310 54, 310 64, F17C 702

Patent

active

043567002

ABSTRACT:
A cryogenic liquid coolant transfer device enhances flow of a liquified gas in the inboard direction by the incorporation of a threaded insert in the rotating inlet pipe of a superconducting rotor. The threads of the device also facilitate the reverse flow of liquid helium back into a stationary supply tube during fault conditions. The objective of the insert, during both normal and abnormal conditions, is to inhibit the flow of liquid coolant into the clearance gap that exists between rotating and stationary parts of the liquified gas transfer system.

REFERENCES:
patent: 2973629 (1961-03-01), Lady
patent: 3991588 (1976-11-01), Laskaris
patent: 4035678 (1977-07-01), Lambrecht et al.
patent: 4048529 (1961-09-01), Pomeroy et al.
"Wildback Seals-A Simple Theory And Design Method And The Main Practical Limitations", Crease, A. B., 7th International Conference on Fluid Sealing, Sep. 24-26th, 1975.

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