Liquid nitrogen capillary heat exchanger

Details Liquid nitrogen capillary heat exchanger Liquid nitrogen capillary heat exchanger

1994-12-27

1996-12-10

Kilner, Christopher

Refrigeration

Storage of solidified or liquified gas

Liquified gas transferred as liquid

62 504, 165DIG183, F17C 902

Patent

active

055820158

ABSTRACT:
A liquid nitrogen capillary tube heat exchanger comprises a vertical array of alternating vaporization chambers and pressure control chambers connected together in series. The vaporization chambers each have a plurality of capillary tubes mounted in exterior loops along the exterior of the chamber in communication with liquid nitrogen in the chamber. The capillary tubes provide a contolled rate of vaporization of the liquid nitrogen and increased exterior surface area to facilitate refrigeration. The pressure control chambers are filled with copper filings and a dessicant.

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patent: 3058317 (1962-10-01), Putman
patent: 3662561 (1972-05-01), Schroeder
patent: 3714793 (1973-02-01), Eigenbrod
patent: 4566284 (1986-01-01), Werley
patent: 5157944 (1992-10-01), Hughes et al.
patent: 5199275 (1993-04-01), Martin
patent: 5267446 (1993-12-01), Viegas et al.

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