Compact heat exchanger for a cryogenic refrigerator

Details Compact heat exchanger for a cryogenic refrigerator Compact heat exchanger for a cryogenic refrigerator

1988-11-14

1990-08-21

Capossela, Ronald C.

Refrigeration

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

62515, 165174, F25B 3902

Patent

active

049495461

ABSTRACT:
A heat exchanger has a set of tubes through which fluid pass. In thermal communication with these tubes are fins of high thermal conductivity material which disperse the heat contained within the fluid. Also useful in dispersing the heat contained within the passing fluid are rods inserted within the tubes to substantially decrease the hydraulic diameter of the tubes. This heat exchanger may be used in a cryogenic refrigeration system which also includes a compressor for compressing refrigerant gas, a separator for separating refrigerant gas and oil used by the compressor, and a cryogenic refrigerator for expanding the refrigerant gas.

REFERENCES:
patent: 1816159 (1931-07-01), Smith
patent: 2905447 (1959-09-01), Huet
patent: 3318375 (1967-05-01), Linder
patent: 4693736 (1987-09-01), Klusmier
patent: 4799359 (1989-01-01), Nicoll
Heat Transfer, Inc.; Sunstrand.RTM. Sales Pamphlet.
Sphere Matrix.RTM. Sales Pamphlet; Vapor Corporation; Heat Exchange Products.
Noranda Sales Pamphlet.

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