Flow turning cryogenic heat exchanger

Details Flow turning cryogenic heat exchanger Flow turning cryogenic heat exchanger

1994-08-05

1996-05-28

Capossela, Ronald C.

Refrigeration

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

62467, 60520, F25B 900

Patent

active

055199992

ABSTRACT:
A cryogenic heat exchanger, such as a pulse tube cryogenic heat exchanger, is provided wherein the chilled heat transfer connection point can be conveniently disposed at an "apex." The heat exchanger has a bridging chamber with a first opening and a second opening. Disposed within the bridging chamber is a plurality of fins disposed longitudinally between the first opening and the second opening so as to partition the bridging chamber into a plurality of parallel longitudinal channels of equal cross-section. The first opening and the second opening are disposed at an angle to one another, so that a heat transfer gas flowing through the heat exchanger, changes direction within the bridging chamber.

REFERENCES:
patent: 5107683 (1992-04-01), Chan et al.
patent: 5269147 (1993-12-01), Ishizaki et al.
patent: 5275002 (1994-01-01), Inoue et al.
Tward, et al. Article entitled "Pulse Tube Refrigerator Performance," Preprint Advances in Cryogenic Engineering, V35, (1989).
C. K. Chan, et al., Article entitled "Miniature Pulse Tube Cooler," 7th Int'l Cryocooler Conference, Apr. 1993.

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