Cryogenic heat exchanger

Details Cryogenic heat exchanger Cryogenic heat exchanger

1981-07-10

1984-12-11

Richter, Sheldon J.

Heat exchange

With repair or assembly means

62 52, 165183, F28F 120

Patent

active

044872569

ABSTRACT:
A heat exchanger for vaporizing a cryogenic fluid comprises a conduit through which the fluid is passed and a heat transfer sleeve surrounding the conduit. The sleeve is comprised of two heat transfer sections, each having a central arcuate portion in close partial circumferential contact with the conduit, a plurality of radially extending heat transfer fins, and a pair of interlocking members located on the fins at a predetermined distance from the central portion for assembling the two sections together around the conduit. In the assembled state, the resiliency of the fins on which the interlocking members are located provides a continuous clamping for which permits the two central portions to maintain intimate contact with the conduit as it undergoes thermal contraction, while also facilitating assembly and disassembly of the two sections. Each heat transfer fins is also provided with a corrugated or rippled surface near its tip to increase its surface area and the rate of heat transfer and vaporization.

REFERENCES:
patent: 1841380 (1932-01-01), Phelps et al.
patent: 2405722 (1946-08-01), Villier
patent: 3280907 (1966-10-01), Hoffman
patent: 3672446 (1972-06-01), Tibbetts et al.
patent: 4158908 (1979-06-01), Block et al.
patent: 4367791 (1983-01-01), Asami
Hex Industries, Inc., "Installation and Operation Instructions, VAN-804 Vaporizer Modules", 3/26/76.
Cryo-Chem, Inc. Air Vaporizers, 9/79.

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