Heat exchanger

Details Heat exchanger Heat exchanger

1977-12-05

1979-09-25

Husar, C. J.

Heat exchange

Flow passages for two confined fluids

62238, 165135, 165156, F28D 710

Patent

active

041687450

ABSTRACT:
A heat exchanger comprising a refrigerant tube in coil form leading from the output side of a compressor and a water tube in coil form tapped from a source of water to be heated, the tubes being coiled together so that each coil of the water tube is interposed between a coil of said refrigerant tube, and vice-versa. Inner and outer cylindrical sleeves are disposed within and around the coiled tubes thereby defining an annulus which enhances the heat transfer from said refrigerant tube to the water tube. A housing surrounds said coiled tubes and said sleeves, and sealed end caps are provided at each end of the exchanger.

REFERENCES:
patent: 1740300 (1929-12-01), Heuszey
patent: 1904361 (1933-04-01), Egloff et al.
patent: 1937288 (1933-11-01), McGraw
patent: 1965553 (1934-07-01), Lear
patent: 1971242 (1934-08-01), Wheeler
patent: 2125842 (1938-08-01), Eggleston
patent: 2278889 (1942-04-01), Maiuri
patent: 2621903 (1952-12-01), Cohler
patent: 2690649 (1954-10-01), Borgerd
patent: 2716866 (1955-09-01), Silva
patent: 2783618 (1957-03-01), Mills
patent: 3285334 (1966-11-01), Pasternak
patent: 3739842 (1973-06-01), Whalen
patent: 3922876 (1975-12-01), Wetherington et al.

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