Heat exchanger

Details Heat exchanger Heat exchanger

1986-09-08

1988-02-02

Davis, Jr., Albert W.

Heat exchange

Flow passages for two confined fluids

165183, F28D 702, F28F 114

Patent

active

047223880

ABSTRACT:
A heat exchanger has a primary circuit formed by a serpentine tube with parallel sections spaced to receive open ended tubes preferably of the same diameter between and around the primary tube sections in the natural arrangement of six about one. A secondary fluid may pass through these open-ended tubes in lengthwise manner and over the return bends of the primary circuit, lengthening the distance for contact and enhancing heat transfer. This arrangement permits a more compact heat exchanger and greater utilization of heat transfer surfaces. A pair of the exchangers can be operated as evaporators in series in alternating sequence for continuous defrosting.

REFERENCES:
patent: 596330 (1897-12-01), Maiche
patent: 1920800 (1933-08-01), McCausland
patent: 1961070 (1934-05-01), Murphy
patent: 2751199 (1956-06-01), Williams
patent: 3224503 (1965-12-01), Komanz
patent: 3380518 (1968-04-01), Canteloobe et al.
patent: 3460613 (1969-08-01), Kritzer
patent: 3656547 (1972-04-01), Beach

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