Heat exchanger tube

Details Heat exchanger tube Heat exchanger tube

1981-04-07

1984-03-27

Cline, William R.

Heat exchange

Radiator core type

Serially connected tube sections

165172, 165184, 291573AH, F28F 136

Patent

active

044388080

ABSTRACT:
A spine fin heat exchanger is disclosed in which the density of the spine fins is greater along the portions of the passes within the pattern of high flow of air or the like across the heat exchanger. Those portions of the tubing at the bends and outside such pattern are formed with a lower spine fin density. Such lower density outside the patterns and at the bends does not materially reduce the overall heat exchange capacity of the heat exchanger, and results in a heat exchanger where less material and time are required to form the heat exchanger without any significant loss in its capacity. The heat exchanger is preferably formed by changing the rate of feed of the tube as it feeds through the winding head to increase the amount of stretch of the spine fin strip along the zones of low density compared to the amount of stretch in the strip along the zone of high density. Consequently, the same amount of material is required for each wrap along both zones.

REFERENCES:
patent: 1524520 (1925-01-01), Junkers
patent: 1909005 (1933-05-01), Paugh
patent: 2087723 (1937-07-01), McCord
patent: 2225773 (1940-12-01), Dufault
patent: 2234423 (1941-03-01), Wittman
patent: 2440803 (1948-05-01), Lea
patent: 2868515 (1959-01-01), Garland
patent: 3877517 (1975-04-01), Pasternak
patent: 4165214 (1979-07-01), Wendel

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