Double-wall tube heat exchanger

Details Double-wall tube heat exchanger Double-wall tube heat exchanger

1986-10-01

1988-05-17

Davis, Jr., Albert W.

Heat exchange

With leakage collector

165133, 138148, F28F 916

Patent

active

047444126

ABSTRACT:
A heat exchanger utilizes a double walled heat transfer tube wherein the inner tube has a knurled external surface engaging the inner surface of an outer tube to provide multiple interconnected leak paths. The inner and outer tubes are attached to inner and outer tube sheets by roller expansion.

REFERENCES:
patent: 4635711 (1987-01-01), Clark, Jr.

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