Method of manufacturing a concentric tube heat exchanger

Details Method of manufacturing a concentric tube heat exchanger Method of manufacturing a concentric tube heat exchanger

1976-10-28

1978-06-27

Lanham, C.W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

165182, 165141, 165154, B23P 1526

Patent

active

040966160

ABSTRACT:
A method is provided for manufacturing a concentric-tube heat exchanger which includes at least a pair of concentric tubes disposed one within the other to form an annular longitudinally extending flow channel in which a plurality of heat transfer promoting fins reside. The method includes the step of applying a radially directed force to one of the pair of concentric tubes in sufficient magnitude to permanently deform the tube into engagement with the plurality of heat transfer promoting fins.

REFERENCES:
patent: 2693026 (1954-11-01), Simpelaar
patent: 2703921 (1955-03-01), Brown, Jr.
patent: 3158122 (1964-11-01), DeGive
patent: 3636607 (1972-01-01), DeMarco

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