Method for bonding a heat exchanger fin to a tube

Details Method for bonding a heat exchanger fin to a tube Method for bonding a heat exchanger fin to a tube

1977-07-22

1980-03-11

Crane, Daniel C.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

228183, 228254, 165182, B23P 1526

Patent

active

041920520

ABSTRACT:
The fins of a heat exchanger are brazed to the exterior of the fluid-carrying tube by means of a lower melting point cladding on the tube which forms a secure bond between the tube surface and the unconfigured portion of the perimeter of the tube-receiving holes in the fins. The fins have a limited number of narrow tabs doubled back from the edge of each hole to function as longitudinal spacers between adjacent fins.

REFERENCES:
patent: 1998664 (1935-04-01), Erbach
patent: 2402262 (1946-06-01), Sewell
patent: 2427336 (1947-09-01), Askin
patent: 2553142 (1951-05-01), McCreary
patent: 2737370 (1956-03-01), Frisch et al.
patent: 3866668 (1975-02-01), Doerner

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