Heat exchange – With repair or assembly means
Patent
1977-07-25
1979-10-30
Richter, Sheldon Jay
Heat exchange
With repair or assembly means
165150, 165151, 165172, 165178, 2853323, 2853345, 285382, F28F 926
Patent
active
041724968
ABSTRACT:
A heat exchanger assembly of the type having a heat transfer core element which includes a plurality of fins in parallel stacked relationship for defining heat transfer surfaces and a plurality of fluid carrying tubes extending transversely through the fins for defining a fluid circuit, the assembly including at least one tube-to-tube joint, the improvement comprising a solderless connection at the tube-to-tube joint wherein one of the tubes includes an end having an annular, outwardly extending shoulder followed by an inwardly tapered flared portion for receiving the outwardly tapered portion of the other portion and the other of the tubes including an end having an outwardly flared portion for receiving the outwardly tapered portion of the other tube end and an inwardly directed flange clinched over the shoulder of the other tube end to produce a solderless mechanical connection between the two tubes.
REFERENCES:
patent: 826431 (1906-07-01), Jones
patent: 1931467 (1933-10-01), Young
patent: 2090251 (1937-08-01), Cowles
patent: 2452643 (1948-11-01), Fields
patent: 3016248 (1962-01-01), Lindberg
patent: 3395925 (1968-08-01), Dreiding
patent: 3503632 (1970-03-01), Braun
patent: 3537733 (1970-11-01), Martin
patent: 3807775 (1974-04-01), Addis et al.
patent: 3877518 (1975-04-01), Dreksler
McCord Corporation
Richter Sheldon Jay
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