Heat exchanger core attachment and sealing apparatus and method

Details Heat exchanger core attachment and sealing apparatus and method Heat exchanger core attachment and sealing apparatus and method

1978-10-26

1981-09-29

Hall, George T.

Heat exchange

Expansion and contraction relieving or absorbing means

165 78, 165 83, 110304, F28F 500

Patent

active

042917522

ABSTRACT:
A combination structure interconnecting and sealing means for joining an air duct with the end plate of a heat exchanger core to allow for variations in spatial dimensions resulting from thermal expansion. The coupling arrangement comprises a circumferential flange attached, as by welding, to the circular duct. The periphery of the flange is provided with radial slots which are engaged underneath T-shaped clips attached to the heat exchanger plate. Within the circumference of the flange and generally in line with the duct and associated manifold section of the end plate is a U-shaped bladder member extending entirely around the joint and welded to provide a seal between the end of the duct and the plate. Similar bladder members are provided between adjacent units making up an overall heat exchanger core.

REFERENCES:
patent: 2416674 (1947-03-01), Bailey
patent: 3078919 (1963-02-01), Brown
patent: 3398787 (1968-08-01), Bevevino
patent: 3547202 (1970-12-01), Tickner
patent: 3960210 (1976-06-01), Chartet
patent: 4113007 (1978-09-01), Flower et al.

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