Heat exchanger and method for joining plates thereof

Details Heat exchanger and method for joining plates thereof Heat exchanger and method for joining plates thereof

1982-12-22

1985-09-17

Ramsey, Kenneth J.

Heat exchange

With repair or assembly means

Positioner or retainer for settable material

165185, 228203, 228208, 228183, B23K 3102, B23P 1526

Patent

active

045414807

ABSTRACT:
An improved plate-type heat exchanger and a method for joining the plates thereof is disclosed. The heat exchanger includes a core containing a plurality of spaced parallel plates. The core is attached to the housing of the heat exchanger by means of a spray weld process and a standard weld process. In the spray weld process a filler metal is deposited on the core and the housing frame at the joint where the end portion of the plates and the housing frame meet. The filler metal used in the spray weld process forms a spray weld fillet which increases the thickness of the plates. The standard weld process further secures the plates to the heat exchanger housing frame.

REFERENCES:
patent: 2731245 (1956-01-01), McChesney
patent: 2752129 (1956-08-01), Modine
patent: 3928907 (1975-12-01), Chisholm
patent: 4247037 (1981-01-01), Tami et al.

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