Method for manufacturing heat exchangers

Details Method for manufacturing heat exchangers Method for manufacturing heat exchangers

1997-05-13

1999-08-03

Cuda, Irene

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

29890054, B23P 1526

Patent

active

059308940

ABSTRACT:
A laminated-type evaporator for an automotive air conditioning refrigerant circuit includes a plurality of tube units having a pair of tray-shaped plates. Each of the tray-shaped plates includes a depression defined therein, a flange extending about the periphery thereof, and a wall disposed at an intermediate location therein and extending a portion of the length of each plate to thereby define a rear side and a front side to each plate. The wall includes a flat portion formed at an upper end thereof. A slit is formed at the flat, upper end portion of the wall by shearing. The slit extends along substantially the entire length of the wall along the wall's longitudinal axis.

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patent: 5632331 (1997-05-01), Shinmura
patent: 5647433 (1997-07-01), Sasaki

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