Heat exchanger and method for manufacturing heat exchangers

Details Heat exchanger and method for manufacturing heat exchangers Heat exchanger and method for manufacturing heat exchangers

1996-02-02

1998-02-17

Leo, Leonard R.

Heat exchange

Radiator core type

Deformed sheet forms passages between side-by-side tube means

165176, 165DIG466, F28D 103

Patent

active

057182850

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.

REFERENCES:
patent: 4974670 (1990-12-01), Noguchi
patent: 5062477 (1991-11-01), Kadle
patent: 5088193 (1992-02-01), Okada et al.
patent: 5176206 (1993-01-01), Nagasaka et al.
patent: 5211222 (1993-05-01), Shinmura
patent: 5318114 (1994-06-01), Sasaki

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