Stack type heat exchanger

Details Stack type heat exchanger Stack type heat exchanger

2006-03-21

2006-03-21

Leo, Leonard R. (Department: 3753)

Heat exchange

With repair or assembly means

Guide

C165S153000, C165S176000

Reexamination Certificate

active

07013952

ABSTRACT:
A stack type heat exchanger includes a plurality of unit frames stacked on one another, each unit frame including a tube made by combining a pair of plates and forming a path for refrigerant and upper and lower tanks disposed at upper and lower ends of the tube, a radiation fin provided between the stacked tubes, an inlet pipe and an outlet pipe provided at one side of the unit frames through which refrigerant enters and is exhausted, a first burr formed in the lower tank to protrude in a direction opposite to a direction in which the refrigerant flows, and a second burr formed in the upper tank to protrude in the same direction as the direction in which the refrigerant flows.

REFERENCES:
patent: 3207216 (1965-09-01), Donaldson
patent: 4274482 (1981-06-01), Sonoda
patent: 4470455 (1984-09-01), Sacca
patent: 4592414 (1986-06-01), Beasley
patent: 5529116 (1996-06-01), Sasaki et al.
patent: 5720341 (1998-02-01), Watanabe et al.
patent: 5918664 (1999-07-01), Torigoe
patent: 6920916 (2005-07-01), Higashiyama
patent: 2002/0043361 (2002-04-01), Saito et al.
patent: 7-12778 (1995-03-01), None
patent: 10-325645 (1998-12-01), None
patent: 2000-105091 (2000-04-01), None

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