Heat exchange – Side-by-side tubular structures or tube sections – With manifold type header or header plate
Patent
1998-06-10
1999-04-27
Leo, Leonard R.
Heat exchange
Side-by-side tubular structures or tube sections
With manifold type header or header plate
165153, 165178, F28F 904
Patent
active
058969233
ABSTRACT:
A heat exchanger includes first and second header tanks and a plurality of flat tubes disposed therebetween. Each of the first and second header tanks is formed by connecting first and second groove members. The first groove member includes a main wall portion and a side wall portion to have a U-shaped cross-section. A plurality of tube-insertion holes are provided in the first groove member, and the tube-insertion holes extend from the main wall portion until an intermediate position of the side wall portion. The flat tubes are attached to the first and second header tanks by inserting both ends of each flat tube into the tube-insertion holes until the intermediate position. Further, a width of the first groove member in a width direction is set to be equal to each width of the flat tubes. As a result, the sizes of the first and second header tanks are reduced relative to the flat tubes, and the heat exchanger has downsized header tanks.
REFERENCES:
patent: 3411196 (1968-11-01), Zehnder
patent: 4722387 (1988-02-01), Avrand
patent: 5069277 (1991-12-01), Nakamura et al.
patent: 5127466 (1992-07-01), Ando
patent: 5842515 (1998-12-01), Kim
Denso Corporation
Leo Leonard R.
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