Heat exchanger

Details Heat exchanger Heat exchanger

2007-08-14

2007-08-14

Walberg, Teresa J. (Department: 3744)

Heat exchange

Side-by-side tubular structures or tube sections

With manifold type header or header plate

C165S149000

Reexamination Certificate

active

11325681

ABSTRACT:
A protruding portion protruding toward the outside a tank is formed on a core plate in a range corresponding to a straight portion of a flat tube inserted and joined to the core plate. Due to this structure, a joining portion of the tube to the core plate is three-dimensionally formed and a joining portion length is extended. Therefore, thermal stress generated in the tube can be diffused from the joining portion of the tube to the core plate.

REFERENCES:
patent: 4582127 (1986-04-01), Moranne
patent: 4881594 (1989-11-01), Beamer et al.
patent: 5492172 (1996-02-01), Laveran et al.
patent: 5996633 (1999-12-01), Kato
patent: 6305465 (2001-10-01), Uchikawa et al.
patent: 6357521 (2002-03-01), Sugimoto et al.
patent: 4-92175 (1992-08-01), None
patent: 3059971 (1999-04-01), None
patent: 11-142090 (1999-05-01), None

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