Heat exchanger and method of producing

Details Heat exchanger and method of producing Heat exchanger and method of producing

2008-03-11

2008-03-11

Walberg, Teresa J. (Department: 3744)

Heat exchange

Radiator core type

With edge cover or frame means

C029S890052, C165S153000

Reexamination Certificate

active

07341098

ABSTRACT:
A heat exchanger including a collecting tank having an outwardly extending flange around an edge, a tube plate having a connection edge, tubes having ends extending into openings in the tube plate, and an intermediate plate having an edge lying against the connection edge of the tube plate. The connection edges of the intermediate plate and the tube plate are both mechanically connected to the flange of the collecting tank. Pins in the corners of one of the tube plate and the intermediate plate secure the tube plate and intermediate plate together. The connection edge of the plates include protrusions bendable onto the edge flange of the collecting tank.

REFERENCES:
patent: 4531578 (1985-07-01), Stay et al.
patent: 5195579 (1993-03-01), Buchanan
patent: 5219024 (1993-06-01), Potier
patent: 5311933 (1994-05-01), Lee
patent: 5758721 (1998-06-01), Letrange et al.
patent: 6296051 (2001-10-01), Sahnoun et al.
patent: 2002/0023734 (2002-02-01), Wagner
patent: 2003/0006028 (2003-01-01), Kalbacher
patent: 1 273 864 (2003-01-01), None
patent: 2 742 528 (1997-06-01), None

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