Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Patent
1993-04-02
1994-09-13
Cuda, Irene
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
29523, 165173, B23P 1526
Patent
active
053456742
ABSTRACT:
In a method of making a heat exchanger having a heat exchanger network with a plurality of tubes and at least one base plate having a plurality of passages for tube ends, the passages in the base plate are triangular, and the tube ends are triangular prior to insertion into the base plate. The triangular tube ends are inserted into the triangular passages in the base plate and thereafter expanded to a tight fit.
REFERENCES:
patent: 4730669 (1988-03-01), Beasley et al.
Knecht Wolfgang
Strahle Roland
Weiss Gerhard
Cuda Irene
Langerer & Reich GmbH & Co.
Striker Michael J.
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