Heat exchanger and process for its manufacture

Details Heat exchanger and process for its manufacture Heat exchanger and process for its manufacture

1983-12-19

1986-03-18

Richter, Sheldon J.

Heat exchange

With repair or assembly means

Positioner or retainer for settable material

165149, 165175, 165178, 165906, F28F 926

Patent

active

045762236

ABSTRACT:
The invention concerns a heat exchanger comprising a heat exchanger block having a plurality of tubes and fins arranged transversely to the tubes, at least one tube plate and a water tank, both made of a synthetic plastic material. The tube plate has orifices to receive the ends of the tubes and the water tank is fastened in a water tight manner to the tube plate. In order to obtain a simple and reliable joint of the heat exchanger tubes with the tube plate and the water tank with the tube plate, the plastic tube plate is provided on one side with projections. The orifices are located in these projections and the ends of the tubes are mounted in these orifices by expansion in the radial direction or impression in the axial direction. Both the tube plate and the water tank are equipped with flat surfaces at their edges. These surfaces rest on each other and the tube plate is joined with the water tank by vibration welding on these surfaces.

REFERENCES:
patent: 4085728 (1978-04-01), Tomchak
patent: 4266604 (1981-05-01), Sumikawa et al.
patent: 4479668 (1984-10-01), Jacquet

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