Plate-type heat exchanger

Details Plate-type heat exchanger Plate-type heat exchanger

1998-06-03

1999-07-27

Leo, Leonard

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

165167, 165DIG369, F28F 310

Patent

active

059273950

ABSTRACT:
A plate-type heat exchanger is provided with a sealing device positioned between pairs of adjacent plates (12). Said device comprises a gasket (11) placed inside of a suitable peripheral groove (21), as well as a plurality of protuberances (10) projecting from a peripheral area (13) of said gasket (11) towards a peripheral area of the plate (12) to which said device is coupled. Said heat exchanger is provided with a plurality of recesses (19) having a predetermined shape and placed along the peripheral edge of each plate (12) constituting said heat exchanger; furthermore, each protuberance (10) has a shape which is conjugated to the shape of the corresponding recess (19) so that said protuberance (10) can interact with said corresponding recess (19) in such a way as to insert an edge of said recess (19) inside of a groove (16) provided in each protuberance (10).

REFERENCES:
patent: 4377204 (1983-03-01), Johansson
patent: 4556106 (1985-12-01), Evans
patent: 4635715 (1987-01-01), Andersson
patent: 4905758 (1990-03-01), Mathur et al.
patent: 5727620 (1998-03-01), Schaufele

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