Plate heat exchanger

Details Plate heat exchanger Plate heat exchanger

1985-11-29

1987-07-07

Davis, Jr., Albert W.

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

165167, F28F 304

Patent

active

046780300

ABSTRACT:
Plate heat exchanger in the form of several heat exchanger plates (1) placed close to and sealed against each other and having pressed-out ridges (4) to form the heating surface of the relative plate in order to provide two different flow passages in the same plate heat exchanger. The plate heat exchanger according to the invention consists of identically like heat exchanger plates (1), the packing groove (9) of which has its bottom placed in the central plane of the plate (1). The heating surface of the relative plate is further divided into at least two area portions (5-8), the ridges (4) in one area portion (5) having an angle (.alpha..sub.1) relative to the symmetry axes (X and Y, respectively) of the plate lying in its plane, which is different from the angle (.beta..sub.1) formed by the ridges (4) in the other area portion (6) with the symmetry axes and that one or more of the other plates included in the heat exchanger are turned 180.degree. about one of said symmetry axes (x, Y) starting from the orientation of one plate in the plate heat exchanger.

REFERENCES:
patent: 4176713 (1979-12-01), Fisher
patent: 4284135 (1981-08-01), Almqvist et al.
patent: 4307779 (1981-12-01), Johansson et al.
patent: 4359087 (1982-11-01), Johansson
patent: 4376460 (1983-03-01), Skoog

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