Gasketing for heat exchanger plates

Details Gasketing for heat exchanger plates Gasketing for heat exchanger plates

1984-04-04

1985-12-03

Davis, Jr., Albert W.

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

165167, 277181, 277189, F28F 300

Patent

active

045561060

ABSTRACT:
A gasket retention for heat exchanger plates includes a projection on the gasket which passes through an aperture in the plate with an interference fit. According to the present invention the apertures (2) are made so as to provide two alternative positions for the gasket projections (3), namely a tight position as illustrated in FIG. 1c and a freely movable position. The movement between positions may be by twisting as in FIG. 1c, or by a longtitudinal movement, e.g. in a key-hole slot aperture. The aperture may be tapered through the plates.

REFERENCES:
patent: 4002344 (1977-01-01), Smith
patent: 4063591 (1977-12-01), Usher
patent: 4377204 (1983-03-01), Johansson
patent: 4432415 (1984-02-01), Wright

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