Plate type heat exchanger with bar means for flow control and st

Details Plate type heat exchanger with bar means for flow control and st Plate type heat exchanger with bar means for flow control and st

1979-09-07

1981-02-10

Richter, Sheldon J.

Heat exchange

With first fluid holder or collector open to second fluid

165166, 165174, F28F 300

Patent

active

042495954

ABSTRACT:
A plate type heat exchanger is shown in which liquid and vaporous phases of a heat exchange fluid are separately distributed uniformly across the width of a heat exchanger and after mixing, flow therethrough in heat exchange relationship with a feed fluid. Crossover means are disposed in the metallic plates separating adjacent passages in which the fluid and vaporous heat exchange fluids flow and are operative to provide fluid communication between the adjacent passages so that the two phases of heat exchange fluid may mix. Slotted metallic bars provide structural support to the metallic plates in the proximity of the crossover means and restrict the flow of one of the liquid and vaporous fluids through the crossover means.
In one embodiment of the invention, the rate of flow of one of the heat exchange fluids through the heat exchanger is continuously adjustable over a limited range by metering control means; in another embodiment, it is controlled in discrete steps. The spacing, width, and/or depth of the slots formed in the slotted metallic bars otherwise determine the rate of fluid flow through the crossover means, for a given pressure drop.

REFERENCES:
patent: 3282334 (1966-11-01), Stahlheber
patent: 3310105 (1967-03-01), Butt
patent: 3495656 (1970-02-01), Dickson
patent: 3559722 (1971-02-01), Schauls et al.
patent: 3612494 (1971-10-01), Toyama et al.
patent: 3880231 (1975-04-01), Gauthier
patent: 3895676 (1975-07-01), Young

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