Fluidized bed fluid pressure regulator

Details Fluidized bed fluid pressure regulator Fluidized bed fluid pressure regulator

1991-05-20

1992-02-18

Tapolcai, William E.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

138 26, 34 51, 454238, 454255, 454340, B64D 1302

Patent

active

050883879

ABSTRACT:
A method and apparatus for venting purge fluid from an enclosed housing to maintain a positive known reference pressure differential between the housing and the variable pressure atmosphere surrounding the housing. The apparatus utilizes a specially designed fluidized bed to vent the purge fluid while maintaining a positive known reference back pressure. The fluidized bed automatically compensates for changes in the temperature or pressure of the atmosphere surrounding the housing.

REFERENCES:
patent: 1121700 (1914-12-01), Wiedmann
patent: 2651985 (1953-09-01), Warstler
patent: 4344356 (1982-08-01), Casteron et al.
patent: 4593478 (1986-06-01), Stendahl
patent: 4704951 (1987-11-01), Pruchon
patent: 4860783 (1989-08-01), Megee et al.

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