Vacuum breaker valve-discharge elbow assembly for rotary drum fi

Details Vacuum breaker valve-discharge elbow assembly for rotary drum fi Vacuum breaker valve-discharge elbow assembly for rotary drum fi

1985-05-24

1987-07-28

Therkorn, Ernest G.

Liquid purification or separation

Filter

Movable medium

210392, 210429, 162321, 162323, 162334, 162357, 162369, 162370, B01D 3306

Patent

active

046830596

ABSTRACT:
A rotary drum filter of the pipe machine type has a stationary vacuum breaker valve-discharge elbow assembly at the discharge end of the drum which defines a streamlined, smoothly curving, and substantially unobstructed discharge flow passage with gradually changing flow cross sectional areas. The valve member includes a valve closure segment at its inlet end that is structurally connected to the annular outlet end flange and sealing rim by an extension segment which forms a continuation of the valve segment. The cross sectional shapes and areas of the flow passage at the valve outlet and discharge elbow inlet are the same, but the area gradually increases in a direction toward the outlet of the elbow, and the shape gradually changes from a segmented circle to a full circle in the same direction.

REFERENCES:
patent: Re27326 (1972-04-01), Sheaffer
patent: 915436 (1909-03-01), Hencke
patent: 2052156 (1936-08-01), Young
patent: 2220322 (1940-11-01), Evans
patent: 2416073 (1947-02-01), Smely
patent: 3363774 (1965-05-01), Luthi
patent: 3452874 (1969-07-01), Keller
patent: 3630380 (1971-12-01), Barnedi
patent: 4056475 (1977-11-01), Sander
patent: 4154687 (1979-05-01), LaValley
patent: 4383877 (1983-05-01), LaValley
patent: 4419165 (1983-12-01), LaValley

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