Stacked-disc structure for fluid filter or valve silencer

Details Stacked-disc structure for fluid filter or valve silencer Stacked-disc structure for fluid filter or valve silencer

1981-06-24

1983-10-18

Hruskoci, Peter A.

Liquid purification or separation

Filter

Within flow line or flow line connected close casing

1376253, 13762537, 138 42, 210429, 210450, 210488, B01D 2518

Patent

active

044104308

ABSTRACT:
A stacked-disc structure is comprised of a stack of annular discs (13) scalloped along the outer edge to provide lobes (13a) and etched on one side to provide lands (13a). A web (13d) is retained in the lobes to strengthen the discs so that they will not collapse due to high fluid pressure. The stack of discs is retained by a housing (10) having a fluted interior wall to retain the ends of the lobes. End plates (11 and 12) secure the stack of discs with a spacer (14) at one end having lands (14a) on lobes which match the lobes of the stacked discs to allow fluid to flow into, or out of, the spaces between the lobes of the stacked discs. The spaces between the lands on the etched discs provide passages for fluid flow into or out of the hollow core of the stack. The height of the lands (i.e., depth of the etch) determines the size of the smallest particle that will be permitted to flow through. The stacked-disc structure may be connected to the inlet of a valve, or be incorporated into the valve housing on the inlet side of the valve seat to assure substantially constant fluid velocity, and thereby reduce valve noise when the valve is operated.

REFERENCES:
patent: 2692685 (1954-10-01), Garland
patent: 2788128 (1957-04-01), Heine
patent: 3397794 (1968-08-01), Toth et al.
patent: 3648843 (1972-03-01), Pearson
patent: 3827568 (1974-08-01), Toth et al.
patent: 3894716 (1975-07-01), Barb
patent: 4050479 (1977-09-01), Baumann
patent: 4060099 (1977-11-01), Bates
patent: 4079754 (1978-03-01), Porter
patent: 4127146 (1978-11-01), Self
patent: 4267045 (1981-05-01), Hoof
"Machine Design," vol. 46, No. 23, Sep. 19, 1974.

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