Anticavitation and low noise means for rotary valves

Details Anticavitation and low noise means for rotary valves Anticavitation and low noise means for rotary valves

1976-07-19

1978-04-25

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

13762532, 138 45, F16K 4708

Patent

active

040857743

ABSTRACT:
Anticavitation and low noise means attached to the downstream port of rotary valves, having spherical or semispherical plug means, consisting of a plate having one plane terminating surface and one opposite concave spherical indentation closely engaging the spherical plug surface and containing within its circumferential boundary line a multitude of individual flow passages, each of which has a reduced diameter discharge port within the terminating plane surface of the plate.

REFERENCES:
patent: 659514 (1900-10-01), Duffy
patent: 727588 (1903-05-01), Clarke
patent: 1852164 (1932-05-01), Holzwarth
patent: 3542337 (1970-11-01), Scaramucci
patent: 3786837 (1974-01-01), Pipkins

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