Fluid control apparatus

Details Fluid control apparatus Fluid control apparatus

1982-04-21

1984-10-30

Rosenthal, Arnold

Fluid handling

Combined

137375, 1376253, 13762537, 181249, 138140, 251122, F16K 4702, F16L 5502

Patent

active

044795092

ABSTRACT:
A flow control valve installation having blind holes in internal surfaces. The holes are slanted in the downstream direction and tuned to null one or more frequencies in the noise spectrum for the valve by the selection of proper depths for the holes.

REFERENCES:
patent: 377963 (1888-02-01), Smith
patent: 1811762 (1931-06-01), Schnell
patent: 2241729 (1941-05-01), McCurdy
patent: 2297046 (1942-09-01), Bourne
patent: 2473415 (1949-06-01), Doull
patent: 2583366 (1952-01-01), Engels
patent: 2918087 (1959-12-01), Curran
patent: 3514074 (1970-05-01), Self
patent: 4040440 (1977-08-01), Zaki
patent: 4085770 (1978-04-01), Woronowicz
patent: 4122867 (1978-10-01), Zagotta

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