Surge-damping vacuum valve

Fluid handling – Systems – Flow path with serial valves and/or closures

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Details

1375135, 137517, F16K 1730

Patent

active

041956648

ABSTRACT:
A valve having a mechanism for damping out flow surges in a vacuum system which utilizes a slotted spring-loaded disk positioned adjacent the valve's vacuum port. Under flow surge conditions, the differential pressure forces the disk into sealing engagement with the vacuum port, thereby restricting the flow path to the slots in the disk damping out the flow surge.

REFERENCES:
patent: 834855 (1906-10-01), Woodman et al.
patent: 852007 (1907-04-01), Wilson
patent: 920716 (1909-05-01), Beckman
patent: 1764181 (1930-06-01), Raetz et al.
patent: 3247867 (1966-04-01), Martin
patent: 3431028 (1969-03-01), Yoder
patent: 3454182 (1969-07-01), Morton

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