Valve noise suppression by fluid recirculation

Details Valve noise suppression by fluid recirculation Valve noise suppression by fluid recirculation

1975-03-28

1976-12-07

Weakley, Harold W.

Power plants

Motive fluid energized by externally applied heat

Having apparatus cleaning, sealing, lubricating, purging,...

137560, 251319, 137563, F01B 3100

Patent

active

039954307

ABSTRACT:
A flow control apparatus having a noise and vibration suppression arrangement associated therewith. A suitable piping arrangement permits introduction of a pressurized fluid into a chamber above a valve plug movably disposed within the casing of the flow control apparatus. The fluid is conducted into the plug chamber from a region having a pressure therein higher than the pressure immediately beneath the valve plug and passes from the plug chamber to mix with the high velocity inlet flow entering the flow control apparatus to dissipate the energy associated with the influent flow and to prevent excessive noise and vibration levels within the flow control apparatus.

REFERENCES:
patent: 623935 (1899-04-01), Wilson et al.

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