Valves and valve actuation – With material guide or restrictor – Baffle or zigzag flow restrictor
Patent
1997-03-07
1999-11-23
Rivell, John
Valves and valve actuation
With material guide or restrictor
Baffle or zigzag flow restrictor
138 42, 138 44, F16K 4702, F16K 4714, F16L 55027
Patent
active
059885866
ABSTRACT:
A valve assembly for controlling the flow of fluid through a conduit section having and an inlet and an outlet in which a ball valve having a through bore formed therein is rotatably mounted in the conduit section. The ball valve moves between an open position in which at least a portion of the bore registers with the inlet to permit the flow of the fluid through the ball valve, and a closed position in which fluid flow through the ball valve is prevented. An insert is disposed in the conduit section downstream of the ball valve, and a first series of passages are formed through the insert for receiving the fluid from the ball valve. At least one addition series of passages extend through the insert for receiving fluid from the first series of passages and discharging the fluid to the outlet, with the passages reducing the noise generated by the fluid flow.
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Rivell John
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