Multi-vane flow rate stabilizer for throttling valves

Details Multi-vane flow rate stabilizer for throttling valves Multi-vane flow rate stabilizer for throttling valves

1997-05-14

1999-08-03

Lee, Kevin

Valves and valve actuation

With material guide or restrictor

251359, F16K 4708

Patent

active

059314451

ABSTRACT:
A valve includes a fluid inlet passageway coupled to a fluid outlet passageway through an orifice and a valve plug that is moveable with respect to the orifice to vary the rate of fluid flow through the orifice. A seat ring is disposed at the orifice and includes a structural member having three vanes connected in a Y-shaped configuration extending into the fluid inlet passageway adjacent the orifice. The Y-shaped vane configuration prevents disturbances, such as intermittent vortices, from forming within the fluid in the fluid inlet passageway and, thereby, provides a stable rate of fluid flow through the valve.

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Fisher Controls Brochure, "For Economical and Accurate Control, Type 399A Makes Its Easy," Form 8366, 16 pp., 1995.
Fisher Controls, Type 399 Easy Joe Valve spec. sheet, 1 p.
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Two Fisher Controls Drawings Illustrating the Fisher Controls 4-1500 HP Valve.
PCT/US 98/03389 International Search Report dated Jun. 30, 1998.

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