Cage apparatus having fluid passageways to affect flow characteristics of valves
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United States of America Patent
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Dec 19, 2017
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N/A
app pub date -
Mar 21, 2016
filing date -
Mar 21, 2016
priority date (Note) -
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Abstract
Cage apparatus having fluid passageways to affect flow characteristics of valves are disclosed. An example valve cage includes clustered fluid flow passages. Each fluid flow passage has a first portion connected to a second portion. The first portion tapers towards the second portion and the second portion tapers towards the first portion. The clustered fluid flow passages include a first row and an adjacent second row. The first row and the second row are oriented at a first angle relative an axis of the valve cage to extend along a helically-shaped path on the valve cage.
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