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US 2025/0043870 A1Published application
Fluid flow control devices and related systems and methods
AssigneeFlowserve Pte. Ltd.
InventorsBruce J. Butler, Bradford B. Haines, Paul J. Parish
Life of this patent
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Abstract
Fluid flow control devices and related systems and methods may include a body or housing and a plug at least partially positioned in the body or housing to define a flow path. In a position of the plug, the plug and the body or housing may collectively define a fluid flow path.
Claims20
A fluid flow control device, comprising:
- an outer housing having a fluid inlet and a fluid outlet;
- an inner housing disposed at least partially within the outer housing and fixed relative to the outer housing, the inner housing comprising a plurality of passageways, each of the plurality of passageways extending through the inner housing from an exterior of the inner housing to an interior of the outer housing;
- and
- a plug disposed at least partially within the interior of the inner housing and rotatable about an axis of rotation relative to the inner housing, the plug comprising a plurality of apertures extending through the plug, the plurality of apertures located to be in fluid communication with the plurality of passageways when the plug is rotated to an open position such that the plurality of apertures are connected together in series via the plurality of passageways to form a zigzagging fluid pathway from the fluid inlet to the fluid outlet.
1 more element
A fluid flow control device, comprising:
- a housing having a fluid inlet and a fluid outlet;
- and
- a plug disposed at least partially within a housing and rotatable about an axis of rotation relative to the housing, the plug comprising:
- a first aperture extending through the plug at a longitudinal location proximate the fluid inlet, the first aperture located to selectively provide fluid communication between the fluid inlet and a first connecting passageway in the housing;
- a second aperture extending through the plug at a longitudinal location proximate the fluid outlet, the second aperture located to selectively provide fluid communication between a second connecting passageway in the housing and the fluid outlet;
- and
- at least one intermediate aperture extending laterally through plug at a longitudinal location between the first aperture and the second aperture, the at least one intermediate aperture located to selectively provide fluid communication between the first connecting passageway in the housing and the second connecting passageway in the housing.
4 more elements
A multistage fluid flow control device, comprising:
- an outer housing;
- an inner housing disposed at least partially within the outer housing and sealed to the outer housing, the inner housing comprising a plurality of passageways;
- and
- a plug disposed at least partially within an interior of the inner housing and rotatable about an axis of rotation relative to the inner housing, the plug comprising a plurality of apertures extending laterally through the plug an being collectively defined by the inner housing and the outer housing, the plurality of apertures located to be in fluid communication with the plurality of passageways when the plug is rotated to an open position such that fluid flows through the plurality of passageways and the plurality of apertures in a series of stages and wherein fluid pressure is reduced in each of the stages.
1 more element
Dependencies are inferred from the claim text.