Conical variable area throttling device
First Claim
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1. A flow proportioning device comprising:
- a housing defining a chamber having inlet and outlet passages in substantially axial alignment;
first and second flow proportioning members mounted in said chamber, each said member having an annular flange segment and an integral conical segment extending toward said outlet passage;
notched panel means fixed in said outlet passage lying in a plane defined by the maximum relative movement of said flow proportioning members and receiving said conical segments therein; and
means to engage said flange segments and oppositely rotate said flow proportioning members around said outlet passage axis thereby changing the relative positioning of said conical segments whereby the ratio of the non-predominant (volumetric-wise) phase of a two-phase system can be adjusted.
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Abstract
The subject device has a pair of conical segment members extending downstream from a central chamber and provided with means to relatively rotate them to proportion the flow of the non-predominant (volumetric-wise) phase of two-phase fluid therethrough. Relative positioning of the conical segment members forces the two-phase mixture streams to change velocities and mix the liquid phase with the gaseous phase prior to their encountering a flow-splitting device such as a tee junction.
11 Citations
8 Claims
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1. A flow proportioning device comprising:
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a housing defining a chamber having inlet and outlet passages in substantially axial alignment; first and second flow proportioning members mounted in said chamber, each said member having an annular flange segment and an integral conical segment extending toward said outlet passage; notched panel means fixed in said outlet passage lying in a plane defined by the maximum relative movement of said flow proportioning members and receiving said conical segments therein; and means to engage said flange segments and oppositely rotate said flow proportioning members around said outlet passage axis thereby changing the relative positioning of said conical segments whereby the ratio of the non-predominant (volumetric-wise) phase of a two-phase system can be adjusted. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for proportioning the non-predominant (volumetric-wise) phase of a two-phase fluid flow comprising the steps of:
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providing a device with a housing defining a chamber having inlet and outlet passages in substantially axial alignment, first and second flow proportioning members mounted in said chamber, each said member having an annular flange segment and an integral conical segment extending toward said outlet passage, notched panel means fixed in said outlet passage lying in a plane defined by the maximum relative movement of said flow proportioning members and receiving said conical segments therein; and
means to engage said flange segments and oppositely rotate said flow proportioning members around said outlet passage axis thereby changing the relative positioning of said conical segments whereby the ratio of the non-predominant (volumetric-wise) phase can be adjusted;relatively rotating said flow proportioning members so that the conical surface thereof pseudo blocks the cross sectional area upstream forcing both two-phase fluid streams to change their velocities conveying the dominant phase into two different pressure gradient environments caused by the difference in velocity thereby selecting the path of the non-predominant phase particles based on particle size and relative vacuum to which it is exposed.
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Specification