Fluid control valve with sensing port
First Claim
Patent Images
1. A fluid control valve, comprising:
- a valve housing comprising an inlet and an outlet; and
a metering plug located within the valve housing, wherein the metering plug is configured to move linearly within the valve housing along a valve axis between an open position to allow fluid flow between the inlet and the outlet, and a closed position to block fluid flow between the inlet and the outlet, wherein a reference plane is oriented perpendicular to the valve axis, and wherein the metering plug comprises;
a nose portion located at a first end of the metering plug near the outlet, anda sensing port located at the nose portion, in the outlet, downstream from any sealing contact between the metering plug and the valve housing, wherein the sensing port is in fluid communication with fluid flow at the outlet whether the metering plug is in the open or closed position, and wherein the sensing port is oriented perpendicular to the valve axis and generally parallel to the reference plane.
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Abstract
A fluid control valve includes a valve housing having an inlet and an outlet. A metering plug is located within the valve housing, and is configured to move linearly within the valve housing along a valve axis between an open position to allow fluid flow between the inlet and the outlet, and a closed position to block fluid flow between the inlet and the outlet. A reference plane is oriented perpendicular to the valve axis. The metering plug includes a nose portion having a sensing port in fluid communication with fluid flow at the outlet. The sensing port is oriented perpendicular to the valve axis and generally parallel to the reference plane.
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Citations
16 Claims
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1. A fluid control valve, comprising:
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a valve housing comprising an inlet and an outlet; and a metering plug located within the valve housing, wherein the metering plug is configured to move linearly within the valve housing along a valve axis between an open position to allow fluid flow between the inlet and the outlet, and a closed position to block fluid flow between the inlet and the outlet, wherein a reference plane is oriented perpendicular to the valve axis, and wherein the metering plug comprises; a nose portion located at a first end of the metering plug near the outlet, and a sensing port located at the nose portion, in the outlet, downstream from any sealing contact between the metering plug and the valve housing, wherein the sensing port is in fluid communication with fluid flow at the outlet whether the metering plug is in the open or closed position, and wherein the sensing port is oriented perpendicular to the valve axis and generally parallel to the reference plane. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A fluid control valve, comprising:
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a valve housing comprising an inlet and an outlet; and a metering plug located within the valve housing, wherein the metering plug is configured to move linearly within the valve housing along a valve axis between an open position to allow fluid flow between the inlet and the outlet, and a closed position to block fluid flow between the inlet and the outlet, wherein a reference plane is oriented perpendicular to the valve axis, and wherein the metering plug comprises; a nose portion located at a first end of the metering plug near the outlet, and a sensing port located at the nose portion, in the outlet, downstream from any sealing contact between the metering plug and the valve housing, wherein the sensing port is in fluid communication with fluid flow at the outlet, and wherein the sensing port is oriented perpendicular to the valve axis and generally parallel to the reference plane; wherein the metering plug further comprises a conical body which extends from the first end of the metering plug to a second end of the metering plug that is located opposite the first end, and wherein the conical body tapers at the nose portion to form a tapered neck portion; and wherein the metering plug comprises a lip portion extending from the tapered neck portion at the first end of the metering plug; and wherein the metering plug comprises a generally cylindrical configuration, and wherein a lip diameter of the lip portion is wider than a neck diameter of the tapered neck portion.
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8. A fluid control valve, comprising:
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a valve housing comprising an inlet and an outlet; and a metering plug located within the valve housing, wherein the metering plug is configured to move linearly within the valve housing along a valve axis between an open position to allow fluid flow between the inlet and the outlet, and a closed position to block fluid flow between the inlet and the outlet, wherein a reference plane is oriented perpendicular to the valve axis, and wherein the metering plug comprises; a nose portion located at a first end of the metering plug near the outlet, and a sensing port located at the nose portion, in the outlet, downstream from any sealing contact between the metering plug and the valve housing, wherein the sensing port is in fluid communication with fluid flow at the outlet whether the metering plug is in the open or closed position, and wherein the sensing port is oriented at an angle relative to the reference plane. - View Dependent Claims (9, 10, 11, 12)
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13. A fluid control valve, comprising:
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a valve housing comprising an inlet and an outlet; and a metering plug located within the valve housing, wherein the metering plug is configured to move linearly within the valve housing along a valve axis between an open position to allow fluid flow between the inlet and the outlet, and a closed position to block fluid flow between the inlet and the outlet, wherein a reference plane is oriented perpendicular to the valve axis, and wherein the metering plug comprises; a first end and a second end that is located opposite the first end; a nose portion located at the first end of the metering plug near the outlet; a conical body which extends from the first end of the metering plug to the second end of the metering plug, wherein the conical body tapers at the nose portion to form a tapered neck portion; a lip portion that extends from the tapered neck portion, wherein a lip diameter of the lip portion is wider than a neck diameter of the tapered neck portion; and a sensing port located at the nose portion, in the outlet, downstream from any sealing contact between the metering plug and the valve housing, wherein the sensing port is in fluid communication with fluid flow at the outlet, and wherein the sensing port is oriented at an angle relative to the reference plane. - View Dependent Claims (14, 15, 16)
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Specification