VALVE ASSEMBLY WITH EQUAL PERCENTAGE FLOW CONTROL

A valve assembly is provided. The valve assembly includes a valve body having a valve chamber and a plurality of ports into the valve chamber. The plurality of ports include a first port, a second port, and a third port. The first port and the second port are aligned with a common axis and located on opposite sides of the valve chamber. The system further includes a valve member located within the valve chamber. The valve member is a rotatable ball having a fluid passage that extends through the ball and includes an opening at the end of the ball. The fluid passage is substantially oval-shaped when viewed at the opening in a direction parallel to the fluid passage. The valve assembly further includes a valve stem that is coupled to a valve member and has a first end that extends from the valve body. 1. A system for controlling fluid flow comprising: a valve body having a valve chamber and a plurality of ports into the valve chamber, the plurality of ports comprising a first port, a second port, and a third port, wherein the first port and the second port are aligned with a common axis and located on opposite sides of the valve chamber; and', 'a valve member located within the valve chamber and comprising a ball having a fluid passage extending therethrough, wherein the valve member is configured to rotate approximately 270 degrees between a first end position in which the first port is fluidly connected with the third port and the second port is closed, and a second end position in which the second port is fluidly connected with the third port and the first port is closed;, 'a valve assembly comprisingan electronically-controllable actuator comprising a motor and a drive device, the drive device driven by the motor and coupled to the valve assembly for driving the valve member between the first end position and the second end position; and a communications interface configured to receive a linear control mode signal and to transmit an equal percentage mode signal; ...

MULTIPURPOSE VALVE ASSEMBLY TOOL

A multipurpose valve tool is provided. The multipurpose valve tool includes multiple flow control discs, a retention ring, and a valve key. The flow control discs are configured to be installed within a valve body of a valve assembly to modulate a flow of fluid through an outlet port of the valve body. The retention ring is configured to retain the flow control discs on a component of the valve assembly when the flow control discs are not installed within the valve body. The valve key includes a first end configured to engage an installation feature in a retention fastener for one of the flow control discs. The flow control discs, the retention ring, and the valve key are detachably coupled to each other. 1. A multipurpose valve tool comprising:a plurality of flow control discs configured to be installed within a valve body of a valve assembly to modulate a flow of fluid through at least one outlet port of the valve body;a retention ring configured to retain the plurality of flow control discs on a component of the valve assembly when the plurality of flow control discs are not installed within the valve body; anda valve key having a first end configured to engage an installation feature in a retention fastener for one of the plurality of flow control discs;wherein the plurality of flow control discs, the retention ring, and the valve key are detachably coupled to each other.2. The multipurpose valve tool of claim 1 , wherein the tool is formed via an injection molding process.3. The multipurpose valve tool of claim 1 , wherein the component of the valve assembly is at least one of the valve body or an actuator.4. The multipurpose valve tool of claim 1 , wherein the valve key further comprises a second end having a cutout region claim 1 , the cutout region configured to couple to a valve stem of the valve assembly in order to rotate a valve member of the valve assembly.5. The multipurpose valve tool of claim 1 , wherein the installation feature is a recess on a face ...

VALVE MEMBER WITH IMPROVED FLUID FLOW AND CONTROL

A valve assembly is provided. The valve assembly includes a valve body having a valve chamber and a plurality of ports into the valve chamber. The plurality of ports include a first port, a second port, and a third port. The first port and the second port are aligned with a common axis and located on opposite sides of the valve chamber. The system further includes a valve member located within the valve chamber. The valve member is a rotatable ball having a fluid passage that extends through the ball and includes an opening at the end of the ball. The fluid passage is substantially oval-shaped when viewed at the opening in a direction parallel to the fluid passage. The valve assembly further includes a valve stem that is coupled to a valve member and has a first end that extends from the valve body. 1. A valve assembly comprising:a valve body having a valve chamber and a plurality of ports into the valve chamber, the plurality of ports comprising a first port, a second port, and a third port, wherein the first port and the second port are aligned with a common axis and located on opposite sides of the valve chamber;a valve member located within the valve chamber, wherein the valve member comprises a rotatable ball having a fluid passage extending therethrough, the fluid passage having a first opening at an end thereof; anda valve stem coupled to the valve member and having a first end that extends from the valve body;wherein the fluid passage is substantially oval-shaped when viewed at the first opening in a direction parallel to that of the fluid passage.2. The valve assembly of claim 1 , wherein the fluid passage extending through the valve member is L-shaped claim 1 , and wherein the L-shaped fluid passage comprises the only fluid passage through the valve member.3. The valve assembly of claim 1 , wherein the valve member is substantially hollow claim 1 , and the fluid passage further comprises a second opening claim 1 , the first opening and the second opening ...

VALVE AND ACTUATOR ASSEMBLY WITH IMPROVED COUPLING FEATURES

A valve assembly is provided. The valve assembly includes a valve body having a valve chamber and multiple ports into the valve chamber. The multiple ports include a first port, a second port, and a third port. The first port and the second port are aligned with a common axis and located on opposite sides of the valve chamber. The system further includes a valve member controllably movable relative to the valve body and configured to modulate fluid flow through the valve assembly and a valve stem coupled to the valve member. The valve stem extends from the valve body and includes a keying feature that ensures correct orientation of the valve member relative to an actuator. The actuator is configured to controllably move the valve member. 1. A valve assembly comprising:a valve body having a valve chamber and a plurality of ports into the valve chamber, the plurality of ports comprising a first port, a second port, and a third port, wherein the first port and the second port are aligned with a common axis and located on opposite sides of the valve chamber;a valve member controllably movable relative to the valve body and configured to modulate fluid flow through the valve assembly; anda valve stem coupled to the valve member and extending from the valve body, the valve stem comprising a keying feature that ensures correct orientation of the valve member relative to an actuator, the actuator configured to controllably move the valve member.2. The valve assembly of claim 1 , wherein the keying feature comprises a notch configured to align with a protrusion located on a drive output of the actuator.3. The valve assembly of claim 2 , wherein the valve stem is configured to attain a fully engaged position when the valve stem is correctly aligned relative to the actuator and prevented from attaining the fully engaged position by the protrusion on the drive output of the actuator when the valve stem is not properly aligned relative to the actuator.4. The valve assembly of ...

VALVE ASSEMBLY WITH ANTI-EXTRUSION VALVE SEAT

A valve assembly includes a body, a ball, a first seating assembly, and a second seating assembly. The body includes an inlet, an outlet, and an inner chamber. The ball is positioned within the inner chamber. The ball includes a bore extending through the ball such that the ball is movable from a closed position and an open position. The ball prevents fluid flow from flowing between the inlet and the outlet in the closed position. The ball enables fluid flow between the inlet and the outlet in the open position. The first seating assembly is positioned adjacent the inlet. The second seating assembly is positioned adjacent the outlet. 1. A valve assembly , comprising:a body including an inlet, an outlet, and an inner chamber;a ball positioned within the inner chamber and including a bore extending through the ball such that the ball is movable from a closed position, where the ball prevents fluid flow from flowing between the inlet and the outlet, and an open position, where the ball enables fluid flow between the inlet and the outlet; a first annular seal; and', 'a first annular retaining member including a first outer retaining ring positioned adjacent a first shoulder of the body and a first inner surface defining a first portion of a flow path for fluid flowing between the inlet and the outlet;, 'a first seating assembly positioned adjacent the inlet and including a second annular seal; and', 'a second annular retaining member including a second outer retaining ring positioned adjacent a second shoulder of the body and a second inner surface defining a second portion of the flow path for fluid flowing between the inlet and the outlet., 'a second seating assembly positioned adjacent the outlet and including2. The valve assembly of claim 1 , wherein the first shoulder is positioned upstream from the first outer retaining ring and wherein the second shoulder is positioned downstream from the second outer retaining ring.3. The valve assembly of claim 1 , wherein the ...

FLOWRATE DETERMINATION SYSTEM AND METHOD FOR A FLOW CONTROL VALVE

A flow control device for controlling flow in a heating, ventilation, or air conditioning (HVAC) system is shown. The flow control device includes a valve body including an inlet path, an outlet path, a valve member, and a valve stem coupled to the valve member. The flow control device includes a first sensor configured to obtain pressure measurements within the valve body, a second sensor configured to obtain displacement measurements of the valve stem, and a controller including a processing circuit configured to determine a flowrate based at least on the pressure measurements from the first sensor and the displacement measurements from the second sensor. 1. A flow control device for controlling flow in a heating , ventilation , or air conditioning (HVAC) system , the flow control device comprising:a valve body comprising an inlet path, an outlet path, a valve member, and a valve stem coupled to the valve member;a first sensor configured to obtain pressure measurements within the valve body;a second sensor configured to obtain displacement measurements of the valve stem; anda controller comprising a processing circuit configured to determine a flowrate based at least on the pressure measurements from the first sensor and the displacement measurements from the second sensor.2. The flow control device of claim 1 , wherein the valve body further comprises a diaphragm; andwherein the first sensor is configured to obtain the pressure measurements based on one or more displacement measurements of the diaphragm.3. The flow control device of claim 1 , wherein the controller is further configured to:receive the pressure measurements and the displacement measurements;receive flow control device parameters from a database, the flow control device parameters s comprising at least one of a specific gravity, a flow coefficient of the flow control device, a diaphragm characteristic, and a spring characteristic;determine a pressure differential between the pressure in the inlet ...

INTEGRATED SMART ACTUATOR DEVICE

A building management system is configured to modify an environmental condition of a building. The building management system includes a valve assembly, an actuator device, and a network sensor device. The actuator device includes a motor, a drive device driven by the motor and coupled to the valve assembly, and a controller coupled to the motor. The controller includes a microprocessor and a control application configured to enable closed loop control of the valve assembly. The network sensor device is communicably coupled to the actuator device and configured to measure an environmental property. The control application is configured to perform the closed loop control of the valve assembly based on an input control signal from a mobile device and the measured environmental property from the network sensor device. 1. A building management system configured to modify an environmental condition of a building , the building management system comprising:a valve assembly; a motor and a drive device, the drive device driven by the motor and coupled to the valve assembly; and', a microcontroller comprising memory and a processor configured to execute a control application; and', 'a control application configured to enable closed loop control of the valve assembly;, 'a controller coupled to the motor and comprising], 'an actuator device comprisinga network sensor device communicably coupled to the actuator device and configured to measure an environmental property;wherein the control application is configured to perform the closed loop control of the valve assembly based at least in part on an input control signal from a mobile device and the measured environmental property from the network sensor device.2. The building management system of claim 1 , further comprising a mobile access point device configured to communicably couple to the network sensor device and to receive the input control signal from the mobile device.3. The building management system of claim 1 , ...

SYSTEMS AND METHODS FOR FLOW ESTIMATION USING DIFFERENTIAL PRESSURE SENSOR ACROSS VALVE

A system for controlling a flow rate of a fluid through a valve is provided. The system includes a valve and an actuator. An actuator drive device is driven by an actuator motor and is coupled to the valve for driving the valve between multiple positions. The system further includes a differential pressure sensor configured to measure a differential pressure across the valve and a controller that is communicably coupled with the differential pressure sensor and the motor. The controller is configured to receive a flow rate setpoint and the differential pressure measurement, determine an estimated flow rate based on the differential pressure measurement, determine an actuator position setpoint using the flow rate setpoint and the estimated flow rate, and operate the motor to drive the drive device to the actuator position setpoint. 1. A system for controlling a flow rate of a fluid through a valve , the system comprising:a valve configured to regulate a flow of fluid through a conduit;an actuator comprising a motor and a drive device, the drive device driven by the motor and coupled to the valve for driving the valve between multiple positions;a first differential pressure sensor configured to measure a first differential pressure across the valve; and receive a flow rate setpoint;', 'receive the first differential pressure measurement from the first differential pressure sensor;', 'determine an estimated flow rate based at least in part on the first differential pressure measurement;', 'determine an actuator position setpoint using the flow rate setpoint and the estimated flow rate; and', 'operate the motor to drive the drive device to the actuator position setpoint., 'a controller that is communicably coupled with the first differential pressure sensor and the motor, the controller configured to2. The system of claim 1 , wherein the estimated flow rate is further based in part on an actuator feedback position and a valve flow coefficient.3. The system of claim 1 , ...

Valve and actuator assembly with improved coupling features

A system for controlling fluid flow is provided. The system includes a valve assembly, an actuator, a controller, and a pointer arm. The valve assembly includes a valve body having a valve chamber and multiple ports into the valve chamber, a valve member controllably movable relative to the valve body and configured to modulate fluid flow through the valve assembly, and a valve stem coupled to the valve member and including a first keying feature. The actuator includes a second keying feature and is configured to controllably rotate the valve member relative to the valve body. The controller is configured to operate the actuator to switch between multiple fluid supplies or multiple fluid returns. The pointer arm is coupled to the actuator via a gear mechanism and is configured to indicate an orientation of the valve member. The first keying feature and the second keying feature are configured to align the valve assembly relative to the actuator.

Integrated smart actuator device

A building management system is configured to modify an environmental condition of a building. The building management system includes a valve assembly, an actuator device, and a network sensor device. The actuator device includes a motor, a drive device driven by the motor and coupled to the valve assembly, and a controller coupled to the motor. The controller includes a microprocessor and a control application configured to enable closed loop control of the valve assembly. The network sensor device is communicably coupled to the actuator device and configured to measure an environmental property. The control application is configured to perform the closed loop control of the valve assembly based on an input control signal from a mobile device and the measured environmental property from the network sensor device.

Valve and actuator assembly with improved coupling features

Modular reverse osmosis water treatment system

A water treatment system includes a filter module (12) and a reverse osmosis module (14) secured to the filter module (12). The filter module (12) contains two filter cartridges (18, 24). The modular structure of the components enables the filter module (12) to have the two filter cartridges (18, 24) connected as separate pre and post filters or connected in series as a single two-stage filter. Similarly the modularity permits multiple reverse osmosis modules to be connected is a daisy chain manner for increased treatment capacity. A novel bracket structure aligns ports of the filter module (12) with corresponding ports on the reverse osmosis module (14).

Method and system for operating a shut-off valve of a filtration system

A filtration assembly (100) includes a feed water line (102) and a permeate line (120). A shut-off valve (106) is coupled between the permeate line and the feed water line and operative to open the feed line when the faucet (116) is opened based on a pressure differential between the feed line and the permeate line. An energy storage member (200) is located within the permeate line and configured to compress and then expand after the faucet is closed.

Modular reverse osmosis water treatment system

A water treatment system includes a filter module (12) and a reverse osmosis module (14) secured to the filter module (12). The filter module (12) contains two filter cartridges (18, 24). The modular structure of the components enables the filter module (12) to have the two filter cartridges (18, 24) connected as separate pre and post filters or connected in series as a single two-stage filter. Similarly the modularity permits multiple reverse osmosis modules to be connected is a daisy chain manner for increased treatment capacity. A novel bracket structure aligns ports of the filter module (12) with corresponding ports on the reverse osmosis module (14).