A valve system can include a valve body having an inlet and an outlet, a valve member moveable between open and closed positions to fluidically couple and decouple the inlet and the outlet, and an actuator. The actuator can include an actuation chamber, an actuator member to move the valve member, ports, and a control system. The ports can be arranged to permit flow from the inlet to first and second volumes of the actuation chamber, and to permit flow from the first and second volumes of the actuation chamber to the outlet. The control system can selectively direct fluid flow through the ports.
F16K 31/40 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
2.
COUPLING ASSEMBLIES FOR ROTARY VALVES AND RELATED VALVE TRIMS
Rotary valves and related valve trims. A valve trim for a rotary valve assembly includes a valve shaft, a flow control element coupled to the valve shaft, and a coupling assembly for coupling the valve shaft to the flow control element. The coupling assembly includes an expansion pin having a central bore and a taper pin sized for insertion in a central bore of the expansion pin. The expansion pin and the taper pin together are sized for insertion into a cross bore of the flow control element and through a lateral bore of the valve shaft. A retainer is arranged to maintain the taper pin in the central bore of the expansion pin. The retainer limits movement of the taper pin relative to the expansion pin.
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
3.
ASSEMBLIES FOR SERVICING AN INTERIOR OF A FLUID CONTROL VALVE WHILE THE FLUID CONTROL VALVE IS OPERATIONAL
A nozzle assembly for servicing an interior of a valve while the valve is operational. The assembly includes a main body adapted to engage a top side of a bonnet of the valve. The assembly includes a spray nozzle that is removably coupleable to the main body and includes a nozzle body removably disposable in a central bore of the main body, and a flow passage extending through a portion of the nozzle body, the flow passage adapted to be coupled to a source of servicing fluid for the fluid control valve. The assembly includes a tip coupled to an end of the nozzle body and in fluid communication with the flow passage, such that when the nozzle body is removably disposed in the central bore of the main body, the tip is positioned to distribute the servicing fluid from the source into an interior of the bonnet.
A multi-venturi plate for a desuperheater can include a body disposed within a steam flow path, a plurality of venturis through the body, a peripheral flow path in the body, and a plurality of supply flow paths in the body. The body can include a liquid inlet configured to receive liquid therein. The peripheral flow path can be in fluid communication with the liquid inlet. Each of the plurality of supply flow paths can be in fluid communication with the peripheral flow path and an outlet end of the multi-venturi plate.
Disclosed examples include sending commands to a positioner to stroke a valve over different ranges of travel; determining a plurality of pressure differences corresponding to the different ranges of travel; selecting a control step size for the valve based on the pressure differences; and selecting a gain value of the positioner based on the control step size.
An example apparatus is disclosed herein comprising a valve that includes a valve body defining a fluid passageway between an inlet and an outlet, a flow control member in the fluid passageway, a stem coupled to the flow control member, and a bonnet coupled to the valve body. The stem extends through a channel in the bonnet. A section of the channel forms a bore. The bore is threaded. The apparatus includes packing in the channel to form a seal between the bonnet and the stem. The apparatus includes a worm wheel nut threadably engaged with the bore. The stem extends through an opening in the worm wheel nut. The apparatus also includes a worm meshed with the worm wheel nut. The worm is to rotate the worm wheel nut to cause the worm wheel nut to move and adjust a load on the packing.
F16K 41/04 - Spindle sealings with stuffing-box with at least one ring of rubber or like material between spindle and housing
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
A plug assembly for a valve can include a valve cage, an outer plug, an inner plug, and respective outer and inner seat rings. The outer seat ring can be fixed relative to the cage and the inner seat ring can be fixed relative to the outer plug. The inner plug can be disposed within a flow cavity formed in the outer plug and fixed to a valve stem of the valve. In use, during a relatively low range of flow rates, the outer plug can remain seated on the outer seat ring and the inner plug can move axially away from the inner seat ring and within the flow cavity to provide a low flow rate control. During a relatively high range of flow rates, each of the inner and outer plugs can lift off their respective seat rings to provide a higher flow rate control.
F16K 5/08 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary Details
A packing system is disclosed for use with a valve having a valve body that defines a flow passage therethrough. The packing system includes a bonnet configured for connection to the valve body, a stem bore extending through the bonnet to receive a stem of the valve that is movable within the stem bore to control flow through the flow passage, a first packing set arranged in the stem bore surrounding a first portion of the stem, a second packing set arranged in the stem bore surrounding a second portion of the stem that is spaced apart from the first packing set by a support ring to define an inter-packing volume within the stem bore, and a pressurized barrier lubricant reservoir in communication with the inter-packing volume via a bonnet port in the bonnet to pressurize barrier lubricant within the inter-packing volume to be at or above a process pressure.
Methods, apparatus, systems, and articles of manufacture of valve packing apparatus and related methods. An apparatus includes a cartridge including packing components and a spring. The cartridge is dimensioned to fit in a bore of a bonnet of a valve. A retainer is disposed in an aperture of the cartridge. The retainer is removable from the aperture to release the spring to apply a predetermined compressive load to the stack of packing components.
A radiation shielding overlay for a portion of a valve controller or a valve assembly. The radiation shielding overlay includes a layer including a base material and a second material infused within the base material. The base material has a first density and the second material has a second density higher than the first density, increasing a density of the layer. The layer is adapted to be disposed over a surface of a housing of a valve controller or a valve assembly, such that the layer blocks radiation from reaching a component disposed within the housing.
A fluid control system is provided for controlling flow of a process fluid through a pipeline. In one example, the pipeline can include a valve that defines an upstream and a downstream portion of the pipeline. The system can include one or more instruments configured to control operation of the valve. In one example, the system can include a compressor and an expander configured to selectively receive supply gas from the upstream portion of the pipeline via a supply line. In one example, supply gas flows to the compressor and the expander via the supply line when a differential pressure between the upstream and downstream portions of the pipeline is below a predetermined threshold and does not flow to the compressor and expander when the differential pressure between the upstream and downstream portions of the pipeline is above a predetermined threshold.
F15B 21/00 - Common features of fluid actuator systemsFluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
F16K 15/18 - Check valves with actuating mechanismCombined check valves and actuated valves
An air compressor system is provided for generating compressed air for one or more pneumatic instruments on a pipeline section. The pipeline section may include a valve defining an upstream portion and a downstream portion. In one example, an expander is configured to selectively receive process fluid from the upstream portion of the pipeline via an input line. In another example, a compressor is configured to receive air via an air input line and to output compressed air to an air tank via an air output line. The expander may power the compressor via the expansion of process fluid through the expander. In one example, the expander outputs the process fluid into the downstream portion of the pipeline via an output line.
A fluid control system is provided for controlling flow of a process fluid through a pipeline. The fluid control system can include a valve, one or more instruments in fluidic communication with the valve, and a pressurized chamber. In one example, the pressurized chamber contains the one or more instruments. In one example, the pressurized chamber has a dynamically variable pressure, which corresponds to a pressure in a downstream portion of the pipeline, such as a natural gas pipeline. In another example, the pressurized chamber captures instrument gas bled/leaked from the instruments and reinjects the instrument gas into the downstream portion of the pipeline.
G05D 16/20 - Control of fluid pressure characterised by the use of electric means
F15B 5/00 - Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versaVarying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
14.
Flow control device and method of pressure control in a fluid flow
A flow control device includes a housing forming an inlet passage, an outlet passage, and a fluid passageway between the inlet passage and the outlet passage. A magnetized shaft is positioned entirely within the housing between the inlet passage and the outlet passage and a plurality of vanes are secured to the magnetized shaft and positioned in the fluid passageway. A first wire coil is moveably positioned around a first end of the magnetized shaft, external of the housing, and is linearly moveable in a direction parallel to a longitudinal axis of the magnetized shaft.
Systems, apparatus, articles of manufacture, and methods are disclosed. An example apparatus includes interface circuitry configured to connect with a field device, the field device including a first sensor, the field device powered by a power supply; computer readable instructions; and programmable circuitry powered by the power supply, the computer readable instructions to cause the programmable circuitry to: obtain a first measurement from the field device using a first communication protocol, the first measurement corresponding to the first sensor; obtain, without using the first communication protocol, a second measurement from a second sensor that is separate from the field device; and wirelessly transmit, using a second communication protocol, the first measurement and the second measurement to a controller.
A packing system is disclosed for use with a valve having a valve body that defines a flow passage therethrough. The packing system includes a bonnet configured for connection to the valve body, a stem bore extending through the bonnet to receive a stem of the valve that is movable within the stem bore to control flow through the flow passage, a first packing set arranged in the stem bore surrounding a first portion of the stem, a second packing set arranged in the stem bore surrounding a second portion of the stem that is spaced apart from the first packing set by a support ring to define an inter-packing volume within the stem bore, and a pressurized barrier lubricant reservoir in communication with the inter-packing volume via a bonnet port in the bonnet to pressurize barrier lubricant within the inter-packing volume to be at or above a process pressure.
A fluid control system is provided for controlling flow of a process fluid through a pipeline. The fluid control system can include a valve arranged to control a flow of process fluid, an actuator configured to adjust a position of the valve, and a controller configured to control movement of the actuator. The system may include a switching valve in communication with the actuator and the controller. Further, a solenoid valve may be in communication with a first port of the switching valve. In one example, depending on pressure at the first port of the switching valve, the switching valve is operable in a first state to provide process fluid to the valve controller and permit movement of the actuator and in a second state to block flow of process fluid to the valve controller and block flow of process fluid from the pneumatic actuator.
G05D 7/06 - Control of flow characterised by the use of electric means
F16K 31/40 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
F17D 3/01 - Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
18.
AERODYNAMIC NOISE REDUCING ELEMENT AND CONTROL VALVE COMPRISING SAME
A control valve includes a valve body defining an inlet and an outlet. A valve closure member is also coupled to the valve body, the valve closure member being displaceable relative to the valve body between a first closed position and a second fully-open position. An aerodynamic noise reducing element is disposed within the valve body, the aerodynamic noise reducing element including a plurality of flow channels. The plurality of flow channels includes a first flow channel and a second flow channel. The first flow channel extends along a first flow axis from an open first end to an open second end. The first flow channel includes a first fluid expansion chamber. The second flow channel extends along a second flow axis from an open first end to an open second end. The second flow channel has a second expansion chamber.
F16K 47/08 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
Apparatus for noise reduction in valves are disclosed herein. An example valve disclosed herein includes a valve body defining a fluid passageway between an inlet and an outlet, a plug, and a cage in the fluid passageway. The plug is disposed in the cage. The plug is moveable in the cage to control fluid flow through the fluid passageway. The cage includes an inner wall having first openings, an outer wall having second openings, the outer wall disposed coaxially around the inner wall, and an insert having third openings. The insert is disposed between the inner wall and the outer wall.
F16K 47/08 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member
F16K 47/14 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member the throttling member being a perforated membrane
Example valve bodies having resistant inner cores are disclosed herein. An example method includes forming a monolithic inner core of a valve body using a first material. The monolithic inner core defines a flow path of the valve body. The monolithic inner core has a thickness that varies between a first wetted portion of the flow path and a second wetted portion of the flow path different than the first wetted portion. The monolithic inner core provides erosion and corrosion resistant characteristics against process fluids. The method further includes overmolding an outer shell of the valve body to the monolithic inner core, the outer shell including a second material different than the first material.
A sealing arrangement for a valve can include a first seat portion, a second seat portion extending from the first seat portion in a first direction, and an anchor portion extending from the first seat portion in a second direction transverse to the first direction. The anchor portion can include an anchor section having a first sealing surface to provide a first seal within the valve and a convolution section arranged between the first seat portion and the anchor section and including at least one bend that is resiliently compressible in the second direction so that the first seat portion moves in the second direction when the convolution section of the anchor portion is compressed in the second direction.
F16K 5/20 - Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
A valve can include a valve body, a rotatable gate, a neck extending from the valve body, a shaft extending from the rotatable gate and through the neck, and a seal assembly configured to rotatably seal the shaft to the neck. The seal assembly can include a first stage seal having a first working temperature and coupled to the shaft at a first stage seal location, and a second stage seal having a second working temperature and coupled to the shaft at a second stage seal location farther from the valve body than the first stage seal location. The first working temperature can be higher than the second working temperature, and the seal locations and the first stage seal can be configured to prevent a second stage operating temperature at the second stage seal location from exceeding the second working temperature.
F16K 41/04 - Spindle sealings with stuffing-box with at least one ring of rubber or like material between spindle and housing
F16K 3/22 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
F16K 3/30 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing Details
A globe valve assembly can include a globe valve that can include a valve stem that defines a valve stem axis, a valve seat, a plug secured at a distal end of the valve stem, and a valve body that supports the valve seat. The valve body can define an inlet passage that extends between an inlet opening and the valve seat and an outlet passage that extends between an outlet opening and the valve seat.
A control valve includes a body having an inlet and an outlet, a valve seat positioned in a passageway of the body between the inlet and the outlet, and a valve plug movable between a closed position and an open position. A trim assembly is disposed within the body to provide guidance for the valve plug and to condition a flow of fluid through the control valve. The trim assembly includes a top portion and a bottom portion. A plurality of ribs extend between the top portion and the bottom portion and a plurality of arcuate lattice segments are removably secured between the top portion and the bottom portion and separated from adjacent lattice segments by a rib of the plurality of ribs. Each lattice segment has a plurality of passages that extend between an inner surface and an outer surface of the lattice segment.
Methods and apparatus are disclosed to reduce noise in valve. An example valve includes a valve body defining an inner cavity that fluidly couples an inlet of the valve and an outlet of the valve, the inner cavity having an inner wall with annular cavities spaced apart from one another along a direction of flow of the valve body, a trim to vary a degree of flow of fluid between the inlet and the outlet, and a screen positioned within the inner cavity, the screen at least partially surrounded by the annular cavities and including a pattern of apertures to disperse sound waves generated when the fluid moves therethrough.
F16K 47/02 - Means in valves for absorbing fluid energy for preventing water-hammer or noise
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
Example valve trim apparatus are disclosed. An example valve trim apparatus includes a valve plug having a sidewall defining a plug cavity and a plurality of throttle ports. The throttle ports are radially spaced relative to a longitudinal axis of the valve plug. The throttle ports include throttle flow passageways to provide fluid communication between an inner surface of the throttle ports and an outer surface of the sidewall of the valve plug. The valve plug includes a plurality of throttle plugs positioned in respective ones of the throttle ports and movable relative to the throttle flow passageways to control fluid flow through the throttle flow passageways when the valve plug is sealingly engaged with a valve seat.
Methods, apparatus, systems and articles of manufacture are disclosed for power selection. An example method includes, when a first limit switch detects that a first device is in a first position, powering a second device based on a first output of the first limit switch, when a second limit switch detects that the first device is in a second position, powering the second device based on a second output of the second limit switch, and performing the diagnostic task based on at least one of the first output or the second output.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
F16K 31/42 - Operating meansReleasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
Valve cages having lattice structure are disclosed herein. An example cage includes a first end portion, a second end portion opposite the first end portion, and a wall between the first end portion and the second end portion. The wall includes a skeleton frame having a plurality of frame walls extending between the first end and the second end portion. The skeleton frame defines a plurality of windows. The wall also includes lattice structure in the windows.
Process control instruments having local intrinsic safety barriers and methods of manufacturing the same are disclosed. An example field instrument for a process control assembly includes a non-protection compartment, intrinsically safe circuitry positioned in the non-protection compartment, a protection compartment, non-intrinsically safe circuitry positioned in the protection compartment, and local barrier circuitry positioned in the protection compartment to operatively couple the non-intrinsically safe circuitry to the intrinsically safe circuitry, the local barrier circuitry to prevent the intrinsically safe circuitry from receiving an electrical energy that is greater than an electrical energy threshold from the non-intrinsically safe circuitry.
H02H 9/00 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
H02H 9/02 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
H02H 9/04 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
30.
SYSTEMS AND METHODS FOR LOCKING-IN AN OPERATIVE POSITION OF A VALVE
A method of controlling a valve can include monitoring electrical power supplied to the valve and/or monitoring pneumatic pressure supplied to the valve. Upon failure of the electrical power and/or pneumatic pressure, the operative position of the valve can be held in its last position and/or moved to a fail-safe position. Whether the valve position is held, or moved to a fail-safe position, can be independent of, or dependent upon, the position of the valve and/or an error in position of the valve.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
F16K 31/126 - Operating meansReleasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
A feedthrough apparatus, such as for a passage through a barrier between a first compartment and a second compartment of a housing, can include a sleeve configured to sealingly couple with the passage, a printed circuit board (PCB) disposed through the sleeve and configured to provide electrical communication among the first compartment and the second compartment of the housing, and a seal disposed within the sleeve. The seal can be sealingly coupled to the PCB, and the sleeve, the PCB and the seal can be configured to hermetically seal the passage. The seal can include potting material and a V-groove connection.
A valve, such as a ball valve, can include a noise attenuation assembly to control fluid expansion through the valve and provide noise abatement. The valve can include a valve body and a valve stem and the noise attenuation assembly can include a flow control body and a trim body. The flow control body can be coupled to the valve stem and the flow control body can be configured to selectively permit fluid flow through the valve body in an axial direction. The trim body can include a plurality of channels to control fluid expansion during fluid flow through the valve body. The trim body can be engaged with the flow control body at first and second mounting structures of the flow control body to secure the trim within a fluid pathway of the flow control body.
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 5/12 - Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
F16K 47/04 - Means in valves for absorbing fluid energy for decreasing pressure, the throttle being incorporated in the closure member
F16K 47/08 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member
33.
Event Logging for Valves and Other Flow Control Devices
A control system for a valve or other flow control device can include a processor device. The control system can further include a memory in communication with the processor device. The memory may have a fixed maximum capacity. The control system can further include one or more ports to receive signals corresponding to events for the valve or other flow control device. The processor device can be configured to execute operations that include: over a time interval, counting a quantity of events of a first type, corresponding to the signals received at the one or more ports, and after the time interval, storing in the memory a record of the first type of event over the time interval, based on the counted quantity.
A valve sealing arrangement is disclosed for use with a valve having a valve body, a control member arranged in a flow passage of the valve body, a rotary shaft arranged in a bore of the valve body configured to move the control member between closed and open positions, and a valve seat. The valve seat can include an anchor portion secured to the valve body that has an anchor section with a first sealing surface and a convolution section extending from the anchor section with at least one bend, a first seat portion with a second sealing surface contacting the control member that is moveable via the at least one bend of the convolution section, and a second seat portion extending from the first seat portion with a contact surface contacting a side wall of the flow passage.
F16K 5/20 - Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
35.
METHODS AND APPARATUS FOR OPTIMALLY POSITIONING OBJECTS FOR AUTOMATED MACHINING
Methods and apparatus for optimally positioning objects for automated machining are described herein. An example build file generator described herein includes an object file manager to identify a first toolpath volume associated with a first object to be formed via an additive manufacturing (AM) process. The first toolpath volume is based on a first toolpath of a first post-manufacturing process to be used on the first object. The object file manager is also to identify a second toolpath volume associated with a second object to be formed via the AM process. The second toolpath volume is based on a second toolpath of a second post-manufacturing process to be used on the second object. The example build file generator also includes a layout determiner to determine a layout of the first and second objects to be formed on a substrate by the AM process based on the first and second toolpath volumes.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
Methods and apparatus to analyze valve characteristics are disclosed. A disclosed example apparatus to determine at least one characteristic of a valve includes at least one memory, machine readable instructions, and processor circuitry to at least one of instantiate or execute the machine readable instructions to partition a valve stroke curve of the valve to define bins thereof, the valve stroke curve corresponding to stroke data of the valve, filter data points associated with a seat contact portion of the valve stroke curve, fit curves of the bins to define fitted curves, and characterize a seat contact of the valve based on the fitted curves.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
37.
METHODS AND APPARATUS TO ANALYZE VALVE CHARACTERISTICS
Methods and apparatus to analyze valve characteristics are disclosed. A disclosed example apparatus to determine at least one characteristic of a valve includes at least one memory, machine readable instructions, and processor circuitry to at least one of instantiate or execute the machine readable instructions to: partition a valve stroke curve of the valve to define bins thereof, the valve stroke curve corresponding to stroke data of the valve, determine travel edges based on the valve stroke curve, filter data points corresponding to the travel edges, define fitted curves based on data corresponding to the bins, and determine the at least one characteristic of the valve based on the fitted curves.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
Systems and methods may be provided to execute online tests of a valve in a digital valve positioner. The digital valve positioner may receive a request to execute a test of the valve, which specifies a test start point, and queue the request for execution. The digital valve positioner may subsequently receive a new setpoint for the valve. The digital valve positioner may further reposition the valve according to the new setpoint. The digital valve positioner may further, while the valve is being repositioned, compare the test start point to a current position of the valve, and in response to determining that the current position of the valve has reached the test start point, collect sensor data indicative of the operation of the valve, to generate results of the test.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
Variable flow characteristic valves are disclosed. A disclosed example valve for controlling a flow characteristic therethrough includes a first plate having a first aperture pattern, a second plate proximate the first plate, the second plate having a second aperture pattern, and a rotator to rotate the second plate relative to the first plate to vary a degree of alignment between the first and second aperture patterns.
A valve, such as a ball valve, can include a noise attenuation assembly to control fluid expansion through the valve and provide noise abatement. The valve can include a valve body and a valve stem and the noise attenuation assembly can include a flow control body and a trim body. The flow control body can be coupled to the valve stem and the flow control body can be configured to selectively permit fluid flow through the valve body in an axial direction. The trim body can include a plurality of channels to control fluid expansion during fluid flow through the valve body. The trim body can be engaged with the flow control body at first and second mounting structures of the flow control body to secure the trim within a fluid pathway of the flow control body.
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 1/14 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve members
F16K 5/12 - Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
F16K 47/04 - Means in valves for absorbing fluid energy for decreasing pressure, the throttle being incorporated in the closure member
F16K 47/08 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member
41.
Packing system and diagnostic method for a packing system of a valve assembly
A packing system is disclosed for use with a valve having a bonnet and a flow passage extending between an inlet and an outlet of a valve body. A bore can extend through the bonnet to receive a stem that moves a control member to control flow through the flow passage. A first packing arrangement can be arranged in the bore about a first portion of the stem. A second packing arrangement can be arranged in the bore about a second portion of the stem with the first packing arrangement between the second packing arrangement and the valve body. A bore port can extend through the bonnet and open into an inter-packing volume of the bore between the first and second packing arrangements and can provide fluid communication between the inter-packing volume and the outlet of the valve or other lower pressure area.
F16K 17/38 - Safety valvesEqualising valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
Apparatus for noise reduction in valves are disclosed herein. An example valve disclosed herein includes a valve body defining a fluid passageway between an inlet and an outlet, a plug, and a cage in the fluid passageway. The plug is disposed in the cage. The plug is moveable in the cage to control fluid flow through the fluid passageway. The cage includes an inner wall having first openings, an outer wall having second openings, the outer wall disposed coaxially around the inner wall, and an insert having third openings. The insert is disposed between the inner wall and the outer wall.
F16K 47/08 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member
F16K 47/14 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member the throttling member being a perforated membrane
43.
Valve Degradation Detection via Stroke Time Analysis
A valve assembly monitoring system receives operational data that is representative of one or more parameters of a valve assembly's operation and that is collected by the valve assembly during normal operation. The valve assembly monitoring system is configured to identify, based on the operational data, a change in valve travel setpoint that indicates a start of a valve transition and a subsequent change in valve travel that indicates an end of the valve transition. Based on the identified start and end of the valve transition, the valve assembly monitoring system is configured to generate a valve transition time and to compare the generated transition time to transition time limits of the valve assembly to alert maintenance personnel to problematic increases in transition time.
G05B 19/416 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control of velocity, acceleration or deceleration
G05B 19/406 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
Stabilized cutting tool assemblies. A cutting tool assembly for use with a reference surface includes a tool holder having a rotational axis. The tool holder is arranged for attachment to a drive source arranged to rotate the tool holder and move the tool holder relative to a reference surface. The cutting tool assembly includes a rotatable cutting tool coupled to the tool holder. The cutting tool includes a cutting surface and has a first portion and a second portion. The first portion is disposed adjacent the tool holder. The cutting tool assembly includes a stabilizer coupled to the cutting tool adjacent the second portion. The stabilizer has a bearing surface. The bearing surface is positioned on the second portion to abut the reference surface and to stabilize the cutting tool when the drive source moves the tool holder and the cutting tool to a position adjacent the reference surface.
B23D 47/02 - Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of framesSawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of guiding arrangements for work-table or saw-carrier
B23D 47/12 - Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of drives for circular saw blades
B23D 59/02 - Devices for lubricating or cooling circular saw blades
Methods, apparatus, systems, and articles of manufacture of valve packing apparatus and related methods are described. An apparatus includes a cartridge including packing components and a spring. The cartridge is dimensioned to fit in a bore of a bonnet of a valve. A cap is coupled to the cartridge to retain the packing components and the spring. The cap is to compress the packing components and the spring to a predetermined load in response to the cartridge being fastened to the bonnet of a valve.
Methods, apparatus, systems, and articles of manufacture of valve packing apparatus and related methods. An apparatus includes a cartridge including packing components and a spring. The cartridge is dimensioned to fit in a bore of a bonnet of a valve. A retainer is disposed in an aperture of the cartridge. The retainer is removable from the aperture to release the spring to apply a predetermined compressive load to the stack of packing components.
Techniques that enable the installation of a level sensor capable of continuously detecting a level of fluid in a vessel or tank and capable of being integrated in a larger control system. Advantageously, the sensor head of the level sensor can be installed on existing installations with an existing displacer or float and an existing member or rod. The techniques thus enable process plants to easily and affordably replace pneumatic level sensors with a more environmentally friendly option.
G01F 23/36 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using electrically actuated indicating means
G01F 23/68 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type using electrically actuated indicating means
G05B 19/406 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Communication devices for industrial process control; electronic monitors and monitor modules for monitoring the operation of equipment used to process fluids; electronic monitors to collect operational data and settings, including pressure, temperature, and valve travel data and settings, from process control equipment to monitor and optimize performance of that equipment.
Methods and apparatus are disclosed to reduce noise in valve. An example valve includes a valve body defining an inner cavity that fluidly couples an inlet of the valve and an outlet of the valve, the inner cavity having an inner wall with annular cavities spaced apart from one another along a direction of flow of the valve body, a trim to vary a degree of flow of fluid between the inlet and the outlet, and a screen positioned within the inner cavity, the screen at least partially surrounded by the annular cavities and including a pattern of apertures to disperse sound waves generated when the fluid moves therethrough.
F16K 47/02 - Means in valves for absorbing fluid energy for preventing water-hammer or noise
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
50.
Packing system and diagnostic method for a packing system of a valve assembly
A packing system is disclosed for use with a valve having a bonnet and a flow passage extending between an inlet and an outlet of a valve body. A bore can extend through the bonnet to receive a stem that moves a control member to control flow through the flow passage. A first packing arrangement can be arranged in the bore about a first portion of the stem. A second packing arrangement can be arranged in the bore about a second portion of the stem with the first packing arrangement between the second packing arrangement and the valve body. A bore port can extend through the bonnet and open into an inter-packing volume of the bore between the first and second packing arrangements and can provide fluid communication between the inter-packing volume and the outlet of the valve or other lower pressure area.
F16K 17/38 - Safety valvesEqualising valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
A method of custom manufacturing a fluid pressure reduction device for use in a process control valve. The method includes creating the fluid pressure reduction device using an additive manufacturing technique, which generally includes forming a body and forming a plurality of flow paths in the body. The body has an inner wall and an outer wall spaced radially outward of the inner wall. The flow paths are formed in the body between the inner wall and the outer wall of the body. Each of the flow paths includes an inlet section formed in one of the inner and outer walls, a curved intermediate section, and an outlet section formed in the other of the inner and outer walls.
F16K 47/08 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member
F16K 47/12 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member the throttling channel being of helical form
A valve assembly for a process fluid is disclosed that includes an integrated controller configured to control an on-off valve actuator based on signals from a sensor that indicates a measured parameter of the process fluid. The integrated controller is further configured to: (i) in response to receiving a first signal corresponding to an open-position valve command signal, control the on-off valve actuator to move the valve element from a starting position to a first partially-open position, (ii) evaluate a first criteria condition for further actuation of the valve element, (iii) in response to the first criteria condition being satisfied, control the on-off valve actuator to move the valve element to a second partially-open position, and (iv) in response to receiving a second signal corresponding to a closed-position valve command signal, control the on-off valve actuator to move the valve element to the closed position.
A spool valve includes a sleeve with multiple axial ports positioned over the length of the sleeve and an adjustable spool component that couples neighboring ones of the sleeve's ports based on a position of the spool component within the sleeve. The adjustable spool component includes multiple sub-components having positions that are adjustable relative to each other such that the dimensions of the spool component can be tailored to precisely match the corresponding sleeve.
F16K 11/07 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with linearly sliding closure members with cylindrical slides
F16K 27/04 - Construction of housingsUse of materials therefor of sliding valves
F16K 31/02 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic
Example valve bodies having resistant inner cores are disclosed herein. An example valve body comprises a metal core including a fluid inlet, a fluid outlet, and a fluid passageway extending between the fluid inlet and the fluid outlet, and an exterior shell overmolded with the metal core, the exterior shell bonded to the metal core, the exterior shell to provide a pressure-boundary of the valve body.
Valve plugs including hardened tips are disclosed herein. An example apparatus disclosed herein includes a plug holder, a sleeve coupled to the plug holder, the sleeve including a lip, a valve plug tip retained by the lip, and a spacer disposed between the plug holder and the tip, the sleeve surrounding the spacer.
Methods, apparatus, systems and articles of manufacture are disclosed for automatically determining friction of a control valve. An example method includes measuring first and second pressures corresponding to respective first and second positions of a valve while stroking the valve in a first direction, measuring third and fourth pressures corresponding, respectively, to the second and first positions while stroking the valve in a second direction opposite the first direction, determining a first pressure difference between the second and third pressures, determining a second pressure difference between the first and fourth pressures, determining an average pressure based on the first and second pressure differences, comparing the average pressure to a third pressure difference corresponding to a range of travel of an actuator including the first and second positions, and determining a control step size for the valve based on the comparison.
09 - Scientific and electric apparatus and instruments
Goods & Services
Communication devices for industrial process control;
electronic monitors and monitor modules for monitoring the
operation of equipment used to process fluids; electronic
monitors to collect operational data and settings, including
pressure, temperature, and valve travel data and settings,
from process control equipment to monitor and optimize
performance of that equipment.
58.
Double ported control valves for low flow rate applications
An example method includes moving a first portion of a control element and a second portion of the control element coupled to the first portion from a closed position to an intermediate position. In the closed position, the first portion being seated against a first valve seat thereby preventing flow through a first orifice and the second portion being seated against a second valve seat thereby preventing flow through a second orifice. In the intermediate position, flow through the first orifice is deterred and flow through the second orifice is permitted. The method includes moving the first portion and the second portion from the intermediate position to an open position. In the open position, the first portion being spaced from the first valve seat thereby permitting flow through the first orifice and the second portion being spaced from the second valve seat thereby permitting flow through the second orifice.
Rotary ball valves with noise attenuators are disclosed herein. An example rotary ball valve includes a valve body defining a passageway between an inlet and an outlet, a ring-shaped seal in the passageway, a closure member in the passageway, the closure member rotatable in the passageway relative to the seal, and a noise attenuator coupled to the closure member in the passageway. The closure member and the noise attenuator are rotatable between a closed position, a fully open position, and a plurality of intermediate positions between the closed position and the fully open position. The noise attenuator includes walls that are spaced apart from each other. The walls at least partially form a plurality of channels. The channels are aligned with the passageway when the noise attenuator is in the fully open position. The walls include a first wall that is curved such that such that when the noise attenuator is in a first intermediate position, an edge of the first wall is aligned with the seal.
F16K 47/04 - Means in valves for absorbing fluid energy for decreasing pressure, the throttle being incorporated in the closure member
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
A fluid flow control device include a valve body including an inlet, an outlet, and a passageway extending between the inlet and the outlet. A valve trim is at least partially disposed in the passageway of the valve body. The valve trim includes a restrictor having a wall and a plurality of passages extending through the wall. A diffuser is coupled to the restrictor and including a porous body. The porous body is adjacent to the plurality of passages of the restrictor.
F16K 47/14 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member the throttling member being a perforated membrane
61.
Valve assemblies with integrated temperature control
A valve control assembly includes a valve body having an inlet adapted to be coupled to a source of process fluid having a first temperature, an outlet, and a fluid flow path extending between the inlet and the outlet, and a bonnet coupled to the valve body. An inlet port, an outlet port, an annular plenum, an inlet passage, and an outlet passage are integrally formed in the valve body or the bonnet. The inlet port is adapted to be coupled to source of media and the annular plenum is disposed between the inlet port and the outlet port, immediately adjacent a portion of the fluid flow path. The inlet passage directs the media from the inlet port to the annular plenum, which changes a temperature of the process fluid flowing through the fluid flow path from the first temperature to a second temperature different from the first temperature.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
F16K 3/30 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing Details
A high flow/low flow valve includes a valve body having a fluid inlet and a fluid outlet connected to one another by a fluid passageway. A valve seat is disposed in the fluid passageway. A low flow valve plug is disposed in the fluid passageway proximate valve seat, the low flow valve plug cooperating with the valve seat to control fluid flow through the valve seat. A high flow valve plug is disposed in the fluid passageway proximate valve seat, the high flow valve plug cooperating with the valve seat to control fluid flow through the valve seat. A low flow actuator is operatively connected to the low flow valve plug and a high flow actuator operatively connected to the high flow valve plug.
A modular valve assembly includes a bonnetless main core, a first releasable connection, and a second releasable connection. A first inlet end connection includes a first inlet end flow passage. The first inlet end flow passage includes a curved portion that changes a direction of the first inlet end flow passage between 30 and 120 degrees. A second inlet end connection includes a second inlet end flow passage. The second inlet end connection passage is substantially straight. A first outlet end connection includes a first outlet end flow passage. The first outlet end flow passage includes an angled portion. A second outlet end connection passage includes a second outlet end flow passage. The first and second inlet end connections and the first and second outlet end connections are rapidly reconfigurable to form a variety of valve configurations.
F16K 27/04 - Construction of housingsUse of materials therefor of sliding valves
F16K 3/24 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
F16K 47/08 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member
Methods, apparatus, systems, and articles of manufacture are disclosed for a valve plug apparatus for use with control valves. An example valve plug apparatus disclosed herein an upper plug segment, a middle plug segment, and a lower plug segment, the middle plug segment positioned between the upper plug segment and the lower plug segment, the upper plug segment, the middle plug segment and the lower plug segment defining an overall length of the valve plug, the middle plug segment removably coupled to the upper plug segment and the lower plug segment.
F16K 39/02 - Devices for relieving the pressure on the sealing faces for lift valves
F16K 1/04 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle with a cut-off member rigid with the spindle, e.g. main valves
F16K 1/48 - Attaching valve members to valve-spindles
An attenuator dome for a ball valve includes a body defining an upstream surface and a downstream surface. The body has first and second attenuation sections. The first attenuation section has a single stage with a first plurality of passages extending from the upstream surface to the downstream surface. The second attenuation section has a first stage with a second plurality of passages extending from the upstream surface to a first plenum formed inside the body and a second stage with a third plurality of passages extending from the first plenum to the downstream surface. The single stage of the first attenuation section has first flow area percentage, the first stage of the second attenuation section has a second flow area percentage less than the first flow area percentage, and the second stage has a third flow area percentage greater than the second flow area percentage.
F16K 47/14 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member the throttling member being a perforated membrane
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
An injection valve including a valve body defining an inlet, an outlet, and a fluid flow path connecting the inlet and the outlet. A valve shaft is disposed in the valve body, and a valve plug is operatively connected to the valve shaft. The valve plug is movable between an open position, in which the valve plug permits fluid flow between the inlet and the outlet, and a closed position, in which the valve plug limits flow between the inlet and the outlet. A seat ring defines a valve seat and is proximally disposed relative to the outlet of the valve body. The valve plug moves away from the valve seat when moving in a direction toward the valve body, and toward the valve seat when moving in a direction away from the valve body.
B05B 1/30 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
Methods, apparatus, systems and articles of manufacture for reducing noise and/or cavitation in valves are disclosed. An example disclosed herein includes a valve including a valve body including a fluid inlet, a fluid outlet, and a fluid passageway extending between the fluid inlet and the fluid outlet, and a valve trim apparatus disposed in the fluid passageway, the valve trim apparatus including a plug and a cage, the plug circumscribing the cage, the plug including first openings, the cage including second openings, the plug movable relative to the cage between a first position to enable fluid communication between the first openings of the plug and the second openings of the cage, and a second position to prevent fluid communication between the first openings of the plug and the second openings of the cage.
F16K 3/26 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
F16K 47/02 - Means in valves for absorbing fluid energy for preventing water-hammer or noise
Fluid valves with an anti-stagnation trim guide are disclosed herein. An example valve includes a valve body including a fluid inlet, a fluid outlet, and a fluid passageway extending between the fluid inlet and the fluid outlet, a plug disposed in the fluid passageway, and a trim guide positioned between the plug and the valve body, the trim guide including at least one balance passageway, the balance passageway to guide trapped process fluid to enter or exit an area between the plug and a bonnet of the valve during movement of the plug.
F16K 1/12 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
09 - Scientific and electric apparatus and instruments
Goods & Services
Electronic monitors and monitor modules for monitoring the operation of equipment used to process fluids; Electronic monitors to collect operational data and settings from process control equipment to monitor and optimize performance of that equipment
70.
Valve bodies and methods of manufacturing the same
Valve bodies and methods of manufacturing the same are disclosed. An example method of manufacturing a valve body includes forming a first duct extending from a first side of the valve body, forming a first wall in the valve body at least partially protruding from a surface of the first duct, the first wall defining a chamber, forming one or more openings in the first wall to fluidly couple the chamber to the first duct, and forming a second duct extending from a second side of the valve body opposite the first, the second duct fluidly coupled to the chamber.
B23P 5/00 - Setting gems or the like on metal parts, e.g. diamonds on tools
F16K 3/24 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
B23P 15/00 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
B33Y 80/00 - Products made by additive manufacturing
The present disclosure includes a retaining ring for a valve plug assembly. The retaining ring includes a first ring portion having an inner surface with a central axis extending along a circumference of the first ring portion, and a rib disposed on the inner surface of the first ring portion and offset from the central axis. The retaining ring also includes a second ring portion having an inner surface with a central axis extending along a circumference of the second ring portion, and a rib disposed on the inner surface of the second ring portion and offset from the central axis. The second ring portion is coupled to the first ring portion such that each of the ribs disposed on the inner surfaces of the first and second ring portions are configured to mate with a groove of a valve plug.
F16K 3/24 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
F16K 5/02 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfacesPackings therefor
A control system for a valve or other flow control device can include a processor device. The control system can further include a memory in communication with the processor device. The memory may have a fixed maximum capacity. The control system can further include one or more ports to receive signals corresponding to events for the valve or other flow control device. The processor device can be configured to execute operations that include: over a time interval, counting a quantity of events of a first type, corresponding to the signals received at the one or more ports, and after the time interval, storing in the memory a record of the first type of event over the time interval, based on the counted quantity.
A modular valve assembly can include a core spool module and a plurality of end connection modules. The end connection modules can be configured to be secured to the core spool module at one or more of a core inlet or a core outlet of the core spool module to provide one or more respective, different flow configurations for the modular valve assembly. The core spool module can include a bonnet portion that is integrally formed with the core inlet and the core outlet and a seat ring configured to provide a seal against flow of process fluid through the modular valve assembly.
F16K 27/04 - Construction of housingsUse of materials therefor of sliding valves
F16K 11/07 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with linearly sliding closure members with cylindrical slides
74.
Anti-cavitation cage for valve assembly and method of manufacture
An anti-cavitation cage for a valve assembly. The anti-cavitation cage includes a body having a plurality of slots, a first end, and a second end. At least one slot of the plurality of slots includes an inside surface having a lattice structure. The lattice structure is one of uniform in grade through the at least one slot or a graded type of lattice structure varying in density from a first portion to a second portion. The anti-cavitation cage having these features is a single component.
F16K 47/08 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
F16K 3/24 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
Wear-resistant electro-pneumatic converters are disclosed. An electro-pneumatic converter includes a body including an axial passageway extending between a first opening and a second opening, the first opening associated with a supply port, the supply port to receive pressurized fluid from a pressure supply source, a solenoid disposed within the axial passageway, an armature including a first side and a second side opposite the first side, the second side facing the solenoid, the armature movable between a first position and a second position, the pressurized fluid blocked from flowing through the output port when the armature is in the first position, the pressurized fluid to flow through the output port when the armature is in the second position, and a spring coupled to the first side of the armature, the spring to bias the armature toward the first position.
A fluid flow control device include a valve body including an inlet, an outlet, and a passageway extending between the inlet and the outlet. A valve trim is at least partially disposed in the passageway of the valve body. The valve trim includes a restrictor having a wall and a plurality of passages extending through the wall. A diffuser is coupled to the restrictor and including a porous body. The porous body is adjacent to the plurality of passages of the restrictor.
F16K 47/14 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member the throttling member being a perforated membrane
A linear feedback travel assembly includes a first tube end, a second tube end, and a longitudinal axis. A drive rod includes a first end and a second end, and a cam includes a first end, a second end, and a wall defining a bore, a first slot, and a second slot. The cam is movable along, and rotatable about, the longitudinal axis. A first pin is movably disposed in the first slot of the cam and is fixed relative to the first tube end. A second pin is movably disposed in the second slot of the cam and connects the drive rod to the cam. When the cam moves along the longitudinal axis, the first pin moves within the first slot and rotates the cam about the longitudinal axis. The second pin rotates the drive rod as the second pin moves within the second slot of the cam.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
The disclosed techniques enable the installation of a level sensor capable of continuously detecting a level of fluid in a vessel or tank and capable of being integrated in a larger control system. Advantageously, sensor head of the disclosed level sensor can be installed on existing installations with an existing displacer or float and an existing member or rod. The disclosed techniques thus enable process plants to easily and affordably replace pneumatic level sensors with a more environmentally friendly option.
G01F 23/36 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using electrically actuated indicating means
G05B 19/406 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
G01F 23/68 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type using electrically actuated indicating means
79.
Spray heads for use with desuperheaters and desuperheaters including such spray heads
Spray heads for use with desuperheaters and desuperheaters including such spray heads. One example of a spray head includes a main body having an exterior surface and defining a central passage, the main body adapted for connection to a source of fluid, at least one entrance port formed in the main body along the central passage, and at least one spray nozzle arranged adjacent the exterior surface of the main body. The spray head also includes a plurality of flow passages, each of the plurality of flow passages providing fluid communication between the entrance port and an exit opening of the spray nozzle. A first one of the plurality of flow passages follows a first non-linear path and has a first distance, and a second one of the plurality of flow passages follows a second non-linear path and has a second distance different from the first distance.
An example method to obtain process data associated with a process control system received from a field device includes identifying, at a computing device, associated data and a payload included in the data packet, the associated data including a source bit, determining, at the computing device, a type of connection between the field device and the computing device based on the source bit, determining, at the computing device, an encryption key identifier and an initialization vector based on an auxiliary data packet received prior to the data packet, generating, at the computing device, a nonce value based on the source bit and the initialization vector, the nonce value indicative of an input to a data encryption algorithm used by the field device to encrypt the payload, and extracting, at the computing device, the process data associated with the process control system from the payload.
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
A method of servicing a trim cartridge assembly for a valve assembly. The method includes cutting a portion of a bonnet of a trim cartridge assembly and separating the bonnet from a cage of the trim cartridge assembly. The method also includes removing at least one of a retaining ring, a remaining portion of the bonnet, and a spiral wound gasket. The method still further includes replacing the remaining portion of the bonnet with a spacer of a trim cartridge repair kit and disposing a replacement flat sheet gasket of the trim cartridge repair kit at a first end of the spacer. The method also includes disposing a replacement spiral wound gasket of the trim cartridge repair kit at a second end of the spacer opposite the first end of the spacer.
Methods, apparatus, systems and articles of manufacture are disclosed for power selection, including evaluating a first power source to determine if the first power source is available, evaluating a second power source to determine if the second power source is available, upon determining that a power source of the first and second power sources is available, selecting the power source, providing power from the selected power source to a sensor, and performing the diagnostic task based on an input from the sensor.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
F16K 31/42 - Operating meansReleasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
A valve trim assembly configured to be disposed in a fluid flow control valve, including, a valve seat adapted to be disposed in a fluid passageway of the fluid flow control valve. The valve seat includes an annular flange and a seating surface spaced from the annular flange. The valve trim assembly additionally includes a fluid control member movable relative to the valve seat to control fluid flow through the fluid passageway, wherein the fluid control member is movable from a closed position, in which the fluid control member sealingly engages the seating surface of the valve seat, and an open position, in which the fluid control member is spaced from the seating surface, by moving the fluid control member away from the annular flange of the valve seat.
F16K 1/12 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened
To generate a setpoint signal to stroke a valve during a partial-stroke test, a first target is determined for the setpoint signal based at least on a travel displacement threshold, the travel displacement threshold corresponding to a desired extent of travel of the valve during the partial-stroke test; the setpoint signal is ramped from an initial value to the first target, during a first time interval; subsequently to the first time interval, the setpoint signal is maintained at the first target during a second time interval; a second target is determined for the setpoint signal based at least on the initial value; and during a third time interval subsequent to the second interval, the setpoint signal is ramped from the first target to the second target in a direction opposite to the ramping of the setpoint signal during the first time interval.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
F15B 15/06 - Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non-rectilinear movement
F15B 19/00 - Testing fluid-pressure actuator systems or apparatus, so far as not provided for elsewhere
F16K 31/163 - Operating meansReleasing devices actuated by fluid with a mechanism, other than pulling- or pushing-rod, between fluid motor and closure member the fluid acting on a piston
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
F16K 31/122 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston
F15B 21/08 - Servomotor systems incorporating electrically- operated control means
85.
Valve packing having independently loaded packing rings
A valve packing having independently loaded packing rings is disclosed. A packing assembly for a fluid valve includes a first packing ring, a first follower to be disposed at least partially within a bore of a bonnet of the fluid valve to apply a first load to the first packing ring, a second packing ring sized to fit within a bore of the first follower, and a second follower to be disposed at least partially within the bore of the first follower to apply a second load to the second packing ring within the bore of the first follower.
Methods and apparatus to adjust operation of a fluid flow control assembly are disclosed. An example safety valve controller apparatus includes comparator circuitry to compare a current measurement to at least one of a first threshold associated with a first flow setting of a fluid flow control assembly or a second threshold associated with a second flow setting of the fluid flow control assembly, and determine a first drive signal associated with the first flow setting or a second drive signal associated with the second flow setting in response to satisfying a respective one of the first or second thresholds, and current modulating circuitry to determine a third drive signal based on the current measurement, the third drive signal to modulate the flow setting of the fluid flow control assembly between the first and second flow settings.
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
G05B 19/05 - Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
87.
Bonnet and valve trim assembly and related methods
Bonnet and valve trim assembly and related methods are described. An example bonnet and valve trim assembly includes a bonnet structured to couple to a valve body via a valve body mounting flange, the bonnet including a cage mounting interface. A cage defining a body has a bonnet mounting interface to couple to the cage mounting interface of the bonnet. A retainer retains the cage mounting interface and the bonnet mounting interface to couple the cage and the bonnet. The retainer to enable axial movement between the cage and the bonnet when the retainer is coupled to the cage and the bonnet.
A pipe cleaning assembly has a connection fixture having a body defining a cavity. A first aperture, opposing first auxiliary aperture coaxially aligned with the first aperture, second aperture, and opposing second auxiliary aperture coaxially aligned with the second aperture are in fluid communication with the cavity. A first connection flange extends from and surrounds the first aperture, a second connection flange extends from and surrounds the second aperture, a third connection flange extends from and surrounds the first auxiliary aperture, and a fourth connection flange extends from and surrounds the second auxiliary aperture. A first valve is connected to the third connection flange to control fluid flow through the first auxiliary aperture.
A pipe cleaning assembly has a connection fixture having a body defining a cavity. A first aperture, opposing second aperture coaxially aligned with the first aperture, first auxiliary aperture, and opposing second auxiliary aperture coaxially aligned with the first auxiliary aperture are in fluid communication with the cavity. A first connection flange extends from and surrounding the first aperture and a second connection flange extends from and surrounding the second aperture. A rotatable bonnet inserted through the second auxiliary aperture and includes a cylindrical wall having an open first end, an end wall at a second end, and a plurality of openings through the wall. An actuator is mounted to the bonnet with an actuator shaft extending through an opening in the end wall. A valve plug is secured to the actuator shaft and positioned within the bonnet.
A pipe cleaning assembly has a connection fixture having a body defining a cavity. A first aperture, opposing first auxiliary aperture coaxially aligned with the first aperture, second aperture, and opposing second auxiliary aperture coaxially aligned with the second aperture are in fluid communication with the cavity. A first connection flange extends from and surrounds the first aperture, a second connection flange extends from and surrounds the second aperture, a third connection flange extends from and surrounds the first auxiliary aperture, and a fourth connection flange extends from and surrounds the second auxiliary aperture. A bonnet is inserted through the second auxiliary aperture and is positioned within the cavity of the body and includes a generally cylindrical wall and a plurality of openings formed through the cylindrical wall to direct fluid flowing through the connection fixture.
An example valve includes a valve body, a cage, and a plug. The valve body includes a fluid passageway extending between a fluid inlet and a fluid outlet. The cage and the plug are disposed in the fluid passageway. The cage includes a first annular sidewall having an inner layer and an outer layer that circumscribes the inner layer. The inner layer includes first openings extending through the inner layer. The outer layer includes second openings extending through the outer layer. The second openings are in fluid communication with the first openings. The second openings are smaller than the first openings. The plug includes a second annular sidewall circumscribed by the first annular sidewall. The second annular sidewall includes third openings extending through the second annular sidewall. The plug is movable relative to the cage to selectively place the third openings in fluid communication with the first openings.
F16K 47/08 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member
F16K 3/26 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
F16K 47/14 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member the throttling member being a perforated membrane
F16K 47/04 - Means in valves for absorbing fluid energy for decreasing pressure, the throttle being incorporated in the closure member
An apparatus for noise reduction in valves is disclosed. A disclosed example valve includes a valve body including a fluid passageway, and a cage located in the fluid passageway, the cage including a wall having openings, a fluid to flow from an inner surface of the wall to an outer surface of the wall through the openings, each of the openings including respective ribs, the ribs to follow a helical path along a length of each opening to cause rotation of the fluid flowing through the openings.
F16K 47/12 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member the throttling channel being of helical form
F16K 47/06 - Means in valves for absorbing fluid energy for decreasing pressure, the throttle being incorporated in the closure member with a throttle in the form of a helical channel
Flow control seals are disclosed. A disclosed example seal for use with a valve includes an annular body defining an interior channel, and a closed body disposed within and covering a portion of the interior channel of the annular body, the closed body including an aperture extending therethrough to change a flow direction of fluid as the valve is opened.
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 5/12 - Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
94.
Radiation shielding overlay and method of manufacture
A radiation shielding overlay for a portion of a valve controller or a valve assembly. The radiation shielding overlay includes a layer including a base material and a second material infused within the base material. The base material has a first density and the second material has a second density higher than the first density, increasing a density of the layer. The layer is adapted to be disposed over a surface of a housing of a valve controller or a valve assembly, such that the layer blocks radiation from reaching a component disposed within the housing.
B32B 5/14 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
A digital positioner for a valve includes a valve controller configured to obtain a set point value for a valve travel of a valve, and generate a pulse-width modulated current signal based on the set point value. The digital positioner also includes a current-to-pressure converter configured to receive the pulse-width modulated current signal from the valve controller, convert the pulse-width modulated current signal to a pulse-width modulated pressure signal, and provide the pulse-width modulated pressure signal to a pneumatic actuator in the valve to adjust a position of the valve.
H02P 29/028 - Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the motor continuing operation despite the fault condition, e.g. eliminating, compensating for or remedying the fault
H02P 29/032 - Preventing damage to the motor, e.g. setting individual current limits for different drive conditions
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
A valve trim includes a body having a plurality of parallel flow passages extending from a first end of the body to a second end of the body, opposite the first end. Each flow passage includes a throat and an expansion chamber and each throat is nested between the expansion chambers of directly adjacent flow passages.
F16K 47/00 - Means in valves for absorbing fluid energy
F16K 47/08 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member
F16K 47/04 - Means in valves for absorbing fluid energy for decreasing pressure, the throttle being incorporated in the closure member
F16K 1/32 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces Details
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
97.
Floating valve seat for a rotary control valve for use in severe service applications
A valve seat is provided for use in a rotary valve for use in highly corrosive and abrasive applications. The valve seat includes a seat body adapted to selectively engage a portion of the floating ball element. The valve seat also includes a sealing element disposed in a first groove formed in the seat body and adapted to prevent fluid flow between the seat body and the valve body. The valve seat further includes a first bearing disposed in a second groove formed in the seat body, and a second bearing disposed in a third groove formed in the seat body, wherein the second and third grooves are formed immediately adjacent the first groove such that the first and second bearings are disposed immediately adjacent the sealing element.
F16K 5/20 - Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
98.
Apparatus for managing pressure events in protective casings and related methods
Apparatus for managing pressure events in protective casings and related methods are disclosed. An example apparatus includes a first body including a pressure inlet port, a pressure outlet port, and a groove defined in a wall of the first body. The example apparatus includes a gasket at least partially disposed in the groove. The example apparatus includes a second body removably coupled to the first body. The first body and the second body define a housing. An edge of the second body is to extend over the wall of the first body. The edge includes a lip. A portion of the lip includes a notch defined therein to enable a portion of the gasket to extrude from the groove in response to a pressure event in the housing.
G05D 16/06 - Control of fluid pressure without auxiliary power the sensing element being a flexible member yielding to pressure, e.g. diaphragm, bellows, capsule
99.
Method to provide analog voltage signal proportional to 4-20MA transmitter current using a DCDC converter across galvanic isolation of a transformer
The present disclosure provides a circuit comprising: a 4-20 mA transmitter; a transformer having a primary winding and a secondary winding; a first current-sense resistor connected in series with the primary winding and a current regulator, wherein the current-sense resistor is configured to measure a first voltage and provide the measured first voltage to the current regulator, the current regulator being configured to output a current proportional to the measured first voltage; and a second current-sense resistor connected in series with the secondary winding, wherein the current-sense resistor is configured to measure a second voltage such that a current associated with the 4-20 mA transmitter is determined based on the second voltage.
The described methods and systems enable a control panel for a safety valve in a safety system of a process control environment to couple to a safety loop that couples a logic solver to a valve positioner for the safety valve. The control panel may drive a loop current on the safety loop to a desired range, thereby causing the valve positioner to respond by initiating a desired function triggered by the loop current entering the desired range. The desired function may be a trip function, a reset function, or a stroke test function.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
G06F 3/0484 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
G05B 15/02 - Systems controlled by a computer electric
