A control valve that includes a split valve body. The split valve body includes a first body portion, a second body portion, a flow path, an inlet port, and an outlet port. The flow path passes through the first body portion and the second body portion. The first body portion is coupled to the second body portion. The control valve also includes a valve seat. The valve seat is disposed between the first body portion and the second body portion. The control valve also includes a valve plug. The valve plug is movable relative to the valve seat to control fluid flow through the control valve.
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 31/122 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston
A regulator for hydrogen or other media can include a regulator body and an inlet into the regulator body. A first regulator stage can be downstream of the inlet and a second regulator stage can be downstream of the first regulator stage. An interstage passage can extend between the first and second regulator stages and an outlet from the regulator body can be downstream of the second regulator stage. The first regulator stage can include a first valve seat, a first valve stem, and a first sensor configured to transmit pressure force to urge the valve stem toward the valve seat. The second regulator stage can include a second valve seat, a second valve stem, and a second sensor configured to transmit pressure force to urge the second valve stem toward the second valve seat.
A pilot actuated valve assembly (10) includes a valve body (12) having an inlet (14) and an outlet (16), and includes a main valve (30), a pilot valve (34), and a pilot cavity (66) which is at a pilot cavity pressure. A tube (44) houses parts of the pilot valve, and a sleeve (48) engages a portion of the tube, with both being secured to the body by a valve bonnet (52). The main and pilot valves are coaxial. A solenoid actuator (18) is operatively coupled to a shaft (58) of the pilot valve and shifts the pilot valve between the positions. Consequently, the main valve shifts between the closed and open positions in response to shifting of the pilot valve between the closed and open positions.
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
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
A pilot actuated valve assembly includes a valve body having an inlet and an outlet, and includes a main valve, a pilot valve, and a pilot cavity which is at a pilot cavity pressure. A tube houses parts of the pilot valve, and a sleeve engages a portion of the tube, with both being secured to the body by a valve bonnet. The main and pilot valves are coaxial. A solenoid actuator or other suitable actuator is operatively coupled to a shaft of the pilot valve and shifts the pilot valve between the positions. Consequently, the main valve shifts between the closed and open positions in response to shifting of the pilot valve between the closed and open positions.
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
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
5.
MANIFOLD FOR CONNECTING TWO OR MORE FLUID CONTROL DEVICES
A manifold for connecting two or more fluid control devices to a common fluid source. The manifold includes a first manifold block adapted to be coupled to a first fluid control device, and a second manifold block adapted to be coupled to a second fluid control device. The manifold also includes a first slot formed in the first manifold block and a second slot formed in the second manifold block. The first slot and second slot each have a substantially circular shape in cross-section. The manifold further includes a slot connector configured to couple the first manifold block and the second manifold block together, the slot connector having a first end sized to be disposed in the first slot and a second end sized to be disposed in the second slot.
A high pressure fluid control device includes a valve body defining an inlet, an outlet, and a throat disposed between the inlet and the outlet. The valve body defines a longitudinal axis. A valve seat is disposed in the throat and includes a sloped surface. A seat support is disposed in the throat and is adjacent to the valve seat. The seat support includes a sloped surface adjacent to the sloped surface of the valve seat. A control element is disposed in the valve body and includes a stem and a seating surface. The control element is movable between an open position, in which the seating surface is spaced away from the valve seat, and a closed position, in which the seating surface engages the valve seat. The sloped surface of the seat support provides a rigid support to the valve seat to resist deformation of the valve seat.
Process control systems and associated monoflanges. An example process control system includes a fluidic line having a longitudinal axis and including a fluidic connection having an axis angled relative to the longitudinal axis of the fluidic line. The process control system includes a primary block valve having an inlet port and an outlet port. The inlet port is coupled to the fluidic connection. The process control system includes a monoflange including a male portion forming an inlet port and including an external threaded surface and includes an outlet and a flanged interface surrounding the outlet port of the monoflange. The monoflange includes a bleed port and a bleed valve adapted to control fluid flow to the bleed port and a secondary block valve adapted to control fluid flow from the outlet port. The external threaded surface of the male portion threadably engages the outlet port of primary block valve.
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 1/30 - 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 specially adapted for pressure containers
F16K 11/22 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
F16K 27/00 - Construction of housingsUse of materials therefor
8.
Process control systems and associated monoflanges
In accordance with an example, a process control system includes a fluidic line having a longitudinal axis and including a fluidic connection. The fluidic connection has an axis angled relative to the longitudinal axis of the fluidic line. The process control system includes a primary block valve having an inlet port and an outlet port. The inlet port is coupled to the fluidic connection. The process control system includes a monoflange including a male portion forming an inlet port and including an external threaded surface. The monoflange includes an outlet and a flanged interface surrounding the outlet port of the monoflange. The monoflange includes a bleed port. The monoflange includes a bleed valve adapted to control fluid flow from the bleed port and a secondary block valve adapted to control fluid flow from the outlet port. The external threaded surface of the male portion threadably engages the outlet port of primary block valve.
F16K 11/22 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
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 11/10 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit
F16K 17/02 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
A temperature-controlled pressure regulator assembly includes a regulator having a regulator body, a valve seat, an inlet, an outlet, and defines a flow passage connecting the inlet and the outlet. A control element controls the device, a portion of the flow passage extends through a heat chamber, and a heater is positioned to heat the chamber thereby conveying heat to a fluid in the flow passage. A controller is electrically coupled to the heater and is coupled to a power source. A thermal cut-off fuse is coupled to a control circuit, with the thermal cut-off fuse arranged to electrically decouple the heater from the control circuit in response to a temperature exceeding a threshold, thereby deactivating the heater. The thermal cut-off fuse is disposed in a circular fuse holder and positioned adjacent the heater and adjacent a longitudinal center of the heat chamber.
G05D 16/02 - Modifications to reduce the effects of instability, e.g. due to vibrations, friction, abnormal temperature, overloading or imbalance
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
G05D 16/20 - Control of fluid pressure characterised by the use of electric means
G05D 23/19 - Control of temperature characterised by the use of electric means
F16K 49/00 - Means in or on valves for heating or cooling
A temperature-controlled pressure regulator assembly includes a regulator having a regulator body, a valve seat, an inlet, an outlet, and defines a flow passage fluidly connecting the inlet and the outlet. A control element controls through the device, and a portion of the flow passage extends through a heat chamber. A heater is positioned to convey heat to the heat chamber thereby conveying heat to a fluid in the portion of the flow passage. A controller is electrically coupled to the heater by a control circuit, with the controller coupled to a power source and arranged to control the heater. A thermal cut-off fuse is operatively coupled to the circuit, with the thermal cut-off fuse arranged to electrically decouple the heater from the control circuit in response to a temperature exceeding a threshold, thereby deactivating the heater. The thermal cut-off fuse is disposed in a circular fuse holder and positioned adjacent the heater and adjacent a longitudinal center of the heat chamber.
G05D 23/02 - Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature
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
An example control valve includes a split valve body (101). The split valve body includes a first body portion (102), a second body portion (104), a flow path, an inlet port (106), and an outlet port (108). The flow path passes through the first body portion and the second body portion. The first body portion is coupled to the second body portion. The control valve also includes a valve seat (132). The valve seat is disposed between the first body portion and the second body portion. The control valve also includes a valve plug (136). The valve plug is movable relative to the valve seat to control fluid flow through the control valve.
A high pressure fluid control device includes a valve body (101) defining an inlet (106), an outlet (108), and a throat (116) disposed between the inlet and the outlet. The valve body defines a longitudinal axis. A valve seat (122) is disposed in the throat and includes a sloped surface. A seat support (124) is disposed in the throat and is adjacent to the valve seat. The seat support includes a sloped surface adjacent to the sloped surface of the valve seat. A control element (136) is disposed in the valve body and includes a stem (138) and a seating surface (142). The control element is movable between an open position, in which the seating surface is spaced away from the valve seat, and a closed position, in which the seating surface engages the valve seat. The sloped surface of the seat support provides a rigid support to the valve seat to resist deformation of the valve seat.
An example control valve includes a split valve body. The split valve body includes a first body portion, a second body portion, a flow path, an inlet port, and an outlet port. The flow path passes through the first body portion and the second body portion. The first body portion is coupled to the second body portion. The control valve also includes a valve seat. The valve seat is disposed between the first body portion and the second body portion. The control valve also includes a valve plug. The valve plug is movable relative to the valve seat to control fluid flow through the control valve.
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 31/122 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston
An end connector for connecting a fluid pipeline to a fluid flow control device. The end connector includes a body adapted to engage an external surface of the fluid flow control device, and a plurality of bolt holes formed through the body and adapted to receive a plurality of bolts, respectively, to couple the body to the fluid flow control device. The end connector also includes a cross-hole formed through at least a portion of the body and adapted to carry fluid between the fluid pipeline and the fluid flow control device. The bolt holes are circumferentially arranged around a central axis of the body, and the cross-hole is centered about an axis offset from the central axis of the body.
A valve assembly includes a sensing cavity and a piston cavity defined in valve body and/or in a bonnet. A piston head of a piston may be disposed within the piston cavity, and a piston stem has an end portion in contact with valve plug. A baffle plate has a first surface defining a portion of the sensing cavity and a second surface defines a portion of the piston cavity. The baffle plate includes at least one baffle aperture such that the sensing cavity is in fluid communication with the piston cavity, and pressure in the sensing cavity acts on a surface of the piston head to displace the piston and the valve plug between an open and closed position. The at least one baffle aperture is adapted to restrict the flow of fluid between the sensing cavity and the first working volume.
An electro-pneumatic controller includes a base having a body, a top surface, and a bore formed within the body; a cover coupled to the base, the cover having an open end with a rim, the rim contacting the top surface of the base; a plurality of fluid flow paths formed within the base; and at least one flame arrestor disposed within one of the fluid flow paths.
A62C 4/02 - Flame traps allowing passage of gas but not of flame or explosion wave in gas-pipes
F15B 11/00 - Servomotor systems without provision for follow-up action
F16K 27/00 - Construction of housingsUse of materials therefor
G05B 11/50 - Automatic controllers pneumatic only with auxiliary power in which the output signal represents a continuous function of the deviation from the desired value, i.e. continuous controllers
G05D 16/20 - Control of fluid pressure characterised by the use of electric means
17.
Methods and apparatus to couple manifold blocks to form a manifold
Methods and apparatus to couple manifold blocks to form a manifold are disclosed. An example apparatus includes a first manifold block including a first fluid passageway defining a first opening in a first surface of the first manifold block. The example apparatus includes a first keyway extending along the first surface of the first manifold block. The example apparatus includes a first key to be inserted in the first keyway and a second keyway of a second manifold block to couple the first manifold block to the second manifold block to fluidly couple the first fluid passageway to a second fluid passageway of the second manifold block.
A system for providing a force on a main valve member includes a first sensing element adapted to couple to a portion of the main valve member. A first loading element may be directly or indirectly coupled to the first sensing element such that the first loading element provides a first force on the first sensing element. The first loading element is adapted to transfer the first force to the first sensing element and the main valve member. The system also includes a second sensing element to the first sensing element. A second loading element is coupled to the second sensing element and the first sensing element. The second loading element is adapted to provide a second force on the second sensing element to transfer the second force to the main valve member.
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
A system for providing a force on a main valve member includes a first sensing element adapted to couple to a portion of the main valve member. A first loading element may be directly or indirectly coupled to the first sensing element such that the first loading element provides a first force on the first sensing element. The first loading element is adapted to transfer the first force to the first sensing element and the main valve member. The system also includes a second sensing element to the first sensing element. A second loading element is coupled to the second sensing element and the first sensing element. The second loading element is adapted to provide a second force on the second sensing element to transfer the second force to the main valve member.
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
G05D 16/20 - Control of fluid pressure characterised by the use of electric means
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
G05D 16/10 - Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
A fluid regulator (100) includes a regulator body (102), a retainer (152), and a cartridge (170). The regulator body defines a fluid inlet (104), a fluid outlet (106), a fluid flow path connecting the fluid inlet to the fluid outlet, and an opening disposed in communication with the fluid flow path. The retainer is at least partially disposed within the opening of the regulator body and has a central bore (154) extending along a longitudinal axis thereof and a counterbore (158) formed along an end of the central bore. The cartridge is adapted to be at least partially disposed within the central bore of the retainer along the central longitudinal axis (L1) and comprises an end portion (172) having a surface extending radially from the central longitudinal axis. Upon the cartridge being at least partially disposed within the central bore of the retainer, the counterbore of the retainer and the surface of the cartridge form a connecting groove.
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
21.
BACK PRESSURE CONTROL REGULATOR WITH IN-LINE OVERPRESSURE RELIEF
A back pressure regulator with in-line over pressure relief includes a first pressure regulator and a second pressure regulator arranged fluidly in parallel, which are connected by a common regulator housing.
An electro-pneumatic controller includes a base having a body, a top surface, and a bore formed within the body; a cover coupled to the base, the cover having an open end with a rim, the rim contacting the top surface of the base; a plurality of fluid flow paths formed within the base; and at least one flame arrestor disposed within one of the fluid flow paths.
An electro-pneumatic controller includes a base portion having at least one lateral surface and a plurality of passageways disposed through the base portion. A bore extends through the lateral surface, and the bore has a counterbore portion and a threaded engagement portion. A standard NPT plug may be coupled to the base portion, and the plug has a head portion and an engagement portion that threadedly engages the engagement portion of the bore. A top surface of the head portion of the plug is coplanar with the lateral surface of the base portion or is disposed within the counterbore portion of the bore.
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
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
A62C 4/00 - Flame traps allowing passage of gas but not of flame or explosion wave
A tool for inserting a flame arrestor assembly into a process control device having a first passageway of a first depth and a second passageway of a second depth different from the first depth. The tool includes a head portion having a first diameter, and a tip portion having a second diameter less than the first diameter. The tip portion has a first portion, a second portion, and a third portion, the first and second portions being separated by a first notch, and the second and third portions being separated by a second notch. The first notch is arranged to indicate when the flame arrestor assembly is fully inserted into the first passageway, and the second notch is arranged to indicate when the flame arrestor assembly is fully inserted into the second passageway.
An electro-pneumatic controller for use with a regulator. The electro-pneumatic controller includes a base (122) having a body (123), a top surface (124), and a bore formed within the body. A locking mechanism is disposed within the bore of the body of the base, the locking mechanism having a top surface flush with the top surface of the base. A cover (150) is coupled to the base and includes an open end with a rim, the rim contacting the top surface of the base and a portion of the top surface of the locking mechanism. The locking mechanism is rotated via a tool in a counter-clockwise direction after the cover contacts a portion of the top surface of the locking mechanism to lock the cover to the base.
An electro-pneumatic controller (10) includes a base portion (92) having at least one lateral surface (100) and a plurality of passageways (97)disposed through the base portion. A bore extends through the lateral surface, and the bore has a counterbore portion and a threaded engagement portion. A standard NPT plug may be coupled to the base portion, and the plug has a head portion and an engagement portion that threadedly engages the engagement portion of the bore. A top surface of the head portion of the plug is coplanar with the lateral surface of the base portion or is disposed within the counterbore portion of the bore.
An electro-pneumatic controller adapted to use a non-inert fluid as a control fluid includes a base portion and a cap portion removeably secured to the base portion. A non-intrinsically-safe process may be disposed within an interior of the cap portion. A plurality of passageways may be disposed through the base portion. The electro-pneumatic controller may also include a flameproof barrier assembly which may include a plurality of flameproof joints each disposed within desired portion of the plurality of passageways. The plurality of flameproof joints cooperate to at least partially define a first zone, the flameproof joints adapted to prevent or to limit the spread of an open fire or explosion that might occur due to the ignition of the non-inert control fluid.
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
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
28.
Locking mechanism and method for an electro-pneumatic controller
An electro-pneumatic controller for use with a regulator. The electro-pneumatic controller includes a base having a body, a top surface, and a bore formed within the body. A locking mechanism is disposed within the bore of the body of the base, the locking mechanism having a top surface flush with the top surface of the base. A cover is coupled to the base and includes an open end with a rim, the rim contacting the top surface of the base and a portion of the top surface of the locking mechanism. The locking mechanism is rotated via a tool in a counter-clockwise direction after the cover contacts a portion of the top surface of the locking mechanism to lock the cover to the base.
A tool for inserting a flame arrestor assembly into a process control device having a first passageway of a first depth and a second passageway of a second depth different from the first depth. The tool includes a head portion having a first diameter, and a tip portion having a second diameter less than the first diameter. The tip portion has a first portion, a second portion, and a third portion, the first and second portions being separated by a first notch, and the second and third portions being separated by a second notch. The first notch is arranged to indicate when the flame arrestor assembly is fully inserted into the first passageway, and the second notch is arranged to indicate when the flame arrestor assembly is fully inserted into the second passageway.
B25B 27/14 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
A62C 4/00 - Flame traps allowing passage of gas but not of flame or explosion wave
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
An electro-pneumatic controller adapted to use a non-inert fluid as a control fluid includes a base portion and a cap portion removeably secured to the base portion. A non-intrinsically-safe process may be disposed within an interior of the cap portion. A plurality of passageways may be disposed through the base portion. The electro-pneumatic controller may also include a flameproof barrier assembly which may include a plurality of flameproof joints each disposed within desired portion of the plurality of passageways. The plurality of flameproof joints cooperate to at least partially define a first zone, the flameproof joints adapted to prevent or to limit the spread of an open fire or explosion that might occur due to the ignition of the non-inert control fluid.
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
F16K 31/128 - Operating meansReleasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like servo actuated
A62C 4/00 - Flame traps allowing passage of gas but not of flame or explosion wave
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
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F15B 11/00 - Servomotor systems without provision for follow-up action
G05D 16/20 - Control of fluid pressure characterised by the use of electric means
A flame arrestor assembly configured to extinguish a flame propagating between a process control device and a combustible environment outside the process control device. The flame arrestor assembly includes a flame arrestor and a retaining element. The flame arrestor has a body adapted to be disposed within a fluid flow passageway of the process control device. The retaining element is adapted to be disposed within the fluid flow passageway of the process control device proximate to the flame arrestor, and is configured to securely retain the flame arrestor within the fluid flow passageway of the process control device.
A62C 4/00 - Flame traps allowing passage of gas but not of flame or explosion wave
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
A62C 3/06 - Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
32.
METHODS, APPARATUSES AND SYSTEMS FOR CONTROLLING A VALVE BASED ON A COMBINATION OF A CHARACTERISTIC CURVE FOR THE VALVE AND A PROPORTIONAL, INTEGRAL AND DERIVATIVE SIGNAL VALUE
A process device control may use a combination of a characteristic curve for the device and a proportional, integral and derivative signal value. The characteristic curve for the device may define operational characteristics of the process device. The proportional, integral and derivative signal value may be representative of process device operational deviations from the characteristic curve.
Temperature-controlled pressure regulators are described. An example method for controlling temperature-controlled pressure regulator includes receiving an input signal indicative of a value representative of a temperature setpoint, where the input signal is within an operating temperature range. The method includes regulating a heat output of a heat source via a control signal based on the received input signal, measuring a temperature of the heat source, comparing the temperature of the heat source to a first threshold, and modifying the control signal to the heat source when the measured temperature is greater than the first threshold, where the first threshold is greater than an upper limit of the operating temperature range.
A fluid regulating unit includes a body, a pressure regulator, and a control valve. The body has an inlet, an outlet configured to output a regulated flow of fluid, and a flow path defined between the inlet and the outlet. The body integrates a pressure regulator and a control valve, each of which is disposed in the flow path. The pressure regulator has a regulator body, a control assembly configured to control a fluid flow through the regulator body, a sensor operatively coupled to the control assembly to control a position of the control element, and a bonnet movably coupled to the regulator body. The regulator body and the bonnet define a reference chamber disposed in the flow path. The reference chamber is configured to apply a reference force to the sensor to control the fluid flow through the regulator body.
A pressure relief valve includes a one-piece combined plug (30) that includes a seat (60) at one end, a spring guide (64) at another end, and a plug (68) between the seat and the spring guide. A central bore (72) extends through the spring guide and the plug and a branch channel (74) extends outward from one end of the central bore.
F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded
F16K 17/06 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
A control valve includes a body (100), a first end cap (200), a second end cap (300), an insert (400) and a piston (500). The first end cap, second end cap, and insert are removably secured to the body and define a first port, second port, and third port of the control valve, respectively. The piston is positioned within the bore of the body and is movable between a first position in which the first port is in fluid communication with the second port and not with the third port and a second position in which the first port is in fluid communication with the third port and not with the second port.
F16K 11/044 - 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 lift valves with movable valve members positioned between valve seats
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
37.
Regulators having an isolated loading chamber and blowout prevention apparatus
Fluid regulators are described. An example fluid regulator described herein includes a regulator body defining a sensing chamber between an inlet and an outlet, a bonnet coupled to the regulator body, the bonnet defining a loading chamber, the loading chamber being fluidly isolated from the sensing chamber and an environment surrounding the fluid regulator, a guide disposed between the sensing chamber and the loading chamber, the guide defining a vent flow path, the vent flow path to enable the sensing chamber to vent to the environment during a failure condition of the fluid regulator, a transverse bore defined between an interior surface of the regulator body and an exterior surface of the regulator body, the transverse bore being aligned with the vent flow path to enable fluid communication between the transverse bore, the vent flow path, and the environment surrounding the fluid regulator, the exterior surface of the regulator body defining a groove that is partially defined by the transverse bore, and a filter to be disposed in the groove to cover an outlet of the transverse bore.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Metal valves not being parts of machines; metal manifolds for use with hydraulic and pneumatic systems Valves being parts of machines; regulators being parts of machines Pressure controllers for controlling the pressure of liquid, semi-liquid, and gaseous substances in industrial processes; Pressure regulators for controlling liquid or gas pressure in process control systems; pressure regulators for controlling liquid or gas pressure in medical systems; control valves for regulating the flow of liquids and gases; electric actuators; component parts for all of the foregoing, namely, housings for all the foregoing, and metal valve trim for the aforementioned valves and regulators Plumbing fittings, namely, valves; pressure regulators for gas installations; pressure regulators for sanitary installations; and pressure regulators for water installations
An electronic regulator includes an inlet valve coupled to an inlet port, the inlet port configured to receive a supply pressure, and an exhaust valve coupled to an exhaust port, the exhaust port configured to release a pilot pressure when the exhaust valve is open. The electronic regulator also includes a pilot pressure output pneumatically coupled to the inlet valve and exhaust valve and configured to be coupled to an external process control device to provide the pilot pressure to the external process control device. A setpoint input coupled to both the inlet valve and the exhaust valve receives a setpoint signal indicative of a setpoint value, and the electronic regulator operates the inlet valve and the exhaust valve to control the pilot pressure according to the setpoint value. Further, the electronic regulator includes a vent valve coupled to a venting port and pneumatically coupled to the pilot pressure output. The venting port is configured to release the pilot pressure according to the safety control signal.
G05B 19/045 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using logic state machines, consisting only of a memory or a programmable logic device containing the logic for the controlled machine and in which the state of its outputs is dependent on the state of its inputs or part of its own output states, e.g. binary decision controllers, finite state controllers
G05D 16/20 - Control of fluid pressure characterised by the use of electric means
An electronic regulator includes an inlet valve coupled to an inlet port, the inlet port configured to receive a supply pressure, and an exhaust valve coupled to an exhaust port, the exhaust port configured to release a pilot pressure when the exhaust valve is open. The electronic regulator also includes a pilot pressure output pneumatically coupled to the inlet valve and exhaust valve and configured to be coupled to an external process control device to provide the pilot pressure to the external process control device. A setpoint input coupled to both the inlet valve and the exhaust valve receives a setpoint signal indicative of a setpoint value, and the electronic regulator operates the inlet valve and the exhaust valve to control the pilot pressure according to the setpoint value. Further, the electronic regulator includes a vent valve coupled to a venting port and pneumatically coupled to the pilot pressure output. The venting port is configured to release the pilot pressure according to the safety control signal.
F16K 31/12 - Operating meansReleasing devices actuated by fluid
F15B 13/02 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
G05D 16/20 - Control of fluid pressure characterised by the use of electric means
G05B 19/045 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using logic state machines, consisting only of a memory or a programmable logic device containing the logic for the controlled machine and in which the state of its outputs is dependent on the state of its inputs or part of its own output states, e.g. binary decision controllers, finite state controllers
Corrugated diaphragm apparatus for improved cycle life of a diaphragm are described herein. One described example apparatus includes a valve body having an inlet and an outlet to allow fluid to flow therethrough, a backing plate disposed within a bonnet and coupled to the valve body, and first and second diaphragms. Each diaphragm has a corrugated profile and is in a stacked configuration. The diaphragms are operatively coupled to the backing plate and each of the diaphragms is clamped between the valve body and the bonnet proximate a peripheral edge of the diaphragm.
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
42.
METHOD AND APPARATUS FOR CONDITIONAL CONTROL OF AN ELECTRONIC PRESSURE REGULATOR
An intelligent pressure regulator in a process control system is controlled according to a profile constructed by a user on a computer connected to the device. The profile is a multi- step command sequence. The profile includes at least one conditional statement and, optionally, at least one branching statement. That is, the profile includes at least one statement that, depending on whether the statement is true or false, causes the device to execute a first command or a second command, respectively. The profile may also include a statement (e.g., a "goto" statement) that causes the device to skip one or more commands in the profile.
A method of managing fluid supply in a process control system is provided. The method includes identifying, via a controller of a pilot device, a predetermined minimum source pressure, the predetermined minimum source pressure being the minimum pressure required at a fluid supply source to permit a simultaneous operation of all of a plurality of process lines. The method also includes determining, via the controller, whether a pressure of the fluid supply source is less than the predetermined minimum source pressure. The method further includes determining, via the controller, that the fluid supply source is to be changed when the pressure of the fluid supply source is less than the predetermined minimum source pressure.
A method of stabilizing pressure in an intelligent regulator assembly is provided. The method includes receiving, at an on-board controller of a pilot device, a request to activate a suspend control mode. The method also includes activating, via the on-board controller, the suspend control mode. The activation of the suspend control mode includes adjusting an inlet valve and an exhaust valve of the pilot device, and suspending control of the inlet valve and the exhaust 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
F15B 19/00 - Testing fluid-pressure actuator systems or apparatus, so far as not provided for elsewhere
45.
SYSTEM AND METHOD FOR CONTROLLING AND MONITORING A FIELD DEVICE
Method of monitoring a field device is provided. A method of collecting data in a field device includes receiving indications of one or more variables for which data should be collected, receiving indications of one or more trigger events to trigger collection of data, receiving one or more threshold values associated with each of the one or more trigger events, monitoring the one or more trigger events, and initiating data collection when at least one of the one or more trigger events crosses one or more of the threshold values associated with the corresponding trigger event.
A method of controlling a regulator with a pilot device includes periodically detecting an outlet pressure at an outlet of the regulator with a feedback pressure sensor. The method also includes comparing each detected outlet pressure with a set-point control pressure. Additionally, the method includes opening an exhaust valve of the pilot device when a detected outlet pressure is determined to be greater than the set-point control pressure such that a loading gas in the pilot device, which is applied to a top surface of a diaphragm of the regulator, exhausts out through the exhaust valve to reduce loading on the diaphragm. The method further includes sensing a loading pressure in the outlet port of the pilot valve with the loading pressure sensor after opening the exhaust valve and comparing the loading pressure to a predetermined minimum threshold pressure. When the loading pressure is determined to be equal to or less than the predetermined minimum threshold value, the method includes closing the exhaust valve.
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
G05D 16/20 - Control of fluid pressure characterised by the use of electric means
G05D 7/01 - Control of flow without auxiliary power
F16K 7/12 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm
47.
SYSTEM AND METHOD FOR DIAGNOSING A PRESSURE REGULATOR
A diagnostic system and method for a pressure regulator in a process plant is provided. The diagnostic apparatus includes a processor operatively coupled to the pressure regulator; a memory operatively coupled to the processor; and a sensor operatively coupled to an inlet valve of the pressure regulator, an exhaust valve of the pressure regulator, and the processor. A diagnostic module is stored in the memory, and when executed by the processor, presents a diagnostic tool at a user interface.
A diagnostic system and method for a pressure regulator in a process plant is provided. The diagnostic apparatus includes a processor operatively coupled to the pressure regulator; a memory operatively coupled to the processor; and a sensor operatively coupled to an inlet valve of the pressure regulator, an exhaust valve of the pressure regulator, and the processor. A diagnostic module is stored in the memory, and when executed by the processor, presents a diagnostic tool at a user interface.
G01M 3/04 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
G01M 3/08 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for valves
G01M 3/00 - Investigating fluid tightness of structures
An intelligent pressure regulator in a process control system is controlled according to a profile constructed by a user on a computer connected to the device. The profile is a multi-step command sequence. The profile includes at least one conditional statement and, optionally, at least one branching statement. That is, the profile includes at least one statement that, depending on whether the statement is true or false, causes the device to execute a first command or a second command, respectively. The profile may also include a statement (e.g., a “goto” statement) that causes the device to skip one or more commands in the profile.
G05B 19/045 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using logic state machines, consisting only of a memory or a programmable logic device containing the logic for the controlled machine and in which the state of its outputs is dependent on the state of its inputs or part of its own output states, e.g. binary decision controllers, finite state controllers
G05D 16/20 - Control of fluid pressure characterised by the use of electric means
50.
System and methods for control and monitoring of a field device
A method of collecting data in a field device includes receiving indications of variables for which data is collected, receiving indications of trigger events to trigger collection of data, receiving threshold values associated with each of the trigger events, monitoring the trigger events, and initiating data collection when at least one of the trigger events crosses one the threshold values associated with the corresponding trigger event. A method of tuning a PID controller in a field device includes setting a limited range for selecting a value for a control parameter of the PID controller, selecting the value of the control parameter, wherein the selected value is constrained to be within the limited range, transmitting the selected value to the field device, obtaining, from the field device, a measurement of a response of the field device to a setpoint change, and displaying the obtained response measurements to a user.
A method of controlling a regulator with a pilot device includes periodically detecting an outlet pressure at an outlet of the regulator with a feedback pressure sensor. The method also includes comparing each detected outlet pressure with a set-point control pressure. Additionally, the method includes opening an exhaust valve when a detected outlet pressure is greater than the set-point control pressure so that a loading gas, which is applied to a top surface of a diaphragm of the regulator, exhausts out through the exhaust valve to reduce loading on the diaphragm. The method further includes sensing a loading pressure in the outlet port with a loading pressure sensor after opening the exhaust valve and comparing the loading pressure to a predetermined minimum threshold pressure. When the loading pressure is equal to or less than the predetermined minimum threshold value, the method includes closing the exhaust valve.
G05D 16/20 - Control of fluid pressure characterised by the use of electric means
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
F16K 7/12 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm
G05D 7/01 - Control of flow without auxiliary power
52.
FLUID FLOW REGULATOR WITH INTEGRATED RAPID PRESSURIZATION BYPASS VALVE
A fluid flow control device includes a regulator for operating at high pressures and an integral bypass valve. The regulator and the bypass valve each include a control assembly that is movable between an open position and a closed position. The regulator and bypass valves are biased into the open positions and adapted to move into the closed positions when an operating pressure rises to above respective regulator and bypass set- point pressures. The bypass set-point pressure is lower than the regulator set-point pressure such that when the operating pressure rises above the bypass set-point pressure, the bypass valve automatically closes and allows the regulator to perform under normal operating conditions. So configured, the bypass valve is arranged to accommodate at least some of the fluid flow through the system until the operating pressure reaches the normal operating pressure, which is somewhere between the bypass and regulator set-point pressures.
A fluid flow control device includes a regulator for operating at high pressures and an integral bypass valve. The regulator and the bypass valve each include a control assembly that is movable between an open position and a closed position. The regulator and bypass valves are biased into the open positions and adapted to move into the closed positions when an operating pressure rises to above respective regulator and bypass set-point pressures. The bypass set-point pressure is lower than the regulator set-point pressure such that when the operating pressure rises above the bypass set-point pressure, the bypass valve automatically closes and allows the regulator to perform under normal operating conditions. So configured, the bypass valve is arranged to accommodate at least some of the fluid flow through the system until the operating pressure reaches the normal operating pressure, which is somewhere between the bypass and regulator set-point pressures.
A pressure reducing valve including a balanced valve cartridge. The balanced valve cartridge has a retainer including a central bore. A valve seat and a valve plug are disposed within the central bore and cooperate to open and close the valve. A cap closes one end of the central bore, the cap including a blind bore for receiving a portion of the valve plug. Downstream fluid pressure is transmitted into the blind bore through a hollow portion of the valve plug, thus balancing the valve plug within the retainer.
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
Manual overrides for valves are disclosed herein. An example apparatus includes an actuator (102) to move a stem (18) of a valve. The actuator includes a housing (126,150) defining a bore (128) and a piston (132) disposed in the bore. The example apparatus also includes a rod (170) movably coupled to the housing to extend into the bore, and the piston is to be movable via the rod or a fluid to flow into the bore. The example apparatus also includes a lock (188) to hold the rod in a first position on the housing where the rod is to disable a supply of the fluid to the bore.
Manual overrides for valves are disclosed herein. An example apparatus includes an actuator to move a stem of a valve. The actuator includes a housing defining a bore and a piston disposed in the bore. The example apparatus also includes a rod movably coupled to the housing to extend into the bore, and the piston is to be movable via the rod or a fluid to flow into the bore. The example apparatus also includes a lock to hold the rod in a first position on the housing where the rod is to disable a supply of the fluid to the bore.
F16K 31/143 - Operating meansReleasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston
F16K 35/10 - Means to prevent accidental or unauthorised actuation with locking caps or locking bars
F16K 31/122 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston
Fail-safe apparatus for use with fluid valves are disclosed herein. An example fail-safe apparatus includes a first piston (342), a second piston (344) movably coupled relative to the first piston, and a fluid chamber (346) between the first and second pistons to receive a control fluid. The control fluid is to operatively couple the first and second pistons when the control fluid is provided in the fluid chamber. The first piston is operatively decoupled from the second piston when at least some of the control fluid is removed from the fluid chamber.
F16K 31/04 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a motor
F16K 31/122 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
58.
MOUNTING ASSEMBLIES FOR USE WITH FLUID CONTROL DEVICES
Mounting assemblies for use with fluid control devices are disclosed. An example apparatus includes a bonnet to be coupled to a valve and a mounting assembly including a first side to be coupled to an actuator and a second side to be rotatably coupled at an end of the bonnet to enable a rotational position of the mounting assembly to change relative to the bonnet.
Fail-safe apparatus for use with fluid valves are disclosed herein. An example fail-safe apparatus includes a first piston, a second piston movably coupled relative to the first piston, and a fluid chamber between the first and second pistons to receive a control fluid. The control fluid is to operatively couple the first and second pistons when the control fluid is provided in the fluid chamber. The first piston is operatively decoupled from the second piston when at least some of the control fluid is removed from the fluid chamber.
Mounting assemblies for use with fluid control devices are disclosed. An example apparatus includes a bonnet to be coupled to a valve and a mounting assembly including a first side to be coupled to an actuator and a second side to be rotatably coupled at an end of the bonnet to enable a rotational position of the mounting assembly to change relative to the bonnet.
F16K 1/00 - 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
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
F16K 31/122 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston
61.
APPARATUS TO VISUALLY INDICATE A LEAK FROM A RELIEF VALVE
Apparatus to visually indicate a leak from a relief valve are disclosed. In one example, an apparatus is disclosed that includes a pipe plug having a head and a shaft. The pipe plug is to attach to a relief valve. An opening is to extend through the head and shaft. The apparatus also includes a first flexible membrane to cover an end of the opening. In some examples, the first flexible membrane is to expand when fluid is released via the relief valve into the opening of the pipe plug.
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
62.
REGULATORS HAVING AN ISOLATED LOADING CHAMBER AND BLOWOUT PREVENTION APARATUS
Fluid regulators are described. An example regulator includes a regulator body defining a sensing chamber between an inlet and an outlet of a fluid flow passageway of the fluid regulator. A bonnet is coupled to the regulator body and defines a loading chamber disposed adjacent the sensing chamber. The loading chamber is substantially sealed relative to the sensing chamber and an environment surrounding the fluid regulator. A sensor guide is disposed between the sensing chamber and the loading chamber and has at least one seal to fluidly isolate the loading chamber from the sensing chamber. The sensor guide has a vent flow path between the sensing chamber and the loading chamber to vent the sensing chamber during a failure condition of the at least one seal.
Fluid regulators are described. An example regulator includes a regulator body defining a sensing chamber between an inlet and an outlet of a fluid flow passageway of the fluid regulator. A bonnet is coupled to the regulator body and defines a loading chamber disposed adjacent the sensing chamber. The loading chamber is substantially sealed relative to the sensing chamber and an environment surrounding the fluid regulator. A sensor guide is disposed between the sensing chamber and the loading chamber and has at least one seal to fluidly isolate the loading chamber from the sensing chamber. The sensor guide has a vent flow path between the sensing chamber and the loading chamber to vent the sensing chamber during a failure condition of the at least one seal.
A back pressure regulating valve (10) includes a valve body (14) having a fluid inlet (16), a fluid outlet (18), a central bore (20), a bonnet (22) housing a load spring (24) operatively coupled to a diaphragmn (26), and a chamber (30) in flow communication with the fluid inlet. A valve cartridge (12) includes a housing (34) sized to fit within the central bore and including a first portion (36), a second portion (38), a valve guide (40), and a flow passage (42). A valve seat (44) is disposed in the housing, and a valve plug (44) is shiftable between an open position permitting flow and a closed position preventing flow. The valve plug engages the valve guide, and a spring (52) biases the valve plug toward the open position. A retainer (54) is disposed adjacent the first portion of the housing and engages a portion of the valve plug to retain the valve plug in the housing.
F16K 17/06 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
F16K 17/08 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded with special arrangements for providing a large discharge passage
65.
DIAPHRAGM INTERFACE APPARATUS TO IMPROVE A CYCLE LIFE OF A DIAPHRAGM
Diaphragm interface apparatus to improve a cycle life of a diaphragm are described. An example fluid regulator includes a fluid flow passageway between an inlet and an outlet, where a sensing chamber defines a portion of the fluid flow passageway. A diaphragm senses a pressure in the sensing chamber and a diaphragm interface adjacent the sensing chamber has a curved surface to contact a portion of the diaphragm that moves in response to pressure changes in the sensing chamber. The curved surface affects an amount of stress imparted to the portion of the diaphragm during operation of the fluid regulator.
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
In-line back pressure fluid regulators are described. An example in-line fluid regulator includes a regulator body defining a sensing chamber and an outlet of a fluid flow path of the fluid regulator. The outlet is in fluid communication with the sensing chamber via a first flow passageway in the regulator body. A bonnet is coupled to the regulator body and defines an inlet of the fluid flow path and a loading chamber disposed between the sensing chamber and the inlet. The loading chamber is substantially sealed relative to the fluid flow path of the fluid regulator. A pressure sensor is disposed between the inlet and the sensing chamber, where the pressure sensor defines a second flow passageway to fluidly couple the inlet and the sensing chamber.
G05D 16/10 - Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
E21B 21/10 - Valves arrangements in drilling-fluid circulation systems
F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded
In-line back pressure fluid regulators are described. An example in-line fluid regulator includes a regulator body defining a sensing chamber and an outlet of a fluid flow path of the fluid regulator. The outlet is in fluid communication with the sensing chamber via a first flow passageway in the regulator body. A bonnet is coupled to the regulator body and defines an inlet of the fluid flow path and a loading chamber disposed between the sensing chamber and the inlet. The loading chamber is substantially sealed relative to the fluid flow path of the fluid regulator. A pressure sensor is disposed between the inlet and the sensing chamber, where the pressure sensor defines a second flow passageway to fluidly couple the inlet and the sensing chamber.
A diaphragm control valve has a universal diaphragm mounting location, the diaphragm control valve includes a bonnet, a valve body, a diaphragm, and a clamping washer. The bonnet includes a first clamping surface that transitions into a first annular retention surface formed by a skirt, and the valve body includes a second clamping surface that transitions into a second annular retention surface formed by an upturned annular lip.
F16K 31/365 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor the fluid acting on a diaphragm
F16K 51/00 - Other details not peculiar to particular types of valves or cut-off apparatus
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
F16K 41/12 - Spindle sealings with diaphragm, e.g. shaped as bellows or tube with approximately flat diaphragm
F16K 31/126 - Operating meansReleasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
69.
VIBRATION DAMPENING SPRING CLIP FOR PRESSURE REGULATOR
A control assembly for a fluid flow control device (10) includes a control element (16), a load spring (44), and a spring clip (42). The control element (16) can be movably disposed for controlling fluid flow, and the load spring (44) biases the control element (16) into a predetermined position. The spring clip (42) contacts the load spring (44) at a plurality of points to dampen vibrations experienced by the load spring, thereby reducing and/or eliminating resonance. The spring clip (42) includes a body plate (58) and first and second opposing arm plates (60a, 60b) extending away from the body plate. Each arm plate includes a proximal end (68a, 68b) adjacent the body plate, a distal end (70a, 70b) spaced away from the body plate, and a finger (72a, 72b) extending upwardly away from the distal end. A corner (74a, 74b) at an intersection between the finger and the distal end includes a contoured edge (76a, 76b) for facilitating attachment of the load spring to the spring clip. The spring clip can better dampen vibrations and reduce and/or eliminate resonance.
G05D 7/01 - Control of flow without auxiliary power
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
70.
VALVE APPARATUS TO PREVENT CONTAMINATION OF FLUID IN A FLUID REGULATOR
Valve apparatus to prevent contamination of a fluid in a fluid regulator (300) are described. An example valve apparatus described herein includes a housing (402) disposed within a fluid flow passageway of the fluid regulator to define a low-pressure side (405) of the fluid flow passageway and a high-pressure side (403) of the fluid flow passageway. The housing has a bore (406) that at least partially defines the fluid flow passageway when coupled to the fluid regulator. The housing has a movable valve assembly (408) disposed within the bore via a non- threaded connection in fluid communication with the low-pressure side of the fluid flow passageway and external threads (404) to threadably couple the housing to an opening (342) of the fluid regulator. A seal system (428,442) prevents impurities from flowing between the high-pressure side of the fluid flow passageway and the low-pressure side of the fluid flow passageway.
F16K 31/126 - Operating meansReleasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
F16K 41/12 - Spindle sealings with diaphragm, e.g. shaped as bellows or tube with approximately flat diaphragm
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
G05D 16/10 - Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
71.
DIAPHRAGM CONTROL VALVE HAVING A UNIVERSAL DIAPHRAGM MOUNTING LOCATION
A diaphragm control valve (20) has a universal diaphragm mounting location, the diaphragm control valve includes a bonnet (44), a valve body (22), a diaphragm (38), and a clamping washer (92). The bonnet includes a first clamping surface (74) that transitions into a first annular retention surface (78) formed by a skirt (80), and the valve body includes a second clamping surface (82) that transitions into a second annular retention surface (86) formed by an upturned annular lip (88).
F16K 31/126 - Operating meansReleasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
F16K 41/12 - Spindle sealings with diaphragm, e.g. shaped as bellows or tube with approximately flat diaphragm
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
G05D 16/10 - Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
An ergonomic hand knob for a control valve includes a valve body and a plurality of flutes disposed in the valve body, each flute including a flute surface. Each flute is asymmetric with respect to an innermost point of the flute surface. A first flute surface has a greater slope than a second flute surface. The first flute surface lays in a direction of tightening from the innermost point and the second flute surface lays in a direction of loosening from the innermost point.
A control assembly for a fluid flow control device includes a control element, a load spring, and a spring clip. The control element can be movably disposed for controlling fluid flow, and the load spring biases the control element into a predetermined position. The spring clip contacts the load spring at a plurality of points to dampen vibrations experienced by the load spring, thereby reducing and./or eliminating resonance. The spring clip includes a body plate and first and second opposing arm plates extending away from the body plate. Each arm plate includes a proximal end adjacent the body plate, a distal end spaced away from the body plate, and a finger extending upwardly away from the distal end. A corner at an intersection between the finger and the distal end includes a contoured edge for facilitating attachment of the load spring to the spring clip.
Interchangeable valve apparatus for use with fluid regulators are described herein. An example valve apparatus described herein includes a first retainer is removably coupled to a fluid flow passageway of a fluid regulator between an inlet and an outlet. The first retainer comprises a first housing having a first bore to receive a flow control assembly and the first retainer has a first opening coaxially aligned with the first bore to define a first orifice of the fluid flow passageway when the retainer is coupled to the fluid regulator. The fluids regulator also includes a second retainer different than and interchangeable with the first retainer, where the second retainer comprises a second housing having a second bore to receive the flow control assembly. The second retainer has a second opening coaxially aligned with the second bore to define a second orifice of the fluid flow passageway when the second retainer is coupled to the fluid regulator. The first retainer provides a first fluid flow characteristic and the second retainer provides a second fluid flow characteristic different than the first fluid flow characteristic.
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
Bonnet apparatus for use with fluid regulators are described. An example bonnet (206) includes a body (302) having a cavity (304) to receive a loading assembly (220) of the fluid regulator (200). A support structure (324) is disposed in the cavity (304) and extends across the cavity (304) to increase an impact toughness or strength of the body (302).
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
F16K 31/126 - Operating meansReleasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
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
G05D 16/10 - Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
Modular in-line fluid regulators are described. An example fluid regulator apparatus includes a fluid regulator comprising a body defining a fluid inlet port and a fluid outlet. The fluid inlet port is configured to interchangeably receive a coupling associated with one-stage fluid regulation or a modular in-line fluid regulator associated with two-stage fluid regulation. The modular in-line fluid regulator is configured to be positioned substantially within the fluid inlet port to change the fluid regulator apparatus from a one-stage fluid regulator to a two-stage fluid regulator. The fluid regulator apparatus includes a diaphragm operatively coupled to a valve assembly to control a flow of fluid through the valve assembly based on a pressure of the fluid outlet.
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
G05D 16/10 - Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
77.
Diaphragm interface apparatus to improve a cycle life of a diaphragm
Diaphragm interface apparatus to improve a cycle life of a diaphragm are described. An example fluid regulator includes a fluid flow passageway between an inlet and an outlet, where a sensing chamber defines a portion of the fluid flow passageway. A diaphragm senses a pressure in the sensing chamber and a diaphragm interface adjacent the sensing chamber has a curved surface to contact a portion of the diaphragm that moves in response to pressure changes in the sensing chamber. The curved surface affects an amount of stress imparted to the portion of the diaphragm during operation of the fluid regulator.
G05D 13/06 - Control of linear speedControl of angular speedControl of acceleration or deceleration, e.g. of a prime mover Details providing for damping of erratic vibrations in governors
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
A pressure reducing valve (20) including a balanced valve cartridge (40). The balanced valve cartridge has a retainer (70) including a central bore (75). A valve seat (84) and a valve plug (86) are disposed within the central bore and cooperate to open and close the valve. A cap closes one end of the central bore, the cap (78) including a blind bore (80) for receiving a portion of the valve plug. Downstream fluid pressure is transmitted into the blind bore through a hollow portion of the valve plug, thus balancing the valve plug within the retainer.
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
A pressure reducing valve including a balanced valve cartridge. The balanced valve cartridge has a retainer including a central bore. A valve seat and a valve plug are disposed within the central bore and cooperate to open and close the valve. A cap closes one end of the central bore, the cap including a blind bore for receiving a portion of the valve plug. Downstream fluid pressure is transmitted into the blind bore through a hollow portion of the valve plug, thus balancing the valve plug within the retainer.
In-line pressure regulators are described. An example in-line pressure regulator includes a body having threads to threadingly engage a port of another pressure regulator. The body defines an inlet, an aperture, and a seating surface. Additionally, the example in-line pressure regulator includes a piston assembly operatively coupled to a valve plug. The piston assembly is slidably movable relative to the body to move the valve plug relative to the aperture and the seating surface to control a flow of fluid between the inlet and the other regulator. Additionally, the piston assembly is to slidably and sealingly engage a surface of the port of the other pressure regulator.
Temperature-controlled pressure regulators are described. An example temperature-controlled pressure regulator (200) described herein includes a regulator body (202) having an inlet (206) fluidly coupled to an outlet (208) via a first passageway. A heat block (204) is disposed within the regulator body and receives at least a portion of the first passageway. The heat block is to provide heat to the process fluid as the process fluid flows through the heat block via the first passageway, which separates the process fluid from the heat block.
Temperature-controlled pressure regulators are described. An example temperature-controlled pressure regulator described herein includes a regulator body having a process fluid inlet fluidly coupled to a process fluid outlet via a first passageway and a heat transfer medium inlet to be fluidly coupled to a heat transfer medium outlet via a second passageway, where the heat transfer medium inlet is integrally formed with the regulator body. A heat chamber body is removably coupled to the regulator body to form a chamber between the heat transfer medium inlet and the heat transfer medium outlet. At least a portion of the first passageway is disposed within the chamber, and the chamber is to receive a heat transfer medium via the heat transfer medium inlet to provide heat to the process fluid as the process fluid flows through the chamber via the first passageway, which separates the process fluid from the heat transfer medium.
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
G05D 23/12 - Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28C 3/06 - Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
Temperature-controlled pressure regulators are described. An example temperature-controlled pressure regulator described herein includes a regulator body having a process fluid inlet fluidly coupled to a process fluid outlet via a first passageway and a heat transfer medium inlet to be fluidly coupled to a heat transfer medium outlet via a second passageway, where the heat transfer medium inlet is integrally formed with the regulator body. A heat chamber body is removably coupled to the regulator body to form a chamber between the heat transfer medium inlet and the heat transfer medium outlet. At least a portion of the first passageway is disposed within the chamber, and the chamber is to receive a heat transfer medium via the heat transfer medium inlet to provide heat to the process fluid as the process fluid flows through the chamber via the first passageway, which separates the process fluid from the heat transfer medium.
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
Temperature-controlled pressure regulators are described. An example temperature-controlled pressure regulator described herein includes a regulator body having an inlet fluidly coupled to an outlet via a first passageway. A heat block is disposed within the regulator body and receives at least a portion of the first passageway. The heat block is to provide heat to the process fluid as the process fluid flows through the heat block via the first passageway, which separates the process fluid from the heat block.
A fluid regulator includes a valve block having an inlet arranged for connection to a gas supply and an outlet arranged for connection to an item of gas equipment and defining a flow path. The valve block may include one or more of a pressure regulator, a metering valve, and an on-off switch disposed in the flow path. A rotatable pinion operatively is coupled to the metering valve, and a hand control is coupled to the valve block and rotatable about an axis and includes a toothed rack movable with the hand control. A spring biases the toothed rack toward pinion to provide improved precision and/or less play between internal components. The fluid regulator they also include a balanced gear assembly for rotating a control rod of the valve, and further may be adapted to provide various visual indicators of the on-off the state of the device.
A valving arrangement for a mobile gas supply system includes a primary inlet port, a primary outlet port, a regulator, a secondary inlet port, and a secondary outlet port. The primary inlet port is adapted to be connected to a gas cylinder. The primary outlet port is in fluid communication with the primary inlet port and is adapted to be connected to one or more accessories for delivering gas from the gas cylinder. The regulator is disposed between the primary inlet port and the primary outlet port for reducing the pressure of the gas delivered by the gas cylinder to the primary inlet port. The secondary inlet port is in fluid communication with the primary outlet port. The secondary outlet port is in fluid communication with the primary outlet port and the secondary inlet port. The secondary inlet and secondary outlet ports are adapted for connecting the valving arrangement to one or more additional gas cylinders.
Modular in-line fluid regulators are described. One described example modular fluid regulator apparatus includes a body having a fluid inlet and a threaded outer surface to engage a threaded opening in another fluid regulator to serially fluidly couple first and second fluid regulators. The example fluid regulator apparatus also includes valve to control a flow of fluid through the first fluid regulator, and a pressure sensing member operatively coupled to the valve to control a position of the valve to provide a regulated output pressure at an outlet of the first fluid regulator. The pressure sensing member and the valve are configured to be received in a cavity of the second fluid regulator adjacent the threaded opening.
Adjustable in-line fluid regulators are described. One described example fluid regulator includes a body having a fluid inlet and a fluid outlet. The example regulator also includes a first fluid regulator having a valve to control the flow of fluid from the inlet to the outlet, a piston coupled to the valve via a stem, wherein the piston is to receive a pressure associated with the outlet. The first fluid valve also includes a spring plate movable along a longitudinal axis of the stem, a spring disposed between the piston and the spring plate, and an adjuster engaged with the body to move the spring plate to change a compression of the spring and a regulated outlet pressure of the fluid regulator.
A high pressure fluid 3-way control valve comprises a valve body defining a first port, a second port, and a third port, a throat disposed in flow communication with each of the first, second and third ports, first and second valve seats mounted in the throat of the valve body, a shiftable control element disposed having a first seating surface and a second seating surface and movable between a first position in which the first seating surface is seated against the first valve seat and a second position in which the second seating surface is seated against the second valve seat The first and second ports are in flow communication with one another via the throat along a second flow path when the control element is in the second position.
A high pressure three-way control valve comprises a valve body defining first, second, and third ports disposed in selective fluid communication with each other via a control element. The control element is movable between a first seated position and a second seated position to selectively control the direction of fluid between the first and second port, or alternatively, between the first and third port. So configured, the control valve serves a function that conventionally requires two valves plumbed together.
F16K 11/044 - 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 lift valves with movable valve members positioned between valve seats
A high-pressure regulator includes body having a pressure inlet and a pressure outlet. A piston is disposed in the body and fluidly coupled to the pressure inlet and the pressure outlet. The piston is configured to operate in compression to contact a seat ring for the purpose of controlling the flow of fluid from the pressure inlet to the pressure outlet in response to a pressure applied to a surface of the piston via the pressure outlet. A piston seat circumferentially engages the piston to provide an improved seal at low temperatures.
A fluid dispensing system includes a manifold having a fluid outlet port to dispense fluid from a plurality of fluid supply containers. The system additionally includes a plurality of valves connected to the manifold for controlling the flow of fluid from the containers. The manifold and valves are configured such that all fluid flow connections are disposed within the manifold, thereby reducing and/or eliminating the amount of piping required external to the manifold. So configured, the valves include simple cartridge-type devices that are easily installed into and removed from the manifold.
A high pressure three-way control valve comprises a valve body defining first, second, and third ports disposed in selective fluid communication with each other via a control element. The control element is movable between a first seated position and a second seated position to selectively control the direction of fluid between the first and second port, or alternatively, between the first and third port. So configured, the control valve serves a function that conventionally requires two valves plumbed together.
F16K 11/044 - 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 lift valves with movable valve members positioned between valve seats
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
A control element (160) of a bi-directional valve is in fluid communication with an outlet pressure (200) and an inlet pressure (180) when the valve is closed such that a sum of the forces applied to the control element result in a net force urging the control element to seat against a valve seat (240). The valve includes a valve body (120) carrying the valve seat (240). The control element (160) is balanced on an outlet side of the valve seat such that the outlet pressure applies approximately no net force to the control element. In contrast, the control element is unbalanced on an inlet side of the valve seat such that inlet pressure applies a net force on the control element to bias the control to seat against the valve seat (240).
A control element of a bi-directional valve is in fluid communication with an outlet pressure and an inlet pressure when the valve is closed such that a sum of the forces applied to the control element result in a net force urging the control element to seat against a valve seat. The valve includes a valve body carrying the valve seat. The control element is balanced on an outlet side of the valve seat such that the outlet pressure applies approximately no net force to the control element. In contrast, the control element is unbalanced on an inlet side of the valve seat such that inlet pressure applies a net force on the control element to bias the control to seat against the valve seat.
Apparatus to regulate fluid flow is disclosed. The apparatus includes a valve member (164) deformable to distribute forces to a valve seat (168) and prevent damage to the valve member.
A high-pressure regulator includes body having a pressure inlet and a pressure outlet. A piston is disposed in the body and fluidly coupled to the pressure inlet and the pressure outlet. The piston is configured to operate in compression to contact a seat ring for the purpose of controlling the flow of fluid from the pressure inlet to the pressure outlet in response to a pressure applied to a surface of the piston via the pressure outlet. A piston seat circumferentially engages the piston to provide an improved seal at low temperatures.
A high-pressure regulator (100) includes body (110) having a pressure inlet (112) and a pressure outlet (170). A piston (130) is disposed in the body and fluidly coupled to the pressure inlet and the pressure outlet. The piston is configured to operate in compression to contact a seat ring for the purpose of controlling the flow of fluid from the pressure inlet to the pressure outlet in response to a pressure applied to a surface of the piston via the pressure outlet. A piston seat (129) circumferentially engages the piston to provide an improved seal at low temperatures.
An example pressure regulator includes body (110) having a pressure inlet (125) and a pressure outlet (145). A piston (160) is disposed in the body and fluidly coupled to the pressure inlet (125) and the pressure outlet (145). The piston (160) is configured to operate in compression to contact a valve seat (142) for the purpose of controlling the flow of fluid from the pressure inlet (125) to the pressure outlet (145) in response to a pressure applied to a surface of the piston via the pressure control outlet.
An example cascade system includes a manifold having a fluid outlet port to dispense fluid and a fluid valve engaged to the manifold. First and second fluid storage containers are coupled to the manifold. The fluid valve is configured to control a first fluid flow path between the second fluid storage container and the fluid outlet port.
