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WO/2020/055267A1 |
It is described an in-line safe pressure test system and method for detecting leaks in a pressure safety valve PSV (100), the valve including an inlet (P1), outlet (P2) and valve seat controlling fluid flow between said inlet and outlet....
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WO/2020/052644A1 |
Disclosed is a waterway switching valve, comprising: a valve body (1), a switching operating member (2) and a switching member (3); the valve body (1) has a water inlet (14), a first water outlet (15) and a second water outlet (16); the ...
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WO/2020/053729A1 |
An air valve assembly (10) includes a main housing (12) including a coupling flange (14) for coupling to a pipe, and an air valve (20) fluidly coupled to the main housing (12). An actuator (28) is in fluid communication with the air valv...
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WO/2020/049214A1 |
Fault diagnostics is provided utilizing an embedded tracking digital twin (211) of a physical part of a valve assembly in a microprocessor system (21) of the valve positioner (2). The digital twin comprises a plurality of simulation mode...
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WO/2020/044827A1 |
[Problem] To provide a fluid control device capable of accurately detecting leakage of a fluid even when the leakage is slight. [Solution] A fluid control device (V1) having: a valve body (1) in which a flow passage is formed; a diaphrag...
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WO/2020/044175A1 |
A diagnostic method to diagnose a malfunction of a solenoid valve comprises: a) detecting the first current peak (IPEAK) of the solenoid current generated by the engagement of the movable core; b) verifying if the waveform of the solenoi...
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WO/2020/039067A1 |
A portable system (100) for testing a valve (3) in a process plant. At least one upstream (102) or downstream (104) connector permits fluid contact to a respective upstream isolation valve (2) or a downstream isolation valve (4). A summa...
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WO/2020/035175A1 |
The invention relates to a method for monitoring valves, in particular valves of a fire-fighting system, comprising: capturing first sensor signals at a valve in an intact state by means of a sensor; teaching the monitoring by means of t...
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WO/2020/032172A1 |
A motor control device (27) includes a control unit (27a) for controlling a motor (26), which is a drive source for an integrated valve device (24) provided in a vehicular refrigeration cycle device (D). The motor control device controls...
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WO/2020/033188A1 |
A gas delivery system of a substrate processing system includes a gas box including mass flow controllers to control flow of gas from gas sources. A gas flow path in fluid communication with the gas box. A hybrid flow metrology system is...
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WO/2020/031628A1 |
[Problem] To enable detecting a fluid leak in a fluid control device even if the leak is small. Further, to detect fluid leaks with high accuracy, differentiating fluid leak abnormalities from changes associated with operation of the flu...
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WO/2020/028664A1 |
Multi-position valve actuators principally for water-circulation systems of pools and spas are detailed. At least some actuators may indicate position of an associated valve in a non-electronic manner, as by using a handle visible extern...
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WO/2020/028516A1 |
A pinch valve configuration may include a pinch valve comprising a valve body, a valve plunger, and a fluidic tubing pinch passage defined between a tubing seat of the valve body and an operative end of the valve plunger. The pinch valve...
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WO/2020/026188A1 |
The present invention relates to a method for monitoring a state of a shut-off valve (21) of a gas meter (1). The gas meter (1) comprises a hollow body (10), which delimits a measuring compartment (11), an inlet conduit (13) and an outle...
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WO/2020/023584A1 |
Embodiments relate to a system configured to provide communication alerts for a backflow preventer. The communication alerts can be alerts regarding tampering with and/or improper operation of the backflow preventer or a component of the...
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WO/2020/016697A1 |
A control and safety system (100, 200) suitable for conveyance circuits of pressurized fluids provided with at least one process valve, said system having a pressure reducer (16), a control valve (17, 25), a secondary valve (18, 26), a d...
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WO/2020/016326A1 |
Omnidirectional sensor (1) for determining an environmental value of a pivoting object (P), the environmental value comprising at least the angular position of the pivoting object (P) about an axis of rotation (A), said angular position ...
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WO/2020/012828A1 |
Provided is a fluid control device with which data pertaining to the internal operations of the device can be acquired. A fluid control device (V) has a bonnet part (2) to which sensors (M1, M2, P) for detecting operations inside the flu...
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WO/2020/007923A1 |
The invention relates to a method for diagnosing possible causes of changes in at least one control valve, in a system comprising the control valve or in a process performed in the system, wherein the position of the actuator is sensed a...
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WO/2020/007983A1 |
Integrated flow meter and control valve (1) including a flow tube (11); a substantially watertight meter housing (12) providing a compartment (121), extending from the flow tube; a metering unit (139 arranged inside the compartment for m...
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WO/2020/007531A1 |
The present invention relates to a system for compensating for a dimensional change of a control fitting, which dimensional change accompanies thermal loading, for setting a process fluid stream of a process plant, such as a chemical pla...
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WO/2020/009843A1 |
Monitoring systems and methods for a relief valve system. In one example, a monitoring system for a relief valve includes at least one tilt sensor coupled to one or more of a cover or a latch of the relief valve. The at least one tilt se...
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WO/2020/000531A1 |
An air speed measurement device (100), an air valve (300) and an air volume adjustment system (400), the air speed measurement device (100), when in communication with an air duct (200), being able to measure the air speed through a circ...
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WO/2020/003799A1 |
Provided is a diaphragm valve that can preemptively avoid the leakage of a fluid in the diaphragm valve to the outside due to breakage of a diaphragm. This diaphragm valve includes: a valve body (10) that demarcates a channel (11) throug...
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WO/2020/000018A1 |
A valve key for operating a fluid control valve between open and closed states, the valve key comprising a body having a key portion configured for operating a correspondingly keyed part of the fluid control valve; a telemetry system ope...
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WO/2019/238519A1 |
The invention relates to a safety valve (1) with an electronic control unit (2) for generating a control voltage, an electro-fluidic preliminary stage (3) that has a piezo bending actuator (4) which can be actuated between a working posi...
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WO/2019/235599A1 |
The purpose of the present invention is to provide a valve state monitoring system which can be easily retrofitted to various existing or operating valves (rotating valves), actuators, and particularly even to a facility not being suppli...
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WO/2019/235038A1 |
This valve device is provided with: a valve (13) for changing the flow mode of a refrigerant flowing within a circulation path of a refrigeration cycle device (D); and a drive device (32) for driving the valve. The drive device is provid...
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WO/2019/229029A1 |
A valve actuator (1) is described comprising a drive (10) acting on an actuation element (9), a force sensor sensing a force (14) acting on the actuation element (9), and a stroke sensor (13) sensing a displacement of the actuation eleme...
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WO/2019/230681A1 |
This apparatus unit is provided with two or more apparatuses including respective independent casings connected to each other, wherein two or more recording media, which have recorded property data of the respective two or more apparatus...
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WO/2019/231707A1 |
An assembly and method for a choke valve body having a choke valve to control flow of fluids. A sleeve positioned in and attached to the choke valve body to flow the fluids through an inner sleeve region internal to the sleeve instead of...
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WO/2019/224874A1 |
This degradation detection system (1) is provided with: a storage unit (11) which stores therein actual measurement values of command pressure and actual measurement values of response pressure; and a simulation unit (12) which, using a ...
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WO/2019/226414A1 |
A fluid flow regulator comprises a body, an actuatable switch, and valve structure. The valve structure is disposed within the body and has at least a portion movable between an actuating position and a non-actuating position. The actuat...
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WO/2019/220153A2 |
The present invention relates to an axial valve with a modular concept for the regulation of fluid flow and prevention of fluid reverse flow consisting of a single-piece and two-piece outer valve body (1; 99) that can be installed within...
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WO/2019/221230A1 |
This electromagnetic switching-valve position detection system is provided with: a current control circuit that obtains a smoothed direct current by smoothing a current from a power source via a rectifier bridge diode and a primary-side ...
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WO/2019/216771A1 |
A device, assembly, system and method for a valve stem protection cap and valve position detector assembly for gate valves comprising a handwheel and a stem, where the gate opens and the stem rises when the handwheel is turned in one dir...
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WO/2019/214827A1 |
The present invention provides a method and apparatus for estimating one or more of the rate of fluid flow, the fluid pressure and the fluid viscosity of a fluid, the apparatus comprising a bistable device configured to be arranged in co...
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WO/2019/215371A1 |
The invention relates to a valve with time-controlled opening, provided for use in containers, receptacles or sealed elements. The valve can be a system integrated in the container, receptacle or sealed element itself, or an external sys...
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WO/2019/215042A1 |
A valve controller (102, 202, 302, 402) for a valve (101, 201, 301, 401) that comprises an actuator (11) mechanically coupled to at least one flow controlling element (7). The valve controller (102, 202, 302, 402) comprises at least one ...
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WO/2019/217605A1 |
Fluid-dispensing systems and methods relating thereto are described. A method of dispensing an output fluid stream includes: (i) receiving a temperature setting for a desired temperature of the output fluid stream and a mechanical distur...
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WO/2019/211820A1 |
The present invention provides a system for determining plunger position in a solenoid valve and method therefore. More specifically, the invention provides a solenoid valve having hall sensor for detection of plunger position, which pro...
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WO/2019/213341A2 |
An overpressure indicator is defined by a housing sized and configured for attachment within a compartment interior, such as an aircraft nacelle. A pressure sensing element disposed within the housing is coupled to an indicator element a...
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WO/2019/212687A1 |
A pressure regulator device for use within a pressure-regulated fluid storage and dispensing vessel primarily in low flow, low delivery pressure applications. Regulator stiction challenges have been solved with an improved poppet assembl...
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WO/2019/206997A1 |
The present invention relates to a method for monitoring the function of a control valve (1), for example the occurrence of cavitation and/or fluid hammers acting on the control valve, of a process engineering installation, such as a che...
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WO/2019/209902A1 |
A disc for indicating a position of a ball valve is provided herein. The disc includes a body having an outer circumferential edge and an inner circumferential edge. The inner circumferential edge defines an aperture configured to receiv...
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WO/2019/208385A1 |
This poppet-type flow control valve comprises: a valve housing having an inlet flow channel, an outlet flow channel, a valve chamber provided between the inlet flow channel and the outlet flow channel, and a valve seat provided to the va...
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WO/2019/206510A1 |
A 6-way valve (100) for controlling two fluidic circuits of an HVAC system comprises a valve housing ( 1 ) and a regulating body (2). The valve housing ( 1 ) comprises consumer supply and return ports (13A, 13B) for connecting the 6-way ...
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WO/2019/206257A1 |
A regulator includes a valve body and a control element movable between a closed position, in which the control element engages a valve seat, and an open position, in which the control element is spaced away from the valve seat. A stem i...
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WO/2019/207468A1 |
A method for monitoring a pinch valve, the method may include sensing an electrical parameter of at least one flexible sensor during a monitoring period to provide multiple values of the sensed electrical parameter; wherein the at least ...
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WO/2019/209689A1 |
A system for determining a valve member position includes a valve (10) having a flow passage extending therethrough. The system also includes a valve member (20) coupled to a valve stem (16) that axially translates the valve member (20) ...
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