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WO/2004/030952A1 |
An apparatus for regulating airflow into a rim mounted vehicle tyre is disclosed. The apparatus has an elongated valve housing (1) with an inlet end (IA), an outlet end (2) and a central portion between the outlet end (2) and inlet end (...
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WO2004005775B1 |
This invention provides built in pre-selector of temperature in faucets and there will be absolutely no change in temperature when flow is varied and vice versa. Two devises for pre-selection of temperature are disclosed in this inventio...
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WO/2004/025157A1 |
A method for detecting an explosion in a dust collector includes providing a dust collector having an explosion vent and a membrane covering the explosion vent. A first member is oriented in extension across the membrane. A circuit path ...
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WO/2004/008074A2 |
The transducer comprises a pair of fixed and rigid supports (14, 16), fast to each other and located on one side and the other side, respectively, of a dimming plane (P) along which a dimmer (24) moves. One of the supports carries a row ...
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WO/2004/008012A1 |
A pressure reducing valve (10) with a tamper proof switch (90) mounted directly on a stem (18) portion of the pressure reducing valve. The switch provides an operating state of the pressure reducing valve in maintaining a predetermined o...
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WO/2004/001262A1 |
An actuator for a valve, for transmitting rotational force from a motor to an output shaft after reducing speed through an internal-gearing planetary gear speed reduction mechanism provided in a housing and opening/closing in an oscillat...
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WO/2003/106873A1 |
The invention relates to a device used to shut off pipes, especially pipelines, comprising a shut-off body (24) which can move in relation to a seat (26) and which is coupled to or actively associated with a spindle (13) via an inserted ...
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WO/2003/100303A2 |
A pump monitoring and flow control system that provides direct indication of discharge flow on a positive displacement or diaphragm injection-type pumps. The device (1) uses a 'tell-tale' check valve that drives a proximity switch (20) e...
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WO/2003/100950A1 |
Disclosed is an electric motor driven actuator comprising an electronically switchable direct-current synchronous motor (10) and a device working with position sensors for contactless detection of the position of the rotor (14) of the mo...
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WO/2003/095965A2 |
A rollover pressure/vacuum relief valve (10) is tested using a kit (150) and an actuation device (100). The valve comprises a valve body (18, 20) and a rollover gravity element (52), which actuates the valve when the orientation of the v...
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WO/2003/095961A1 |
In the present invention the instantaneous supply of power to a driving machine (12) is measured and recorded as a function of time. Based on mechanical design considerations, a dynamic physical power-flow model (26) of the driven appara...
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WO2002040914A9 |
A valve (10) with a smart handle (16) including a memory module (22) to log relevant data. A sensor (28) on the handle (16) determines when the valve (10) is open, and this triggers the start of timers (21) and recording of the "open" ev...
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WO/2003/091614A1 |
The invention relates to a diagnostic system for a valve (2) that can be actuated by a positioner (9) by means of a drive (6). Said system comprises a sensor (12) for structure-borne noise and a device (14) for evaluating the detected me...
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WO/2003/085297A1 |
A control valve (400) includes an elastomeric flow tube and an actuator.(122). A plunger is operatively connected the actuator and is situated adjacent the flow tube. A reference surface is positioned generally opposite the plunger such ...
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WO2002099321B1 |
A control valve (10) for regulating flow of fluids includes a body (12) with an inlet (14), an outlet (16) and a passageway (40) through which fluid passes. The control valve (10) also includes a displaceable column (108) provided with a...
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WO2002086365A9 |
A valve position indicator for a valve stem (10) has an adapter (50) with a closed-valve cam (100) on one side and an open-valve cam system (200) on the other. Each system (100, 200) has a holder (102, 202) movable between a pinnacle (72...
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WO/2003/060459A1 |
A method of determining flow through a valve includes determining a first differential pressure across the valve (410). The valve is bypassed (420) and a second differential pressure is determining across the valve (440). A flow decision...
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WO/2003/044402A1 |
The invention relates to a handwheel (2) for a balancing valve (1) with a valve housing (7) having a top piece (5) and spindle (3), guided in the top piece and having a valve body (6), which is moved in relation to a seat (8), located in...
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WO/2003/042586A1 |
A 'plug and play' process control valve 10 providing closed loop feedback control has a built in microprocessor 40, stepper-motor 20, a position encoder, a valve body having an inlet 11 and an outlet 12, and pressure sensors 30, 31 posit...
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WO/2003/038325A1 |
An over-pressure protection system comprising a conduit section (1) extending between a pressure reduction valve (4) and a low-pressure fluid handling system (6), a shut-off valve (8) provided with an actuator (9) arranged in the conduit...
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WO/2003/038326A1 |
The present invention relates to a visual valve indicator comprised of a handle assembly (10) with peripheral sidewalls (14) attached to a linear moving valve stem (20) for opening and closing of the valve and a grommet (24) stratified i...
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WO2002027685A9 |
A double check valve assembly having at least one three way valve (64) with a pressure gauge (72) in communication with the double check valve (30) downstream of the second check valve (34). A flow detection arrangement with a battery po...
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WO/2003/033958A1 |
A steam trap system is disclosed. The steam trap system includes an inlet, an outlet, and a float (42), with the inlet (30) and the outlet (32) separated by an orifice (54). The steam trap includes a plug (52) operatively coupled to the ...
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WO/2003/023346A1 |
A pressure indicator (10) comprising a piston (21) which is displaceably mounted in a housing (18) counter to the pressure of a spring (20) on an axis (28) and which can be impinged upon with pressure which is to be measured; also compri...
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WO/2003/012760A2 |
A system and method for monitoring a pressure reduction device are provided. The system includes a release sensor (16) that provides an indication when the pressure reduction device (14) activates. A wireless transmitter (18) is connecte...
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WO/2003/002205A1 |
A respirator (1), wherein an inlet (6) and an outlet (4) are formed in a surface body (2) closably by an intake valve (8) and an exhaust valve (7), the intake valve (8) is opened and the exhaust valve (7) is closed when a person wearing ...
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WO/2002/097313A1 |
The optical transducer includes a pair of fixed, rigid supports (18, 20), fast to each other and located respectively on one side and on the other side of a dimming plane along which a dimmer (32b), fixed to a movable member (10), moves....
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WO/2002/093058A1 |
The invention relates to a method for controlling the switching movement of a valve, by means of which the device carries out the above in a simpler fashion than with conventional devices, manipulation advantages are achieved and the rec...
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WO/2002/087409A2 |
Indwelling catheter (60) having an upper distal end (66) having a portion that can expand within a bladder type spaces without having to be inflated. An embodiment allows for at least one slit on an upper side of the catheter tube (60) a...
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WO/2002/088606A1 |
The aim of the invention is for an adjuster device, provided with a drive motor and a drive train coupled thereto, with the driven piece connected to a control element and provided furthermore with a logging device for position recogniti...
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WO/2002/084156A1 |
A double block valve is actuated by a single actuator (30) and includes a valve body housing a cavity (11) and a seating assembly (60). An enclosed space (70) with a finite volume is defined between a first blocking element (42) and a se...
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WO/2002/084157A1 |
A method of providing an indication and alarm of a possible failure in a fluid control valve stem, plug or seat in a process control system having a microprocessor based valve positioner. The drive pressure, drive signal and valve positi...
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WO/2002/084155A1 |
The present invention provides a device for monitoring the operation of a control valve (1), which is adapted to supply fluid at a predetermined temperature via an outlet (4). The device includes a sensor (10) adapted to be coupled to th...
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WO/2002/078765A2 |
Programmable methods and apparatus for providing flow control in valves. In a preferred embodiment flow control occurs by pressing opposite sides of a very flexible tube section (3) together to selectively, and programmably, closing and ...
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WO/2002/077733A1 |
The invention relates to a diagnosis device for field equipment in the industrial environment of a processing facility. In order to detect the state of said field equipment in mounted position, said field equipment (1) is provided with a...
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WO/2002/076615A2 |
A dispenser (1) for liquid droplets of the order of 30 $g(m)l or less in volume. The dispenser (1) comprises a metering valve body (2) having a main bore (3) connected by a pipe (4) to a pressurised liquid delivery source (not shown). Th...
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WO/2002/075267A1 |
An apparatus and method for simply and economically detecting leaks in an isolation valve disposed in an on-line fluid transport system having at least an upstream pipe (5) and a downstream pipe (6) is provided, the apparatus comprising ...
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WO/2002/075193A1 |
A junction element for a hydraulic fluid circuit, comprising a body (1) which is provided with inner channels (2,3) leading in an outer direction through a plurality of connection elements (7, 8, 9, 10) which can cooperate with outer cha...
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WO/2002/066874A1 |
The invention relates to a method for documentation of the testing and maintenance of a safety valve. In this method the valve is assigned an identity, which together with the test result, documentation on the servicing undertaken, any r...
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WO/2002/063192A1 |
Apparatus for testing an emergency valve in which a valve member (10) is movable by fluid-operated actuator (11) between a normal (open or closed) position and an emergency position (closed or open respectively). The apparatus comprises ...
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WO/2002/061315A1 |
A combined alarm and test and drain valve (1) for a fire sprinkler system has specific modifications for draining the system and allowing for flow through a specifically sized orifice under conditions simulating the flow through a sprink...
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WO/2002/059514A1 |
A visual signal of pressure between valve stem seals is given by a rising (26) ring, which moves upwardly with the upper stem (18) seal when there is pressure between the stem seals. The rising ring is held to the stem or valve body arou...
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WO/2002/044759A2 |
A position sensor and a method for sensing a position of a moveable member includes at least first and second deflectable members arranged so as to allow the moveable member to pass therebetween and cause the at least first and second mo...
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WO/2002/026327A1 |
The invention relates to an insert for a detonation/flame arrester to be fitted in flame arresting fittings of technical devices or directly in the pipe. The inventive insert comprises a frame (1) in which the first strips (3) or the fir...
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WO/2002/021072A2 |
The displacement of the first component (2) is measured by means of a spring (3) and a force measurement device (10, 4) in the form of a stationary conductor (10) in the form of a wire. This is accurate, not susceptible to wear, resistan...
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WO/2001/098699A1 |
This invention relates to a driving device (1) comprising a drive shaft (3) that is rotatably supported in a housing, which driving device includes a position indicator for said drive shaft, wherein a cam (27) is present on the drive sha...
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WO/2001/088423A1 |
The invention relates to a position controller comprising a position transmitter (9) for inputting an actuator (7) effective position, and a control unit (13) arranged in an explosion-proof casing, separate from the position transmitter ...
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WO/2001/081802A2 |
An electro-mechanical actuator (10) for operating a fluid control valve (12) and controlling the operation of one or more field instruments, including other valve actuators. An electro-mechanical actuator has a drive unit (22) and an ele...
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WO/2001/079732A1 |
The invention relates to a device for monitoring the position of at least one valve, for instance, in a production facility or a measuring system, wherein a working movement of a valve body of the valve to be monitored is executed with a...
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WO/2001/077506A1 |
A throttle device and a throttle sensor of an internal combustion engine, wherein a throttle body comprises a throttle valve controlling an intake air flow rate of the internal combustion engine, and an electric actuator driving the thro...
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