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WO/2003/104910A1 |
A device for a constant flow valve (1) of the type where a second valve (8), e.g. in the form of a needle valve, is designed to maintain a constant pressure drop across a first valve (6), e.g. a choke valve, and where the closing body (5...
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WO/2003/102707A1 |
A method for supplying a specified quantity Q of processing gas while dividing at a desired flow rate ratio Q1/Q2 accurately and quickly from a gas supply facility equipped with a flow controller into a chamber. When a specified quantity...
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WO2002095272B1 |
Flow control valve has a valve housing (32, 34) that provides fluid inlet (42) and outlet (44) at opposite ends coaxial with a longitudinal axis (40). A control body (36) is supported coaxially within the housing, providing a flow passag...
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WO/2003/096132A1 |
A device for regulating a gas flow according to a modifiable control variable, comprising a sensor (60), a control variable transmitter (48), a controller (18) which is controlled according to the sensor (60) and the control variable tra...
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WO/2003/093645A1 |
A valve (1) serves to reduce pressure, particularly in nozzling devices. Said valve (1) is situated in the branch line (4) behind a switching valve (3) and before a nozzle (5) and comprises a high-pressure piston (10) and a low-pressure ...
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WO/2003/093503A2 |
The present invention provides methods to use expression profiles to determine the bioequivalence of two or more pharmaceutically equivalent drug formulations. In addition, this invention provides methods to select drug formulations that...
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WO/2003/089821A1 |
A fluid control valve for use with apparatus for medical use. Commercially available valves which operate by electrical, hydraulic or pneumatic means are often expensive and bulky. They may require excessive power to operate them and can...
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WO/2003/087642A1 |
A flow control valve assembly, and a method of determining and controlling fluid flow through the valve, that is relatively simple in design, is relatively inexpensive, is accurate, and has a relatively wide measurement range. The flow c...
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WO/2003/087675A1 |
A control device of fluid mixing equipment, wherein low temperature water (actual temperature = T1) flowing through a first flow passage (1) and hot water (actual temperature = T2) flowing through a second flow passage (2) flow, as mixed...
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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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WO/2003/082509A1 |
The inventive system and method allows the control of shielding gas in an electric welding apparatus having automatic wire feed by controlling the flow rate of the shielding gas as a function of the wire feeding speed and/or the welding ...
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WO/2003/081361A1 |
A mass flow controller capable of stably flowing a target flow at all times even when a pressure fluctuation occurs on any of the upstream side and downstream side thereof, comprising a flow control valve, a flow sensor, a pressure contr...
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WO/2003/071247A1 |
A fluid control module (10) connected in-line within a chemically corrosive or ultra pure fluid flow circuit that delivers fluids in either a liquid or gaseous state. The fluid control module utilized to control the flow, pressure or vol...
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WO/2003/071265A1 |
A flow regulator device for an analytical circuit, characterised by comprising: a fluid restriction (R) of defined characteristics related to the field of application of the analytical circuit, a direct-pressure regulator (2) positioned ...
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WO/2003/067353A1 |
A film processing device using vaporized liquid source capable of confirming the flow control accuracy of flow control equipment such as a mass flow controller (15) controlling the flow of the liquid source without separating the flow co...
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WO/2003/067352A1 |
A flow regulating valve (11), which has a valve disk (11b) operably disposed in a flow channel and is capable of regulating the flow of fluid according to the valve opening degree of the valve disk (11b), is characterized by comprising a...
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WO/2003/062938A1 |
A flow measurement module is adapted to operate in conjunction with a control valve assembly to measure a flow rate of a fluid though a flow passage regulated by the control valve assembly. The flow measurement module is communicatively ...
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WO/2003/058187A1 |
A pressure sensor, a pressure controller and a flow controller in which the pressure can be detected accurately regardless of temperature variation by correcting temperature drift of the pressure sensor automatically. The temperature dri...
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WO/2003/058363A1 |
An advanced pressure type flow control device capable of accurately controlling a flow by using an experimental flow expression established to accurately fit to the actual flow of compressible fluid in a non−critical area, wherein the ...
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WO/2003/058181A1 |
A thermal mass flow controller (100) includes a sensor assembly (102), a valve assembly (104), and a mass flow controller housing (108). A thermally conductive element (150) conducts heat from the valve assembly (104) away from the senso...
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WO/2003/058180A1 |
A thermal mass flow controller (100) includes a sensor assembly (102), a valve assembly (104), and a mass flow controller housing (108). A thermal ground (148) limits the conductive thermal path between the mass flow controller housing (...
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WO/2003/058179A1 |
A thermal mass flow controller (100) includes a sensor assembly (102) and mass flow controller housing (108). A thermal ground (148) limits the conductive thermal path between the mass flow controller housing (108) and the sensor assembl...
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WO2002009852A9 |
System for removal of targeted pollutants, such as oxides of sulfur, oxides of nitrogen, mercury compounds and ash, from combustion and other industrial process gases and processes utilizing the system. Oxides of manganese are utilized a...
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WO/2003/054436A1 |
A device (RF) for regulating and/or stabilizing the flow of a fluid comprises a single body (20), envisaged for insertion in a pipe for passage of the fluid, in particular the inlet pipe of a solenoid valve (1). According to the inventio...
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WO/2003/054649A1 |
A method of controlling a device comprising an adjusting component which is associated in its operation with a means for actuating the movable element of said component, a means for sensing the actual position of the movable element and ...
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WO/2003/052356A1 |
The present invention relates to a mass flow measurement sensor capable of sufficiently enlarging a sectional flow area of a sample fluid flowing tube while ensuring fast response time and linear range of measurement. The mass flow measu...
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WO/2003/050441A1 |
A solenoid−operated proportional flow control valve for controlling flow minutely in the operating region on the low flow rate side. A solenoid−operated proportional flow control valve (32) is so constructed that a valve element (2) ...
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WO/2003/046489A1 |
A fluid delivery system includes a flow control device and a Coriolis mass flowmeter(112) in fluid communication with the flow control device.(110).The Coriolis flowmeter has a flow−tube made of a high−purity plastic material, such a...
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WO/2003/045352A2 |
An implantable, osmotically-driven delivery system having a dynamic, two-way valve (10) and self-adjusting, variable geometry fluid (1) flow channel. As pressure within the agent delivery system goes up, the fluid channel narrows, thereb...
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WO/2003/046675A1 |
A mass flow measurement and control device (100) includes an enclosure (101) with a Coriolis mass flowmeter (50, 112) situated therein. The Coriolis mass flowmeter (50, 112) has a flow-tube made of a high-purity plastic material, a drive...
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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/2003/040002A1 |
A storage tank for an easily polymerizable compound having an inlet line and a delivery line, characterized in that it further has one or more of circulation lines for preventing the clogging of pipe lines&semi a method for storing an ea...
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WO/2003/039634A1 |
The present invention provides a pneumatic injector that includes a pressurized gas source, an actuator, a driver, and a dispenser. The dispenser of the injector includes a reservoir for containing a desired amount of a chosen medicament...
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WO/2003/036143A1 |
Regulating insert, chiefly for insertion in a valve housing or the like in a flowing medium, comprising a pre−setting for regulation and&sol or setting of amounts of liquid in installations with flowing media for the limitation of the ...
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WO/2003/034169A1 |
A flow regulator and a flow regulating method capable of being released from conventional restrictions by using a new system called the pulse shot system, the method comprising the steps of repeating pulse shots (performing the opening a...
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WO/2003/032101A1 |
A system and method for making a mass flow device (21) for use with one or more fluids is provided. The method includes obtaining fluid behavior of a fluid to be calculated for a given restrictor (114). Parameters for components used in ...
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WO/2003/029909A1 |
A liquid dispensing system (100) increases the precision, reliability, and safety of dispensing medications and other liquids. An electronic brake (106) grounds a power terminal (118) of a pump motor (102) to absorb the kinetic energy of...
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WO/2003/027553A2 |
The present invention relates to a system that automatically increases or decreases flow in tubes when exposed to temperature variations and to a tube that automatically stops fluid from flowing when exposed to heat. The system comprises...
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WO/2003/023264A1 |
An insert for being mounted in a valve housing (80) or a tubular member for dynamic flow control of a flowing medium. The insert comprises: - a first cup-shaped part (1) provided with an outflow area; - a second cup-shaped part (10) arra...
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WO/2003/021368A1 |
A method of controlling the dispensing of adhesives or sealants uses actual flow rate measurements to generate an error signal which is used to correspondingly alter the flow rate with a controllable flow regulator (18).
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WO/2003/012209A1 |
There is described a novel fluid level control system, particularly useful for controlling the level of water flowing in an open channel. The fluid level control system comprises a gate having a flap portion (3) interconnected to a lever...
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WO/2003/009075A2 |
The invention relates to a method for operating a system for introducing a gaseous medium into at least two reservoirs (9, 10) counter an entry pressure (p¿a1?, p¿a2?) inside the reservoirs that is preset each time. Relatively short co...
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WO/2003/002897A1 |
Improved low flow impedance flow control valves are disclosed in the present invention wherein spring valve means (12) captured between a valve spool (28) and a shoulder (30) are utilized for selectively metering a flow of fluid from an ...
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WO/2003/000329A2 |
An aerosolization device comprises a housing having a mouthpiece, and a flow path arrangement in fluid communication with the mouthpiece. The flow path arrangement has a flow regulating valve and a threshold valve, where the threshold va...
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WO/2003/001312A1 |
The invention relates to a method and apparatus for the basic control of systems distributing flowing medium, in which medium flows of a predetermined size are distributed during the control phase through a distribution network for flowi...
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WO2001065326A9 |
A mass flow controller has a sensor section that generates an electrical signal, dependent on the measured flow rate. The controller sends a control signal to a magnetic field generating unit, dependent upon the actual flow rate and the ...
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WO/2002/101474A2 |
A flow controller which uses a combination of hydrostatic pressure and electroosmotic flow to control the flow of a fluid. A driving fluid (1204) whose flow rate is dependent on both hydrostatic pressures and electroosmotic flow can be u...
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WO/2002/101478A1 |
The monitoring and control or shutdown capability of system (200) is provided by overfill prevention unit (225) and ground detection unit (226) in the system. In this example, however, the inventor provides an additional control monitor ...
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WO/2002/095519A1 |
A fluid flow control system that includes a fluid inlet to receive a flow of process fluid and a plurality of fluid outlets. The plurality of fluid outlets include a first fluid outlet and at least one second fluid outlet. The first flui...
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WO/2002/090894A1 |
A flow diagnostic system (100) for a flow sensing element and impulse line (104). A pressure transmitter (102) coupled to the impulse lines (104) provides digital pressure data to a control system (112). The control system (112) provides...
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