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WO/2005/003616A1 |
A flow controller (11) adapted to control a flow of fluid within the flow controller (11), the flow controller (11) having a flow path adapted to convey said fluid, wherein the cross-sectional area of the flow path varies along the flow ...
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WO/2005/003693A2 |
A system of one or more configurable flowmeters allows an individual, locally or remotely, to selectively activate one or more functions of the flowmeters. The individual is capable of selecting which parameter of the process flow that t...
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WO/2005/001911A1 |
Provided is apparatus for controlling flow rate of gases used in semiconductor device by differential pressure by generating differential pressure in a fluid path. A differential pressure generation element generates pressure difference ...
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WO/2005/001317A2 |
A flow system includes a proportional valve constructed of chemically inert materials (PTFE) to produce variable fluid flow rates of liquids including inert, and high purity, and even highly corrosive liquids. Gases of many varieties can...
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WO/2004/114038A1 |
A treatment gas with a predetermined flow rate (Q) is accurately and quickly divided and fed from gas feeding equipment having a flow rate regulating device into a chamber with a desired flow rate ratio (Q1/Q2). Opening/closing valve (OV...
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WO/2004/114039A1 |
A fluid-flow control apparatus including an electrical monitor device which, in operation, monitors a fluid-flow metering element or elements which, in operation, provides or provide an electrical signal.
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WO/2004/106752A1 |
A flow restrictor can comprise a piece of foil surrounding a central pin of the flow restrictor. The piece of foil can have grooves that extend from one end of the flow restrictor to the other. In some embodiments, the piece of foil may ...
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WO/2004/106791A1 |
A fluid control valve device for controlling water flow in a shower is adapted for connection between a wall outlet pipe and a shower arm. After a predetermined time an electronic control module (28) in the device switches a valve (12)in...
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WO/2004/107075A1 |
The invention relates to a heating valve array (1) comprising a housing that has an inlet (2) and an outlet (3), a first valve device (6) having a valve seat (8) and a valve element (7), and a second valve device (10) that maintains a co...
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WO/2004/104526A1 |
A mass flow measurement apparatus including a flow path defined by a tubular side wall, a probe extending through the side wall into the flow path so that a first portion of the probe is located in the flow path and a second portion of t...
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WO/2004/102046A2 |
A fluid operated control valve for controlling fluid flow of a system which includes a first and a second fluid channels therein, the control valve includes: a hollow casing with closed first and second ends; piston member slidably dispo...
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WO/2004/102068A1 |
A cooling unit (2) having a pump (20) for generating an airflow is provided for cooling a High Power lamp (10) during operation. The value of the airflow is controlled by a control unit (3) which comprises a driver (30) for determining a...
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WO/2004/095155A1 |
An apparatus for conditioning a gas flow to improve a measurement of rate of pressure change associated with the gas flow includes a measurement chamber (102) having an interior portion characterized by an internal volume, and an inlet p...
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WO/2004/094824A2 |
A system for injecting liquid hydrogen peroxide using a closed-loop flow control for controlling the injection rate of the liquid hydrogen peroxide. An injection rate is determined from measuring the rotational speed of a pump motor (60)...
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WO/2004/094990A2 |
The present invention provides an apparatus for dispensing fluid in preselected volumetric quantities. The apparatus comprises a valve positioned inline with a conduit holding fluid under pressure, a flow meter positioned inline with the...
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WO/2004/082051A1 |
The invention relates to an arrangement for continuously supplying electric power to a field device (10) in a technical system. Said field device is fitted with a wireless communication interface (5). At least one fuel cell (14) with a m...
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WO/2004/079468A1 |
A constant flow rate control-type flow rate control valve with a simplified structure. The flow rate control valve has an evaporator (1) considered as a choked passage and a constant differential pressure valve. The constant differential...
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WO/2004/079093A1 |
The invention relates to a method for feeding a treating agent to an application apparatus (40) used for applying coating colour or surface size directly or indirectly to a paper or board web, in which method part of the treating agent...
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WO/2004/074182A2 |
The invention provides a flow regulator for controlled gravity flow of fluid comprising: - a flow control reservoir adapted to discharge the required volume of fluid and comprising at least one inlet for entry of the fluid into the reser...
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WO/2004/072561A2 |
A natural gas fuel regulator (10) for a natural gas fueled internal combustion engine (120) for driving a co-generation plant, which allows exhaust recycled gas combustion while maintaining lower head temperatures to reduce thermal NOx, ...
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WO/2004/070488A1 |
In order to monitor the wear and tear of a microfluidic device with fluid channels (7), sensors (9) for detecting flow-relevant quantities are assigned to said fluid channels. A device (13) stores the values of the detected quantities an...
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WO/2004/070801A1 |
A fluid control device, comprising a flow controller (13g) in a gas line (13), a pressure control system area (14) provided on the upstream side of the flow controller (13g) in the gas line (13), and an extension part (15) extending from...
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WO/2004/070322A2 |
The present invention provides an apparatus and method for controlling the flow of fluids through a conveyance (20) with a hydraulic valve including a flexible portion (10). The flexible portion is positioned in the conveyance so that fl...
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WO/2004/068079A2 |
Methods and apparatus are provided for modulating a flow of fluid in a duct using a rotating member that rotates in the duct. A sensing unit senses the rotation speed of the rotating member and generates a rotation signal as a function o...
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WO/2004/065911A2 |
An apparatus and method for controlling the flow of a process material from a higher pressure environment to a lower pressure environment is provided. Each of a first and second chamber is divided into a product region and a control regi...
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WO/2004/066048A1 |
A pressure-type flow control device is used to permit a high-accuracy control of the flow rate of a clustering fluid such as HF gas to be supplied to a vacuum chamber or the like within a flow rate range of about 3-300 SCCM. Specifically...
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WO/2004/063679A1 |
Disclosed is a mass flux controller. In a thermal mass flux measuring sensor including: a channel through which a fluid flows; a sample flowing tube installed in such a way that a sample fluid can be always collected in a constant ratio ...
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WO2004020956A9 |
A mass flow controller is disclosed and includes body portion having a first internal passage and at least second internal passage formed therein, a flow control valve coupled to the body portion and in communication with the first and s...
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WO/2004/050509A1 |
An apparatus for dispensing particulate material comprises first (1) and second (10) hoppers in flow connection, with means (4) for restricting flow between the hoppers and (1, 10) and means (19) for recycling selected amounts of particu...
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WO2003096030B1 |
The invention provides a regulating apparatus (10) for regulating the movement of spherical elements from one location, typically from a container (14), to another. The apparatus (10) includes a cylindrical tubular member (18) and a feed...
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WO/2004/046840A1 |
A volume flow controller (1) for controlling the flow of a gas mixture of variable proportions through a conduit (3) has a valve means (5) for regulating the flow of gas through the conduit, a drive means (9) for driving the valve means,...
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WO2004001515A9 |
A system and method for measuring fluid or gas flow rate, for the system where fluid or gas is pumped, such as gas monitoring instrument, via a conduit to a sensor. The flow of gas through a pump (14) is determined by measuring motor bac...
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WO/2004/033956A1 |
A digital valve positioner is controlled to automatically characterize a valve to provide a linear relationship between the valve control signal and the amount of flow.
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WO/2004/030860A2 |
A flow control system (100) includes a substantially rigid vessel (110) with a process fluid reservoir (112) situated in the rigid vessel (110) is in fluid communication with an outlet (116). A movable member (120) and/or a working fluid...
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WO/2004/029745A1 |
A method and an apparatus for controlling feeding of solid matter in a process comprising at least one solid matter unloading point (UP), at least one belt conveyor (2, 2', 3, 5) and at least one solid matter feeding point (SP), solid ma...
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WO/2004/027535A1 |
Method and apparatus for providing liquid flow at a controlled rate less than 100 microliters/minute, and for varying the flow rate in a desired way. A liquid is driven through a conduit by pressure. The rate of flow of the liquid throug...
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WO/2004/027534A1 |
The invention relates to a volumetric flow regulation valve (36, 38) comprising a throttle body (48, 54) which may be axially displaced in a housing (40, 44), by means of which the volumetric flow is diverted. According to the invention,...
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WO/2004/022136A2 |
The present invention relates to flow restrictors suitable for the controlled transfer of fluid from a first compartment to a second compartment. More specifically, the invention relates to a safety arrangement reducing the risks associa...
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WO/2004/018350A1 |
A control method and device capable of performing sucking of a minute amount of a sample fluid in a minute flow passage such as micro flow passage and nano flow passage, and capable of performing flow rate control and flow dividing contr...
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WO/2004/017150A1 |
A time based flow controller for incompressible fluid includes at least one reservoir 1, the volume of each reservoir 1 changing in a cycle, at least one inlet valve 13, each inlet valve 13 opening/closing an inlet of a corresponding res...
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WO/2004/015511A1 |
A fuel reforming assembly (10) has a control unit (16) electrically coupled to both a fuel reformer (14) and a temperature sensor (34). The control unit (16) is configured to communicate with the temperature sensor (34) to determine the ...
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WO/2004/010086A2 |
A fluid flow measuring and control device for measuring a flow rate based on a pressure drop created by a restrictive flow element (15). The device includes a proportional flow valve (10) having a fluid inlet and a fluid outlet and an ac...
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WO/2004/010474A2 |
Apparatus and a control system for monitoring (preferably digitally) and/or controlling pressure to a pneumatic load such as a proportional fluid control valve and using a measurement input from a fluid measuremenc device that responds t...
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WO/2004/010234A2 |
Performance of mass flow controller may be vulnerable to pressure transients in a flow path to which the controller is coupled for the purpose of controlling the fluid flow. A system and method are provided for reducing or eliminate perf...
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WO/2004/006035A1 |
A fluid control valve comprises a main body (1), a bonnet (2), a spring seat (3), a piston (4), a spring (24), a first diaphragm (27), a first valve member (5), a second valve member (6), and a base plate (7), wherein the opening area of...
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WO/2004/003673A1 |
The invention relates to a flow rate regulator (11) comprising a regulator unit (8) with a regulator housing (1), which has a control cone or a regulator core (3) in a passage (2), said cone or core being surrounded by an annular restric...
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WO/2004/003490A1 |
An improved loss-in-weight feeder, and methods for its use, having a material delivery system, a weight-sensing device for material input, a mass flow control mechanism which adjusts flow to a designated rate in response to changes in we...
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WO/2004/001516A1 |
A mass flow controller includes a thermal mass flow sensor in combination with a pressure sensor to provide a mass flow controller that is relatively insensitive to fluctuations in input pressure. The pressure sensor and thermal sensor r...
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WO/2004/001347A2 |
Disclosed is a metering device for creating a precisely dosed volume flow, comprising two displacing devices which are operated in phase opposition. The speeds at which the volumes of the displacing devices are displaced are adjusted suc...
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WO/2003/104911A2 |
The present invention provides an apparatus for controlling a system (10) which includes a fluid conduit network (20) and at least two motors (40) each drivingly engaged with different fluid movement devices (30), the apparatus comprisin...
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