77results about "Ratio control" patented technology

To provide a structure for easily arranging a control board in a flow rate ratio control device.SOLUTION: The fluid control device includes a plurality of fluid control devices 2 in which a fluid sensor 22 and a fluid control valve 23 are provided in a flow passage block 21, and a control board 4 for controlling the plurality of fluid control devices 2, and the control board 4 is erected on an upper surface of the flow passage block 21 along an arrangement direction of the plurality of fluid control devices 2.SELECTED DRAWING: Figure 1

To provide a system and method for stably supplying acetylene.SOLUTION: The system comprises at least one acetylene storage apparatus 1, 2, a detection module 5, a gas dilution module 4 and a gas supply regulating module. By mixing a feedstock stream outputted from the acetylene storage apparatus with a diluting gas in a specific ratio, a photoionization detector is successfully used to detect a solvent content in the feedstock stream. This real-time and continuous detection method ensures a stable supply of acetylene to a downstream process.SELECTED DRAWING: Figure 1

The invention relates to a liquid circuit (10) for an agricultural sprayer (100) comprising a main tank (11), a sealed transfer system (12) capable of transferring a liquid product contained in a container (14) to the liquid circuit in a sealed manner, a suction mechanism (13) designed to suction liquid product from the sealed transfer system and to pump said liquid product back to the main tank, a metering mechanism (17) and a control unit (18) designed to determine a quantity of liquid product to be supplied to the suction mechanism for filling the main tank, and to command the metering mechanism to supply the determined quantity of liquid product to the suction mechanism, so as to meter the liquid product transferred from the sealed transfer system to the main tank.

The fluid preparation device is configured to provide (205) a medical fluid for use in dialysis therapy by generating (204) a mixture of a base fluid and one or more concentrated fluids, each of the one or more concentrated fluids being stored in a respective container. The control device determines (203) a reference concentration of the concentrated fluid at a reference point in time by operating (202) the device to pump the concentrated fluid to a sensor device for measuring a component-related parameter. The control device estimates (206) an instantaneous concentration of the concentrated fluid as a function of time by using the reference concentration and at least one calculation function for calculating an evaporative moisture loss over time from the container. Before or during the production of the mixture, the control device adjusts (207) a mixing ratio between the base fluid and the concentrated fluid based on the instantaneous concentration to produce a mixture having the target component.

A computer-implemented method includes a computer-implemented method can include receiving telematics data comprising information related to one or more driving behaviors of a user. The telematics data is received from one or more sensors located in a vehicle when the user is operating the vehicle. The method also can include determining one or more user characteristics of the user based at least on the telematics data. The method additionally can include selecting an advertisement from a plurality of advertisements based at least on the one or more user characteristics. Other embodiments are described.

Method and device for controlling a fluid network The present description relates to a method for estimating, by a calculation device, parameters for controlling a fluid network, from at least one source station to at least one destination station and via at least one pipeline, the network comprising at least one valve and / or at least one pressure reducing station, the method comprising: determining a configuration of the at least one valve and / or of the at least one pressure reducing station and / or of the at least one source station; initializing coefficients associated with the at least one pipeline; a first estimation of the parameters, on the basis of the configuration, updating the coefficients on the basis of the first estimation; searching for a new configuration on the basis of the updated coefficients; a second estimation; and providing the second estimation to a control station. Figure for abstract: Fig. 3

Systems and methods for shared drone usage are disclosed. A drone owned by one party is made available for control by a second party through a combination of drone-end software, a streaming service, and a system backend. The second party is provided a set of controls that is translated into the manufacturer-designated controls for the drone.

[0006] Several embodiments of a fast gas exchange (FGE) manifold are provided herein. In some embodiments, the FGE manifold includes a manifold housing having a plurality of inlets and a plurality of outlets for flowing a plurality of process gases through the manifold housing, the plurality of outlets corresponding to a plurality of zones in a process chamber, a plurality of hybrid valves disposed within the manifold housing and fluidly coupled to the plurality of inlets, a plurality of mass flow controllers disposed within the manifold housing downstream of the plurality of hybrid valves, a plurality of mixing lines extending downstream from the plurality of mass flow controllers to a plurality of outlet lines, and a plurality of outlet valves disposed along corresponding ones of the plurality of outlet lines, wherein a flow path is defined between each inlet of the plurality of inlets and each outlet of the plurality of outlets.

Systems and methods for shared drone usage are disclosed. A drone owned by one party is made available for control by a second party through a combination of drone-end software, a streaming service, and a system backend. The second party is provided a set of controls that is translated into the manufacturer-designated controls for the drone.

A method is for manufacturing elements including hydraulic binder and aggregates. The method includes mixing a dry mortar composition including hydraulic binder and aggregates with water, to form a wet mortar. The method also includes pumping and conveying the wet mortar towards an outlet. During the conveying at least two physical properties of the wet mortar are measured on-line. The physical properties include viscosity and at least one of flow and density.

To provide a system for stabilizing a reaction chamber pressure and a method.SOLUTION: A reactor system may comprise: a first gas source; a second gas source; and a reaction chamber fluid-connected to the first gas source and the second gas source. First gas and second gas are respectively supplied to the reaction chamber from the first and second gas sources, to achieve stabilization of a reaction chamber pressure. The reactor system may comprise: an exhaust line fluid-connected to the reaction chamber in a downstream side of the reaction chamber; a vent line fluid-connected to the first gas source and / or the second gas source, and the exhaust line and bypassing the reaction chamber; and a vent line conductance control valve connected to a pressure monitor connected to the vent line, structured so as to monitor a vent line pressure in the vent line and / or the vent line, and structured so as to perform an adjustment in response to a feed-back from the pressure monitor.SELECTED DRAWING: Figure 1

The present invention provides a system and method for precisely dividing an inlet fluid flow into multiple outlet flows. [Solution] A method and apparatus for the controlled division of a fluid flow into multiple channels, wherein an input command specifies the flow rate in each channel as a percentage of the total flow rate. The flow rate in each channel is controlled by a valve that can be moved to a specified position, the position being determined as a function of the specified percentage, the pressure upstream of the valve, and the pressure downstream of the valve.

Methods and systems of admixing hydrocarbon liquids from two or more sets of tanks into a single pipeline to provide in-line mixing thereof. In an embodiment of the in-line mixing system, hydrocarbon liquids stored in at least one tank of each of two or more sets of tanks positioned at a tank farm are blended into a blend flow pipe via in-line mixing and the blended mixture is pumped through a single pipeline. In one or more embodiments, the in-line mixing system employs a separate spillback or recirculation loop that is fluidly connected to each set of the two or more sets of tanks to control the flow of the hydrocarbon fluid / liquid from each set of tanks to the blend flow pipe. Associated methods of operating one or more embodiments of the system include regulation of spillback or recirculation loop flow rate and / or pressure to drive the actual blend ratio towards a desired blend ratio.

Ergonomic device for mixing fluids with controlled metering, provided with at least a mixing system (2) adapted to allow an automatic mixing in predetermined quantities of an additive fluid with a primary fluid; said device comprising: - at least a first coupling flange (1.2) and a second coupling flange (1.3), provided with a plurality of connection systems, which may be located in the zone (1.4), and seals (2.9) adapted to contain fluid leaks, a substantially cylindrical body of the device (1.1) adapted to house a mixing system (2); a mixing mechanism consisting of an axis (2.1) and a plurality of blades (2.2); at least one ergonomic grip (1.5), possibly an integrated train of reduction gears (2.3) which transmits the correct torque and number of revolutions to the pump, at least one gear pump (2.6) or equivalent device, possibly a gearbox (2.8); a final metering nozzle (2.7).

A buffer management system includes at least one workstation configured to support a supply of concentrated buffer solution and an inline dilution skid having a manifold. The manifold is in fluid communication with the supply of concentrated buffer solution and is adapted to be placed in fluid communication with a source of water for injection (WFI). The manifold includes a buffer inlet line in selective fluid communication with the supply of concentrated buffer solution, a WFI inlet line in selective fluid communication with the source of WFI, and a discharge line in fluid communication with both the buffer inlet line and the WFI inlet line. The inline dilution skid is configured to variably mix the supply of concentrated buffer solution and the source of WFI to obtain a range of diluted buffer solutions.

The invention provides a substrate processing apparatus capable of improving solvent concentration in a shorter time. This substrate processing apparatus (100) is provided with a processing tank (Tk0), a substrate holding unit (10), a discharge unit (4), and an organic solvent recovery unit (5). The processing tank (Tk0) stores a liquid (L1). The substrate holding unit (10) holds a plurality of substrates (W) and immerses the plurality of substrates (W) in the liquid (L1) in the processing tank (Tk0). The discharge unit (4) discharges a second-concentration liquid having a higher solvent concentration than the first-concentration liquid from a treatment tank (Tk0) in which a liquid (L1) is stored in the treatment tank (Tk0), the liquid (L1) containing water and an organic solvent having a lower specific gravity than the water and having a higher solvent concentration on the upper side than on the lower side, while avoiding at least a part of the first-concentration liquid in the liquid (L1). The organic solvent recovery unit (5) includes a dehydrator that separates water from the second-concentration liquid discharged by the discharge unit (4) and generates a third-concentration liquid having a higher solvent concentration than the second-concentration liquid.

A computer system is provided, comprising processing circuitry configured to access a map (312) representing the flow ratio as a function of a position of a mixing valve (260) being configured to provide a specific ratio between at least two incoming flows based on a position of the mixing valve (260), said mixing valve (260) forming part of a thermal management system (200); obtain the temperatures of the at least two incoming flows and the temperature of at least one outlet flow of the mixing valve (260); obtain the actual flow ratio for at least one position of the mixing valve (260) based on the obtained temperatures; determine that the obtained flow ratio is different from the corresponding value of the map (312) for the same mixing valve position; and update the map (312) with the obtained flow ratio.

The diluent supply device (1) includes: a diluent preparation unit (2) for preparing diluent (W1); a storage tank (3) for the prepared diluent; a diluent adjustment and supply mechanism (4) for supplying the diluent (W1) stored in the storage tank (3) as cleaning water (W2) to multiple sheet cleaning machines (5A, 5B, 5C); and a return mechanism that is connected to the sheet cleaning machines (5A, 5B, 5C) respectively and returns the residual water of the sheet cleaning machines to the storage tank (3). With such a diluent supply device, the solute concentration of the diluent can be adjusted with high precision, and the discharge of residual water can be suppressed, making it suitable for cleaning wafers and the like.

A system for mixing acid and water can include a tank for holding acid, an acid pump for pumping acid out of the tank, an acid flow meter, an acid control valve, a water pump for pumping water, a water flow meter, a water control valve, a flush valve to selectively flush the system with water, and a controller to monitor the flow meters and control the pumps and the valves. The acid control valve and / or the water control valve can be an electronically controlled valve. The flush valve can be an electronically controlled valve to selectively permit water to flow from downstream of the water pump to upstream of the acid pump. The acid control valve, the water control valve, the flush valve, or any combination thereof can be throttled by the controller to control flow therethrough.

A device (1) is proposed for mixing at least one first fluid (2) and a second fluid (3) with a first fluid conductor (4) for guiding the first fluid (2) and a second fluid conductor (5) for guiding the second fluid (3), as well as a mixing section (6) for mixing the fluids (2, 3) to form a mixed fluid, and a collecting conductor (7) for guiding the mixed fluid with a collecting conductor pressure (P). S ), a consumer connection (8), for supplying the mixed fluid to a consumer (9) with a consumer pressure (P V ) and a control element (10) for adjusting the manifold pressure (P S ) and / or consumer pressure (P V Furthermore, the regulating device (10) is designed to regulate the manifold pressure (P). S ) and / or consumer pressure (P V ) to keep essentially constant.

Fluid control device (1) for a thermal management system, in particular a thermal management system of a motor vehicle, comprising at least one actuating element (2), in particular a piston rod, which can be selectively set to one of at least two actuating element positions and which is configured to at least partially open or close at least one fluid opening depending on the actuating element position of the actuating element (2), wherein the actuating element (2) has at least two locking engagements (7-9) assigned to the at least two actuating element positions for a locking element (5) of the actuator (4) which can be brought into the locking engagement (7-9) by means of an actuator (4), wherein the locking engagements (7-9) are configured to have different depths, wherein a position determination device (12) of the fluid control device (1) is configured to determine an actuating element position of the actuating element (2) depending on a locking position of the locking element (5).

A computer system is provided, comprising processing circuitry configured to access a map (312) representing the flow ratio as a function of a position of a mixing valve (260) being configured to provide a specific ratio between at least two incoming flows based on a position of the mixing valve (260), said mixing valve (260) forming part of a thermal management system (200); obtain the temperatures of the at least two incoming flows and the temperature of at least one outlet flow of the mixing valve (260); obtain the actual flow ratio for at least one position of the mixing valve (260) based on the obtained temperatures; determine that the obtained flow ratio is different from the corresponding value of the map (312) and with the same mixing valve position; and update the map (312) with the obtained flow ratio, for the same mixing valve position.

The present invention relates to a valve module (1, 30) for a ventilator (40) for influencing flow properties of a respiratory gas flow, comprising a flow channel (3) in which a valve (2) is arranged, wherein the flow channel (3) has an inlet (4) and an outlet (5) that can be connected to the ventilator (40) in a fluid-communicating manner, and comprising a first volume flow sensor (6) for measuring a volume flow in the flow channel (3), characterized in that at least one further volume flow sensor (7) is provided for measuring a volume flow in the flow channel (3), and the valve (2) can be controlled taking into account a setpoint, a measured value of the first volume flow sensor, a measured value of the at least one further volume flow sensor, and a module characteristic map (10) generated before the intended use.wherein the module characteristic map (10) comprises measured values ​​acquired at least by the first volume flow sensor (6) and by the at least one further volume flow sensor (7). Furthermore, the invention relates to a ventilator (40) with a valve module (1, 30) and a method.

The systems and methods of the present invention provide a more accurate molar delivery amount of process gas for each pulse of pulsed gas delivery by measuring the concentration of the process gas and controlling the amount of the gas mixture delivered in the pulse of gas flow based on the received concentration of the process gas. Control of the molar delivery amount for each pulse can be achieved by adjusting the flow set point, the pulse duration, or both.

A method and system for adjusting chemicals in a fluid stream is disclosed. The method and system adjust the assumed concentration of a target substance in the fluid stream, and calculate a total amount of the target substance based on the flow rate. A chemical reagent stored in a tank is then introduced into the fluid stream at a injection rate sufficient to capture or otherwise remove the target substance from the fluid stream.

Method of controlling a pump to control a fluid pressure in a fluid system comprising a distribution source, a supply grid and a return grid for respective recipients and the pump wherein the method comprises: receiving a local differential pressure between the supply grid and the return grid at a first location; receiving a remote differential pressure between the supply grid and a the return grid at a second location further displaced along the supply line downstream from the pump than the second location; controlling operation of the pump based on the received data and on a local pressure set point; responding to a detected failure to receive the primary remote sensor data at least by modifying, in particular increasing, the local pressure set point and by controlling operation of the pump based on at least the received local sensor data and the modified local pressure set point.

A system and method for automated blending of hydrogen gas with traditional fuels, such as natural gas, to produce a consistent stream of precision-blended flow with a single customizable, movable and modular unit that is automatically controlled, is disclosed. The system and method includes a self-contained modular unit, automatic flow control computers and systems, which are configured to automatically adjust the hydrogen blend for variable flow and pressures present in an existing distribution system, varying hydrogen and natural gas flow rates to maintain a repeatable percentage of hydrogen without manual operation.

A system and method for automated blending of hydrogen gas with traditional fuels, such as natural gas, to produce a consistent stream of precision-blended flow with a single customizable, movable and modular unit that is automatically controlled, is disclosed. The system and method includes a self-contained modular unit, automatic flow control computers and systems, which are configured to automatically adjust the hydrogen blend for variable flow and pressures present in an existing distribution system, varying hydrogen and natural gas flow rates to maintain a repeatable percentage of hydrogen without manual operation.