34results 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

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.

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.

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.

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 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 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.

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.

The present invention relates to a small, portable, self-contained manufacturing system that functions as a mini-factory. The system produces cleaning agents from raw materials, the chemical proportions of which are adjusted based on the type and quantity of product desired. The machine determines and combines these proportions based on chemical formulas entered through a programming language used during production. Once the user selects the type and variety of cleaning agent required, the machine produces and dispenses a ready-to-use final product (as shown in FIG. 1) without any direct human handling of chemicals.

This device is a small, portable, self-contained manufacturing system that functions as a miniature factory. It produces cleaning agents from raw materials. The chemical proportions are adjusted based on the type and quantity of the desired product. The device determines and combines these proportions based on chemical formulas inputted through the programming language used during its manufacturing. Upon the user selecting the type and quantity of the required detergent, the device manufactures and dispenses the finished product, ready for use, without any direct human handling of chemicals (as shown in FIG. A1).

A nutrient dosing system including: a mixing tank for receiving a solvent and at least one nutrient medium; and at least one dosing device, each dosing device being fluidly connected to the mixing tank. Each dosing device includes a nutrient tank for storing a nutrient medium, a reciprocating pump having an inlet port fluidly connected to the corresponding nutrient tank, and an outlet port fluidly connected to the mixing tank, and an actuator configured to actuate the reciprocating pump. The nutrient dosing system also includes a controller configured to, for at least one dosing device, control the respective actuator to cause the corresponding reciprocating pump to: load the nutrient medium from the corresponding nutrient tank; and inject a target amount of nutrient medium into the mixing tank.

To keep a percentage of respective powders for constituting mixed powder constantly within a desired range in a system for supplying to an apparatus for executing processing of a post-process by mixing a plurality of powders discharged by the plurality of respective power supply devices.SOLUTION: A system has a first power supply device for discharging by storing first powder and a second powder supply device for discharging by storing second powder, and has a control part for controlling to converge a flow rate of the powder discharged by the first powder supply device and a flow rate of the powder discharged by the second powder supply device in respective target values, for supplying mixed powder of mixing the powder discharged at a required ratio from both powder supply devices to an apparatus for executing processing of the post-process, and constitutes the control part for increasing-decreasing a discharge flow rate of the powder by the second powder supply device so that the ratio of the first powder and the second powder included in the mixed powder is maintained in a desired range when the discharge flow rate of the powder by the first powder supply device is deviated more than a prescribed value from its target value.SELECTED DRAWING: Figure 6

To provide a pulse gas control system, a pulse gas supply system, and a method for controlling the pulse gas supply system for providing an accurate molar supply amount of process gas to a process chamber.SOLUTION: The system and method of the present invention provide a more accurate molar delivery of process gas for each pulse of pulsed gas delivery by measuring the concentration of the process gas and controlling the amount of gas mixture delivered in a pulse of gas flow based on the received concentration of the process gas. Control of the molar feed rate for each pulse can be achieved by adjusting the flow set point, the pulse duration, or both.SELECTED DRAWING: Figure 5

The invention discloses a corrosion fretting wear experimental device, which relates to the field of material performance testing, and comprises an experimental platform, an experimental assembly, an environment control box, a gasification assembly and a power assembly, the environment control box is located on the experiment platform and comprises a box body, a controller and a corrosive gas concentration meter, and the controller is in signal connection with all the assemblies and controls operation of the gasification assembly to regulate and control the corrosive gas concentration; the experiment assembly is located in the box body and provides micro-motion for a sample; the gasification assembly is located on one side of the experiment platform and provides corrosive gas for the box body. The power assembly is fixed on the experiment platform and is in transmission connection with the experiment assembly. When a test sample corrosion fretting wear experiment is carried out, a test sample is put into the experiment assembly and put into the box body, the controller controls the power assembly to move the experiment assembly and open the experiment assembly and the gasification assembly to carry out the experiment, the corrosion gas concentration is monitored and the gasification assembly is regulated in the experiment process, and the experiment assembly does not need to be paused; and the synchronous development capability of the fretting wear experiment and the salt spray corrosion experiment is improved.

The invention relates to an assembly and a method for supplying a gas mixture comprising two different gas components to a patient-side coupling unit. A first gas component is guided from a first source through a first pressure reducer and a first channel to a mixing point, and a second gas component is guided from a second source through a second pressure reducer and a second channel to the mixing point. Each pressure reducer comprises a pre-pressure inlet, a back-pressure outlet, a control pressure chamber and a control pressure actuator, respectively. The control pressure actuators control the pressure in the control pressure chambers, and the pressure at the back-pressure outlets depends on the pressure in the control pressure chambers. From a predetermined nominal share of the gas components, a nominal ratio between the volume flow through the first channel and the volume flow through the second channel is derived. The two control pressure actuators are manipulated with control targets or regulation targets such that the actual ratio of the two volume flows equals the derived nominal ratio.

A method for operating a mixing apparatus of a manufacturing plant comprises supplying multiple powdered products to the mixing apparatus. An inlet mass flow rate of the multiple powdered products into the mixing apparatus and a weight of the multiple powdered products in the mixing apparatus are measured. The multiple powdered products in the mixing apparatus are mixed to form a mixed product. The weight of the multiple powdered products in the mixing apparatus and an outlet mass flow rate of the mixed product from the mixing apparatus are predicted based on the measured inlet mass flow of the multiple powdered products. The predicted outlet mass flow rate of the mixed product from the mixing apparatus is corrected based on the measured weight of the multiple powdered products in the mixing apparatus. The mixed product is processed into final products.

A batch-process gas mixer may be provided by a mixing vessel, connected to first and second gas sources via respective first and second valve-operated lines; a first pressure sensor, configured to measure a first pressure in the mixing vessel; a mixed gas reservoir, connected to the mixing vessel via a third valve-operated line; a second pressure sensor, configured to measure a second pressure in the mixed gas reservoir; and a controller, configured to operate the first, second, and third valve-operated lines to: mix a first gas with a second gas according to the first pressure in the mixing vessel to produce a mixed gas with a predefined ratio of the first and second gases, and store the mixed gas in the mixed gas reservoir at the predefined ratio according to the first pressure in the mixing vessel and the second pressure in the mixed gas reservoir.

Method for calibrating at least one conveying device (1) for conveying liquid (9) and / or air (7) of a metering device (32) for metering a liquid (9) from at least one inlet (28) to at least one outlet (29), in particular from at least one container (3) to at least one induction distributor (46) and / or at least one target device (45), by means of the at least one conveying device (1), wherein a detection area (14) of at least one detector (15) for distinguishing between liquid (9) and air (7) is arranged between the at least one inlet (28) and the at least one outlet (29), comprising the following method steps: - Connecting at least one, in particular interchangeable, container (3) to the at least one inlet (28) by means of at least one docking unit (2) for coupling to the at least one container (3) and / or by means of a suction lance for introducing into the at least one container (2),wherein the detection area (14) of the at least one detector (15) is arranged in the docking unit (2) and / or in or on the suction lance, - starting the conveying of liquid (9) and / or air (7) by the at least one conveying device (1) responding to a start counting point (33), - detection of a change from liquid (9) to air (7) in the detection area (14) by the at least one detector (15) to an air detection counting point (39), - using the interval between the start counting point (33) and the air detection counting point (39) as a calibration counting span (42) for calibrating the at least one conveying device (1), and / or with the following process steps: - connecting at least one, in particular interchangeable, container (3) to the at least one inlet (28), - starting the conveying of liquid (9) and / or air (7) by the at least one conveying device (1) responding to a start counting point (33)- Detection of a change from air (7) to liquid (9) in the detection range (14) by the at least one detector (15) to a liquid detection counting point (34), - Detection of a change from liquid (9) to air (7) in the detection range (14) by the at least one detector (15) to an air detection counting point (39), - Use of the interval between the liquid detection counting point (34) and the air detection counting point (39) as a calibration counting span (42).,

A safety interface for a medical gas delivery system is provided, comprising a gas sensor operably interfacing the supply line of the system. The interface is configured to detect the presence of an incorrect gas type in the supply line using the gas sensor. In embodiments, upon detection of an incorrect gas type, the interface can activate a shut-off solenoid valve to close the supply line, thereby preventing the delivery of the incorrect gas. This system ensures accurate and safe delivery of medical gases to patients.

Disclosed in the present invention is a system for fully automatically implementing automated liquid dispensing on multiple relay tanks. The system comprises a plurality of concentration preparation tanks, a plurality of concentration tanks, an injection water filling tank, an online dilution system and a plurality of relay tanks. Each concentration preparation tank is connected to a plurality of the concentration tanks, the number of the concentration tanks connected to each concentration preparation tank being same; each concentration tank and the injection water filling tank are both connected to each relay tank via the online dilution system. The system for fully automatically implementing automated liquid dispensing on multiple relay tanks in the present invention can further reduce the sizes of the relay tanks, thereby reducing the whole area for buffer solution preparation, and satisfying the demand of short time for customers. In addition, reloading is carried out by means of the online dilution system so as to achieve the effect of continuous replenishment. Moreover, an intra-connection effect is achieved by means of the online dilution system, the plurality of the relay tanks, etc., thereby greatly improving the degree of automation.

Disclosed herein is a unit for refilling and transferring solid raw materials as well as a method for refilling and transferring solid raw materials from original containers into a process mixer, using the unit.

The invention discloses a process gas delivery control system with concentration monitoring. A process gas delivery system includes a first mass flow controller configured to receive a carrier gas at an inlet and output a flow of the carrier gas to a first conduit coupled to the first mass flow controller; at least one second mass flow controller configurable to receive a preliminary process gas therein and to direct a flow of the preliminary process gas into a second conduit; a joint in fluid communication with the first conduit and the second conduit such that the carrier gas output from the first mass flow controller can be mixed with the preliminary process gas output from the second mass flow controller to form a process gas; a third conduit coupled to the joint and the process chamber to deliver the process gas to the process chamber; and at least one concentration detector adapted and configured to measure a concentration of the preliminary process gas or a precursor within the process gas.

A method for producing components from polyurethane in a shot method, having the steps: a) determining actual shot start by evaluating the profile of the respective pressure of the reaction component after generation of an electric signal at shot start, and determining the time at which the reaction component enters the mixing chamber of the mixing head and storing the time of the actual shot time, b) determining actual shot end by evaluating the profile of the respective pressure of the reaction component after generating an electrical signal at shot end, and determining the time at which the reaction component no longer enters the mixing chamber of the mixing head and storing the time of the actual shot end, c) determining the conveyed volume of the reaction component by the volume flow counter of the respective reaction component, which volume was conveyed from the dosing pump between shot start and shot end.

A gravimetric blending system can include fluid storage reservoirs, a pivotable dispensing arm having dispensing nozzles, wherein each dispensing nozzle is configured to dispense a predetermined amount of fluid from each fluid storage reservoir a fluid container, and a scale configured to detect a weight applied to the scale. The gravimetric blending system may further include a controller configured to receive user inputs, identify a fluid contained within one of the fluid storage reservoirs that will contribute to the blend and the required weight of the fluid. The controller may be further configured to identify the expected change in weight to be detected by the scale, cause an amount of the fluid to be dispensed, detect the weight applied to the scale after the fluid has been dispensed, compare the detected weight to the expected change in weight, and determine if the expected weight of the fluid was dispensed.

1. A sensor mixer having a mixing device for mixing two or more components to produce a mixed liquid at a mixer output, and a property sensor for determining a property of the liquid, the property sensor comprising: a) a channel containing a sensing zone through which a liquid flows; b) two electrodes for generating an electric field at one or more sensing frequencies within the sensing zone; c) a data storage device containing a pre-stored set of calibration data representing previously measured calibration impedance responses at one or more sensing frequencies and at various property values ​​of the same liquid property; d) A device that repeatedly i) generating an electric field in the sensing zone between electrodes; ii) sensing the response impedance between the electrodes; iii) a device for deriving a characteristic value of the liquid property from the response impedance using a pre-stored set of calibration data representing the calibrated impedance response; The sensored mixer, wherein the characteristic sensor is in fluid communication with the mixer output such that the mixed liquid can flow from the mixer output through the sensing zone. A method for sensing a property of a liquid and a data set of calibration data representing a calibrated impedance response usable in the sensor and method are disclosed.