69 results about "Fluid transport" patented technology

A device includes a first portion, a second portion moveably coupled to the first portion via a junction, and a cooling loop structure. The cooling loop structure includes a fluid transport structure and a fluid driving structure coupled to the fluid transport structure. The fluid driving structure is configured to move a fluid through the fluid transport structure. The fluid transport structure extends into the first portion, into the second portion, and across the junction to enable heat distribution between the first portion and the second portion.

The invention relates to a temperature control device (1) for temperature control of a fluid, comprising: at least one fluid supply (11), at least one fluid discharge (12), and at least one fluid transport element (13), wherein the fluid transport element (13) comprises a drive (131) and at least one fluid conveying element (132) connected to the drive (131), and the drive (131) moves the fluid conveying element (132) as required, wherein the fluid conveying element (132) is in contact with the fluid at least partially, and when the drive (131) is activated, the fluid conveying element (132) transports fluid from the fluid supply (11) to the fluid discharge (12). The fluid conveying element (132) comprises an elastocaloric material at least partially. The invention also relates to a vehicle with a temperature control device (1) and a method for temperature control of a fluid.

This application provides a triboelectric self-sensing piezoelectric pump for drug delivery, a flow monitoring device, and a method, relating to the field of fluid transport and flow monitoring. A first friction part of a triboelectric sensor is disposed on an actuating component, and a second friction part is disposed on the inner wall of the pump body. When the actuating component vibrates to control the change in pump chamber volume, driving liquid to flow out through the inlet channel and pump chamber from the outlet channel, the first friction part passively follows the actuating component in synchronous vibration, synchronously changing the gap between the first and second friction parts. An electrical signal corresponding to the vibration of the actuating component is output from the second friction part, and this electrical signal can be calibrated as the corresponding liquid flow rate. This enables long-term, continuous, and accurate flow monitoring of wearable piezoelectric pumps, thereby improving the drug delivery safety and control accuracy of wearable piezoelectric pumps used in medical applications.

A fluid transport system, a fluid transport method, and a biochemical substance analysis device are disclosed. The fluid transport system includes a fluid storage module, a fluid usage module, a fluid distribution module, and a fluid drive module. The fluid storage module stores fluid. The fluid usage module includes multiple independent channels, each channel having one end connected to the fluid storage module via the fluid distribution module and the other end connected to the fluid drive module. The fluid distribution module selects the transport direction of the fluid. The fluid drive module generates driving force, causing the fluid in the fluid storage module to be independently loaded into each channel via the fluid distribution module. The fluid transport system of this application has a simple structure, low cost, and can realize the function of independently loading samples into each channel. It is also simple to operate and can achieve automated loading.

This invention relates to the technical field of deep well mining, and particularly to a real-time analysis and early warning method for true triaxial hydraulic fracturing test data. The method includes the following steps: acquiring multi-source monitoring data during the true triaxial hydraulic fracturing test, wherein the multi-source monitoring data includes mechanical property data, fluid parameter data, deformation monitoring data, and fracture evolution correlation data; assigning verification weights matching the test conditions based on the heterogeneous attributes of the mechanical property data, fluid parameter data, deformation monitoring data, and fracture evolution correlation data; and verifying the acquisition timestamps and range matching of each data point using the verification weights to generate a standard dataset. The real-time analysis and early warning method for true triaxial hydraulic fracturing test data provided by this invention can simultaneously capture the stress field, fluid transport, deformation state, and internal fracture evolution characteristics of rock samples, improving the comprehensiveness of rock sample condition characterization and solving the problem of one-sided condition perception.

This utility model relates to a fiber-reinforced composite polypropylene pipe. It solves the technical problems of insufficient stability in existing interlayer connections and easy wear and tear on the outer surface of the composite pipe due to particle erosion. It includes a hollow pipe body with an inner layer on its inner side, a middle layer on its outer side, and an outer layer away from the inner layer. A fixing structure is provided between the inner and middle layers, and between the middle and outer layers. The inner layer has several internally protruding ribs on its circumferentially inner side, and the outer layer has a wear-resistant surface on its circumferentially outer side, with wear-resistant parts on the wear-resistant surface. The advantages are: the fixing structure makes the pipe body structurally stable, enhancing the overall structural stability and mechanical strength of the pipe, and improving its resistance to deformation; the internally protruding ribs reduce resistance during fluid transport; and the wear-resistant parts on the outer surface of the pipe body resist friction and scratches from external objects, thereby effectively extending the service life of the pipe.

This utility model discloses a self-venting centrifugal pump for transporting lithium carbonate gas-liquid mixtures, relating to the field of fluid transport equipment technology. The aim is to achieve gas-liquid separation transport using a centrifugal pump, and the following technical solution is proposed: It includes a pump body, a first rotating shaft disposed within the pump body, a pump cover mounted on the rear side of the pump body, and a mechanical seal housing mounted on the rear side of the pump cover. An impeller is mounted on the first rotating shaft, and a second rotating shaft, coaxially arranged with the first rotating shaft, is disposed within the mechanical seal housing. A vacuum wheel is mounted on the second rotating shaft. An expansion chamber is formed at the bottom of the mechanical seal housing, and the expansion chamber is connected to the impeller chamber via the vacuum wheel chamber containing the vacuum wheel. This utility model provides an effective gas discharge path, allowing the centrifugal pump to focus on liquid transport, while the gas inside the centrifugal pump is discharged through the expansion chamber on the mechanical seal housing, thereby achieving gas-liquid separation transport in the centrifugal pump.

The application discloses a greenhouse gas point source emission satellite hyperspectral inversion model construction method and system. The method constructs a multi-branch deep neural network including a shared feature extraction layer, a physical characterization auxiliary branch and a main task predictor, jointly trains based on data alignment loss and physical residual loss, so that the network directly regresses the emission from the hyperspectral image block end to end; the physical residual loss substitutes the predicted concentration, the mask, the wind field and the emission into a preset physical equation structure, and constrains the network to meet the fluid transport law. The system includes a model construction module and an inversion module. The application avoids the error cascade amplification of the traditional serial inversion, reduces the dependence on external meteorological data, and realizes automatic inversion with high precision and high physical consistency.

This invention discloses an energy-saving pump system based on adaptive flow regulation, relating to the field of energy-saving control technology for fluid transport equipment. The system comprises the following components: constructing a distributed control network, establishing a distributed multi-objective optimization model based on load forecasting, an improved intelligent optimization algorithm, executing distributed collaborative optimization, and outputting optimized control commands. By constructing a multi-objective optimization model that integrates operating energy consumption costs, equipment wear costs, and start-stop penalties, combined with a dynamic adaptive penalty function and an intelligent optimization algorithm based on the optimal efficiency point, this invention significantly reduces the total energy consumption of the system while ensuring accurate fulfillment of flow requirements. Furthermore, by dynamically correcting the pump performance model and adaptively adjusting the pump combination strategy, it avoids long-term deviation of the pump from the optimal efficiency point, reduces equipment wear index, extends expected service life, and significantly reduces the total life-cycle maintenance cost.

The invention relates to a railway installation comprising a fluid transport network, a device connected to the fluid transport network and configured to be activated or deactivated depending on upper and lower threshold values of the fluid pressure, and a device (9) for activating and deactivating the device, connected to the network at the inlet and to the device at the outlet; the device (9) being configured to adopt a first configuration in which the device is deactivated or activated when the pressure fluid is below the lower threshold value or below the upper threshold value, a second configuration in which the device is activated or deactivated when the pressure fluid reaches the upper threshold value, and a third configuration in which the device is activated or deactivated when the fluid is below the upper threshold value and above an intermediate pressure threshold value greater than the lower threshold value.

This application relates to the field of fluid transport equipment technology and discloses a high-pressure adaptive diaphragm metering pump system based on real-time feedback of diaphragm deformation. The system includes a controller, a servo drive motor, a piston cylinder, and a pump head. An ultrasonic transducer array and temperature / pressure sensors are arranged within the hydraulic oil chamber, and a cleaning component and a direct-acting high-frequency solenoid valve are installed within the flow channel. The controller receives sensor data to dynamically correct the sound velocity, calculates the actual deflection volume and real-time deformation rate of the diaphragm, and then performs closed-loop displacement estimation and adjusts the motor operating frequency. The system combines motor encoder data to normalize the deformation rate to determine the micro-blockage state of the check valve. Upon detection of blockage, the motor is controlled to enter a pressure-holding mode and the solenoid valve is opened, releasing high-pressure hydraulic oil to drive the cleaning component to clean the check valve. After cleaning, volume compensation is performed through integral calculation. This invention achieves adaptive closed-loop control of displacement and online cleaning and maintenance of the equipment.

The present invention relates inter alia to a liner (20) for engagement in a wellbore (12), the liner (20) comprising: a closed end (24) and an open end (22); a plurality of nozzles (28) for transferring fluid radially from the liner (20), wherein the nozzles (28) are plugged with degradable nozzle plugs (104, 204, 304); wherein at least some of the nozzles (28) comprise nozzle plugs (104, 204, 304) with different degradation characteristics, such that the nozzle plugs (104, 204, 304) take different times to degrade, in particular to dissolve, when subjected to an acid; and wherein the nozzle plugs (104, 204, 304) are arranged in the liner axially ordered depending on their degrading characteristic. The invention further relates to a method of stimulating a well. The invention also relates to a method, performed by a data-processing system, of simulating fluid transport in a system for stimulating a well in a material formation.

The application relates to the technical field of data processing, and discloses a rain and sewage mixed connection tracing and spatial positioning method for a drainage pipe network of a micro monitoring station network, which comprises the following steps: according to the flow connection relationship of the drainage pipe network and the layout nodes of the micro monitoring station, the upstream confluence pipe network range of each micro monitoring station is defined, and a unique mapping relationship database between each pipe section and the corresponding multi-level monitoring topological sequence thereof is established; water quality and water level data of the monitoring station are acquired, and an analysis time period is intercepted; based on the space-time propagation correlation attribute of the data between the stations, a target monitoring topological sequence currently producing a response is identified in the mapping relationship database; a homomorphic mapping candidate pipe section set corresponding to the sequence is locked, and a pollutant source discharge inversion model of each candidate pipe section is constructed according to the fluid transport and diffusion mechanism of the pipe network; the model is used to calculate the fitting deviation degree of each candidate pipe section source hypothesis to the monitoring data, and the pipe section with the minimum deviation degree is selected as the positioning result.

This invention belongs to the field of fluid transport technology and discloses a special media transport system driven by an isolated liquid column and its working method. The system includes a power unit connected to a process pipeline unit. The power unit includes a symmetrically acting pump with a first driving chamber and a second driving chamber. The first driving chamber is connected to a first transport pipe, and the second driving chamber is connected to a second transport pipe. The process pipeline unit includes a symmetrically arranged first U-shaped pipe and a second U-shaped pipe. One end of the first transport pipe is connected to one end of the first U-shaped pipe, and the other end of the second transport pipe is connected to one transport unit. The other end of the first U-shaped pipe is connected to the second transport unit. This invention has a simple overall structure, enables zero-leakage transport of special media, eliminates the need for explosion-proof motors, avoids shear damage and wear / corrosion of flow-through components, and improves performance.

This invention belongs to the field of large-scale energy storage and hydrogen energy, and discloses a molten salt flow battery electrothermal co-storage system and method. The molten salt flow battery electrothermal co-storage system of this invention includes: an electrochemical reactor stack, a four-tank dual-temperature dual-electrolyte molten salt energy storage tank system, a fluid transport pipeline system, and a heat exchange system; wherein the heat exchange system is connected between the first and second tanks to form a heat exchange loop; the electrochemical reactor stack is connected to the low-temperature molten salt energy storage tank system to form an electrochemical positive and negative circulation loop; the molten salt serves simultaneously as the electrolyte for electrochemical energy storage and the heat storage medium for thermal energy storage. This invention achieves medium reuse by using the same molten salt as the electrothermal storage medium, increasing energy storage density and reducing energy storage costs; the four-tank dual-temperature structure ensures that the electrochemical reactor stack always operates in a low-temperature environment, guaranteeing stack lifespan, while the second tank can independently store thermal energy at higher temperatures.

This invention discloses a flexible, bendable composite pipe with spring support for ePTFE membrane winding, its preparation method, and its applications. The composite pipe includes a spring support body; multiple layers of ePTFE expanded polytetrafluoroethylene (ePTFE) membrane wound around the outer surface of the spring support body; the multiple ePTFE membranes are crystalline-linked by a hot-melt sintering process to form fluorocarbon bonds, thus combining the multiple ePTFE membranes with the spring support body to form a composite pipe wall structure. This structure solves the problems of collapse and loosening caused by the softness and deformation of single-layer ePTFE membranes, endowing the pipe with good tensile strength, flexible bending characteristics, and air permeability / filtration functions due to the microporous structure of ePTFE. The pipe is resistant to chemical corrosion and has a wide temperature adaptability range, making it suitable for industrial fluid transport and filtration systems requiring flexible conveying, pressure balance, or the infiltration / emission of specific gases. The preparation method mainly includes winding and hot-melt sintering processes within a specific temperature range.

This invention relates to the field of fluid transport control technology and discloses a water pump anti-siphon device. The device includes an inverted U-shaped main pipeline, with a through-wall pump installed at the input end of the pipeline. A multi-functional valve is installed on the pipeline, including a vacuum tank. The vacuum tank's bottom sealing flange is fixedly installed on the top of the inverted U-shaped main pipeline, and a main cavity is provided inside the vacuum tank. This anti-siphon device eliminates the need for a high-power motor and large-size impeller for the through-wall pump under low head and high flow conditions, reducing equipment procurement and operating costs. It employs an oil-lubricated rotary vane vacuum pump to create a vacuum, and automatically detects the liquid level and controls the vacuum pump's start and stop using a level sensor and float switch. This allows the medium to smoothly pass over the highest point of the inverted U-shaped pipeline, thus enabling a small-power pump to meet start-up and normal operation requirements, avoiding energy waste and equipment redundancy caused by using a large motor for a small load.

1. Name of the product in this design: Pneumatic PTFE pump. 2. Purpose of this design: For fluid transport. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention relates to energy-saving scheduling and control technology for industrial circulating water supply networks, and discloses a method for constructing an industrial fluid transport and distribution control model, a control method, and a device based on deep deterministic strategy gradient. First, a circulating water supply network experimental platform is built, a hydraulic simulation model of the circulating water supply network is constructed, and the model is iteratively corrected. Then, a DDPG reinforcement learning framework is constructed, and a composite reward function that considers energy consumption, continuous penalty for node pressure deviation, and penalty for flow exceeding limits is designed. Training is completed under the condition that the action space is a continuous adjustment of pump frequency. The trained DDPG model is encapsulated and deployed to an industrial PC. Terminal pressure and flow demand and actual operating parameters are collected via Ethernet as input, and pump frequency adjustment commands are output, which are executed in a closed loop via PLC and frequency converter. This invention can realize real-time energy-saving scheduling of industrial circulating water supply networks within a continuous action space, significantly reducing computation time and operating energy consumption, and improving the efficiency and safety of network operation.

An atmospheric water harvesting system includes: a set of operational sections including a sorbing subset of operational sections and a desorbing subset of operational sections, each including a sorbent chamber; a condensing subsystem defining a condenser inlet; a valve subsystem; a heating subsystem configured to heat the sorbent chambers; a fluid transport subsystem configured to direct fluid flow through the sorbent chambers; and a controller. The controller is configured to: operate the valve subsystem to direct a sorption flow from the chamber outlet to an exhaust outlet and direct a desorption flow from the chamber outlet to the condenser inlet; and concurrently execute a desorption phase and a sorption phase wherein a numeric ratio of the sorbing subset of operational sections to the desorbing subset of operational sections is based on a duration ratio of the sorption phase to the desorption phase.

A method for chemically crosslinking and optionally shaping (including thickness reduction) substantially non-cross-linked tissue, in particular biological tissue, using a permeable material layer. The method can be used in combination with a stepless pressure load / compression on the tissue, so as to always allow fluid transport into and out of the tissue to be treated under the chemical cross-linking; along the lines of drainage. The method can be carried out under different pressure loads / compressions, in particular in order to specifically influence the resulting tissue properties, and, for example, to bring about a homogeneous thickness distribution of the tissue and / or to deliberately and specifically place inhomogeneities, if desired. Furthermore, the method allows the introduction / imprinting of a consistent three-dimensional shape into the tissue to be treated, e.g. of inhomogeneities in the thickness of the tissue.

Flexible fluid transport conduit end fitting having a cap at least partially permeable to gas, and associated flexible conduit The end fitting (14) comprises: an end region of a polymer sheath (30) of the flexible conduit (10); end sections (32) of armor elements (29) disposed at least partially inside the end region of the polymer sheath (30); an end arch (50), defining a central bore (62) for fluid circulation extending along a central axis (AA′); a cap (51) defining with the end arch (50), a receiving chamber (52) for the end sections (32) of the armor elements (29); a rear sealing assembly (56) around the polymer sheath (30). At least one of the hood (51), rear sealing assembly (56) and end arch (50) defines at least one gas venting region out of the nozzle (14) that is impermeable to liquid water and permeable to gas.Figure for the abbreviation: figure 3.

This application relates to a COFs composite aerogel, its preparation method, and its application, belonging to the field of new energy power generation materials technology. The preparation method of the COFs composite aerogel of this application includes the following steps: S1, dissolving aminated carbon nanotubes (NH2-CNTs), 2,4,6-trihydroxybenzene-1,3,5-tricarboxaldehyde, and 4,4'-diaminobiphenyl-3,3'-disulfonic acid in a mixed solvent and carrying out a solvothermal reaction; after washing and drying, a TB-COF@CNTs composite material is obtained; S2, dispersing cellulose nanocrystals (CNC) and chitosan (CS) in deionized water, adding the TB-COF@CNTs composite material, stirring evenly, and then adding a crosslinking agent to obtain a mixed precursor solution; S3, injecting the mixed precursor solution into a mold, solidifying it through directional freezing, and then freeze-drying to obtain the COFs composite aerogel. This multi-level structural design of the present application achieves cross-scale synergistic optimization of nanoscale ion screening and macroscale fluid transport and electron collection, significantly enhancing the charge separation efficiency of the evaporation interface under photothermal drive.

The invention relates to a grinding tool (1) comprising an elongated tool body (2), an axial channel (5) and at least one fluid transport channel, the tool body comprising a first end (20) comprising a grinding head (3) with an abrasive coating (4), the axial channel extending through the tool body (2) from a second end (21) over a given length of the body, the fluid transport channel being arranged in cooperation with the axial channel (5) to allow fluid introduced into the axial channel (5) at the second end (21) to be ejected through the grinding head (3), the grinding head (3) having an outer end face (30) delimited by an outer peripheral face (31), the outer end face having at least one groove (6a to 6f) extending radially from the axial channel (5) to the outer peripheral face (31), said groove being closed along its length by the abrasive coating (4) to form said at least one fluid transport channel. The invention also relates to a method of manufacturing an electroplated type grinding tool.

This invention provides a water hammer prediction system and device. The invention relates to the field of pipeline fluid transport safety technology. The water hammer prediction system is configured to: acquire static topology and physical attribute information and multi-dimensional real-time operating condition data of the fluid transport system, and pre-calibrate a dynamic simulation model based on the information and data; when a water hammer triggering event is detected, invoke the pre-calibrated dynamic simulation model to perform an initial prediction to generate an initial prediction result, and issue a pre-control command to the first-level protection device based on the initial prediction result; acquire the measured impact index at the first-level protection device and compare it with the initial prediction result to determine the prediction error; and, based on the prediction error, correct the dynamic simulation model in real time, and drive the corrected dynamic simulation model to perform cascade control of the next-level protection device.

The present invention relates to a filter element comprising an element material 10, wherein the element material 10 forms an interior 26 and extends between two ends 12, 14, and one of the two ends 12, 14 has a spherical bearing 24 and a fluid transport connection portion 18 that is connected in the direction of the interior 26. The other end 14 has at least one control surface 20, wherein the at least one control surface 20, in each case when non-operating, holds the element material 10 in an installed position relative to the fluid transport connection portion 18, and in each case when operating, the at least one control surface 20, by the spherical bearing 24, moves the element material 10 relative to the fluid transport connection portion 18 to a functional position that does not collide with the filter element.

A device includes a first portion, a second portion moveably coupled to the first portion via a junction, and a cooling loop structure. The cooling loop structure includes a fluid transport structure and a fluid driving structure coupled to the fluid transport structure. The fluid driving structure is configured to move a fluid through the fluid transport structure. The fluid transport structure extends into the first portion, into the second portion, and across the junction to enable heat distribution between the first portion and the second portion.

This utility model relates to the field of oil and gas well operation technology, specifically to a heating device for downhole coiled tubing in oil and gas wells. It includes a heating element, with a mounting base fitted at the top of the heating element. A rod is inserted into the mounting base, and the rod is inserted into the interior of the heating element. A slot is formed on one side of the mounting base, and a locking block is engaged within the slot. The locking block is slidably connected to the other side of the mounting base. An installation groove is formed on the other side of the mounting base, and a mounting piece is fixedly connected to the end of the locking block away from the slot. By connecting the heating element to the mounting base and then engaging the rod with the locking block, the two mounting bases can be conveniently connected. This not only allows a single heating element to be stably installed outside the tubing but also allows two heating elements to be stably connected, resulting in better fluid transport performance in the tubing.

This invention relates to the field of semiconductor heat dissipation control technology, specifically a silicon carbide multilevel converter control method and system based on embedded microchannel heat dissipation. The method includes: calculating the thermal wake coupling potential index of each SiC power transistor under the current power level based on an embedded flow path thermal wake coupling risk assessment strategy; dynamically evaluating the local thermal boundaries of all power modules in the multilevel system based on the thermal wake coupling potential index to obtain a first set of thermally hazardous module modes; obtaining real-time fluctuation tracking data involving fluid transport characteristics to construct an electro-current coupling analysis model; outputting the heat dissipation uniformity of each power module based on this model; outputting the deviation ratio of module thermal aging; and performing carrier phase shift compensation control on the carrier scheduling sequence of the multilevel converter based on the deviation ratio. This invention solves the problem in the prior art of being unable to perceive the physical delay of the thermal pulse generated by the upstream switching transistor propagating in the microchannel.

This invention discloses a multi-field loading seepage system and its control method. The multi-field loading seepage system includes a microfluidic control pump; an in-situ seepage CT scanning core holder, with the inlet of the seepage unit connected to the outlet of the microfluidic control pump, which provides the seepage fluid transport power for the seepage experiment of the core sample in the in-situ seepage CT scanning core holder; a triaxial loading pressure control pump, which is connected to both the confining pressure loading unit and the axial pressure loading joint; and a controller, which is electrically connected to the microfluidic control pump, the in-situ seepage CT scanning core holder, and the triaxial loading pressure control pump. Therefore, this multi-field loading seepage system can achieve high-precision seepage control, high-pressure triaxial loading, and in-situ CT scanning monitoring in multiple scenarios, improving the accuracy, comprehensiveness, and reliability of experimental data and meeting the needs of in-depth research in related fields.