64 results about "Micro bubble" patented technology

The invention relates to the technical field of metal die-casting forming, and discloses a vacuum die-casting method for a high-reliability aluminum alloy motor end cover, which comprises the following steps: carrying out acoustic levitation purification treatment on an aluminum alloy melt; detecting the acoustic purity of the purified melt on line by adopting an acoustic characteristic sensing device; feeding the melt into a mold cavity for vacuum die-casting filling; and according to the detection result of the acoustic purity, an electromagnetic coil preset at the hot spot area of the mold is controlled in a feedforward mode, and magnetic field induction partition solidification of the hot spot area is achieved. According to the method, through the synergistic effect of melt purification and solidification control, micro bubbles and inclusions in the melt are removed through acoustic levitation purification firstly, then accurate magnetic field induction partition solidification is conducted on a hot spot area through feedforward control based on melt quality real-time data, formation of microscopic and macroscopic defects is effectively inhibited, and the quality of the melt is improved. The manufactured motor end cover is high in internal density and good in mechanical property and air tightness, and the product reliability is remarkably improved.

The invention belongs to the technical field of packer detection, and relates to a method for detecting the airtight sealing performance of a packer, and a device for detecting the airtight sealing performance of the packer comprises a pipeline unit, a bubble measuring unit, a leakage rate measuring unit, an air pressure detecting unit, a to-be-detected unit and a controller. Performing double-signal cross validation according to the obtained visual data and infrared data to obtain a bubble recognition result, and if the bubble recognition result meets a grade judgment condition, judging that the to-be-detected piece is at a V0 grade; and if the bubble identification result does not meet the grade judgment condition, executing a leakage rate measurement step. In the first aspect, during bubble detection, through double-signal cooperative cross validation of visual form verification and infrared signal positioning and targeted recognition of tiny bubbles through an enhanced linkage mode, the accuracy of effective bubble recognition is improved. On the second aspect, the volume of the measuring cylinder is coarsely adjusted and finely adjusted through cooperation of the macroscopic adjusting and controlling assembly and the microcosmic adjusting and controlling assembly, and the accuracy of calculating the gas leakage rate is improved.

A device, system and process involve conducting electroporation of microvesicles or exosomes or other target structures in a microfluidic arrangement at pressures that exceed atmospheric pressure. Single as well as multiple flow configurations can be employed. In some cases, the system and its operation are computer-controlled for partial or complete automation.

The radome bonding tool comprises a chassis base internally provided with a containing cavity, a telescopic arm extending in the vertical direction is slidably connected to the position, on one side of the containing cavity, of the chassis base, a pressing roller assembly is rotationally assembled at the top end of the telescopic arm, and one end of the pressing roller assembly extends in the horizontal direction; the compression roller assembly is arranged on the antenna main body and is rotationally connected with the gear roller assembly through an elastic connecting piece, the compression roller assembly is configured to compress a glue film on the antenna main body, the gear roller assembly is configured to imprint the compressed glue film to form corrugated lines, the compression roller assembly is hollow, and a plurality of steel balls are arranged in the compression roller assembly. And the plurality of steel balls are configured to jump up and down along with the rotation of the compression roller assembly so as to assist the adhesive film in discharging bubbles generated during surface mounting while compacting the adhesive film. The arc-shaped protrusions are arranged in the compression roller assembly, the rotary motion of the compression roller is converted into micro-vibration generated by irregular collision of the steel balls, and therefore the surface tension of bubbles is damaged through vibration, and the micro-bubbles are actively discharged.

The present invention provides an AutoCell Platform (ACP), an advanced, fully automated, functionally closed system designed to revolutionize the manufacturing of genetically modified cell therapies. This innovative platform integrates automation, closed-loop processing, and novel technologies to address the inefficiencies and high costs of traditional methods. Key features include automated centrifugal seeding for enhanced genetic modification efficiency, microbubble-assisted cell selection for precise cell isolation, and a modular design for scalable amplification across clinical and research environments. By reducing production timelines from 30-40 days to less than 3 days and orders of magnitude in cost, the ACP enables instant manufacturing, decentralization, and broader accessibility. Advanced quality control measures and standardized design ensure compliance and consistent therapeutic outcomes. The ACP supports a variety of applications from CAR-T therapies to regenerative medicine, representing a transformative leap in global accessibility of precision medicine and life-saving cell therapies.

The invention discloses a construction and analysis method and a simulation system of a dynamic model of bubbles in a liquid cavity in a viscoelastic tissue, and a numerical simulation system for performing a cavitation effect in high-intensity focused ultrasound therapy based on the model, and the method comprises the following steps: firstly, establishing a modified microbubble dynamic model based on a Keller-Miksis equation; microbubbles are placed in a liquid cavity wrapped by viscoelastic tissue, the constraint relation of the radius of the liquid cavity to the radius of the bubbles is introduced, and the viscoelastic stress-strain relation of the tissue is described by adopting a Voigt model, so that a cavitation kinetic model closer to the actual biological tissue is constructed. Secondly, the sound pressure waveform of the focus area is obtained through HIFU sound field simulation; and finally, taking the simulated sound pressure as a drive input kinetic model, and solving to obtain a microbubble oscillation behavior, tissue internal stress distribution and maximum compression stress. The system comprises a model building module, a sound field simulation module and a dynamics simulation module. According to the method, the cavitation dynamic process in the tissue under the action of the HIFU can be more accurately simulated, and an effective numerical analysis tool is provided for analyzing the tissue damage related to cavitation.

The invention provides a gas-liquid separation device based on stepped bubble breaking. The gas-liquid separation device comprises an outer cavity and a rotating mechanism, the outer cavity comprises an inlet cavity and a liquid bearing cavity; a separation cavity, a bubble breaking element and a transmission shaft are sequentially and coaxially arranged in the liquid bearing cavity from top to bottom, the transmission shaft is fixed below the bubble breaking element and is in transmission connection with the rotating mechanism, and the rotating mechanism drives the bubble breaking element and the separation cavity to rotate synchronously; the top end of the exhaust pipe extends out of the upper end surface of the inlet cavity and exhausts air outwards. According to the invention, a variable super-gravity field is provided, a centrifugal field is dynamically enhanced, bubble breaking and separation processes are coupled, strong breaking of large bubbles and micro bubbles is realized through shear flow-turbulent flow driving, deep separation of membrane liquid drops is enhanced by using a gas-liquid density difference effect, and a high-precision bubble breaking effect is realized.

1. The name of the design product: negative pressure micro-bubble cleaning machine. 2. The use of the design product: cleaning machine for pipeline. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The present disclosure provides a method for producing an electrolyte solution which can contain a high concentration of micro bubbles, and a method for producing a micro bubble-containing solvent which can be used for preparing the electrolyte solution, by suppressing decrease in micro bubbles during filtration.

The utility model relates to an auxiliary device for foaming experiment operation, a microbubble generator, an injector, an injection needle, a microbubble generating assembly and an auxiliary device for foaming experiment operation, the front part of the injector is hermetically connected with the near end of a mounting shell, and the output end of the injector is connected with a fluid inlet of the microbubble generating assembly; through the arrangement of the fixing frame and the power device, the situation that the contrast agent pushing and injecting speed of an operator is low or the pushing and injecting times are different is greatly reduced, the more effective detection effect is achieved, and meanwhile through the unique microbubble mixer, the situation that the operator conducts detection through a manual oscillation method is avoided; and the microbubble generating assembly is arranged in the microbubble generator, so that the mixing amount of gas in unit liquid can be increased, the volume of the mixed gas is smaller, the quantity of the mixed gas is larger, and a surfactant is dissolved in the liquid, so that a large amount of mixed microbubbles are more stable, and an ideal diagnosis effect can be achieved by utilizing the contrast agent to contrast.

This invention provides a technology that enables the generation of a larger number of microbubbles in a microbubble generating device. [Solution] The microbubble generating device comprises an inlet, an outlet, a first microbubble generation unit provided between the inlet and outlet, and a second microbubble generation unit provided between the first microbubble generation unit and the outlet. The first microbubble generation unit includes a venturi section having a narrowing channel whose diameter decreases as it moves from upstream to downstream, and an expanding channel whose diameter increases as it moves from upstream to downstream. The second microbubble generation unit includes a plurality of swirling flow generation units arranged in line along the downstream central axis direction of the second microbubble generation unit. Each of the plurality of swirling flow generation units includes a shaft portion extending in the downstream central axis direction, an outer periphery surrounding the shaft portion, and a plurality of blade portions provided between the shaft portion and the outer periphery, which generate a swirling flow that flows in a predetermined swirling direction relative to the shaft portion.

The invention discloses excellent chemical copper deposition equipment which comprises a tank body, a reaction tank located in the tank body and used for copper deposition reaction and an automatic adding device for automatically adding chemicals, and jet flow mechanisms used for spraying the chemicals are arranged at the upper end and the lower end in the tank body. A mounting device used for swinging and clamping products is arranged between the jet flow mechanisms in the reaction tank, the output end of the automatic adding device is connected with an auxiliary tank, and the auxiliary tank is connected with the jet flow mechanisms by arranging a jet flow system; the device is simple in structure and reasonable in design, the micro-nano bubble technology is adopted, micro-nano bubbles are micro bubbles with the diameter ranging from hundreds of nanometers to ten micrometers, and the micro-nano bubbles have the advantages of being high in gas-liquid mass transfer efficiency and solubility, cannot be clamped in holes compared with the holes with the diameter larger than one hundred micrometers, and are not prone to falling off. Oxygen can be provided, the problem that bubbles are blocked cannot occur, and meanwhile the hole penetrating capacity problem of a high-aspect-ratio product is solved through an efficient jet flow system.

Provided is a water heater with which it is possible to suppress any sharp rise in the manufacturing cost of a configuration in which a microbubble generator is accommodated within a casing.　This water heater 1 comprises a casing 8, combustion devices 31, 32, heat exchangers 41A-42B, a water supply pipe P1, a hot-water supply pipe P2, a water supply connection member 10, a hot-water supply connection member 20, and a water quantity control unit 50. The water heater 1 furthermore comprises a microbubble generator 9 that is connected to one specific pipe P2 among the water supply pipe P1 and the hot-water supply pipe P2 within the casing 8, the microbubble generator 9 being formed in a substantially cylindrical shape for which the length in a center-axis X9 direction is greater than the exterior width and generating microbubbles in hot water flowing through the interior. The microbubble generator 9 has: an inflow opening 91H positioned on one side in the center-axis X9 direction, the inflow opening 91H being such that hot water flows in from the upstream side P2U of the specific pipe P2; and an outflow opening 92H positioned on the other side in the center-axis X9 direction, the outflow opening 92H causing hot water including microbubbles to flow out to the downstream side P2D of the specific pipe P2. The microbubble generator 9 is positioned lower than flame openings 31F, 32F of burners 31B, 32B.

This invention belongs to the field of optical sensing technology, specifically a microbubble-integrated Fabry-Perot resonant cavity sensor chip and its fabrication method. The optical sensor chip of this invention includes: two planar mirrors, a quartz microtube with a hollow microbubble in the middle, and two square quartz tubes; the two planar mirrors are placed parallel to each other vertically, and the two square quartz tubes are positioned on the left and right sides of the two planar mirrors to ensure that the two mirrors remain highly parallel; the hollow quartz microbubble is disposed between the two planar mirrors, and its two ends are bonded and fixed to the planar mirrors to form a microbubble-integrated Fabry-Perot resonant cavity sensor chip; the surface of the planar mirrors is coated with a metal thin film or dielectric thin film with a specific reflectivity. Based on the lens effect of microbubbles, this invention enables the sensor chip to possess the characteristics of high sensitivity, low mode volume, and high quality factor, while integrating natural microfluidic channels to achieve sensing of low-concentration chemical molecules or label-free biomolecules.

An air suction protection structure for a microbubble device includes a first throat pipe, a second throat pipe and an air suction pipe. The first throat pipe is provided with a conical opening from which a liquid flow enters the first throat pipe. The liquid flow increases its flow speed after passing through the conical opening. The second throat pipe is communicated with the first throat pipe and located downstream of the first throat pipe, a protection area is arranged on an inner wall of the second throat pipe, and the liquid flow does not contact with an inner wall surface of the second throat pipe within a range of the protection area when passing through the protection area. Meanwhile, the air suction pipe is communicated with the second throat pipe, the air suction pipe is provided with an air suction port connected to the protection area.

The invention relates to an outer barrel cover assembly and fabric treatment equipment in the technical field of fabric treatment equipment, and the outer barrel cover assembly comprises a shell, a liquid inlet flow channel is formed in the shell, and the liquid inlet flow channel is provided with an inlet end and an outlet end; and the multiple liquid collision foaming pieces are arranged from the inlet end to the outlet end of the liquid inlet flow channel, and the liquid collision foaming pieces protrude out of the bottom wall of the liquid inlet flow channel. The washing liquid and water flow in the liquid inlet flow channel, and the water flow is continuously shunted, guided and converged through the liquid collision foaming pieces, so that the motions such as collision and turbulent flow are generated, the washing liquid can be uniformly dispersed in the water, tiny bubbles are generated, local concentration of the washing liquid and action of the tiny bubbles on fabrics are avoided, and the fabric washing effect is improved.

The invention relates to the technical field of display screen packaging, in particular to a full-lamination packaging process and dispensing equipment for a COB integrated packaging LED display screen, and the full-lamination packaging process comprises the steps: placing a COB substrate after die bonding into a cavity, and obtaining three-dimensional topological data and environmental parameters of a chip array; executing multi-stage gradient air exhaust and applying dual-frequency ultrasonic pretreatment, activating surface energy and removing adsorbed gas; in a vacuum state, dispensing is carried out based on three-dimensional data, a colloid volume expansion rate and a bubble nucleation critical pressure difference threshold value are calculated in real time by utilizing a dynamic rheological pressure coupling model, dispensing pressure and speed are dynamically and reversely compensated, and it is ensured that colloid tensile stress is lower than a critical value; the in-situ optical detection unit is used for scanning and recognizing micron-sized bubbles or missing in real time, and the Z-axis height and the glue output amount of a subsequent dispensing path are fed back and corrected; and finally, a nonlinear variable-voltage oscillation program is executed to induce micro-bubble resonance fracture and solidification, so that the bubble defect in the packaging process is effectively eliminated, and the product yield is improved.

The invention belongs to the technical field of heating and ventilation pipelines, and particularly relates to a sanitary corrugated pipe fitting and valve for a heating and ventilation system of a building, which comprises a corrugated pipe fitting, an overflow channel is arranged in the corrugated pipe fitting, a suppression piece is arranged in the overflow channel, and the suppression piece is arranged on the inner sides of interfaces at the two ends of the corrugated pipe fitting; the valve is connected with the corrugated pipe fitting, a microbubble assembly is arranged in the valve and comprises a first bubbling plate, second bubbling plates and a driving rod, the second bubbling plates are arranged on the two sides of the first bubbling plate, driving fan blades are arranged at one end of the driving rod, and the other end of the driving rod is fixed to the first bubbling plate and is in driving connection with the second bubbling plates; wherein a plurality of bubble sheets are arranged on the wall surfaces of the first bubbling plate and the second bubbling plate, and the bubble sheets on the first bubbling plate and the second bubbling plate are oppositely arranged in a staggered manner.

The present invention relates to a far-to-mid-infrared absorptive optical coating, including: an optically opaque conductive substrate; a primer layer applied to a surface of the optically opaque conductive substrate; a conductively loaded dielectric media which coats the optically opaque conductive substrate on the primer layer; and a monolayer of a randomly deposited microspheres or microbubbles, each of the microspheres or microbubbles having an outer surface; and a monolayer of a metal film deposited on the outer surface of each of the microspheres or microbubbles by an atomic layer deposition (ALD) process to form a coated absorptive surface on the microspheres or microbubbles; wherein the monolayer of coated microspheres or microbubbles is applied to the conductively loaded dielectric media and cured to result in the far-to-mid infrared absorptive optical coating which provides wavelength-scale absorptive-scatters and in-band impedance matching at a surface of the monolayer of the coated microspheres or microbubbles.

The present disclosure provides a continuous microbubble generating device and system and a method for production of microbubbles. The device can include an inlet port configured to receive a fluid and a gas for the generation of microbubbles. The device can include a manifold comprising a vessel configured to increase the fluid-gas interface in a directed fluid pathway to deliver the fluid and the gas. The device can include an oscillator which is configured to oscillate the vessel for agitating the fluid in order to allow for interaction between the fluid and the gas. The device can further include an outlet port and cooler configured to output the generated microbubbles.

The invention provides a spraying method, device and equipment based on ultramicro bubbles, a medium and a product, relates to the technical field of agricultural spraying, and aims to overcome the defect of serious side effects caused by a liquid medicine spraying mode in the prior art and achieve the effects that the pesticide effect of liquid medicine is not reduced and the environment is not polluted when the liquid medicine is sprayed. Comprising the steps that the generation speed of ultramicro bubbles is controlled based on preset concentration, and the particle size of the ultramicro bubbles is smaller than preset particle size; injecting the ultramicro bubbles into a liquid medicine to be sprayed to obtain a gas-liquid mixed liquid medicine; and spraying the gas-liquid mixed liquid medicine on leaf surfaces of plants.

The application belongs to the technical field of optical fiber application, and particularly relates to a PDMS modified optical fiber end face microsphere Fabry-Perot temperature sensor manufacturing method. 1. An optical fiber fusion splicer is used to heat and fuse the end faces of two sections of optical fiber into spherical end faces. 2. The spherical end faces of the optical fiber are dipped in glycerol, and then the fiber cores are aligned. 3. The spherical end faces of the two sections of optical fiber are fused together, and a micro bubble is formed at the fused end face. 4. Discharge is continuously performed, and an axial tension is continuously applied, so that a conical bubble is formed at the discharge center, and the axial tension is continuously applied until the single-mode optical fiber is broken at the fused end face. 5. Discharge is continuously performed, so that the volume of the micro bubble ball at the end face of the discharge center gradually increases, until the radial diameter of the micro bubble ball is greater than the diameter of the single-mode optical fiber cladding. 6. A point-by-point dipping method is used for several times to coat a PDMS thin film layer on the surface of the micro bubble ball of the optical fiber. The prepared sensor realizes the significant improvement of the sensitivity of temperature measurement under the same structural strength.

The present invention provides a technique capable of stabilizing the generation efficiency of microbubbles even when the flow rate of a liquid fluctuates. The invention provides a microbubble generator, a processing liquid supply apparatus having the microbubble generator, and a substrate processing apparatus. The microbubble generator (1) includes: a first tube portion (21); a second pipe section (23) positioned downstream of the first pipe section (21); a narrow pipe section (24) located between the first pipe section (21) and the second pipe section (23) and having a portion in which the flow path cross-sectional area decreases downstream; and a variable mechanism (27) that changes the flow path cross-sectional area of the narrow pipe section (24) in accordance with the flow rate of the first pipe section (21).

The invention provides an ecological purification system based on nano-filtration multi-membrane and nano-microbubble coordinated regulation, which comprises an inferior water desalination unit and a water body micro-nano oxygenation unit, wherein the inferior water desalination unit adopts a stepped first-stage purification tank and a stepped second-stage purification tank, and filtration of a nano-filtration multi-membrane assembly is enhanced through a negative pressure environment and a gravity water head difference; the water body micro-nano oxygenation unit generates micro-nano bubbles through aeration of a Venturi tube, shearing of a multi-stage vane pump and secondary oxygen breaking of a vortex making tube, so that the oxygen mass transfer efficiency is improved; the intelligent control system takes an STM32 single-chip microcomputer as a core and is combined with a solar power supply module, a sensor monitoring module and an execution module to realize automatic cooperative operation. According to the system, the unit energy consumption of purified water is reduced, the oxygen mass transfer efficiency is improved, the nitrogen and phosphorus absorption rate is improved, beneficial minerals are selectively reserved, the treated water quality meets the farmland irrigation standard, the agricultural fresh water resource contradiction can be relieved, and soil secondary salinization and river and lake eutrophication can be prevented and controlled.

The utility model discloses a novel straw sleeve which comprises a straw sleeve body and a straw cap. The straw sleeve is connected with the straw cap, liquid nitrogen is arranged in an inner cavity of the straw sleeve, a sample can be stored, and the straw sleeve and the straw cap can preserve heat of the sample. The utility model has the beneficial effects that both the pipe cap and the pipe body are made of low-temperature-resistant PPO special plastics and are subjected to micro-foaming injection molding, and a large number of closed micro-bubble structures are formed in the pipe cap and the pipe body, so that a structure similar to a'heat insulation cabin 'is formed. When heat passes through the microbubble structure, a conduction path is continuously broken by bubbles, so that the cold insulation effect is better, and a biological sample can be safely and effectively protected. A balance weight can be configured outside the straw body, so that the straw sleeve is kept stable and cannot float when being soaked in a liquid liquid nitrogen environment, and the balance weight can be selected not to be configured when the straw sleeve is used in a gaseous liquid nitrogen storage environment. A liquid inlet is formed in the side wall of the tube body, liquid nitrogen can enter the straw sleeve through the liquid inlet, and the problem that the activity of a sample is affected by temperature difference in the moving process and consequently damage is caused is solved.

The present application relates to a kind of diffusion plate type slit gas permeable brick and its preparation method and application.The diffusion plate type slit gas permeable brick includes corundum castable, diffusion slit gas permeable block, air chamber and air passage;Corundum castable wraps diffusion slit gas permeable block, air chamber is arranged at the bottom of corundum castable and diffusion slit gas permeable block, and air passage is communicated with diffusion slit gas permeable block through air chamber;The diffusion slit gas permeable block is made of several diffusion gas permeable plates and several slits;The slit is formed after PET film is heat treated at 500-600 DEG C.The present application combines the advantages of slit type and diffusion type, can produce the micro bubble of diffusion gas permeable brick, keep stable gas permeability, can also produce larger gas permeation through the slit between diffusion plate to accelerate smelting pace, improve production efficiency, simultaneously realize exempt from cleaning, reduce the loss caused by cleaning of slit gas permeable brick, and the single use life exceeds slit type gas permeable brick.

The utility model discloses an airlift bioreactor for amplification culture of taxus cuspidata stem cells. The airlift bioreactor comprises a tank body, a rotatable spiral guide cylinder and a microbubble generator, the microbubble generator is arranged in the middle of the bottom of the tank body, and the rotatable spiral guide cylinder is arranged in the tank body and fixed above the microbubble generator. According to the utility model, the micro-bubble generator is arranged at the air vent at the bottom of the bioreactor tank body, the rotatable spiral baffle is designed in the guide cylinder, and the spiral baffle in the guide cylinder is driven to rotate by utilizing kinetic energy generated by uniform rising of micro-bubbles through a micro-bubble group generated by the micro-bubble generator, so that fluid forms vortex flow in a spiral channel; and meanwhile, the collision probability of the microbubbles is reduced under the action of centrifugal force. Through a non-mechanically driven dynamic mixing mode, the oxygen transfer and mass transfer bottleneck in a high-viscosity culture system is effectively solved, and efficient reaction equipment is provided for large-scale culture of plant cells.

The invention belongs to the technical field of data processing, and discloses a hydrogen microbubble release control device and method.The device comprises a control module used for obtaining water quality conductivity data and extracting electrolysis environment indexes to obtain hydrogen generation parameters; the acupoint distribution data and the hydrogen generation parameters are analyzed, and an optimized release sequence is obtained and sent to the microbubble generation module; updating the microbubble release path to obtain hydrogen supply data; analyzing the leakage risk data and the environment variable to obtain a potential leakage position coordinate; the leakage position coordinate deviation value is compared with a safety threshold value, and if the leakage position coordinate deviation value is larger than the safety threshold value, an activation signal is sent to an isolation module; the microbubble generation module is used for processing the index data and the plantar acupoint coordinates to obtain a microbubble release path of a preset acupoint; and the isolation module is used for receiving the activation signal and isolating the microbubble generation module to complete hydrogen microbubble release control. The hydrogen electrolysis microbubble release process and the hydrogen electrolysis microbubble release path can be optimized.

The utility model belongs to valve technical field especially relates to a microbubble exhaust valve, the both ends of valve body are connected with the pipe connection, are used for connecting with fluid system, realize the input and output of fluid, the top fixed connection of valve body has the valve cover, the bottom of valve cover is connected with steel brush, the inner wall of valve cover bottom forms the streamlined exhaust passage through the arc block of several circumferences setting, setting streamlined exhaust passage helps air to go up along with the passage vortex, is more favorable to exhaust, the inside of valve cover is provided with exhaust component, when the water flow enters microbubble exhaust valve, water flow passes through steel brush, promotes the bubble release and focuses, the bubble enters streamlined exhaust passage, and rises under the action of vortex, finally discharges through exhaust component.