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111results about How to "Reduced flow area" patented technology
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Jet aerator with low energy consumption and high oxygenation efficiency
ActiveCN119191546Aincreased turbulencewell mixedWater treatment parameter controlSpecific water treatment objectivesWater flowLaryngeal tube
The invention discloses a jet aerator with low energy consumption and high oxygenation efficiency. The jet aerator comprises a Venturi tube and a quick-pass rhombic tube which are of a split structure, multi-rod supports are installed on the inner wall faces of round pipes at the two ends of the venturi pipe and support tail hook bionic stirring blades, a double-end reverse screw is arranged in the venturi pipe, one end of a quick-pass rhombic pipe is connected with the venturi pipe, the other end of the quick-pass rhombic pipe extends into an air suction chamber, and the upper portion of the air suction chamber is connected with an air supply pipe. The end, away from the Venturi tube, of the air suction chamber is connected with a mixing cavity tube, the mixing cavity tube is connected with the front end of a throat tube, a divergent wing-like blade set and a special-shaped taper hole plate are arranged in the mixing cavity tube, and a grid tray scattering nozzle is arranged in the throat tube; compared with a circular pipeline, the quick-passing rhombic pipe can provide higher water conveying capacity; the gradual change spiral body design on the double-end reverse screw can generate vortexes and turbulent flows, the turbulent flow intensity of water flow is improved, the mixing and diffusion capacity of the water flow is improved, and therefore the oxygenation efficiency is improved.
Owner:SHAANXI UNIV OF SCI & TECH
Oil baffle structure, rotor assembly, motor and compressor
ActiveCN119616822AReduce oil discharge ratereduce refluxMagnetic circuit rotating partsPositive displacement pump componentsElectric machineMechanical engineering
The invention provides an oil baffle structure, a rotor assembly, a motor and a compressor, the oil baffle structure is used for cooperating with a rotor core for use, and the rotor core is provided with a circulation hole which partially generates backflow when operating at a first rotating speed; the oil blocking structure comprises a movable blocking piece, and the movable blocking piece is used for being connected with the rotor iron core so as to be driven by the rotor iron core to rotate together and move to a first position relative to the rotor iron core when the rotor iron core operates at a first rotating speed. At the first position, the movable blocking piece blocks at least part of the circulation holes where backflow occurs. According to the technical scheme of the invention, as the movable blocking piece can block the circulation hole where backflow occurs when the rotor iron core operates at the first rotating speed such as high speed, the circulation area of the backflow circulation hole can be reduced, backflow is reduced, and the oil spitting rate of the compressor is reduced.
Owner:ZHUHAI LANDA COMPRESSOR +1
High-density liquid cooling server and server cabinet system
ActiveCN119212345AImprove utilization efficiencyefficient transferCooling/ventilation/heating modificationsHigh densityCoolant flow
The invention discloses a high-density liquid cooling server and a server cabinet system, and relates to the technical field of liquid cooling servers, the server cabinet system comprises an equipment cabinet, an assembly plate is mounted in the equipment cabinet, a circulating pump is mounted above the assembly plate, two sides of the circulating pump symmetrically communicate with liquid cooling pipelines, the front side of the circulating pump communicates with a liquid storage tank, and the front side of the liquid storage tank communicates with a liquid storage tank. A strain constant-temperature mechanism is arranged on the front side of the assembly plate and used for flexibly conducting heat dissipation treatment on the assembly plate, and the cold liquid regulation and control mechanism is used for enabling cooling liquid to generate a spiral flowing track in the flowing process. Targeted heat dissipation management of a high-temperature area is achieved, when it is detected that the temperature of a specific area is abnormally increased, the circulation paths of cooling liquid in the upper area and the lower area can be synchronously adjusted in time according to the change of temperature increase, and the circulation area of a channel is reduced by dynamically adjusting and distributing the flow of the cooling liquid and combining temperature flexibility.
Owner:BWTON TECH CO LTD
Organic extraction device for preparing organic framework material
InactiveCN119524469AGood dispersionreduce distanceRotary stirring mixersTransportation and packagingControl engineeringProcess engineering
The invention discloses an organic extraction device for preparing an organic framework material, and relates to the technical field of extraction devices. Comprising an extraction tank, the extraction tank is provided with an upper feeding port, a lower feeding port, an upper discharging port and a lower discharging port, and fixing rings distributed in a linear array mode are installed in the extraction tank; the fixed shell is rotationally connected to the extraction tank; the plurality of first telescopic shells and the plurality of second telescopic shells are embedded in the fixed shell; the first turntable is in limited sliding connection with the fixed shell; and the second turntable is connected to the fixed shell in a limiting and sliding manner. By detecting the concentration of an organic component in a stock solution, when the concentration of the organic component is increased, the distance between the first turntable and the second turntable and the fixed ring is reduced, so that the flow area of liquid in the extraction tank is reduced, a higher shearing force is generated when the solution flows, the dispersion degree of liquid drops of the solution is increased, and the extraction efficiency is improved. The mixing speed of the stock solution and the extractant is accelerated, and the mass transfer efficiency is improved.
Owner:SHANDONG PETROCHEMICAL INST
Spleen artery blood flow limiting support and using method
The invention discloses a spleen artery blood flow limiting stent and a using method, and particularly relates to the technical field of medical instruments.The spleen artery blood flow limiting stent comprises a supporting stent and a flow limiting stent, the supporting stent is arranged outside the flow limiting stent in a sleeving mode, the two ends of the flow limiting stent are fixedly connected with the inner side wall of the supporting stent, and the flow limiting stent is a covered stent; the flow limiting support comprises a contraction section and an expansion section, the contraction section and the expansion section are fixedly connected and communicated, and splenic artery blood flow in the supporting support flows in from the contraction section and flows out from the expansion section. According to the invention, spleen blood perfusion after partial spleen artery embolism operation can be reduced, and recurrence of splenic hyperfunction is reduced.
Owner:THE FIRST AFFILIATED HOSPITAL HENGYANG MEDICAL SCHOOL UNIV OF SOUTH CHINA
Battery and battery pack
PendingCN119481444Aguaranteed performanceIncrease cooling areaSmall-sized cells cases/jacketsSecondary cells manufactureElectrical batteryNew energy
The invention relates to the technical field of new energy batteries, and discloses a battery and a battery pack. The battery is good in heat dissipation performance, heat accumulation can be reduced, and thermal runaway caused by poor heat dissipation of the battery is improved. In the battery, a battery cell comprises a first tab and a second tab which are opposite in polarity, and the first tab and the second tab are arranged on the same side of the battery cell; the current collecting assembly comprises a first current collecting piece, a second current collecting piece and at least one first through hole, the first through hole is formed in the first current collecting piece, the first current collecting piece is provided with a first tab connecting area and a first pole connecting area, the first tab connecting area at least partially surrounds the first pole connecting area, and the first through hole is formed in the first tab connecting area; the distance from the first through hole closest to the first pole connecting area in the radial direction of the first current collector to the center of the first pole connecting area is L1, the distance from the radial outer edge of the first current collector to the center of the first pole connecting area is L2, and the ratio of the distance L1 to the distance L2 ranges from 0.15 to 0.95.
Owner:CALB GROUP CO LTD
Soaking device and process for improving staining fastness of wool fabric
PendingCN119194770Ashorten the timeImprove efficiencyLiquid/gas/vapor treatment of definite length materialsTextile treatment carriersTextile printerYarn
The invention discloses a soaking device and process for improving staining fastness of wool fabric, and relates to the technical field of textile printing and dyeing. Comprising a soaking barrel, a top cover is installed on the upper side of the soaking barrel, a circulating pump is installed on the lower portion in the soaking barrel, the circulating pump is fixedly connected with and communicated with communicating pipes which are distributed annularly, the soaking barrel is provided with a yarn carrying disc, communicating holes which are distributed annularly and liquid pumping holes which are distributed annularly are formed in the yarn carrying disc, and the liquid pumping holes are communicated with the communicating pipes. The yarn carrying disc is provided with a traction shaft, the yarn carrying disc is fixedly connected with a beam column distributed annularly, a plurality of sets of inner punched holes distributed at equal intervals are formed in the beam column, and elastic folding pieces are fixedly connected to the positions, close to the lower portions of the adjacent inner punched holes, of the beam column through elastic pieces. The adjacent cheeses are separated through the elastic folding pieces, so that gaps exist between the adjacent cheeses, the distance of soaking a color fixing agent into the yarns is shortened, the time required by color fixing work is saved, and the efficiency of the color fixing work is improved.
Owner:JIANGSU DANMAO TEXTILE
Intelligent endoscope storage cabinet
The utility model provides an intelligent endoscope storage cabinet, and relates to the technical field of endoscope storage equipment, a cavity of a cabinet body is separated by a placing plate, spaces for placing endoscopes are formed by the placing plate and the side wall of the cavity, and cabinet doors are arranged on two opposite sides of each space, so that when people take or place the endoscopes, the cabinet doors can be used for storing the endoscopes. Only the cabinet door in one space needs to be opened, and only the space of the cabinet door part is used for ventilation, so that the ventilation area is greatly reduced. The first side, provided with the cabinet door, of the cabinet body is used for taking out the endoscope, the second side, provided with the cabinet door, of the cabinet body is used for placing the endoscope, then the endoscope taking environment and the endoscope placing environment are separated, the endoscope taking side is used for a patient after taking out the endoscope, the environment of the endoscope taking side is relatively clean, and the endoscope placing side is an endoscope used by the patient. Although the medical staff performs cleaning or disinfection treatment, the endoscope taking environment and the endoscope placing environment are separated relative to the endoscope with some bacteria or viruses, so that the clean environment and the dirty environment are separated, and the influence of the environment on the endoscope is reduced.
Owner:SHANDONG JIEMEI MEDICAL TECH CO LTD
Self-cleaning filter
ActiveCN222173310Uavoid cloggingevenly dispersedStationary filtering element filtersParticulatesProcess engineering
The embodiment of the utility model provides a self-cleaning filter which comprises a body, a filtering mechanism used for filtering water is installed on the inner side of the body, the filtering mechanism comprises a filtering assembly, and the utility model relates to the technical field of self-cleaning filters. Compared with a comparison file, water and impurities in the filter are continuously stirred in the process that the stirring rod rotates while walking, so that the water and the impurities are fully mixed and flow, the impurities can be uniformly dispersed in the filter, the impurities are prevented from being excessively accumulated in a certain area, the cleaning effect and the filtering efficiency are improved, and the service life of the filter is prolonged. In addition, the stirring plate on the stirring rod rotates to stir impurities and particulate matters in the filter, so that the impurities and particulate matters are prevented from blocking a filter screen or a pore channel on the filter cartridge, the smoothness of the filter cartridge is favorably kept, and the service life of the filter cartridge is prolonged.
Owner:SHANDONG DONGXINLI ENVIRONMENTAL PROTECTION EQUIPMENT CO LTD
Air-supplementing and enthalpy-increasing compressor and air conditioner
ActiveCN119267238AIncrease the amount of gasReduced flow areaRotary piston pumpsRotary piston liquid enginesMechanical engineeringPhysics
The air-supply enthalpy-increasing compressor comprises an air cylinder, a partition plate or a flange and a valve body, the partition plate or the flange is connected with the end face of one axial side of the air cylinder, and an air-supply enthalpy-increasing channel is formed in the air cylinder; an injection channel is formed in the end face of the axial side, connected with the partition plate or the flange, of the air cylinder in a sunken mode, the radial inner side of the injection channel is communicated with an inner cavity of the air cylinder, a valve groove is further formed in the connecting position of the injection channel, and at least part of the structure of the valve body is arranged in the valve groove. The side, away from the injection channel, of the valve groove further communicates with a pressure introduction channel, one end of the pressure introduction channel communicates with the valve groove, the other end of the pressure introduction channel can communicate with an inner cavity of the air cylinder, and the valve body can move in the valve groove and the injection channel so as to open or close the injection channel. According to the invention, the problem of poor enthalpy increasing effect caused by unreasonable enthalpy increasing time can be solved; and the air supply amount can be effectively increased, and the air supply requirement is met.
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
A gas and air mixing device and method incorporating an ejector
The application discloses a kind of gas and air mixing device and mixing method combined with injection, gas flow passage is provided in the mixing device, including gas nozzle and injection structure in sequence according to the direction of gas flow passage, the injection structure is used to carry out partial premixing with gas and be injected air, including in sequence communication suction chamber, mixing section, diffuser section, outlet section, the gas nozzle is communicated with suction chamber, outlet section is provided with swirl device for generating swirl.The application utilizes the momentum of gas jet to inject atmospheric air, carries out partial premixing in advance in injection structure, realizes the sufficient premixing of gas and be injected air before being ejected, mixing distance is short, has the effect of helping to reduce nitrogen oxides emissions generated in industrial combustion process, conforms to the development trend of environmental protection.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Anti-flashback nozzles and gas turbines
The present invention discloses an anti-flashback nozzle and a gas turbine, wherein the anti-flashback nozzle comprises a nozzle body and an adjusting member, wherein the nozzle body has a fuel channel and a plurality of fuel spray holes, the fuel spray holes are connected to the fuel channel, and the adjusting member is arranged in the fuel spray holes to adjust the flow area of the fuel spray holes, and the gas turbine comprises an anti-flashback nozzle. When flashback occurs, the adjusting member expands and deforms, and the adjusting member reduces the flow area of the fuel spray holes, thereby reducing the fuel flow rate to prevent the flashback from further deteriorating, thereby playing a role in flashback protection. When the flashback is eliminated, the adjusting member shrinks and deforms to a normal shape, and the flow area of the fuel spray holes returns to a normal size, and the fuel flow rate is adjusted back. Thus, the complex flashback protection method of sensor feedback control is effectively replaced, and the difficulties caused by arranging sensors in the narrow space of the combustion chamber nozzle and the problem of flashback protection reliability caused by the sensors are avoided.
Owner:STATE POWER INVESTMENT GRP BEIJING RENEWABLE ENERGY TECH DEV CO LTD +2
Diffuser thermal protection design method
The invention relates to the technical field of rocket engine high-altitude simulation tests, and discloses a diffuser thermal protection design method, which comprises the following steps: determining a gas supersonic flow and gas subsonic flow switching position in a diffuser; the interior of the diffuser is divided into a fuel gas supersonic speed section, a fuel gas subsonic speed straight barrel section and a fuel gas subsonic speed expansion section; a cooling liquid jacket is arranged around the diffuser; the cooling liquid jackets corresponding to the fuel gas supersonic velocity section, the fuel gas subsonic velocity straight barrel section and the fuel gas subsonic velocity expansion section are respectively an A-section cooling liquid jacket, a B-section cooling liquid jacket and a C-section cooling liquid jacket; the diameter of the outer wall of the A-section cooling liquid jacket is larger than that of the outer wall of the B-section cooling liquid jacket. The cooling liquid jackets with different thicknesses surround the fuel gas supersonic speed section and the fuel gas subsonic speed straight barrel section respectively, so that the flowing speed and the heat exchange coefficient of the cooling liquid are increased, heat is transmitted out more quickly, the temperature of the fuel gas subsonic speed straight barrel section is prevented from rising quickly, and then the diffuser obtains more reliable thermal protection.
Owner:BEIJING INST OF AEROSPACE TESTING TECH
Device beneficial to improving dust removal rate in waste heat boiler
ActiveCN224121273UReduced flow areareduce carry outLighting and heating apparatusThermodynamicsFlue gas
The device comprises an ash hopper shell, a flue is arranged on the outer side of the ash hopper shell, a plurality of hanging lug plates are symmetrically arranged on the inner walls of the two sides of the ash hopper shell, and a flow guide plate is arranged between every two corresponding hanging lug plates. According to the invention, the ash bucket structure in which the plurality of hanging lug plates and the guide plates are matched with each other is arranged in the ash bucket shell, so that a flow field can be changed by utilizing the additionally arranged guide plates, and dust in flue gas can be prevented from being directly taken out of the ash bucket shell by bypassing the flow field; moreover, due to the arrangement of the guide plate, the through-flow area of the ash bucket shell is reduced, the flow velocity of the flue gas is increased, the flue gas has a larger turn under the flow field deviation action of the guide plate, and the dust can be thrown to the bottom of the ash bucket shell to be deposited under the action of centrifugal force and gravity, so that the capture and the sedimentation of the dust are facilitated. And meanwhile, the contact area between the flue gas and the ash bucket shell is increased due to the arrangement of the guide plate, so that dust is better captured.
Owner:GRAND BLUE ENG TECH CO LTD +1
Water supply assembly and household appliance with same
PendingCN119615574Aguaranteed water supplyGuaranteed uptimeTableware washing/rinsing machine detailsOther washing machinesLaundry washing machineWater source
The invention relates to the technical field of household appliances, in particular to a water supply assembly and a household appliance with the water supply assembly, and aims to solve the problem that washing water in a washing machine is sucked back to a tap water supply system due to negative pressure accidentally generated by the tap water supply system in the prior art. In order to achieve the purpose, a first water supply pipe of the water supply assembly is connected with a water source, a second water supply pipe is connected with a water containing cavity, and a communication device comprises a body, a first branch pipe connected with the first water supply pipe, a second branch pipe connected with the second water supply pipe and a third branch pipe communicated with air. According to the communicating device, water entering the first branch pipe from the first water supply pipe sequentially flows into the water containing cavity through the body and the second branch pipe, and water entering the second branch pipe from the second water supply pipe is discharged through the third branch pipe. The communication device is arranged between the first water supply pipe and the second water supply pipe, so that normal water supply is ensured, and water in the water containing cavity can be prevented from being sucked back to the water source side when negative pressure appears on the water source side.
Owner:QINGDAO HAIER WASHING MASCH CO LTD +1
Valve device
PendingCN121953543AReduced flow areameet job needsValve members for absorbing fluid energyFluid circulation arrangementRefrigerantVALVE PORT
The valve device comprises a valve body, a valve rod, a valve element and a throttling element, the throttling element, the valve element and at least part of the valve rod are all arranged in the valve body, the throttling element is provided with a first valve port wall, the valve body is provided with a second valve port wall, and the diameter of at least part of the first valve port wall is smaller than that of the second valve port wall; the valve rod comprises a rod part and a transmission part fixed to the rod part, the transmission part protrudes out of part of the periphery of the rod part in the radial direction of the valve rod, the rod part abuts against the valve element, and the transmission part and the throttling element are spaced or abut against each other; in the valve opening state of the valve device, the valve element and the first valve port wall are spaced, the throttling piece abuts against the second valve port wall, or the valve element and the first valve port wall are spaced, the throttling piece and the second valve port wall are spaced, and the refrigerant flow of the valve device meets the requirements for small flow and large flow.
Owner:ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO LTD
High-altitude fire-fighting spray manifold filter
PendingCN121846750Aeasy to moveReduced flow areaFire rescueStationary filtering element filtersFire sprinklerStructural engineering
The invention relates to the technical field of filters, in particular to a high-altitude fire-fighting spray manifold filter which comprises a connector, a filter outer cylinder, a filter inner cylinder, a reset spring and a hydraulic plate, the connector with the left end located on the left side of the filter outer cylinder is fixedly installed on the inner side of the left end of the filter outer cylinder, and a limiting ring table is arranged on the inner side of the right end of the filter outer cylinder; a filter inner cylinder is arranged on the inner side of the left portion of the filter outer cylinder corresponding to the position between the connector and the limiting ring table, an installation ring groove is formed in the outer side of the right end of the filter inner cylinder, a reset spring with the right end located on the right of the filter inner cylinder is installed in the installation ring groove, and the right end of the reset spring abuts against the left side of the limiting ring table. The filtering device is reasonable and compact in structure and convenient to use, and impurities are intercepted in the filtering inner cylinder by arranging the filtering plate; by arranging the guide key block and the guide key groove, the inner filter cylinder and the outer filter cylinder are prevented from rotating in the circumferential direction, so that the inner sewage discharge hole and the outer sewage discharge hole are prevented from being staggered in the circumferential direction, and the filter has the characteristics of stability, reliability and good filter effect.
Owner:PETROCHINA CO LTD
Compressor radial air entraining device with adjustable drum hole flow area
PendingCN122083028AReduced flow areaIncrease the circulation areaPump componentsPump installationsMechanical engineeringPhysics
The invention discloses an air compressor radial air entraining device with the adjustable drum hole flow area, and belongs to the technical field of air compressor air entraining systems, the air compressor radial air entraining device comprises a rotating main shaft, the periphery of the rotating main shaft is sequentially sleeved with a first-stage movable disc, a drum and a second-stage movable disc, a plurality of air entraining through holes are formed in the peripheral face of the drum, and the air entraining through holes are communicated with the first-stage movable disc. A blocking piece is arranged in the drum, and the blocking piece can adjust the flow area of the drum. The device has the effect of adjusting the flow area of the drum.
Owner:BEIHANG UNIV
Bottom ring for calcium carbide production
The utility model belongs to the technical field of electric furnace production equipment, and mainly relates to a bottom ring for calcium carbide production, which is formed by splicing four arc-shaped plates end to end in the circumferential direction, a cooling channel is arranged in each arc-shaped plate, and a plurality of turbulent flow blocks are arranged in the cooling channels. The turbulent flow blocks are arranged in the cooling channel so as to reduce the flow area of the cooling channel, according to the Bernoulli's law, when a cooling medium flows to the position where the turbulent flow blocks are arranged, the flow speed of the cooling medium can be increased, more cooling medium can flow through the cooling channel in unit time, and the cooling efficiency is improved. The cooling medium can take away more heat in unit time, so that the temperature of the bottom ring is reduced, and the service life of the bottom ring is prolonged.
Owner:SHAANXI COAL & CHEM IND GRP SHENMU ENERGY DEVELOPME
Flow detection device for breathing machine and breathing machine
ActiveCN224193880Ureduce flow rateGuaranteed stabilityRespiratorsType ventilatorMechanical engineering
The flow detection device comprises a shell, an airflow channel is arranged in the shell, and an air resistance structure is arranged in the airflow channel so that the airflow channel can be divided into an air inlet section located on one side of the air resistance structure and an air outlet section located on the other side of the air resistance structure. The air resistance structure is at least provided with a ventilation grid part in the middle area of the airflow channel, the shell is provided with a detection opening corresponding to the air inlet section and provided with a detection pipe extending into the air outlet section corresponding to the air outlet section, and the tail end of the detection pipe extends to the ventilation grid part to detect airflow passing through the ventilation grid part. The ventilation grating part is separated to form a plurality of airflow passing ports arranged in an array mode, airflow can be divided into a plurality of strands to pass through when passing through, the stability of the flow state of the airflow can be guaranteed, and the airflow can pass through the detection pipe in the air outlet section in a laminar flow state. The detection pipe can cross a viscous area close to the channel wall to directly detect the airflow in the central area of the airflow channel.
Owner:JIANGSU YUYUE MEDICAL EQUIP&SUPPLY CO LTD +2
Anti-crystallization reverse pipe structure of manure liquid conveying pipe
ActiveCN222122560UNot easy to blockNot easy to crystallizeOperating means/releasing devices for valvesPipe elementsLiquid manurePipe
The utility model relates to the field of pipeline conveying, in particular to a liquid manure conveying pipe anti-crystallization reverse pipe structure which comprises a blow-off pipe, an adjusting conical head and a driving assembly, a pipe opening of the blow-off pipe is bent upwards, and the adjusting conical head is located at the top of the blow-off pipe; the end, with the small diameter size, of the adjusting conical head is arranged towards a pipe opening of the blow-off pipe in the vertical direction, and the driving assembly is used for driving the adjusting conical head to vertically move in the direction close to or away from the pipe opening of the blow-off pipe. The pig manure liquid conveying device has the effect that the pipe opening of the blow-off pipe is not prone to crystallization due to long-term pig manure liquid conveying.
Owner:HUIZHOU XINGMU ENVIRONMENTAL PROTECTION TECH
Battery and battery pack
PendingCN119481445Aguaranteed performanceIncrease cooling areaSmall-sized cells cases/jacketsSecondary cells manufactureElectrical batteryNew energy
The invention relates to the technical field of new energy batteries, and discloses a battery and a battery pack. The battery is good in heat dissipation performance, heat accumulation can be reduced, and thermal runaway caused by poor heat dissipation of the battery is improved. In the battery, a battery cell comprises a first tab and a second tab which are opposite in polarity, and the first tab and the second tab are arranged on the same side of the battery cell; the current collecting assembly comprises a first current collecting piece, a second current collecting piece and at least one first through hole, the first through hole is formed in the first current collecting piece, the first current collecting piece is provided with a first tab connecting area and a first pole connecting area, the first tab connecting area at least partially surrounds the first pole connecting area, and the first through hole is formed in the first tab connecting area; the distance from the first through hole closest to the first pole connecting area in the radial direction of the first current collector to the center of the first pole connecting area is L1, the distance from the radial outer edge of the first current collector to the center of the first pole connecting area is L2, and the ratio of the distance L1 to the distance L2 ranges from 0.15 to 0.95.
Owner:CALB GROUP CO LTD
Buffering spacer bush device of oil cylinder
ActiveCN222141677Uplay a buffer roleThe buffering effect is significantFluid-pressure actuatorsHydraulic cylinderStructural engineering
The utility model relates to an oil cylinder buffering spacer bush device, and belongs to the technical field of hydraulic cylinders. Comprising a piston rod, a cylinder barrel, a buffering spacer bush, an oil pipe and a piston, the buffering spacer bush is assembled on the piston rod and arranged in the cylinder barrel, grooves are formed in the buffering spacer bush and the piston rod, an oil passing groove is formed in one end of the buffering spacer bush, and oil enters the grooves of the buffering spacer bush through the oil pipe to push the piston to move. Oil flows into the oil passing groove and enters the rod cavity to push the whole piston rod to stretch. The buffer device has the advantages that the buffer device is arranged on the spacer bush, the buffer device can stably move when the oil cylinder fully extends, the buffer effect is achieved, and the buffer effect is remarkable. The structure is simple, stable, reliable and high in safety; the groove is designed at the outer circle of the buffer spacer bush, the overflowing area is reduced, the stepped groove is designed at the inner circle of one end in contact with the piston, positioning of the buffer spacer bush is facilitated, the layout is simple, and the structure is stable and reliable.
Owner:XCMG HYDRAULICS CO LTD
Stacked full-immersion energy storage device
ActiveCN222619849UReduced flow areaavoid liquiditySecondary cellsTemperature controlElectrical battery
The utility model discloses a stackable full-immersion energy storage device which comprises a compartment body and a battery assembly installed in the compartment body. The battery assembly comprises at least one layer of battery pack; each layer of battery pack comprises a column of battery monomers arranged along the X direction, and tabs are respectively arranged on the front end surfaces and the rear end surfaces, vertical to the Y direction, of the battery monomers; a front temperature control flow channel, a rear temperature control flow channel, a left temperature control flow channel and a right temperature control flow channel which are mutually independent are respectively arranged between the front end surface, the rear end surface, the left side surface and the right side surface of the battery assembly and the compartment body; the front temperature control flow channel, the rear temperature control flow channel, the left temperature control flow channel and the right temperature control flow channel penetrate through the upper end and the lower end of the battery assembly; a gap is formed between every two adjacent battery monomers belonging to the same layer of battery packs, and a gap channel is formed in the battery assembly and penetrates through the upper end and the lower end of the battery assembly. And flowability control is carried out on different runners, so that the temperature control performance and the temperature equalization performance are improved.
Owner:九环储能科技有限公司
A water flow booster joint, high pressure water jet and pile machine apparatus
The application discloses a water flow pressure boosting joint, a high-pressure water jet and a pile machine device. The water flow pressure boosting joint is arranged at a water outlet of a water flow pipeline and comprises a joint main body and a first damping member. The joint main body is assembled on the water flow pipeline and is connected with the water flow pipeline and the first damping member. The first damping member is provided with a pressure boosting channel which is contracted in a direction away from the water outlet. The joint main body is used for assembling the water flow pressure boosting joint on the water flow pipeline, and the water flow is guided into the pressure boosting channel in the first damping member. After the water flow is compressed in the pressure boosting channel, the water flow has sufficient flow rate to wash hard soil, so that the drilling and digging resistance is reduced and the drilling and digging efficiency is improved.
Owner:ZHAODI GROUP CO LTD
Ultrasonic metering device
ActiveCN108871475BIncrease the itineraryMeet the requirements of measurement accuracyVolume/mass flow measurementVolume meteringTransducerMechanical engineering
The invention discloses an ultrasonic metering device, which belongs to the technical field of metering meters and solves the problem that the existing ultrasonic metering device cannot meet the accuracy requirements of small flow measurement of household gas meters. The ultrasonic metering device of the invention comprises a shell and a transducer arranged on the shell, wherein a metering channel for fluid to pass through is arranged in the shell, and the shell forms an inlet section and a measuring section along the flow direction of the fluid, and the transducer comprises a transmitting vibrator and a receiving vibrator, wherein the transmitting vibrator and the receiving vibrator are installed on the same side of the measuring section so that the propagation path of the ultrasonic wave is V-shaped, the flow area of the inlet section is S1, and the flow area of the measuring section is S2, wherein S2<S1. The surface velocity of the fluid when flowing through the measuring section is increased, the flight time difference during ultrasonic measurement is increased, and the measurement accuracy is improved, especially the measurement accuracy requirements of small flow conditions are met.
Owner:GOLDCARD HIGH TECH +1
Self-cleaning type biological rotating disc sewage treatment equipment
ActiveCN224172600UHigh shear forceEasy to disengageSemi-permeable membranesWater contaminantsBiofilmWater flow
The utility model relates to the technical field of biological rotating disc sewage treatment, in particular to self-cleaning type biological rotating disc sewage treatment equipment which comprises a biochemical tank, a rotating disc device and a driving device, the biochemical tank is provided with a water inlet and a water outlet, the rotating disc device is arranged in the biochemical tank, and the rotating disc device comprises a rotating shaft and a plurality of discs arranged on the rotating shaft. The driving device is connected with the rotating shaft, the cleaning device comprises a supporting assembly and an elution assembly, the elution assembly is arranged corresponding to the interval space, the supporting assembly is used for driving the elution assembly to extend into the interval space, and the elution assembly comprises a first pressurizing baffle; therefore, the water flow in the interval space is pressurized and accelerated. The elution assembly is driven by the supporting assembly to extend into the interval space between the adjacent discs, so that the water flow in the interval space is pressurized and accelerated, the shearing force of the water flow on the biological membrane on the discs is improved, and the biological membrane is promoted to be separated from the discs.
Owner:ZHEJIANG SUYAN TECH CO LTD
Water pipe connector for battery liquid cooling system and battery liquid cooling system
ActiveCN222527098USmall flow resistanceReduced flow areaSleeve/socket jointsSecondary cellsElectrical batteryLiquid cooling system
The utility model discloses a water pipe connector for a battery liquid cooling system and the battery liquid cooling system.The water pipe connector is used for connecting a liquid cooling box body and a liquid cooling pipe of the battery liquid cooling system, the water pipe connector comprises a first connector section and a second connector section which are sequentially connected in the axial direction of the water pipe connector, and the water pipe connector is connected with the liquid cooling box body through the first connector section; the second connector section is connected with the liquid cooling pipe; the first connector section comprises a first interface, a first flow channel and a second interface which are sequentially distributed in the axial direction of the first connector section and are communicated with one another, the first interface is matched with the connecting end of the liquid cooling box body, the second interface is matched with the connecting end of the liquid cooling pipe, and the radial size of the first flow channel is gradually reduced in the direction from the first interface to the second interface. According to the water pipe connector, the interfaces of different shapes of the liquid cooling box body and the liquid cooling pipe can be switched, and the flow resistance between the liquid cooling box body and the liquid cooling pipe is reduced.
Owner:CONTEMPORARY SYNLAND TECHNOLOGY CO LTD
A pulsating vacuum steam sterilizer
ActiveCN116271124BReduced flow areareduce demandFood processingLavatory sanitoryMechanical engineeringMedical device
Owner:INGRAM TECH (NANTONG) CO LTD
Laying hen breeding house draught fan opening sealing and heat preservation device
ActiveCN222322482UReduced flow areaReduce the rate at which the temperature decreasesPump componentsLivestock managementAnimal scienceSprocket
The utility model is suitable for the technical field of laying hen breeding, and discloses a laying hen breeding house draught fan opening sealing and heat preservation device which is characterized in that rotating rods are rotationally installed at the two ends of the top of the inner side of each installation frame through bearings, a movable baffle is fixedly installed between the outer sides of the rotating rods, and a transmission frame is fixedly installed on the surface of the outer side of each installation frame; the top of the inner side of each transmission frame is rotationally provided with a first transmission rod through a bearing, the bottom of the inner side of each transmission frame is rotationally provided with a second transmission rod through a bearing, the first transmission rods and the second transmission rods are fixedly connected with the rotating rod, and the surfaces of the middle ends of the first transmission rods and the second transmission rods are fixedly sleeved with transmission chain wheels; and a transmission chain ring sleeves the outer side of the transmission chain wheel. According to the technical scheme, by adjusting the discharge area of the air outlet in the side edge of the mounting frame, the situation that the growth quality of laying hens is affected due to the fact that the temperature in the breeding house body drops too fast due to the too large air outlet area of the air outlet is avoided.
Owner:SICHUAN QINGWEI AGRICULTURE CO LTD