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62results about How to "Improve contact conditions" patented technology
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Generating and energy storage integrated device based on direct carbon fuel cells (DCFCs) with liquid metal positive electrode
ActiveCN103972526AMeet peak shaving needsGuaranteed power supplyReactant parameters controlCell electrodesElectrical batteryEngineering
The invention belongs to the field of fuel cells, and particularly relates to a generating and energy storage integrated device based on direct carbon fuel cells (DCFCs) with a liquid metal positive electrode. The generating and energy storage integrated device comprises a metal molten pool, the liquid metal positive electrode, the tubular solid oxide direct carbon fuel cells (SO-DCFCs) and a fluidization air distributing feeding system, wherein the tubular SO-DCFCs can be blind pipes and through pipes and can be inserted into the metal molten pool vertically or horizontally; the feeding system carries a fuel and a positive electrode material into the metal molten pool by virtue of carrier gas, and substances in the molten pool are stirred. The generating and energy storage integrated device provided by the invention has the advantages that chemical energy in the fuel and surplus electric energy in an power grid are changed into chemical energy in the liquid metal positive electrode to be stored, and the integration of a generating device and an energy storage device is realized; the integrated device is simple and compact, the reactivity of the carbon fuel and the metal positive electrode is high, the property of the cell is good, the friction of the cell caused by liquid state positive electrode fluidization is small, the service life of the cell is long, the seal is easy, the collection is convenient, and a large-scale electric pile is convenient to form.
Owner:TSINGHUA UNIV
Braking device for vehicle
InactiveUS20070075582A1Switch accuratelyReduce surface resistanceBraking systemsDriver/operatorCalipers
To provide a braking device for a vehicle, which is capable of switching properly between single braking for one of front and rear wheels and combined braking with CBS according to the driving conditions of the vehicle, and of thereby achieving the balance between active vehicle controllability based on a driver's intention and braking performance. Brake systems respectively for the front and rear wheels are provided so that brake caliper assemblies respectively for the front and rear wheels can be operated independently of each other with brake operating sections exclusively for the brake caliper assemblies for the front and rear wheels, respectively. The brake system for the front wheel is provided with a hydraulic pressure modulator capable of feeding a braking force to the brake caliper assembly for the front wheel. When a rear wheel slip ratio exceeds a threshold value under rear brake operation, a controller activates the hydraulic pressure modulator for the front wheel to start braking the front wheel.
Owner:HONDA MOTOR CO LTD
Device and method for plastic formation of micro parts through manual submerging type cavitation jetting
ActiveCN108890541AAppropriate intensityEasy to moveBlast gunsAbrasive feedersWorking fluidCavitation
The invention discloses a device and method for plastic formation of micro parts through manual submerging type cavitation jetting. The method comprises the following steps: enabling a working fluid to flow towards a pressurizing cylinder and a speed-regulating valve through an outlet of a three-way valve, and enabling the working fluid to enter a nozzle after the pressure and flow of the workingfluid are increased; opening a stop valve, spraying nano-scale abrasive particles in a micro-sized abrasive particle tank into the nozzle to be mixed with the fluid, and spraying the fluid out throughan outlet in the lower end of the nozzle; and introducing the residual fluid in the three-way valve to enter a casing pipe from another outlet of the three-way valve through a depressurizing valve. When uniformly mixed nano-scale abrasive particles and the fluid are sprayed out from the outlet of the nozzle and collide with the low-pressure fluid in the casing pipe, strong shear is generated, anda large number of vacuoles are generated and are sprayed to to-be-machined micro parts; and cavitation jetting is combined with the nano-scale abrasive particles, a mutual promotion effect is achieved, the cavitation is promoted, the plastic formation of the micro parts is promoted, the machined positions are not cracked, and the surface polishing and strengthening effects on a formed site of a workpiece are promoted, so that the device can meet the requirements on the strength, fatigue durability and the like of the workpiece.
Owner:JIANGSU UNIV
Stirring friction and transient liquid phase diffusion welding method for connection of dissimilar materials
InactiveCN102825381ALower preparation quality requirementsAvoid (or reduce the formation ofNon-electric welding apparatusFriction weldingEngineering
The invention provides a stirring friction and transient liquid phase diffusion welding method for connection of dissimilar materials. Stirring friction welding and diffusion welding are combined, heat generated by stirring friction is used as a heat source of the diffusion welding, the heat source can move by continuously moving a stirring head in a welding process, so that different regions of a head to be welded is welded, other fixed equipment is not required in the welding process, heads to be welded in various shapes and sizes can be welded, and shortcomings that in the prior art, other fixed equipment is required to provide a heat source, so that cost is increased, the size and the shape of a head to be welded are easily limited by welding equipment are overcome. The stirring friction and transient liquid phase diffusion welding method has the advantages of low cost, wide application range and excellent mechanical property of welding joints.
Owner:UNIV OF SCI & TECH BEIJING
Lock-up clutch mechanism
InactiveUS20070108007A1Easy constructionAvoid it happening againRotary clutchesInterengaging clutchesEngineeringPiston
The present invention provides a lock-up clutch mechanism for a torque converter, comprising a lock-up piston and a front cover opposed to the lock-up piston and wherein a friction material having a friction surface is secured to one of the lock-up piston and the front cover, and the friction surface includes an outer peripheral friction surface which is engaged at an initial stage of engagement between the lock-up piston and the front cover and an inner peripheral friction surface which is engaged upon tightening, and the outer peripheral friction surface has a taper with respect to the inner peripheral friction surface, and the inner peripheral friction surface and the outer peripheral friction surface are subjected to a cutting operation.
Owner:NSK WARNER
Ultraviolet/titanium dioxide (UV/TiO2) reactor for disinfecting drinking water treated by activated carbon
InactiveCN101723484AEffective combinationEasy to installWater/sewage treatment by irradiationActivated carbonReactor system
The invention provides an ultraviolet / titanium dioxide (UV / TiO2) reactor for disinfecting drinking water treated by the activated carbon, aiming at solving the problem on the biosafety of bacteria, particularly the carbon-adsorbed bacteria in drinking water treated by activated carbon. The UV / TiO2 reactor is an integrated UV / TiO2 reactor system which has the advantage of disinfecting by UV and the characteristic of catalyzing by TiO2 and is optimized and integrated with the process. The UV / TiO2 reactor can effectively inactivate the free bacteria and the carbon-adsorbed bacteria in the drinking water treated by the activated carbon, can ensure the disinfected drinking water to reach the sanitary standard for drinking water (GB5749-2006) and can bear the water supplying load change on some degree, thereby having wide application prospect.
Owner:HOHAI UNIV
Method for realizing conical roller bearing low friction and structure thereof
InactiveCN101158371AReduce the number of touch pointsImprove contact conditionsRoller bearingsShaftsRetaining ringEngineering
The invention discloses a method and a structure of a taper roller bearing low friction. The invention causes the angle between a large retaining ring of the taper roller bearing and a raceway generatrix more than 90 DEG and reduces the ball diameter of the sphere at one end of the taper roller, meanwhile, the invention implements the object that the contact between the taper roller sphere and the large retaining ring is changed from crossed multi-point contact into slippery one-point contact; meanwhile, the invention presents the angle range is 90 DEG-93 DEG; furthermore, the ball diameter complies with the specific requirement of 40%-80% of the stipulated value of the existing drawing of the products. The invention is beneficial for reducing the friction, reducing the abrasion between the large retaining ring and the sphere and implementing the high-speed heavy loading of the taper roller bearing.
Owner:张荣发
A flue gas pollutant spraying-absorbing column inner member capable of adjusting a local fluidized wind speed
PendingCN106861370AEnhanced mass transferImprove contact conditionsDispersed particle separationFlue gasEngineering
A flue gas pollutant spraying-absorbing column inner member capable of adjusting a local fluidized wind speed is provided and belongs to the technical field of flue gas pollutant control. The inner member includes a fluidization unit group, fluidized wind speed adjusting plates and adjusting plate control devices. The fluidization unit group consists of a plurality of local fluidization units and is mounted below a spraying layer of a spraying-absorbing column. The fluidized wind speed adjusting plates are horizontally mounted under the fluidization unit group and are porous plates. Each fluidized wind speed adjusting plate is connected to one of the adjusting plate control devices. The opening ratio of the fluidization unit group is adjusted through the fluidized wind speed adjusting plates and the adjusting plate control devices to adapt to different boiler running loads. The inner member can form gas-liquid fluidizing and mixing zones having a certain height in the local fluidization units to allow flue gas to be in full contact with slurry, thus strengthening a mass transfer process and playing a role of deep pollutant removal. The inner member can achieve efficient flue gas purification and can increase adaptability of the spraying-absorbing column to load changes.
Owner:TSINGHUA UNIV
Liquid-accommodation diversion type drop pipe
InactiveCN104722095AOutflow smoothlyFinely dispersedDispersed particle separationDistillation separationPlate pressureSingle stage
The invention discloses a liquid-accommodation diversion type drop pipe comprising a pipe body, overflow weirs, single-stage or multiple-stage liquid accommodating chambers clinging to the tower wall and pipe wall, liquid accommodating plates of the bottom of the pipe body and drop plates. According to the drop pipe, the liquid phase and gas phase flowing and contacting state in a tower is changed, the gas and liquid contacting and separating strength is enhanced, the purposes of improving the tower distillating efficiency and operational flexibility and increasing the tower flux can be achieved, the tower blockage prevention capability is improved, the tower plate pressure drop is reduced, energy consumption and equipment investment are reduced, and the comprehensive performances of the tower are improved.
Owner:万强
Belt type continuously variable transmission
ActiveUS7163476B2Sufficient range of speed change ratioComponent is easyV-beltsGearingEngineeringPulley
In a belt type continuously variable transmission having a variable width drive pulley, a variable width driven pulley, and a metal V belt, which is disposed around the drive and driven pulleys, the contour of the surfaces (V faces) in contact with the metal V belt in the cross-sectional view through the axes of the drive and driven pulleys is an arc that has a first radius of curvature rp and is convex to the metal V belt. The contour of the surfaces (V faces) in contact with these two pulleys in the cross-sectional view perpendicular to the longitudinal direction of the metal V belt is an arc that has a second radius of curvature re and is convex to the drive and driven pulleys.
Owner:HONDA MOTOR CO LTD
Macroporous resin and ion exchange device for adsorbing high-concentration rhenium
ActiveCN109336998AReduce the degree of crosslinkingShorten the diffusion pathCation exchanger materialsOther chemical processesHigh concentrationRhenium
The invention discloses macroporous resin for adsorbing high-concentration rhenium. The macroporous resin for adsorbing the high-concentration rhenium is prepared by the following preparation steps: preparing a macroporous divinyl benzene-methyl acrylate copolymer skeleton by adopting a suspension polymerization method, and then performing chloromethylation on small copolymer spheres; soaking theprepared chlorine spheres in methyl alcohol for swelling after the chlorine spheres are washed and dried; and adding diaminopro to perform amination reaction to obtain macroporous weak alkaline ion exchange resin. The invention also provides a columnar ion exchange device using the resin; a set of heat exchange component is arranged on the periphery of an ion exchange column, so that the temperature of the ion exchange column is reduced to promote the adsorption of rhenium. According to the ion exchange resin and the device provided by the invention, the problems of low adsorption rate and lowexchangeable capacity of the common ion exchange resin under high rhenium concentration and common operation conditions are solved; the rhenium ion exchange efficiency is greatly improved; and high-efficiency enrichment and recycling of the rhenium are promoted.
Owner:ZHEJIANG UNIV OF TECH
Integrated device for power generation and energy storage based on liquid metal anode direct carbon fuel cell
ActiveCN103972526BPromote oxidationIncrease power generation capacityReactant parameters controlCell electrodesMelting tankEngineering
Owner:TSINGHUA UNIV
Automatic feeding device of thin type sheet iron piece
InactiveCN101823628AGuaranteed uptimeReduce contact areaDe-stacking articlesProduction lineEngineering
The invention discloses an automatic feeding device of a thin type sheet iron piece, comprising a material storehouse, a feeding tongue, a regulating cushion, a pad, a magnet and bolts, wherein the material storehouse is designed according to the plane shape of the thin type sheet iron piece (named as a workpiece for short) and is used for limiting the workpiece output directional position and storing sufficient workpieces to satisfy the normal operation of an automatic production line. The transportation of an R-S wire bearded gear of an electrofilter is used as a case by combining a driving mechanism, a bearded gear, a pipe blank, a spotwelder, and the like to describe, the feeding tongue is flatly arranged at a discharging hole of the material storehouse, the front end of the feeding tongue is provided with a groove which has the similar shape and thickness to the workpiece, only a drawer of one workpiece can be arranged on the feeding tongue relatively, the workpiece is very thin, and the contact area of the end surface of the workpiece is very small. Owing to the limitation of the action area of the end surface, the workpiece is easy to offset or slide to generate leak pieces. In the invention, the magnet is additionally arranged at the bottom of the groove of the feeding tongue to improve the contact condition of the workpiece and the feeding tongue, thereby ensuring the normal transportation of the workpiece.
Owner:黄幼华
Apparatus and method for forming silica glass elements
InactiveUS6928838B2Reduce heatShorten pressing timeGlass pressing apparatusGlass reforming apparatusSilicon dioxideQuartz
The forming apparatus has top and bottom die assemblies which form a heated silica glass material by press forming. These top and bottom die assemblies include, respectively, mold dies, which are made of isotropic carbon, and core molds, which are made of vitrified carbon. The heating and pressing time of a silica glass element, which requires a high forming temperature, is shortened by pinching the silica glass material between top and bottom core molds by controlling a torque so as to produce a close contact condition which permits heat transfer from the top and bottom core molds to the silica glass material between the top and bottom core molds.
Owner:TOSHIBA MASCH CO LTD
Turning bearing with separator
ActiveUS20130223783A1Easy to installReduce frictional resistanceRoller bearingsShaftsThumb oppositionEngineering
The turning bearing has a separator whose leading and trailing sides are concaved to fit over circular rolling surfaces of the rollers to provide concavities where concaved surfaces lying either in parallel with and in perpendicular to the axis of the roller. The rollers fit in the separator in either of two different directions. The separator can be easier installed into the raceway through a loading hole without the posture of the separator in mind. The separator has a quadrilateral in a transverse cross-section perpendicular to a traveling direction of the separator of which a peripheral surface is in opposition to the outer ring and the inner ring. The separator has a center through-hole. The concaved surfaces in the separator are contoured in arced or curved profiles and bulge gradually closer to a circular edge of the through-hole to form arcing bulges at bottoms of the curved surfaces.
Owner:NIPPON THOMPSON
Thermosensitive printer
InactiveUS20020021350A1Improve contact conditionsRecording apparatusOther printing apparatusPiezoelectric actuatorsEngineering
To record an image on a thermosensitive color recording material, a heating element array (15) of a thermal head (14) is pressed onto an obverse side of the thermosensitive color recording material (2) while a platen roller (13) supports the color recording material from its back side. The thermosensitive color recording material is conveyed first in a forward direction for recording a yellow frame, next in a backward direction for recording a magenta frame, and then again in the forward direction for recording a cyan frame. A rotary shaft of the platen roller is mounted to bearing members (40) that are caused by a pair of piezoelectric actuators (44) to slide back and forth along conveying directions of the thermosensitive color recording material, thereby to displace a rotary center of the platen roller upstream from a center of the heating element in either conveying direction of the thermosensitive color recording material.
Owner:FUJIFILM HLDG CORP +1
Method for preparing SCR denitration catalyst from rare earth tailings
ActiveCN110026203ARealize the recycling of solid wasteTo achieve the purpose of recyclingDispersed particle separationMetal/metal-oxides/metal-hydroxide catalystsRare-earth elementBall mill
The invention discloses a method for preparing an SCR (Selective Catalytic Reduction) denitration catalyst by utilizing rare earth tailings. According to the method, a catalyst carrier is formed by utilizing element dissolution rerecombination and mineral phase pore forming, and processing treatment and rare earth element loading are carried out on tailings on the basis of reserving a raw mineralphase of the rare earth tailings, so that the SCR denitration catalyst is prepared. Specifically, the method comprises the following steps: carrying out ball milling on rare earth tailings to a certain particle size, using methods of acetic acid leaching, HF acid leaching, and conducting roasting on NaOH and tailings according to a certain proportion to obtain a leachate containing concentrated substances such as Ce, La, Fe and Mn and a carrier of the tailings subjected to acid and base treatment; and then loading a rare earth nitrate and an acid-soluble rare earth tailing solution concentrated solution to the surface of the treated rare earth tailings to prepare the SCR denitration catalyst taking the rare earth tailings as a carrier. According to the method for preparing the SCR denitration catalyst with the rare earth tailings as the carrier from the rare earth tailings, multiple components of the rare earth tailings are recycled, and the method is more environmentally friendly.
Owner:INNER MONGOLIA UNIV OF SCI & TECH
Making process of Congou black tea of Shiqian moss tea variety
ActiveCN104222333AOvercoming technical difficulties of low qualityImprove contact conditionsPre-extraction tea treatmentOff the shelfStratum corneum
The invention discloses a making process of Congou black tea of Shiqian moss tea variety. The making process comprises the following steps: grading fresh leaves, dehydrating, twisting, withering, first-rolling, spreading for cooling, repeat-rolling, fermenting, curing, piling, post-fermenting, and increasing the fragrance. According to the making process, the technical difficulty of low quality of the black tea caused by dense cells of stratum corneum of the surface and thick mesophyll of Shiqian moss tea, insufficient fermentation, poor aroma and the like under a conventional technical condition for a long time is overcome; the contact condition of the tea leaves and air in a fermenting process is improved, the whole aerobic fermentation process is ensured, the problem of acidic and sour taste in a conventional process is overcome; the problems of serious closeness, dark bands and insufficient fragrance caused by multiple rainy days, dew leaves and rainwater leaves in the South are solved; a dewetting and dehydrating process in a tea making process is increased, the fragrance and the taste of the made tea are greatly improved; the making process is simple, and by using off-the-shelf equipment, the utilization way of a drying machine is enlarged.
Owner:GUIZHOU XIANGHUA ECOLOGICAL AGRI DEV CO LTD
Thermosensitive printer
InactiveUS6556231B2Improve contact conditionsRecording apparatusOther printing apparatusPiezoelectric actuatorsHeat sensitive
Owner:FUJIFILM HLDG CORP +1
Production method of austenitic stainless steel band used for liquid crystal display back light
InactiveCN108555023AImprove wear resistanceExtended service lifeRoll force/gap control deviceTension/compression control deviceLiquid-crystal displayWork roll
The invention discloses a production method of an austenitic stainless steel band used for a liquid crystal display back light. Through six working procedures of precisely-controlled work roll production, blooming, bright annealing, finish rolling, bright annealing and withdrawal and strengthening, the austenitic stainless steel band used for the liquid crystal display back light is prepared, wherein the surface glossiness GS=280-300 + / -10 GU, the surface roughness Ra=1.1-1.3 + / -0.05 mum, and the inequality is smaller than or equal to 0.8 mm / M. According to the method, precisely-controlled work rolls are adopted by the last pass in the finish rolling process, and in each of the working procedures of the production process, the surface roughness of the stainless steel band is controlled, sothat the product cold rolling production efficiency is greatly improved; and for the prepared austenitic stainless steel band used for the liquid crystal display back light, indexes such as the surface roughness, the glossiness and the shape of the stainless steel band are improved.
Owner:ZHEJIANG YONGJIN METAL TECHONLOGY CO LTD
Stepping motor
ActiveUS20110285217A1Improvement in lack of consistencyCost-cutting and reduction in size is preventedMagnetic circuit stationary partsMaster clocksEngineeringMagnet
A claw-pole-type stepping motor includes a stator annularly disposed therein and having a coil, a rotor rotatably disposed inside the stator and having a multiply magnetized permanent magnet and a shaft, an outer yoke provided in the stator and having a cup shape opening toward an axially outside direction an outer circumferential portion provided in the outer yoke and having a cylindrical shape and an inner circumferential portion including first pole teeth, an inner yoke provided in the stator and having second pole teeth provided in an inner circumference thereof and an outer circumferential portion fixed to an inner circumferential surface of the outer circumferential portion of the outer yoke, in which the first pole teeth and the second pole teeth are engaging with each other via a gap in an axial direction and are disposed with respect to the permanent magnet of the rotor via a gap, a fixed portion of the inner yoke and the outer yoke is positioned at the axial inside of an opening end of the cup shape of the outer yoke and the opening end protrudes beyond the fixed portion toward the axially outer direction.
Owner:MINEBEAMITSUMI INC
Preform producing apparatus and molten glass-supporting member
InactiveUS20090107181A1Low costImprove accuracyGlass pressing apparatusGlass blowing apparatusMolten glass
A preform producing apparatus, in which the apparatus is downsized and capable of producing preforms at a lower cost, and a molten glass-supporting member used for the preform producing apparatus are provided. A molten glass-supporting member 1 has an openable and closable receiving member 12, of which a receiving surface 13 for receiving molten glass is constructed from a plurality of members 11a and 11b, and a closed state-maintaining member 14 for maintaining the receiving member 12 in a closed state.
Owner:OHARA
Blast furnace burden distribution method and device
ActiveCN109022649AIncrease profitIncrease contactBlast furnace detailsDistribution methodLarge particle
The invention provides a blast furnace burden distribution method and device. The blast furnace burden distribution method comprises the steps that the batch weight of each charging material is determined, and the charging materials comprise coke and ore; the charging materials are distributed into the blast furnace sequentially according to the preset distribution sequence and distribution matrixcorresponding to the charging materials; the preset distribution sequence includes large coke, small-particle-size sinter, large-particle-size sinter and small coke; and the particle size of the large coke is greater than 25mm, the particle size of the small coke is 12-25mm, the particle size of the large-particle-size sinter is greater than 11mm, and the particle size of the small-particle-sizesinter is 4-11mm.
Owner:武汉钢铁有限公司
Automatic telescopic collision-prevention device of inkjet printer
ActiveCN110315874AAvoid touchingRealize telescopic anti-collision functionTypewritersPower drive mechanismsEngineeringMechanical engineering
The invention discloses an automatic telescopic collision-prevention device of an inkjet printer. The automatic telescopic collision-prevention device comprises a mounting fixing frame, wherein an up-down adjusting platform is arranged on the mounting fixing frame, a spray head mounting platform is arranged on the up-down adjusting platform, a telescopic device is arranged on the up-down adjustingplatform, a collision-prevention device is arranged between the up-down adjusting platform and the spray head mounting platform; and the telescopic device comprises an automatic telescopic guide railarranged on the upper end surface of the up-down adjusting platform, an automatic telescopic air cylinder arranged on the upper end surface of the up -down adjusting platform and an automatic telescopic sliding seat arranged on the lower end surface of the spray head mounting platform, the automatic telescopic sliding seat is arranged on the automatic telescopic guide rail in a sliding mode, theautomatic telescopic air cylinder is parallel to the automatic telescopic guide rail, one side of the automatic telescopic sliding seat is provided with a telescopic seat in an extending mode, and theoutput end of the automatic telescopic air cylinder is fixedly connected with the telescopic seat. When a gypsum board is suddenly widened, the gypsum board pushes a spray head of the inkjet printerto move backwards to prevent the spray head from being collided, the spray head of the inkjet printer and the gypsum board are protected, and the jet printing quality of the edge part of the gypsum board is improved.
Owner:PINGYI BEIXIN BUILDING MATERIAL CO LTD +1
Environmentally-friendly wood-plastic integrated wallboard and production method thereof
The invention discloses an environmentally-friendly wood-plastic integrated wallboard and a production method thereof, belonging to the field of environmentally-friendly high-molecular materials. According to the invention, polyvinyl chloride resin and polychlorohexene resin are used as substrates; wood powder and calcium carbonate powder are used as fillers; polyethylene wax is used as a lubricant; stearic acid is used as a stabilizer; chlorinated polyethylene 135A is used as a toughness and impact modifier; foaming AC-02 is used as a foaming regulator; and macroporous resin, micron-sized carbon spheres and zeolite particles are compounded to form an adsorption purifying agent, so adsorption and desorption discharge channels for harmful gases are formed inside the integrated wallboard. According to the invention, zeolite particles, macroporous resin and micron-sized carbon spheres are added into the integrated wallboard to form the adsorption purifying agent, so the adsorption and desorption channels are formed inside the integrated wallboard; and thus, the internal structure of the wallboard is more abundant, the combination of macro-holes, small holes and micropores makes the porosity of the formed adsorbent larger, the channels for desorption and discharge of harmful gases from the integrated wallboard are increased, and the adsorption and discharge of harmful gases are more thorough and environment-friendlier.
Owner:辽宁新世界科技股份有限公司
Electrical plug connector for a safety restraint system
ActiveUS9780502B2Good electrical contactReduce contact areaVehicle connectorsIncorrect coupling preventionAirbagShort circuit
Owner:APTIV TECH LTD
Coupler for rolling mill
InactiveCN103410879AExtended service lifeImprove contact conditionsYielding couplingCouplingEngineering
The invention provides a coupler for a rolling mill. The coupler comprises an internal-tooth flange, an external-tooth connector and a single-section crossed universal shaft with a fork head, wherein the internal teeth of the internal-tooth flange are meshed with the external teeth of the external-tooth connector; one end, which is away from the internal-tooth flange, of the external-tooth connector is connected with a connection pipe; one end, which is away from the external-tooth connector, of the connection pipe is fixedly connected with the fork head; lubricating oil is filled in a cavity formed between the internal-tooth flange and the external-tooth connector; a sealing end cover is arranged on the end part of the meshed end of the external-tooth connector and the internal-tooth flange and seals the external-tooth connector through a sealing ring. The coupler disclosed by the invention has large transmission torque and is high in transmission balance; the shortcomings of a rolling mill in a severe environment with a small space and a lot of water vapour are overcome; the coupler has an automatic lubricating function, can realize buffering and shock absorption and protect a transmission system, is convenient to mount and dismount and long in service life.
Owner:JIGANG GRP
Heating furnace
ActiveUS20180014358A1Simple designDecrease of bolt-fastening forceOhmic-resistance electrodesFurnace typesEngineeringHeating furnace
A heating furnace includes a bolt inserted through an insertion hole in a part of a heater and further inserted into a hole on a tip surface of an electrode rod. A first washer is between a bearing surface of the bolt and one face of the heater. A second washer is between another face of the heater and the tip surface. The relation of: |L0·α0−(TH·αH+TB·αB+TE·αE)|·ΔT≦0.15(TB+TE) is satisfied, where L0 is an interval between the bearing surface and the tip surface, α0 is a linear expansion coefficient (LEC) of the bolt, TH, TB and TE are thicknesses of the part, first and second washers and αH, αB and αE are their LECs, respectively, and ΔT is a temperature increment quantity of a part where the heater and the electrode rod are fastened by the bolt.
Owner:SHIN ETSU CHEM IND CO LTD
Jacquard machine assembly device
The invention relates to the technical field of textile machinery, in particular to a jacquard machine assembly device. The jacquard machine assembly device comprises a broach, electromagnets, clamping plates, a reset spring piece, a moving iron vertical hook, suction assistance spring pieces and reset spring hooks. The broach is arranged on a jacquard machine, the electromagnets are arranged on the clamping plates, the reset spring is arranged on the electromagnet, and the vertical moving iron hook is arranged between the two clamping plates. The vertical moving iron hook is driven by the broach to slide in a T-shaped groove formed by the two clamping plates. A soft magnetic insert is arranged in the vertical moving iron hook. The reset spring hooks are arranged on the clamping plates, and the suction assistance spring pieces are arranged above the reset spring hooks. By means of the jacquard machine assembly device, a moving iron shaft, a moving iron pressure spring, moving iron and a tongue spring which are prone to abrasion are omitted, so that component failures caused by abrasion of the moving iron shaft, the moving iron pressure spring, the moving iron and the tongue spring are eliminated, the component structure is changed, the service lives of the components are prolonged, the machining and assembling difficulty of all components is reduced, production cost is reduced, the failure occurrence rate and maintenance cost are reduced, and the production efficiency of the jacquard machine is improved.
Owner:JIANGSU S&S INTELLIGENT SCI & TECH CO LTD
Flexible clearance eliminating gear with rigidity easy to control
ActiveCN104455319AEliminate impact noiseImprove controllabilityPortable liftingGearing elementsContact pressureGear wheel
The invention discloses a flexible clearance eliminating gear with rigidity easy to control. The gear comprises a first malposed gear and a second malposed gear which are jointly connected in the axial direction of a transmission shaft, wherein a shaft sleeve is also connected among the first malposed gear, the second malposed gear and the transmission shaft; key grooves are paired in a connected position of the shaft sleeve and the first malposed gear, and a key is connected between the paired key grooves; a boss is also arranged at a connected part of the shaft sleeve and the second malposed gear, at least a paired penetrating groove is formed in corresponding positions of the boss and the second malposed gear which sleeves outside the boss in the circumference direction, and a plate spring is connected between each pair of the paired penetrating grooves in the shaft sleeve; the paired penetrating groove in the second malposed gear and the key groove in the first malposed gear are relatively malposed in the circumference direction. For the gear disclosed by the invention, a connection structure of the flexible clearance eliminating gear is simplified, the problem that the normal contact pressure of a meshed tooth side of a gear pair is hard to be ensured effectively is solved, a clearance in the tooth side is flexibly eliminated, and the impact noise of the gear is eliminated.
Owner:NANJING INST OF TECH
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