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120results about How to "Appropriate spacing" patented technology
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Medical manipulator and medical robot system
ActiveUS20090198253A1Efficient supplyEasy to insertProgramme-controlled manipulatorComputer controlCoaxial cableMedical robot
A manipulator includes a yaw axis and a pitch axis disposed as joints on a distal end of a joint shaft and which are actuatable by motors, a needle variable in orientation by the joints, a coaxial connector disposed at a position closer to a proximal end of the manipulator than the joint shaft, and a coaxial cable providing within the joint shaft at least a portion of an electrical connection between the coaxial connector and the needle. A small board providing an impedance matching circuit, and which includes a coil and a capacitor, is interposed between the coaxial connector and the coaxial cable.
Owner:KARL STORZ GMBH & CO KG
Pedicle screw system with offset stabilizer rod
InactiveUS20070233062A1Quick and easy drop-in placementLimit articulationInternal osteosythesisJoint implantsSet screwEngineering
An improved pedicle screw system is provided with an offset stabilizer rod for the internal fixation of the spine. The pedicle screw system includes at least two multi-angle pedicle screw units adapted for anchored securement to patient bone, and an elongated stabilizer rod extending therebetween. Each pedicle screw unit includes a bone screw associated with an anchor bracket defining a laterally offset and upwardly open channel or trough for receiving and supporting the stabilizer rod. A securement member such as a set screw is fastened to the anchor bracket for compressively retaining the stabilizer rod within the bracket channel or trough. The securement member may also bear against the associated bone screw for compressively retaining the screw in position relative to the anchor bracket.
Owner:AMEDICA A DELAWARE
Liner and liquid heating container
InactiveCN108926249AEasy to passReduce deliveryWater-boiling vesselsWarming devicesEngineeringPower density
The invention provides a liner and a liquid heating container. The liner comprises a body, a heat conduction plate and a heating part, wherein the body comprises a barrel body and a barrel bottom connected with the bottom of the barrel body; the heat conduction plate fits to the outer wall face of the barrel bottom, and the heat conduction coefficient of the heat conduction plate is greater than that of the barrel bottom; the heating part is ring-shaped and fits to the lower surface of the heat conduction plate, and the projection of the heating part is positioned in the heat conduction plate;the thickness of the heat conduction plate is greater than or equal to 2mm; and / or, a spacing between the outer periphery of the contact part of the heating part and the heat conduction plate and theouter periphery of the heat conduction plate is greater than or equal to 3mm. For the liner provided by the invention, by increasing the spacing between the outer periphery of the contact part of theheating part and the heat conduction plate and the outer periphery of the heat conduction plate, heat generated by the heating part becomes bidirectional heat conduction from unidirectional heat conduction, so that the local thermal power density is greatly reduced, and the noises caused by heating water are reduced; and / or, the heat conduction plate is thickened, so that the local thermal shockis prevented, heat is uniformly transmitted as far as possible, and further, the noises caused by heating water are reduced.
Owner:GUANGDONG MIDEA CONSUMER ELECTRICS MFG CO LTD
Anchor bolt placement protection assembly and method for aligning structural elements in a form when pouring concrete
InactiveUS20060016140A1Precise positioningAccurate spacingFoundation engineeringEngineeringScrew thread
An anchor bolt placement and protection assembly for positioning or setting a threaded anchor bolt in a concrete stem foundation or concrete slab in relation to spaced form boards for controlling the depth of the anchor bolt in the concrete and the protected length of the anchor bolt projecting above the concrete foundation or slab. The assembly includes a base plate carrying a fixed, elongated tubular member having a lumen with an inner diameter dimensioned to receive the selected anchor bolt. The tubular member is sized to abut a detached tubular having an inside diameter that is substantially equal to the fixed tubular member's inside diameter. The assembly also includes a fastener with an anchor bolt thread engaging lumen with an inside diameter that is substantially equal to said fixed tubular member's inside diameter.
Owner:SMITH JAMES R
Air conditioner
ActiveUS20060276123A1Easy to guaranteeReduce short-circuitingDucting arrangementsLighting and heating apparatusEngineeringBlow out
Owner:DAIKIN IND LTD
Available bandwidth estimation
InactiveUS20060215572A1Appropriate spacingError preventionTransmission systemsComputer scienceReal-time computing
A new system and method of available bandwidth estimation applies even where the narrow link and tight link in a network path are in different locations. In embodiments of the invention, a unique packet probe series structure and processing is employed to estimate available bandwidth. In an embodiment of the invention, the spacing between probe packets is adjusted at the source to account for dilation caused by links leading to the tight link, so that the spacing is appropriate when the probes arrive at the tight link. Moreover, the multi-packet probe comprises a large packet followed by two much smaller packets. The large packet is then dropped once it has traversed the tight link. The two small packets, which are impacted little by subsequent narrow links, preserve the spacing set by the tight link, encoding the delay induced by the tight link, all the way to the destination.
Owner:MICROSOFT TECH LICENSING LLC
Method of controlling fragmentation and recovery of waste battery and system thereof
ActiveCN101183740AAppropriate spacingReduce pollutionSolid waste disposalReclaiming serviceable partsRecovery methodEngineering
The invention relates to a controllably-crushing recovery method and system of scrap batteries, comprising the following steps that: the scrap batteries are separated and classified to obtain a collection of lithium-ion batteries; the casings of the lithium-ion batteries are shelled by a scrap-battery rejuvenator to obtain a collection of lithium-ion battery content; the collected lithium-ion battery content is physically separated to obtain a collection of aluminium positive plates and positive active coatings on the positive plates; the aluminium positive plates and the positive active coatings on the positive plates are sent into a controllably-crushing device of scrap batteries and processed controllably-crushing to obtain a collection of mixture of aluminium granule and positive powder; the mixture of aluminium granule and positive powder is subtly sieved and separated to respectively obtain the aluminium granule and the positive powder. The invention has the advantages of greatly reducing environmental pollution of recovery process, less material-separating energy consumption, being close to 90% of intrinsic purity for the lithium cobalt oxide powder from recovery and facilitating economic running.
Owner:GEM CO LTD
User interface for a multi-point touch sensitive device
InactiveUS20110175839A1TediousMinimize the numberRecord information storageCarrier indicating arrangementsDisplay listHuman–computer interaction
A user interface unit (13) to interpret signals from a multi-point touch sensitive device (3) is disclosed. The user interface unit (13) comprises a gesture unit (13a) configured to enable a user to touch at least one item of data using a finger and select the at least one item of data, hold at least two fingers in contact with the at least one selected item of data and stretch the two fingers apart to view information about the at least one selected item of data while the two fingers are held apart and in contact with the user interface unit (13) and to no longer view the information about the selected item of data in response to releasing the at least two fingers held apart in contact with the user interface unit (13). This is generally useful in devices that display content in a list and each item of the list has associated metadata.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV
Air conditioner
ActiveUS8006512B2Reduce short-circuitingIncrease draftDucting arrangementsLighting and heating apparatusEngineeringBlow out
Owner:DAIKIN IND LTD
Nuclear locomotive
InactiveUS20090283007A1Great stability and versatilityGood versatility and stabilityVehicle seatsAuxillary drivesNuclear reactorHeat spreader
This device is a magnetically levitated (maglev) locomotive powered by an onboard nuclear reactor. The locomotive carries a small portable nuclear reactor that heats a fluid to boiling, and passes it through electric turbine engines to produce electric power. The fluid / steam then recirculates through cooling radiators condensing it back to liquid before it passes back into the reactors again. The electric power is used to power and cool the onboard electromagnets, which oppose passive permanent magnets or magnetic coils in the roadbed. The onboard reactor is capable of providing greater electrical power than previously described maglev systems. This, in turn, provides greater power to the superconducting electromagnets, which translates into greater lift capacity and greater speed.
Owner:TAYLOR WILLIAM GREGORY
Planting method for improving production environment of potatoes
InactiveCN102150526AHighlight substantive featuresSignificant progressHorticultureEcological environmentPlastic mulch
The invention discloses a planting method for improving the production environment of potatoes, which comprises the following steps: regularly placing treated potato seeds on the surface of soil which is not ploughed or fallowed or slightly leveled, with the eyes of the seeds close to the soil downwards or sideways; applying high-quality thoroughly-decomposed farmyard manure or compound fertilizer beside the potato seeds, wherein the farmyard manure or fertilizer can not be in contact with the potato seeds; then covering 3-4 grass or thin soil layers on the surfaces of the potato seeds at intervals, or additionally covering one mulching film layer before covering the top layer; and then carrying out field management, and harvesting at the right time. By using the planting method, the production environment of potatoes can be improved, the yield and commodity rate can be increased, labor and time are saved, and the ecological environment is protected, thereby being beneficial to improving the soil structure and enhancing the soil productivity.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION AGRI TECH PROMOTION GENERAL STATION
Medical manipulator and medical robot system
ActiveUS8246633B2Efficient supplyEasy to insertProgramme-controlled manipulatorComputer controlCoaxial cableMedical robot
A manipulator includes a yaw axis and a pitch axis disposed as joints on a distal end of a joint shaft and which are actuatable by motors, a needle variable in orientation by the joints, a coaxial connector disposed at a position closer to a proximal end of the manipulator than the joint shaft, and a coaxial cable providing within the joint shaft at least a portion of an electrical connection between the coaxial connector and the needle. A small board providing an impedance matching circuit, and which includes a coil and a capacitor, is interposed between the coaxial connector and the coaxial cable.
Owner:KARL STORZ GMBH & CO KG
Working method of large-scale cylinder polishing and derusting device
ActiveCN109483383AReduce laborPracticalGrinding machinesGrinding/polishing safety devicesScrapMoving parts
The invention discloses a working method for a large-scale cylinder polishing and derusting device, and belongs to the technical field of polishing and derusting equipment. The large-scale cylinder polishing and derusting device comprises a working table, an anti-deviating mechanism, a polishing and derusting mechanism, a dust retention mechanism and a rotating mechanism, wherein the anti-deviating mechanism is arranged under the rotating mechanism; the polishing and derusting mechanism comprises a lifting plate, a moving assembly and a polishing and derusting assembly; the moving assembly comprises two moving parts; the two moving parts have the same structures and comprise feeding pieces and lifting pieces; and a lifting plate is fixed to the top parts of the lifting pieces. According tothe working method for the large-scale cylinder polishing and derusting device provided by the invention, produced scrap iron can be automatically collected through the dust retention mechanism, large-scale cylinders with different diameters can be automatically polished and derusted through the polishing and derusting mechanism, and the anti-deviating mechanism can be used for limiting the large-scale cylinders, so that the large-scale cylinders are prevented from being greatly shaken or deviated during the polishing process.
Owner:泗县微腾知识产权运营有限公司
Sodium-ion battery carbon negative electrode material and preparation method thereof
ActiveCN105870425AImprove conductivityShorten the transmission distanceCell electrodesSecondary cellsPorous grapheneCarbonization
The invention discloses a sodium-ion battery carbon negative electrode material. Raw materials of disordered low-graphitizing carbon materials coat or clad porous oxidized graphene or porous graphene through a hydrothermal method to obtain a carbon material precursor, the carbon material precursor is subjected to further carbonization and activation to form the sodium-ion battery carbon negative electrode material with porous graphene coated or cladded with the disordered low-graphitizing carbon materials, and the raw materials of the disordered low-graphitizing carbon materials are lignin. The invention further discloses a preparation method of the sodium-ion battery carbon negative electrode material. The obtained carbon material with the porous graphene cladded with the disordered low-graphitizing carbon has the advantages of being uniform in porosity distribution, appropriate in layer spacing, high in porosity, large in specific area, good in electrical conductivity and the like, and the composite material is used for a sodium-ion battery, and the good battery performance is shown.
Owner:CENT SOUTH UNIV
Stenotic device
ActiveUS20070276381A1Promote recoveryLeast riskInternal osteosythesisJoint implantsLigament structureSpinal implant
A spinal implant is configured to be received between bony spinal protrusions of adjacent vertebrae particularly, but not necessarily, in the lumbar region of the spine and hold them apart. The spinal implant may be used interlaminar, interbody or interbony protrusion. The present bony spinal protrusion spacer is not fixed to any bony structures of the vertebrae and, as such, use of the present bony spinal protrusion spacer does not result in fusion. It may therefore be removed if necessary. Attachment structures formed as part of the bony spinal protrusion spacer receive and engage portions of adjacent bony protrusions. The attachment structures provide one or more ridges, bumps, protrusions, projections, lips, flanges, overhangs, overhangs that are threadably engaged, extensions and / or the like that form one or more pockets or cavities into which portions of adjacent bony spinal protrusions are separately lodged and held. In this manner (via retention of the bony spinal protrusions), appropriate and / or desired spacing between adjacent vertebrae is maintained. As such, the present bony spinal protrusion spacer is designed to remain safely and permanently in place without attaching to the bone or ligaments of the back.
Owner:LIFE SPINE INC
Large scale barrel polishing and derusting device
The invention discloses a large barrel polishing and derusting device, and belongs to the technical field of polishing and derusting equipment. The large barrel polishing and derusting device comprises a worktable, an anti-deviation mechanism, a polishing and derusting mechanism, a dust accumulation mechanism and a rotating mechanism, wherein the anti-deviation mechanism is arranged below the rotating mechanism, the polishing and derusting mechanism comprises a lifting plate, a material shifting assembly and a polishing and derusting assembly, the material shifting assembly comprises two material shifting parts which are the same in structure, each of the two material shifting parts comprises a feeding piece and a lifting piece, the lifting plate is fixed at the top of the two lifting pieces. According to the device, automatic collection operation of generated scrap iron can be completed through the dust accumulation mechanism, polishing and derusting operations can be automatically carried out on large barrels with different diameters by the polishing and derusting mechanism, the anti-deviation mechanism can carry out limiting operation on the large barrel body, so that large vibration or deviation of the large barrel body during the polishing process is avoided.
Owner:ANHUI HUITENG INTELLIGENT TRANSPORTATION TECH CO LTD
Aircraft wake turbulence awareness
ActiveUS20160328981A1Appropriate spacingAvoid areaAircraft indicatorsAircraft traffic controlFlight vehicleRelative risk
An avionics wake turbulence awareness system and method for use in an aircraft includes an ADS-B receiver that is adapted to be positioned in an equipped aircraft and receives ADS-B transmissions from other aircraft. A control system is responsive to the ADS-B receiver and determines an identity for each of the other aircraft and determines a movement of each of the other aircraft relative to the equipped aircraft. The control system determines a flight path history of each of the other aircraft from their respective identities and movements relative to the equipped aircraft. An output device is responsive to the control system to provide guidance to a pilot of the equipped aircraft to avoid an encounter with a wake turbulence caution area that is defined by a flight path history of another aircraft. The control system evaluates the relative risk of the equipped aircraft encountering the respective wake turbulence caution areas of each of the other aircraft, and after selecting an aircraft of the other aircraft with a highest priority, provides guidance to the pilot of the equipped aircraft to avoid an encounter with a wake turbulence caution area of the selected aircraft.
Owner:L3 AVIATION PROD INC
Indoor unit of air conditioner and air conditioner
InactiveCN106322535AAppropriate spacingReduce noiseDucting arrangementsLighting and heating apparatusPlate heat exchangerEngineering
The invention discloses an indoor unit of an air conditioner and the air conditioner. The indoor unit of the air conditioner comprises a front face plate, a rear back plate, a heat exchanger, a wind wheel, a front volute and a back volute, wherein the front face plate and the rear back plate are oppositely arranged to form an air inlet and an air outlet, the heat exchanger and the wind wheel are located between the front face plate and the rear back plate, and the front volute and the back volute are arranged on the two opposite sides of the wind wheel to form an air channel. The air inlet is located at the upper end of the front face plate and the upper end of the rear back plate and provided with an air inlet grille. The heat exchanger comprises a first heat exchanger, a second heat exchanger and a third heat exchanger, wherein the first heat exchanger, the second heat exchanger and the third heat exchanger are sequentially distributed around the wind wheel from back to front. The third heat exchanger is located between the wind wheel and the front face plate. The horizontal distance between the axis of the wind wheel and the third heat exchanger is 0.4-0.6 times that between the axis of the wind wheel and the front end of the air inlet grille. By the adoption of the indoor unit of the air conditioner and the air conditioner, the air feeding amount of the heat exchanger can be guaranteed, an enough space is formed between the wind wheel and the third heat exchanger to make turbulent airflow stable, and then the noise caused by the fact that the turbulent airflow impacts the wind wheel is lowered.
Owner:TCL AIR CONDITIONER ZHONGSHAN CO LTD +1
Short-sonic-path, ultrasonic and non-destructive probe for surface residual stress of large-curvature member
ActiveCN105823582AGuaranteed reliabilityAppropriate spacingMaterial analysis using sonic/ultrasonic/infrasonic wavesForce measurementWaferingLongitudinal wave
The invention relates to a device for the residual stress ultrasonic measurement of a member that is large in curvature and hard in coupled contact. The device comprises an organic glass wedge, a piezoelectric wafer and a sealing cover. A sensor device realizes the function of a pitch-catch structure and the function of a self-transmitting and self-receiving structure via the piezoelectric wafer. The sensor device is characterized by the short-sonic-path propagation of critically refracted longitudinal waves in a to-be-detected member and the detection function of measuring the spacing and detecting longitudinal and transverse residual stresses. The device is novel in design concept and wide in application prospect. Based on the structure of the device, the residual stress detection problem of members large in curvature and hard in coupled contact in the prior art can be well solved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Electrolytic polishing device
PendingCN105714367AImprove appearance qualityAchieve fine tuningElectrolysis componentsElectrolysisOptoelectronics
The invention discloses an electrolytic polishing device, and relates to the technical field of electrolytic polishing of the surfaces of metal materials. The electrolytic polishing device comprises an electrolytic bath, a cathode and an anode. The cathode and the anode are arranged in an electrolyte in the electrolytic bath. A workpiece is arranged in the electrolyte. A plurality of rings of annular cathode frameworks, which are distributed parallely, are arranged at the end part of the cathode. The workpiece is placed inside the annular cathode frameworks. The electrolytic polishing device has the advantages that all parts of the workpiece can be uniformly polished, the appearance quality of the workpiece is improved, and besides, the fine adjustment of the distance between the cathode and the anode is realized by adjusting the number and the diameters of the annular cathode frameworks according to the shape of the workpiece, so that the distance between the cathode and the anode is appropriate, and the problem of excessive polishing or low polishing efficiency is solved effectively.
Owner:SHANGHAI MICROPORT CARDIOFLOW MEDTECH CO LTD
Modeling method of Sjogren syndrome mouse model
InactiveCN106110315ALow physiological stateLow mental stateAntibody medical ingredientsMulti siteSjögren syndrome
The invention discloses a modeling method of an Sjogren syndrome mouse model. The modeling method comprises the following steps: killing mice, taking out bilateral salivary glands and peeling off capsules and connective tissues; washing with PBS (Poly Butylenes Succinate); adding the PBS according to the amount of adding 0.5ml of the PBS into each salivary gland; shearing the salivary glands into pieces, and uniformly homogenizing and centrifuging in an ice bath; then taking supernatant and quantifying salivary gland antigens by adopting a BCA (Bicinchoninic Acid) protein quantifying method; adjusting the concentration of the salivary gland antigens to be 4mg / ml by utilizing the PBS; adding equal quantity of an FCA (Freund Complete Adjuvant) or an FIA (Freund Incomplete Adjuvant) and diluting the concentration to be 2mg / ml; repeatedly blowing and beating until two liquid phases are dissolved mutually to form an ivory color; randomly grouping C57BL / 6 mice and shaving off furs on the backs of the mice; carrying out intradermal multi-site injection of 2mg / ml mouse salivary gland antigens prepared by the FCA on the back and tails of the mice on the current day and the 7th day, wherein the injection amount is 0.1ml per mouse; injecting equal quantity of the salivary gland antigens prepared by the FIA on the 14th day through the same method; after modeling for about 6 weeks, detecting indexes and screening the successfully modeled mice. The modeling method disclosed by the invention is high in modeling efficiency and short in modeling time.
Owner:魏伟
Damping force adjustable shock absorber
InactiveCN102161303AAdjust the shock absorption capacity at willAppropriate spacingSpringsLiquid based dampersWorking fluidDouble tube
Owner:KAN INNOVATION CONSTR
Reinforced flexible tubing and method of making same
InactiveUS20140360616A1Facilitates sliding movement of tube lengthAppropriate spacingFlexible pipesTubular articlesCoil springHelix
A method for making helically corrugated rubber tubing with a helical reinforcing element secured therein. A helical spring like element with axially spaced convolutions is slid onto a mandrel and a sleeve formed of uncured rubber is slid over the spring like element. The mandrel is then rotated about its axis and a flexible cord is wrapped around the sleeve to press portions of the sleeve into the spaces between adjacent convolutions of the spring like element and form helical corrugations. The resulting assembly is then placed in an oven to cure the rubber sleeve after which the cord is removed. The finished product is then removed from the mandrel.
Owner:CRUSHPROOF TUBING
Graphics for personalization or customization of tire sidewalls
A system and method for the application of custom or personalized graphics to a tire sidewall. A flexible frame having graphics mounted thereto is temporarily attached adjacent the wheel rim of a mounted tire, thereby guiding the positioning of the graphics. The graphics are then permanently attached to the tire sidewall and the flexible frame is severed from the graphics.
Owner:EGO WHEELZ CORP
Touch screen and electronic equipment
PendingCN107562292APrevent overflowAppropriate spacingInput/output processes for data processingElectricityCapacitance
The invention provides a touch screen and electronic equipment. Specifically, the touch screen includes: a protection cover plate; a display module, which is disposed under the protection cover plate;and a pressure sensing structure, which includes a first pressure sensing layer and a second pressure sensing layer which are electrically connected and form pressure sensing capacitance of which aninitial capacitance value is not greater than 50% of an upper limit of an IC detection capacitance value. Through design for a distance between the first pressure sensing layer and the second pressuresensing layer and areas, the initial capacitance value of the pressure sensing capacitance formed by the same is enabled to have a certain proportional relationship with the upper limit of the IC detection capacitance value, and thus it is prevented that when pressure sensing is carried out, increasing of the pressure sensing capacitance after pressing causes the pressure sensing capacitance after pressing to exceed the upper limit of IC detection and signal overflow to occur.
Owner:ANHUI JINGZHUO OPTICAL DISPLAY TECH CO LTD
Hand-pulling type xanthoceras sorbifolium seed sowing device
ActiveCN111264104AReduce labor proceduresReduce labor intensitySpadesPloughsAgricultural engineeringXanthoceras
The present invention relates to the technical field of agricultural planting and particularly to a hand-pulling type xanthoceras sorbifolium seed sowing device, and aims to provide the hand-pulling type xanthoceras sorbifolium seed sowing device which is simple and convenient to operate, can effectively improve planting efficiency of xanthoceras sorbifolium and can meet a requirement of plant spacing of xanthoceras sorbifolium planting at the same time. A technical scheme is as follows: the hand-pulling type xanthoceras sorbifolium seed sowing device comprises a machine frame, a rotating shaft, ground-grabbing wheels, a fixed seat, a pull rod, etc.; the rotating shaft is arranged at a left end of the machine frame, both ends of the rotating shaft are fixedly provided with the ground-grabbing wheels, the fixed seat is fixedly arranged on a side surface of a right end of the machine frame, and the pull rod is rotatably connected with the fixed seat. The hand-pulling type xanthoceras sorbifolium seed sowing device is light and handy in structure and flexible in operation, workers can break the soil and loosen the soil only by pulling the pull rod to drive a trolley to move forwards,and the hand-pulling type xanthoceras sorbifolium seed sowing device completes sowing of xanthoceras sorbifolium seed and effectively improves planting efficiency of the xanthoceras sorbifoliums.
Owner:泉州市池瑞科技有限公司
In-situ subsurface decontamination of sodic soil, clay and ground water
ActiveUS9475106B2Increase probabilityLess reagentWater treatment compoundsWater contaminantsSodic soilsOrganic compound
A method of decontaminating soil and ground water containing organic contaminants and metal compounds. It comprises the steps of first treating such soils and ground water with an effective amount an aqueous solution containing a peroxide and a water soluble chelating agent for a time sufficient to have the water soluble chelating agent chelate at least one of the metals of the metal compounds present in the soil and ground water. Next, the chelated metals are brought into contact with the peroxide to catalytically convert the peroxide to an oxidizing agent and hydroxyl ion. The hydroxyl ion converts the halogenated organic compound into environmentally safe, non-toxic compounds. Gases that are produced from this reaction, and from the oxidation of organic compounds, are used to diffuse solution into the soil to chelate calcium and magnesium, thereby causing the sodium to be dislodged from the soil and reduce sodicity in the soil.
Owner:LUNDY WILLIAM L
Rolling Bearing, Spindle Support Structure of Main Motor for Railway Vehicle, and Bearing Structure
ActiveUS20090322170A1Improve the lubrication effectExtended maintenance cycleRoller bearingsShaftsInsulation layerRolling-element bearing
A cylindrical roller bearing 41 comprises an inner ring 42, an outer ring 43 having the same axial width as the inner ring 42 and having an insulation layer 43a formed on an outer diameter surface and both end faces thereof, cylindrical rollers 44 arranged between the inner ring 42 and the outer ring 43, a retainer 45 retaining intervals of the cylindrical rollers 44, and a sealing seal 46 as a sealing member having a roughly channel-shaped configuration in cross section projecting from both end faces of the inner ring 42 and the outer ring 43. Thus, a relation between a length L3 of the roller 44 and an axial width W3 of the inner ring 42 and the outer ring 43 satisfies L3 / W3≧0.4, and a relation between a bearing volume V3 of the cylindrical roller bearing 41 and an internal space capacity C3 of the cylindrical roller bearing 41 satisfies 0.25≦C3 / V3≦0.55.
Owner:NTN CORP
Highly conductive cable with improved conductor structure and manufacturing method thereof
InactiveCN102354548AImprove ventilationReduce temperature riseNon-insulated conductorsInsulated cablesCarrying capacityElectrical conductor
The invention discloses a highly conductive cable with an improved conductor structure and a manufacturing method thereof, which belongs to the field of cables. In the highly conductive cable with the improved conductor structure, a plurality of conductors are stranded at the periphery of a concentric circle or non-concentric circle core wire to be manufactured into stranded conductors; the stranded conductors are embedded into grooves of hollow, circular and porous multi-groove conductor mounting brackets, or, flat conductor mounting brackets embedded with the stranded conductors are encircled at the periphery of a hollow and circular screw, and then are packed by polyurethane (PE) tapes or PE wire mylar, or, a plurality of flat conductor mounting brackets embedded with the stranded conductors are overlapped into multi-core highly conductive cable core wires; the outer edges of the multi-core highly conductive cable core wires are packed by a porous insulating tape; and the multi-core highly conductive cable core wires and a hollow special-shape screw are evenly encircled at the periphery of the hollow and circular screw at intervals. By adopting the highly conductive cable with the improved conductor structure, the area of each conductor is minimized; the skin effect is maximized; the current-carrying capacity of the area of the conductor is increased; a copper material is saved by about 70 percent; and simultaneously, the porous conductor mounting brackets are adopted, thereby, the highly conductive cable with the improved conductor structure is beneficial to ventilation, reduces temperature rise and has an effect of increasing the current-carrying capacity.
Owner:刘理文 +2
Laser collimation and beam expansion system for deep ultraviolet lithography
InactiveCN104516117ACompact structureApplicable installation integrationPhotomechanical exposure apparatusMicrolithography exposure apparatusBeam expanderLithographic artist
The invention discloses a laser collimation and beam expansion system for deep ultraviolet lithography. The system comprises a first cylindrical mirror, a second cylindrical mirror, a plane mirror and a spherical mirror, wherein the spherical mirror and the first and second cylindrical mirrors form two collimation beam expanders for collimating and expanding a laser beam emitted by a laser respectively; the laser beam sequentially passes through the first and second cylindrical mirrors, then is reflected by the plane mirror, is delivered to a transmission light path through the spherical mirror, and finally enters a light source input port of a lithography machine. Compared with other systems, the laser collimation and beam expansion system is more compact in structure, suitable for mounting integration, convenient to use and low in cost, can be adapted to different transmission distances, and has low requirements on distance regulation accuracy, and distance regulation can be realized by a simple regulation device.
Owner:HUAZHONG UNIV OF SCI & TECH
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