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1356 results about "Metal cylinder" patented technology
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Microstrip antenna for RFID device
InactiveUS20070164868A1Low costEliminate needSimultaneous aerial operationsAntenna supports/mountingsMicrostrip patch antennaAntenna design
Microstrip patch antenna (46), feed structure (48), and matching circuit (50) designs for an RFID tag (10). A balanced feed design using balanced feeds coupled by a shorting stub (56) to create a virtual short between the two feeds so as to eliminate the need for physically connecting substrate to the ground plane. A dual feed structure design using a four-terminal IC can be connected to two antennas (46a,46b) resonating at different frequencies so as to provide directional and polarization diversity. A combined near / field-far / field design using a microstrip antenna providing electromagnetic coupling for far-field operation, and a looping matching circuit providing inductive coupling for near-field operation. A dual-antenna design using first and second microstrip antennas providing directional diversity when affixed to a cylindrical or conical object, and a protective superstrate (66). An annual antenna (46c) design for application to the top of a metal cylinder around a stem.
Owner:UNIVERSITY OF KANSAS
Semi-coaxial horn antenna
InactiveUS6538615B1Short antennas for non-sinusoidal wavesResonant antennasDielectricElectrical conductor
A semi-coaxial horn antenna transmits and receives electromagnetic waves, including impulse radio waves. The antenna includes an inner conductor that is surrounded by a cone-shaped dielectric, and an outer conductor that is conformally attached to the cone shaped dielectric. In embodiments, the inner conductor is a hollow metallic cylinder that is able to slide over a separate metal shaft, which may be part of a portable hand-tool device. The dielectric constant of the cone shaped dielectric may be selected to match a target medium. The outer conductor has a cross-section that is substantially an arc shape, and defines a sector angle phi that determines an impedance along the length of the antenna.
Owner:TDC ACQUISITION HLDG
Image forming method and dry toner therefor
InactiveUS6168894B1Conducive to preservationIncrease speedDevelopersElectrographic processes using charge patternVitrificationImaging quality
An image forming method including a new toner fixing method and toner therefor, wherein the method includes two rollers in which a toner image on an image supporting material is fixed by heating at a nipped section of the rollers, wherein one of the rollers which is a fixing roller contacting the toner image includes a metal cylinder having a thickness of not more than 1.0 mm, and the fixing pressure of the two rollers is not more than 1.4x105 Pa, and wherein the toner contains resins including two polyester resins, (A) and (B), and the polyester resin (B) includes discrete domains of the polyester resin (A) which has higher glass transition Tg and higher molecular weight than those of the polyester resin (B) and includes a component insoluble in tetrahydrofuran, and wherein the developed image can be fixed at relative low temperature and in wide temperature range, and the fixed image has excellent image quality and preserving property.
Owner:RICOH KK
Low-profile broadband dual polarization omni-directional antenna
ActiveCN104103900ALow costEase of mass productionRadiating elements structural formsAntennas earthing switches associationDirectional antennaCoaxial line
The invention discloses a low-profile broadband dual polarization omni-directional antenna. The antenna comprises a vertical polarization monopole antenna and a horizontal polarization loop antenna which are arranged side by side, and the loop antenna is composed of four rotational symmetric arc-shaped dipoles. A metal cylinder wraps a monopole feed probe to increase the monopole bandwidth, and parasitic units and directors are loaded outside dipole arms to increase impedance bandwidth of the loop antenna and gain out-of-roundness of the loop antenna on azimuth planes is reduced. The low-profile broadband dual polarization omni-directional antenna basically comprises an upper medium plate (1), a lower medium plate (2), plastic screws (3), a round patch (4), a loop patch (5), the feed probe (6), the metal cylinder (7), a metal floor (8), metal short circuit columns (9), arc-shaped printed dipoles (10), L-shaped feed baluns (11), the parasitic units (12), the directors (13), a coaxial line (14), 100 ohm microstrip lines (15) and a small metal wafer (16).
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
High-frequency electrodeless fluorescent lamp
InactiveUS6081070AHigh magnetic fieldTotal current dropDischarge tube luminescnet screensElectric discharge tubesNoble gasInductively coupled plasma
An electrodeless fluorescent lamp and fixture which operates at the frequency range of 50-1000 KHz and power from 20 to 200 W is disclosed. The lamp includes a bulbous envelope (1) filled with rare gas and metal vapor and a reentrant cavity (5). The inner walls of the envelope are coated with phosphor (2) and a protective coating (3). An induction coil (9), made from multiple strands of wire having very low resistance at frequencies below 1000 KHz, together with a ferrite core (10), having high permeability and low power losses, generates an inductively-coupled plasma in the envelope volume. The plasma generates visible and UV radiation that is converted into visible light by the phosphor coated on the envelope walls. A metallic cylinder (13), placed inside the ferrite core (10), removes the heat generated by the plasma from the coil and ferrite core and redirects the heat to the lamp base and thence to the lamp fixture. The power efficiency of the lamp operated at frequencies 200-300 KHz and its efficacy are the same as those in electrodeless RF lamps operated at frequencies of 2.65 MHz and at 13.56 MHz.
Owner:MATSUSHITA ELECTRIC WORKS LTD
Integrated mobile communication antenna
ActiveUS7170464B2Small sizeReduce electromagnetic interferenceAntenna supports/mountingsAntenna earthingsElectrical connectionIntegrated antenna
An integrated antenna for mobile communications. A short-circuiting metal cylinder is provided in the antenna for arranging other functional modules such that the antenna and related circuits may have better integration. The provided antenna includes a ground with a via-hole; a radiating member arranged on the ground and having a feeding portion for receiving signals via electrical connection through the via-hole; and a short-circuiting member having a space, a first end of which is electrically connected to the ground substantially vertically, and the other end of which is electrically connected to the radiating member. The radiating member further includes a first sub-radiating member, a second sub-radiating member and a third sub-radiating member. The first sub-radiating member is substantially triangular, and the second sub-radiating portion is substantially parallel to the ground. The third sub-radiating member is substantially parallel to the first sub-radiating member.
Owner:IND TECH RES INST
Spiral-like metal chiral metamaterial circular polarizer
InactiveCN104865628AWide working bandCircular polarization is smallPolarising elementsMicro structurePolarizer
The invention discloses a spiral-like metal chiral metamaterial circular polarizer, which comprises a substrate, a transparent dielectric space layer firmly combined with the substrate and a spiral-like metal chiral micro structure array embedded in the transparent dielectric space layer, wherein the micro structure array comprises N periodically-arranged micro structure units, and N is more than 1 but no more than 106; the micro structure unit comprises m vertically-stacked metal arcs with the same size and with an angle of theta, the metal arcs are arranged rotarily around the same center, upper-layer metal arcs rotate for an angle of theta in relative to lower-layer metal arcs, theta is no less than 10 DEG but no more than 180 DEG, m is no less than 360 / theta+1 but no more than 10, and tail ends of the upper-layer metal arcs and the lower-layer metal arcs are connected via metal cylinders to form a spiral-like shape. Compared with the traditional circular polarizer, the size is small, the waveband is wide, the extinction ratio is high, manufacturing of a micro circular polarization array can be realized, integration with a linear polarization structure uniwafer is even realized, a core polarization device is provided for full-Stokes vector real-time polarization imaging, and the spiral-like metal chiral metamaterial circular polarizer can be applied to fields such as polarization imaging detection, display and laser.
Owner:SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
Test device for evaluating well completion manner of coal bed methane
The invention relates to a test device for evaluating a well completion manner of coal bed methane. The test device comprises a well completion manner simulation model system which is arranged in a constant-temperature box; the well completion manner simulation model system consists of a core holder and a well completion model which is arranged in the core holder; the core holder comprises a metal cylinder with both sealed ends; a gas-liquid inlet is arranged at one sealed end of the metal cylinder, and a gas-liquid outlet is arranged at the other sealed end of the metal cylinder; a cylindrical rubber sleeve with both opened ends is sleeved in the metal cylinder; the well completion model comprises a cylindrical raw coal core which is arranged in the cylindrical rubber sleeve; a well completion simulation sheet provided with a through cutting seam or a through hole is adhered to the end face opposite to the gas-liquid outlet of the raw coal core; a gas-liquid pressurized injection system and an inlet pressure sensor are connected with the gas-liquid inlet of the core holder; the gas-liquid outlet is connected with a coal powder collecting and metering system and an outlet pressuresensor; and the core holder is connected with a loading device which is used for loading a confining pressure to the well completion model inside the metal cylinder.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
Machine for comprehensive treatment of kitchen wastes
InactiveCN101912867AChange operating conditionsEasy to useSolid waste disposalLavatory sanitoryOil waterDrive motor
The invention provides a machine for comprehensive treatment of kitchen wastes, which belongs to the technical field of treatment of kitchen wastes. The machine comprises a stand, an automatic feeding device, a material crushing device, a spiral dehydrating device, a drying and sterilizing device, an oil and water separating device, an operating system and a driving motor, wherein the material crushing device comprises a spiral crushing shaft with blades and can be used for fully crushing kitchen wastes; and the drying and sterilizing device comprises a metallic cylinder with a spiral shaft, and an electromagnetic coil and an exhaust hole are arranged outside the metallic cylinder. The kitchen wastes are automatically fed to be crushed, dehydrated, dried, sterilized and subjected to oil and water separation; the machine is controlled by the operating system, can be used very conveniently, and saves the labor; operating conditions of classified treatment of the wastes are effectively changed, and the treated grease and residues can be recycled as resources; and the invention makes the best use of things, realizes the reasonable recycling and has very strong practicability.
Owner:林敏 +1
Device for on-line detecting airtightness of bottle seal
InactiveCN101201289AHigh detection sensitivityInterval positioningMeasurement of fluid loss/gain rateEngineeringBottle
The invention provides a device for on-line detection of the sealability of bottles, which comprises a locating conveying mechanism arranged on a lower table top on a chassis, a plurality of suction pressure detection mechanisms arranged on the locating conveying mechanism and an elevating mechanism for the suction pressure detection mechanisms. The positioning conveying mechanism comprises a conveyer belt which is arranged across a slideway as a whole and can shuttle under the action of a pusher. A plurality of partitioning locating pieces are arranged on the scraping belt of the conveyer belt. The conveyer belt is driven by a motor, and a moving guardrail is arranged on the position of the conveyer belt relative to the locating conveying mechanism. Each of the suction pressure detection mechanism comprises a metal cylinder, the wall of which is thick to some extent; the foundation ring plane of the metal cylinder is level, and is provided with an air leakage resistant seal ring; a universal thrust structure for a ball joint is arranged on the top of the cylinder. The elevating mechanism is used to adjust the suction pressure detection mechanisms to the positions suitable for detection. The invention can detect the airtightness of a plurality of bottles which have been packaged and sealed automatically, quickly and very efficiently, and determine whether the bottles are acceptable, and remove the acceptable bottles from the packaging linkage line.
Owner:SHANGHAI HENGYI PHARMA EQUIP
Method of Producing Polarizing Plate, Polarizing Plate, and Liquid Crystal Display
Disclosed is a method for producing a polarizing plate including the steps of: laminating a polarizing plate protective film A on one side of a polarizer; and laminating a polarizing plate protective film B on the other side of the polarizer, wherein the polarizing plate protective film B contains a noncrystalline polyolefin resin; and the polarizing plate protective film A is a solidified film produced in such a manner that a melted film prepared by extruding a melted substance containing a cellulose resin from a die is conveyed while pressed against a cooling roll by a touch roll so as to have a draw ratio of 10 to 30 and to be solidified on the cooling roll, provided that the touch roll has an outer metal cylinder, an inner metal cylinder and a space formed therebetween for accommodating a cooling medium.
Owner:KONICA MINOLTA OPTO
Jagged annular needleless static spinning device and application method thereof
ActiveCN105506758ARealize automatic supplyEasy to operateFilament/thread formingCollection systemElectrospinning
The invention relates to a jagged annular needleless static spinning device and an application method thereof. The device comprises a liquid supply system and a nanofiber collection system. The liquid supply system is in the structure of a communicating vessel composed of a liquid storage bottle and a jagged annular needleless sprayer. The jagged annular needleless sprayer is in the gap structure composed of an outer annular liquid groove and an inner annular liquid groove. The center of the bottom of the outer annular liquid groove is provided with a metal pipe. The center of the bottom of the liquid storage bottle is connected with one end of a liquid guide pipe, the other end of which is connected with the metal pipe. The liquid guide pipe is provided with a switch. By turning off the switch on the liquid guide pipe, a proper amount of polymer solutions is added into the liquid storage bottle. By turning on the switch, polymer solutions flow into the annular gap formed by the jagged outer annular liquid groove and the inner annular liquid groove. By adjusting the height of the liquid storage bottle, polymer solutions can overflow the annular gap. By turning on a motor, a metal cylinder is guaranteed to normally rotate at the certain speed. By turing on a high-voltage power supply, voltage is slowly increased. The jagged annular needleless static spinning device and the application method thereof help to achieve automatic supply of solutions to the sprayer and operation is performed conveniently.
Owner:DONGHUA UNIV
Charging device, and process cartridge and image forming apparatus including the charging device
ActiveUS7062194B2Material efficiencyQuality improvementElectrographic process apparatusDevelopersDrive shaftImage formation
Owner:RICOH KK
Metal barrel flanging device
The invention discloses metal cylinder flanging equipment, comprising a working platform; the working platform is provided with a cylinder locating component, an arc flanging component and a driver; the cylinder locating component comprises a rotating shaft, a cylinder circle-expanding mold, a swaging tray and a locking device; the rotating shaft is connected with the driver in a transmission way and fixed with the cylinder circle-expanding mold; the swaging tray is arranged above the cylinder circle-expanding mold and provided with the locking device; the arc flanging component comprises a rotating flanging mold which is vertically fixed on the working platform and the section of the flanging mold is round and the two longitudinal sidelines of the mold are hyperbola. In the proposal, the location of a cylinder fixes a metal cylinder and drives the metal cylinder to rotate at the same time; when the metal cylinder rotates, the inside toward the end opening is in contact with the flanging mold and the arc extension of the metal cylinder edge is realized. Therefore, the labor intensity of workers is reduced, and the productivity, the product precision and the yield are promoted.
Owner:SHANGYU MINGXIN FANS
Compressed gas cylinder having conductive polymeric foot ring
A compressed gas cylinder assembly is disclosed which includes a metallic cylinder body having an upper end portion with handles and a flow control valve, and a lower end portion with a convex surface from which depends a lower support ring. A non-conductive annular collar surrounds the lower support ring of the cylinder body, and a conductive foot ring connects the annular collar to the lower support ring of the cylinder body, providing a conductive path to ground for the metallic cylinder body.
Owner:AMTROL LICENSING INC
Microstrip antenna for RFID device
ActiveUS20110291836A1Low costEliminate needElectric signal transmission systemsDigital data processing detailsMicrostrip patch antennaAntenna design
Microstrip patch antenna (46), feed structure (48), and matching circuit (50) designs for an RFID tag (10). A balanced feed design using balanced feeds coupled by a shorting stub (56) to create a virtual short between the two feeds so as to eliminate the need for physically connecting the substrate to the ground plane. A dual feed structure design using a four-terminal IC can be connected to two antennas (46a,46b) resonating at different frequencies so as to provide directional and polarization diversity. A combined near-field / far-field design using a microstrip antenna providing electromagnetic coupling for far-field operation, and a looping matching circuit providing inductive coupling for near-field operation. A dual-antenna design using first and second microstrip antennas providing directional diversity when affixed to a cylindrical or conical object, and a protective superstrate (66). An annular antenna (46c) design for application to the top of a metal cylinder around a stem.
Owner:UNIVERSITY OF KANSAS
Annular-array ultrasonic endoscope probe, preparation method thereof and fixing rotating device
ActiveCN102793568ASolve the fragileAvoid problems such as easy breakageSurgeryEndoscopesCoaxial cableMechanical engineering
Owner:THE HONG KONG POLYTECHNIC UNIV
Multifunctional triaxial core clamping device
InactiveCN101701887ASimple structureEasy to operateMaterial strength using tensile/compressive forcesPermeability/surface area analysisEngineeringMetal cylinder
The invention discloses a multifunctional triaxial core clamping device, mainly comprising a main body, an upper end cover, a lower end cover, hydraulic bags, rubber magnet, a liquid flow plug, a strain indication rod, an optical fiber tube and a bracket. The main body is a metal cylinder; the center of the main body is provided with a through hole; four opposite grooves are arranged on the periphery of the through hole and internally provided with the hydraulic bags; the central position in the middle part on the bottom surface of each groove is provided with a test hole which is internally provided with the strain indicating rod of a rubber tube arranged through the middle part; the central position of the lower part of the test hole is provided with a hydraulic bag connector hole whichis internally provided with a hydraulic bag connector; the upper end cover and the lower end cover are arranged at the upper end and the lower end of the main body and mutually connected by bolts; square grooves are symmetrically arranged in the centers of the upper end cover and the lower end cover and internally provided with end face hydraulic bags; the bottom surfaces of the grooves are vertically provided with two upward through holes, wherein one hole positioned in the center is the test hole which is internally provided with the strain indicating rod; the other hole is the hydraulic bag connector hole which is internally provided with the hydraulic connector; and a core is arranged in the main body which is arranged on the bracket through a rotating shaft.
Owner:青岛石大石仪科技有限责任公司
Electric drive
InactiveUS6940200B2Simplify the manufacturing processSmall device sizeMagnetic circuit rotating partsMechanical energy handlingWave shapeConductor Coil
The invention refers to magnetoelectric machines and comprises a rotor made in the form of at least two disks, the magnetized disks have circumferential arrayed like poles and an axially magnetized polygon or cylindrical magnet placed between the disks. The stator comprises a winding selected from the group consisting of a coil winding and a wave winding coils that are distributed over the circumference and are installed predominantly in the space between the rotor poles provides for the possibility of the end face interaction with the rotor poles. Each of at least two disks could be made of a non-ferrous material with embedded magnets, and rotor further comprises ferrous metal plates, each of the plates is attached on an outer surface of each disk and comprises a ferrous metal cylinder for interconnecting a magnetic flux between ferrous metal plates. The rotor could be made as a multi-sectional unit. The disks could be made integral with a magnet in such a manner that they serve as magnet's poles. It becomes possible to reduce the radial size of the device. A plate-like shape of the disks makes it possible to optimize the size of the device depending on the magnet and stator used, required power and the size of a device, in which this electric drive is supposed to be mounted.
Owner:ADVANCED ROTARY SYST
Atmosphere plasma cylindrical microwave excitation cavity
InactiveCN101378616AReduce microwave lossImprove conversion efficiencyElectric discharge tubesPlasma techniqueElectrical conductorCoaxial line
The invention belongs to the field of microwave plasma excitation technique and relates to an excitation chamber without an igniter or ignitor under atmosphere pressure. The excitation chamber comprises a cylindrical resonator which works under a TM<010> mode, an input waveguide and a flange; the cylindrical resonator consists of a cylinder (1), a chamber top cover (2) and a chamber bottom cover (3); the side wall of the cylinder (1) is opened with a micro-wave coupling window (9); a metal cylinder (4) is arranged above the central round hole of the chamber top cover (2); a coaxial external conductor (5) is arranged below the central round hole of the chamber bottom cover (3); the bottom of the coaxial external conductor (5) is provided with a short circuit board which is provided with holes at the center while the bottom of the side wall is provided with a tangent air inlet (7); and the coaxial external conductor (5) is internally provided with a coaxial hollow internal conductor (6) by the central holes. The excitation chamber has low microwave consumption and high conversion efficiency, can excite the atmosphere plasma torch in the chamber without the need of igniters or ignitors under smaller micro-wave powers and can be used for various microwave industries, more specially as the boiler igniter.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Stirling cycle engine
A stirling cycle engine whose cylinder, including a mount, can be easily fabricated and securely attached. The stirling cycle engine of the invention comprises a casing having a cylindrical portion 2; a metallic cylinder 7 coaxially inserted into the cylindrical portion 2 of the casing 1; a piston 15 inserted into the cylinder 7; a drive mechanism 16 for reciprocally driving the piston 15; and a mount 28 which is attached to an outer periphery of the cylinder 7 for fixing the cylinder 7 to the casing 1 and retaining the drive mechanism 16. The mount 28 is made of a material of low heat conductance, constructed separately from the cylinder 7. The mount 28 is attached to the outer periphery of the cylinder 7. Thus, the easier working thereof is resulted, so that the working time is shortened, to thereby improve productivity, and reduce working costs. Further, The heat from the drive mechanism 16 is less likely to transfer to the cylinder 7 via the mount 28.
Owner:TWINBIRD CORP
On-line measurement digital sensing device for grain depot foodstuffs temperature and moisture
ActiveCN101285720AAccurate measurementReasonable structureThermometers using electric/magnetic elementsUsing electrical meansCapacitanceElectrical resistance and conductance
The invention relates to the grain bin grain temperature and moisture detection field, in particular to a digital sensing device for carrying out on-line grain temperature and moisture measurement in a grain bin. The sensing device solves the problem that the prior grain situation measuring and controlling system can not simultaneously carry out the accurate on-line grain temperature and moisture measurement; the device comprises a tensile wirerope, a plurality of grain temperature and moisture sensors which are fixed along the tensile wirerope and connected in parallel with each other and a plastic cladding externally wrapped on the tensile wirerope and the grain temperature and moisture sensors; the digital signal transmission lines of all the grain temperature and moisture sensors are connected with each other. Each grain temperature and moisture sensor comprises a hard plastic tube with an in-built thermistance and a metal cylinder respectively sleeved and fixed on two ends of the hard plastic tube to form a detecting capacitor; the hard plastic tube is provided with a measuring circuit inside for measuring the variable quantity of the detecting capacitor and the thermistance. The digital sensing device has reasonable structure and low manufacturing cost, adopts a digital transmission mode and can carry out the accurate on-line grain temperature and moisture measurement in the grain bin.
Owner:合肥弘恩机电科技有限公司
Method for testing capacitive touch screens and testing equipment thereof
The invention provides a method for testing capacitive touch screens, comprising a novel method for integrated circuit (IC) function test, power consumption test, short circuit test and open test. The invention also provides testing equipment for capacitive touch screens, comprising a screen testing plate and a circuit detecting plate. The screen testing plate comprises a metal cylinder and a screen positioning groove; the metal cylinder is closely pressed against the screen testing plate and two ends of the metal cylinder are respectively placed at two sides of the screen positioning groove; the circuit detecting plate comprises a power supply module, a liquid crystal display (LCD) display module, a power consumption detecting module, a testing plate connecting terminal, a microprogrammed control unit (MCU) control module and an IC chip module. The testing plate connecting terminal is connected with a testing interface of the screen testing plate. The method and the equipment which integrate the short circuit test, the open test, the IC function test and the power consumption test can be used for detection of multiple performances and lines of capacitive touch screens; and the metal cylinder is used for simultaneous one-time detection for a row of sensors, which greatly enhances detection efficiency.
Owner:东莞通华液晶有限公司
Metallic cylinder head gasket
InactiveUS20090066036A1Improve sealingSolution to short lifeEngine sealsSealing arrangements for enginesEngineeringActive layer
A metal gasket has at least two metal layers having an aligned fluid-conveying opening. One of the metal layers includes a carrier layer and an active layer. The active layer has a raised metal sealing bead circumscribing the opening. The carrier layer and the active layer are at least partially coplanar and are spaced from one another within the plane by at least one cut-out region between the carrier layer and the active layer. The cut-out region allows the active layer to move out of the plane of the carrier layer, and thus, the active layer is able to self-adjust for sealing engagement between opposing surfaces in assembly and during use.
Owner:FEDERAL MOGUL WORLD WIDE LLC
Egg freezing and storing tool and method
ActiveUS7316896B2Animal reproductionBioreactor/fermenter combinationsMetal cylinderMechanical engineering
An egg freezing and storing instrument has an egg freezing and storing tube made of a liquid nitrogen-resistant material; and a metal cylindrical protection member for protecting the tube. The tube has a body part; and an egg-storing small-diameter part having an inner diameter of 0.1 mm to 0.5 mm. The tube can be heat-sealed at a front side of the small-diameter part and at a rear side of the body part. The cylindrical protection member has a tubular part for accommodating a front side of the small-diameter part of the tube; and a semi-tubular part for accommodating a portion of the small-diameter part not accommodated in the tubular part and a front portion of the body part.
Owner:KITAZATO BIOPHARMA CO LTD
Metal surface combustor and gas premixing method thereof
InactiveCN105546533AShorten the mixing distanceImprove mixing uniformityGaseous fuel burnerCycloneCylindrical channel
The invention discloses a metal surface combustor and a gas premixing method thereof, solves the technical problem that the combustor can uniformly mix gas with combustion air in a shorter premixing channel, and belongs to the technical field of combustion of metal surface combustors. The metal surface combustor is characterized in that a metal throat is a cylindrical channel; the outer side surface is connected with a boiler front wall; one part extending into a hearth is an end-sealed microhole metal cylinder; the other end is connected with an air pipe as a whole; multiple gas spray guns and multiple cyclone blades are arranged at the tail end of the gas pipe in sequence; the gas uniformly enters the throat by spray holes in the gas spray guns and gas pipe holes in the gas pipes; meanwhile, the combustion air and the gas are hedged and uniformly mixed in the throat; and under stirring of the cyclone blades at the end part of the gas pipe, the uniform mixing is further accelerated, so that the mixing distance is shortened, the flame temperature nonuniformity caused by nonuniform gas mixing is effectively prevented, and the NOx emission is reduced.
Owner:新疆海天祥瑞环保工程有限公司
Multi-dimensional collision energy consumption mass pendulum damper
ActiveCN102936926AReduce vibration responseSolve the problem of structural earthquake resistance and wind resistanceShock proofingEnergy absorptionEngineering
The invention discloses a multi-dimensional collision energy consumption mass pendulum damper which consists of a mass ball, a steel cable, a metal cylinder and a viscose elastic material layer, wherein the metal cylinder is an inverted cylinder opening vertically downward; the mass ball, the steel cable and the viscose elastic material layer are all located in the metal cylinder; the mass ball and the steel cable are located in the middle of the metal cylinder; the upper end of the steel cable is fixedly connected with a cylinder bottom plate of the metal cylinder; the lower end of the steel cable is fixedly connected with the mass ball; the mass ball is suspended in the metal cylinder; the viscose elastic material layer is attached to the inner wall of the metal cylinder; and the viscose elastic material layer is arranged in a position capable of enabling collision with the mass ball when the mass ball swings in the metal cylinder so as to realize energy absorption, energy consumption and shock absorption. The damper disclosed by the invention can reduce the vibration reaction of the structure and solve the problem of the structure in seismic resistance and wind resistance.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID +1
Magnetic rotary die
InactiveUS20050045005A1DifferencePrevent creepStock shearing machinesMetal working apparatusNeodymium magnetKnife blades
A rotary cutting die which is mountable on a metal cylinder. The rotary cutting die includes a rotary die plate having a concave, inner surface which is magnetically attractable and magnetically mountable on a metal cylinder. A cutting blade is mounted on a concave, outer surface of the die plate. Connectors may be engaged with the cutting blade and the die plate. A plurality of magnetic elements, such as neodymium magnets, are in the rotary die plate. The magnetic elements make the inner surface of they die plate magnetically attractable to the metal cylinder, thereby providing that the rotary cutting die is mountable on the metal cylinder without having to use screws, clamps or other mechanical holding devices. To prevent creep of the cutting die during operation, a magnetic member, such as a rubber magnet, may be magnetically mounted on the die cylinder, against the die plate.
Owner:PAPER BENDERS SUPPLY
Multi-purpose solid propeller with adjustable propelling force
The invention discloses a multi-purpose solid propeller with adjustable propelling force. The multi-purpose solid propeller comprises electric-control solid propellant units, an outer electrode, innerelectrodes, an insulating layer, a heat-insulating layer, a combustion room and a spray tube, wherein the outer electrode is arranged in the combustion room; the outer electrode is uniformly distributed with a plurality of circular-hole spaces on the basis of one integral metal cylinder for separately placing the plurality of circular tube shaped electric-control solid propellant units; each inner electrode consists of a plurality of metal cylinders which are separately embedded into the corresponding circular tube shaped electric-control solid propellant units; and each electric-control solid propellant unit is in tight contact with the outer electrode and the corresponding inner electrode. According to the multi-purpose solid propeller disclosed by the invention, each inner electrode isconnected with the outer electrode to form a control circuit, and each circuit is controlled to open and close, so that ignition, combustion and flameout of each electric-control solid propellant unit are controlled. Voltages at the two ends of each inner electrode and the outer electrode are controlled, so that a combustion rate of each propellant unit is controlled, and therefore, in each working pulse, propelling force of the propeller is adjustable.
Owner:HUBEI INST OF AEROSPACE CHEMOTECH
Modular hybrid electric vehicle rotor hub
A rotor hub includes a sheet metal cylinder including spline teeth including angularly spaced crests and valleys, a tube surrounding the cylinder, secured to the crests and supporting a rotor thereon, a hub secured to the cylinder and supported for rotation, a torque converter, and a flex plate secured to the hub and the torque converter.
Owner:FORD GLOBAL TECH LLC
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