1348 results about "Metal cylinder" patented technology

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.

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.

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.

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).

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.

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.

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.

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.

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.

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.

A charging device including a charging roller having a metallic cylinder with an elastic layer disposed thereon, and a cleaner for cleaning the surface of the charging roller. The cleaner includes a driving shaft and a cleaning roller rotatably mounted on the driving shaft. The cleaning roller is made of a non-cellular foam resin having a density of from 5 to 15 kg/m³ and a tensile strength of from 1.2 to 2.2 kg/cm².

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.