130 results about "Cylindrical conductor" patented technology

A coaxial coupling for interconnecting two printed circuit cards, comprising an outer cylindrical conductor with assembly tabs extending from both ends into contact with the cards; an inner conductor coaxially disposed within the outer conductor with any tabs extending form both ends into contact with the cards; and tubular insulator extending through the outer conductor and holding the inner conductor in the outer conductor.

A power semiconductor device includes a power semiconductor module having cylindrical conductors which are joined to a wiring pattern so as to be substantially perpendicular to the wiring pattern and whose openings are exposed at a surface of transfer molding resin, and an insert case having a ceiling portion and peripheral walls, the ceiling portion being provided with external terminals that are fitted into, and passed through, the ceiling portion, the external terminals having outer-surface-side connecting portions at the outer surface side of the ceiling portion and inner-surface-side connecting portions at the inner surface side of the ceiling portion. The power semiconductor module is set within the insert case such that the inner-surface-side connecting portions of the external terminals are inserted into the cylindrical conductors.

A dielectrophoretic separation device includes a chamber including an inlet and an outlet disposed between the inlet and the outlet. A plurality of three dimensional electrodes are disposed in within the chamber. The electrodes may take the form of a wire or semi-cylindrical conductors disposed on a substrate. At least some of the electrodes include smooth surfaces so as to create an electric field (in response to an applied alternating current) that has a low strength in a region disposed away from the electrodes and an electric field having a high fields strength in a region between adjacent electrodes. Particulate matter or other species experiencing a positive DEP force may be separated and collected in the gaps or regions formed between adjacent electrodes.

The invention discloses a permanent magnet speed controller, which comprises a cylindrical conductor rotor, a cylindrical permanent magnet rotor and a controller, and is characterized in that: the cylindrical permanent magnet rotor is arranged in the cylindrical conductor rotor; the cylindrical permanent magnet rotor and the cylindrical conductor rotor are separated by an air gap therebetween, and rotate independently along respective rotating shafts; and the controller controls relative positions of the cylindrical conductor rotor and the cylindrical permanent magnet rotor so as to change the action area between the cylindrical permanent magnet rotor and the cylindrical conductor rotor and change the transmission torque between the cylindrical permanent magnet rotor and the cylindrical conductor rotor. Permanent magnets of the permanent magnet speed controller are arranged on an outer ring of the cylindrical permanent magnet rotor, and output power and torque higher than those of a common permanent magnet speed controller can be obtained; the moving direction of the cylindrical permanent magnet rotor on the shaft thereof is vertical to that of the magnetic force of the permanent magnets, and the controller for controlling the movement of the cylindrical permanent magnet rotor only needs small driving force; and axial additional loads are not generated nearly in the adjustment, and the permanent magnet speed controller can be well applied to transmission systems with large axial running number.

A technique is provided to reserve large examination space in the tunnel type MRI apparatus, without increasing production cost nor reducing significantly irradiation efficiency and homogeneity in an irradiation distribution within an imaging region. The present invention provides an RF coil unit in which four partial cylindrical coils are placed with a gap therebetween in the circumferential direction inside a cylindrical RF shield, in such a manner that two pairs of the partial cylindrical coils are opposed to each other, and magnetic fields produced by the individual partial cylindrical coils are combined, thereby producing a circularly polarized wave field or an elliptically polarized wave field. The partial cylindrical coil is provided with a partial cylindrical conductor, multiple first conductors substantially parallel with the central axis of the RF shield, multiple capacitors connecting both ends of the first conductors with the partial cylindrical conductor, and a second conductor adjacent to at least one of the ends of the first conductor. The partial cylindrical coils are respectively provided with high frequency signals having a desired amplitude ratio and phase difference, while a reference frequency thereof being identical.

A wiring process between the provided power semiconductor module and the external circuit is simple. In the power semiconductor module, a power semiconductor element and a cylindrical conductor are joined to one surface of a lead frame. An opening of the cylindrical conductor is exposed at a surface of transfer molding resin. Sealing with the transfer molding resin is performed such that terminal portions of the lead frame protrude from peripheral side portions of the transfer molding resin. The cylindrical conductor is conductive with a control circuit. The terminal portions of the lead frame are each conductive with a main circuit.

The invention relates to a secondary series type permanent-magnet speed governor comprising a cylindrical conductor rotor body, a permanent-magnet rotor and a regulator, wherein the permanent-magnet rotor and the cylindrical conductor rotor body are in secondary series types, and the conductor rotor can regulate an active area into 0 or 100 percent by only moving the width of a conductor in order to greatly shorten a regulation distance.

The invention discloses a permanent magnet coupling speed regulator. The speed regulator comprises a cylindrical conductor rotor, a cylindrical magnetic isolation housing, a cylindrical permanent magnet rotor and a regulator, wherein the cylindrical magnetic isolation housing is positioned between the cylindrical conductor rotor and the cylindrical permanent magnet rotor; gaps are reserved between the cylindrical magnetic isolation housing and the cylindrical conductor rotor and between the cylindrical magnetic isolation housing and the cylindrical permanent magnet rotor; the cylindrical conductor rotor and the cylindrical permanent magnet rotor independently rotate around rotation axes of the cylindrical conductor rotor and the cylindrical permanent magnet rotor respectively and the axial positions are not changed; and under the action of the regulator, the cylindrical magnetic isolation housing slides along the axial direction, so that the area of an acting magnetic field between the cylindrical permanent magnet rotor and the cylindrical conductor rotor is changed; therefore, load torque and rotation speed are changed.

The invention relates to a wireless temperature collecting system, in particular to a cylindrical conductor wireless temperature collecting system and a cylindrical conductor wireless temperature collecting method. The cylindrical conductor wireless temperature collecting system and the cylindrical conductor wireless temperature collecting method are used for measuring the temperature in a switchgear in real time. The cylindrical conductor wireless temperature collecting system comprises a bottom case, a coil, a circuit control plate, a cover plate and a temperature measuring contact. The cylindrical conductor wireless temperature collecting system and the cylindrical conductor wireless temperature collecting method have the advantages that the structure is compact; the data collecting precision is improved; and the assembling performance is good.

The invention provides a leakage detection device for a gas insulated transmission line in a cylindrical outer container which is spaced from a cylindrical conductor retained via a supporting insulator. Insulation gas is filled in insulation spaces divided by partitions, and a particle trap is arranged in the line. The leakage detection device comprises a pressure gauge arranged on the container for detecting insulated gas pressure in the transmission line, an insulated gas temperature sensor arranged in the container for detecting the temperature of the insulated gas, a controller reflecting the detection signal of the insulated gas temperature sensor on the pressure detected by the pressure gauge and determining leakage based on actual reduction of gas, and an alarm generator notifying gas leakage when controlled by the controller.

A conductive wire includes a plurality of thermoplastic filaments each having a surface, and a coating material having a plurality of carbon nanotubes dispersed therein. The coating material is bonded to the surface of each thermoplastic filament. The thermoplastic filaments having the coating bonded thereto are bundled and bonded to each other to form a substantially cylindrical conductor.

The invention relates to a safety monitoring system of tower crane, particularly to an inclination alarming device of tower crane, and belongs to mechanical and electrical equipment processing technology field. The device comprises: a closed loop formed by the electrically connection of a power supply, an inclination sensor, and a sound and light alarm, wherein the inclination sensor is vertically fixed at the part of the tower crane which needs to be monitored; the inclination sensor is an inclination triggering circuit switch, which consists of a disc-shaped conductor plumb and a cylindrical conductor internal barrel; the bottom of the conductor internal barrel is sealed and the top of the conductor internal barrel has a top cover; the top cover is connected with an insulator external barrel through cup screw threads; and the conductor plumb is hanged on the top cover through a plumb hanging string. When the inclination sensor is in a vertical state, the conductor plumb does not contact with the conductor internal barrel, the triggering switch is in off state and the alarm does not work; while the inclination sensor is inclined in any direction, the conductor plumb contacts with the conductor internal barrel, the triggering switch is in on state and the alarm works.

The invention relates to a permanent magnet speed governor with a fixed magnetic gap. The permanent magnet speed governor with the fixed magnetic gap comprises a cylindrical conductor rotor and a permanent magnet rotor inside the cylindrical conductor rotor, wherein the permanent magnet rotor comprises a driven shaft and at least one rotary permanent magnet surrounding the circumference of the driven shaft; the rotary permanent magnets are cylindrical and are divided into N poles and S poles in the diameter direction; two magnetizers are wrapped around the two sides of the rotary permanent magnets and are spaced by a non-magnetizer; each rotary permanent magnet is connected with the driven shaft through the magnetizer on the corresponding side; a magnetic circuit regulator is arranged at one end of each rotary permanent magnet. Due to the adoption of the fixed magnetic gap structure, the meshing area of the speed governor is increased greatly, the assembly difficulty is lowered, waste of rear earth materials is reduced, and the torque transmission capacity is improved greatly. In addition, the power consumption of an executing and adjusting mechanism is reduced greatly, the overall size of the speed governor is greatly decreased, material consumption is reduced, installation space is saved, and convenience is brought to on-site installation construction.

A compound plasma configuration can be formed from a device having pins, and an annular electrode surrounding the pins. A cylindrical conductor is electrically connected to, and coaxial with, the annular electrode, and a helical conductor coaxial with the cylindrical conductor. The helical conductor is composed of wires, each wire electrically connected to each pin. The annular electrode and the pins are disposed in the same direction away from the interior of the conducting cylinder.

The invention provides an electromagnetic heating roller device with a built-in coil, which comprises a roller and an electromagnetic heating coil structure component, wherein the roller is a cylindrical conductor; the electromagnetic heating coil structure component is located in the middle of the roller and is concentric with the roller, and a gap is configured between the electromagnetic heating coil structure component and the roller. The electromagnetic heating roller device has the advantages of a simple structure, convenient maintenance, low fault rate, good safety, reliability and energy-saving and environment-friendly properties.

A RF thermotherapeutic apparatus for eliminating the over-heat of subcutaneous fat during thermotherapy is composed of a RF power source, a power feeding circuit, multiple electric feeders, and a resonance cavity consisting of a metallic casing and two cylindrical conductors with opposite openings and openable bottom.

A front-accessible bus-connection mounting frame assembly in a draw out switchgear cabinet is fastened to the back wall of the breaker cabinet. The frame assembly provides for insertion and bayonet mounting of a primary bus connector's cylindrical conductor onto the mounting frame. The primary bus connector is bayonet mounted on the internal ribs of a central cylinder of the mounting frame assembly. The primary bus connector is then fixed in position by bolts front mounted down the central cylinder and out through a bus riser fitted at the back of the mounting frame assembly to establish electrical continuity. The central cylinder further provides a current transformer bushing tube around the primary bus connector and necessary flanges to mount the mounting frame assembly to the back wall and secure the current transformers around the bushing.

The invention discloses a radial foil-free diode guiding magnetic field system which mainly solves the problems that in the prior art, the difficulty of implementation of electron beam transmission guiding is large, the size is large, the weight is heavy, the power consumption is high, the manufacturing cost is high, and the technological development requirements cannot be met. The radial foil-free diode guiding magnetic field system comprises a negative pole supporting rod (1), a transmission disc, a radial transmission wire (4), a first positive pole wall (2), a second positive pole wall (8) and a third positive pole wall (9), wherein the negative pole supporting rod (1) is formed by cylindrical conductors, the position below one side of the transmission disc is connected with the negative pole supporting rod (1), the transmission disc is formed by disc conductors, the radial transmission wire (4) is located right above the transmission disc, the first positive pole wall (2) and the second positive pole wall (8) are connected to the two sides of one end, which is closest to the transmission disc, of the radial transmission wire (4) respectively, the third positive pole wall (9) is located on the outer side of the transmission disc, and one end of the third positive pole wall (9) is connected with the other end, opposite to one end connected with the first positive pole wall (2) or the second positive pole wall (8), of the radial transmission wire (4). By means of the technical scheme, the radial foil-free diode guiding magnetic field system is easy to implement, achieves the aim of meeting the technological development requirements and has the high practical value and the high promotional value.

Manufacture cost and maintenance cost of RF coils of MRI devices are reduced without any limitation concerning size of the coils. By constituting an antenna device for magnetic resonance imaging devices with a cylindrical outer conductor, a looped ribbon-shaped conductor disposed inside the cylindrical outer conductor along the cylindrical surface, and a feed point for transmission and / or reception between the cylindrical conductor and the ribbon-shaped conductor, and disposing the ribbon-shaped conductor so that length thereof can be readily adjusted, there is provided an antenna device for magnetic resonance imaging devices that generates a magnetic field component perpendicular to the central axis of the cylinder at a desired resonance frequency and shows sensitivity without using capacitors and without being imposed any limitation concerning size in the diametral direction of the cylinder.

The present invention provides a cylindrical electric absorption filtering apparatus by using activated carbon fiber as an electric absorption material, and belongs to the field of water pollution control in environment engineering. The cylindrical electric absorption filtering apparatus is provide with a liquid inlet, a liquid outlet and an electric absorption filtering component that is filled in a housing of a conductive layer, wherein the inner wall of the housing is a conductive layer. The assembly method of the inner electric absorption filtering component is as follows: a cylindrical conductor is a mandrel that is positioned in the center of the apparatus, and the activated carbon fiber is filled between the cylindrical conductor and the conductive layer, wherein the activated carbon fiber is used as a working electrode, and insulating layers are arranged between electrodes that are used as the conductive layers for the inner wall of the housing, or between the cylindrical conductor and working electrode that are in the center of the apparatus, and between electrodes. The cylindrical conductor and the conductive layer are connected with an electrode extending line respectively, the electrode extending line is extended through the housing and is sealed connection with the housing. According to the present invention, an electric absorption technology is coupled into a filter process, and the electric absorption technology is used for improving the adsorption rate and adsorption capacity of a traditional filter, and improving water purification depth.

The invention discloses a cylindrical magnetic bracket-type permanent magnet governor, which comprises a cylindrical conductor rotor, a cylindrical permanent magnet rotor and a speed regulating device, wherein the cylindrical conductor rotor comprises an outer cylinder and an inner cylinder; the inner wall of the outer cylinder is connected with an outer conductor cylinder; the outer wall of the inner cylinder is connected with an inner conductor cylinder; the cylindrical permanent magnet rotor is provided with a magnetic bracket; a circle of magnetic holes are uniformly distributed in the outer wall of the magnetic bracket; a permanent magnet is arranged in each magnetic hole; an electromagnetic valve is arranged on a base of the cylindrical permanent magnet rotor; the base of the cylindrical permanent magnet rotor is hinged with the electromagnetic valve; the cylindrical permanent magnet rotor is connected with a driven shaft; the speed regulating device is connected with one end ofthe driven shaft and the other end of the driven shaft is connected with a baffle plate; and the cylindrical permanent magnet rotor slides between the baffle plate and the speed regulating device andis prevented from colliding with the conductor rotor, and the speed regulating range can be 0-98%, so that motor can be completely separated from load. The speed regulating device is connected with the electromagnetic valve through wireless communication, so that the driving force is not needed while non-contact transmission of power is achieved.

The present invention relates to electrical devices, and more specifically to movable contact assemblies that are used in a high-voltage switch, such as a rotary contact system intended to be incorporated into the tubular conductors of a high-voltage switch, which includes: a main pin; a first assembly, consisting of a primary tubular conductor and a male cylindrical conductor; a second assembly, consisting of a secondary fitting, a secondary conductor, and a female cylindrical conductor, with the said second assembly being coupled rotatively to the first assembly by means of the main pin.

An antenna for generating electron spin radiation corresponding to a signal from a radio frequency communications device includes a substantially cylindrical conductor, a first spiral-wound flat inductor, a second spiral-wound flat inductor and a reactive element. The first spiral-wound flat inductor is wound in relation to the second spiral-wound flat inductor so that when a current flows from the first signal terminal to the second signal terminal, a first magnetic field is generated from the first spiral-wound flat inductor and a second magnetic field is generated from the second spiral-wound flat inductor. The first magnetic field is in an opposite direction from the second magnetic field. The substantially cylindrical conductor is disposed so as to intersect the first magnetic field and the second magnetic field. The antenna may also be used to receive electron spin radiation.

The invention discloses a connector used for a cable with low voltage and a large wire diameter. The connector comprises a joint body, pressing sleeves and tapered clamping blocks, wherein the joint body is a cylindrical conductor which is respectively provided with outer threads at the periphery of each of the two ends; concave holes are formed on the centers of end parts at the two ends of the joint body, and a cable joint is respectively contained in the concave hole on one end part; each of the pressing sleeves is a hollow barrel body which is provided with inner threads at two ends of the inner wall; the two pressing sleeves are respectively matched with outer threads at the two ends of the joint body; two cable joints are placed in the concave holes of the joint body after respectively passing through the pressing sleeve corresponding to each end, and are threaded and pressed with the outer threads at the two ends of the joint body by the pressing sleeves; the tapered clamping blocks are of hollow tapered structures matched with the concave holes of the joint body; the two tapered blocking blocks are clamped in the concave holes at the two end parts of the joint body after respectively penetrating through the two cable joints in a sleeved manner, and are used for clamping a cable. The connector disclosed by the invention can be used for quickly and detachably connecting the cable with the cable or terminal equipment, so that the problems that the existing cable is complex in connecting process, poor in detachable performance and poor in connecting and firming performances are solved.