Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

341results about "Electromagnets" patented technology

Nonlinear impact magnet based on nanocrystalline magnetic material and matched power supply system

The invention belongs to the technical field of particle accelerators, and discloses a nonlinear impact magnet based on a nanocrystalline magnetic material and a matched power supply system. The nonlinear impact magnet comprises a magnetic core and a magnet exciting coil assembly, the magnetic core comprises magnetic poles and a magnetic yoke; the magnetic pole and the magnet yoke are both of a fully-symmetrical annular structure, and the magnet yoke is arranged on the periphery of the magnetic pole. The magnetic pole comprises N same magnetic pole units, N is 4, 6 or 8, and the magnetic pole is made by laminating nanocrystalline strips; and the excitation coil assembly is wound outside each magnetic pole unit. Compared with a traditional silicon steel sheet or ferrite magnetic core, the magnet provided by the invention can improve the uniformity of a magnetic field, and the magnetic pole made of the nanocrystalline strip with ultrahigh magnetic conductivity and low coercive force has stronger magnetic field uniformity and low disturbance characteristic; and the design requirement of the STCF clash ring off-axis injection system for low disturbance of the circulating beam bunch can be better met.
Owner:HUAZHONG UNIV OF SCI & TECH

Electric cabinet and control method

The invention relates to an electric control box which is installed on a supporting platform, a first electromagnetic part and a plurality of fixing parts are arranged on the supporting platform, the electric control box comprises a supporting cylinder, a box body, a locking part, a locking part controller, a second electromagnetic part, a detection sensor and a plurality of fixing guiding parts, and the supporting cylinder is fixed to the supporting platform; the fixing pieces, the first electromagnetic piece and all the fixing pieces are arranged on the supporting platform in the supporting cylinder; the projection position of the box body is located in the projection position of the supporting cylinder, and an interval is arranged between the projection position of the outer wall of the box body and the projection position of the inner wall of the supporting cylinder. The plurality of fixed guide pieces are positioned on the periphery of the bottom of the box body, and each fixed piece penetrates through one corresponding fixed guide piece and is fixed with the locking piece; and the locking piece controller is movably connected with the locking piece. The electric control box can automatically suspend when being vibrated, so that internal elements are prevented from being damaged.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Method for recycling an aerosol generating article

A method is provided for recycling an aerosol generating article comprising a non-liquid aerosol generating material and an inductively heatable susceptor. The method comprises a first step of shredding the aerosol generating article to break up the non-liquid aerosol material and the inductively heatable susceptor. The method comprises a second step of separating the inductively heatable susceptor and the non-liquid aerosol generating material.
Owner:JT INTERNATIONAL SA

Spool position estimation apparatus, aircraft hydraulic actuator apparatus, spool position estimation method, and spool position estimation program

A position estimation apparatus includes: a supplying unit that supplies a high-frequency signal Sh to a solenoid for driving a spool of an electromagnetic valve; an acquisition unit that acquires electrical information Je related to the solenoid supplied with the high-frequency signal Sh, and an estimation unit that estimates a position of the spool based on a result of comparison between the electrical information Je acquired by the acquisition unit and the high-frequency signal Sh supplied from the supplying unit.
Owner:NABTESCO CORP

Electromagnet with quick response function

The utility model discloses an electromagnet with a quick response function, which comprises an electromagnet main body and a movable iron core arranged on the electromagnet main body in a sliding manner, and the movable iron core is driven by a driving assembly arranged in the electromagnet main body; a circuit box is arranged on one side of the electromagnet body, a circuit board is quickly connected into the circuit box, a resistor component and a capacitor component are fixedly arranged on the circuit board, a through hole is further formed in the circuit box, a wire matched with the through hole is arranged in the through hole, one end of the wire is electrically connected with the circuit board, and the other end of the wire is electrically connected with the circuit board. And the other end is electrically connected to the driving assembly. The electromagnet has the advantages that the electromagnet is exquisite in design and reasonable in layout, the reaction time of the electromagnet can be greatly prolonged through the circuit board, the electromagnet body does not need to be rectified and modified, time and labor are saved, cost is greatly reduced, in addition, the electromagnet is compact in structure and convenient to disassemble, replace and overhaul, work efficiency is greatly improved, and the electromagnet is suitable for popularization and application. And the method has relatively wide applicability.
Owner:KENDRION ELECTROMAGNETIC TECH SUZHOU

Tandem type impact magnet device

The invention belongs to the technical field of synchrotron radiation light sources, and discloses a serial impact magnet device which comprises a shell assembly, a positive pulse electrode, a negative pulse electrode and a strip magnet. The shell assembly comprises a shell body and a side end cover which are detachably connected, and a magnetic core space is formed between the shell body and the side end cover. The positive pulse electrodes extend into the magnetic core space and are arranged at intervals. The negative pulse electrodes extend into the magnetic core space and are arranged opposite to the positive pulse electrodes, and the multiple negative pulse electrodes are arranged at intervals. The strip magnets are arranged in the magnetic core space, the strip magnets are connected between every two adjacent positive pulse electrodes, the strip magnets are connected between every two adjacent negative pulse electrodes, and the two strip magnets are spaced from each other to form a magnetic field space. The electron beam current can be transmitted in the magnetic field space. The tandem impact magnet device can improve the compact degree and the vacuum degree, facilitates the assembly of an internal structure, and can meet the injection requirements of electron beams of a synchrotron radiation light source.
Owner:CHINA SPALLATION NEUTRON SOURCE SCI CENT +1

Guide rail pair applied to high-reliability transmission device

The invention relates to the technical field of precision mechanical transmission, in particular to a guide rail pair applied to a high-reliability transmission device, which comprises a stator module, a rotor module, a cooling module and a control and drive module, and is characterized in that the stator module comprises an annular track, the annular track is of a hollow structure and comprises at least two sliding blocks sleeved on the annular track; electromagnets are tightly arranged on the top, the left side and the right side of the annular track in the circumferential direction, the sliding blocks are of an n-shaped structure, permanent magnets are installed on the bottom and the two sides of each sliding block, and the control and drive module comprises a suspension and guide controller, a servo drive controller and a safety monitoring unit. Mechanical friction and abrasion are fundamentally eliminated, the theoretical service life is infinitely long, real high-reliability transmission is achieved, friction is avoided, a system can reach the extremely high rotating speed, meanwhile, vibration and hysteresis of a traditional bearing are avoided, and nano-scale movement precision can be achieved by combining closed-loop control.
Owner:ZHEJIANG JINGRUI INTELLIGENT TRANSMISSION CO LTD

Electromagnetic solenoid based on composite conduction

The utility model discloses an electromagnetic solenoid based on composite conduction, which relates to the technical field of electrical connection and comprises a framework and a coil wound on the framework. The lug plate is fixed at one end of the framework and is used for being welded with an outgoing line of a coil; the elastic sheet is fixed at one end of the framework and is used for being electrically connected with external equipment; the elastic sheet is provided with a first contact and a welding surface, and the elastic sheet is in local extrusion contact with the lug plate through the first contact and is in local welding connection with the lug plate through the welding surface. By adopting the scheme, the wiring sheet can be prevented from circuit break failure caused by pseudo soldering and solder skips through a composite mode of combining extrusion contact conduction and welding connection conduction.
Owner:MIANYANG FULIN PRECISION MACHINING

Magnetic field generation frame

The utility model discloses a magnetic field generation frame, which relates to the technical field of magnetic field generation equipment and comprises a frame body and a protection box mounted at the upper end of the frame body. A protection box is rotatably mounted at the left end of the left side of the front end of the protection box, a heat dissipation hole is formed in the right end of the protection box, a heat dissipation mechanism is arranged at the right end of the protection box, a heat dissipation shell is arranged at the right end of the protection box, and the heat dissipation shell is mounted on the outer side of the heat dissipation hole. The magnetic field generation equipment in the protection box can generate heat, the heat is dissipated through the heat dissipation holes in the two sides of the protection box, then the heat is adsorbed and dissipated by the heat conduction plate in the heat dissipation shell and conducted to the right end of the heat conduction pipe, the heat is dissipated through the electronic heat dissipation plate and the heat dissipation coating, the electronic heat dissipation plate is promoted to dissipate the heat, and the heat dissipation effect is good. Therefore, the heat in the magnetic field generating equipment can be dissipated, the heat generated in the instrument can be dissipated timely and efficiently, and the magnetic field generating equipment is ensured to work in a proper temperature environment all the time.
Owner:SHANGHAI FULIN TESTING TECH CO LTD

Method of fabricating an inductor device

A method of fabricating an inductor device includes preparing a conductive coil, connecting two terminals to one of two ends of the conductive coil, molding a pillar from a plurality of first composite material powders by a pressing process where each first composite material powder is composed of a first magnetic material powder coated with a first thermosetting resin, placing the pillar in a surrounding space formed by the conductive coil, molding a cladding body from a plurality of second composite powders where the second composite material powders is composed of a second magnetic material powder coated with a second thermosetting resin, heating the cladding body, the conductive coil and the pillar cladded by the cladding body such that the plurality of first magnetic material powders are bonded by the cured first thermosetting resin and the plurality of second magnetic material powders are bonded by the cured second thermosetting resin.
Owner:DARFON ELECTRONICS CORP

Intelligent control system for lifting electromagnetic chuck

The intelligent control system comprises a three-phase thyristor rectifier bridge, a sampling unit and a master controller, the input end of the three-phase thyristor rectifier bridge is connected with a three-phase alternating current power supply, and the output end of the three-phase thyristor rectifier bridge is connected with the lifting electromagnetic chuck through a switch S1 and connected with a storage battery pack through a switch S2; and the storage battery pack is connected in series with the lifting electromagnetic chuck through the IGBT power switch Q1. According to the invention, the technical problems of unreliable magnetic retention intervention, uncontrollable magnetic force, logic conflict risk, huge volume, storage battery maintenance deficiency and the like of a traditional discrete system are solved, seamless switching between magnetic retention and excitation is realized, and accurate magnetic force control under all working conditions and intelligent maintenance of a storage battery in a full life cycle can be realized; the device has the advantages of high safety, strong reliability, compact structure, low cost and the like.
Owner:SHANGHAI EECTRL ELECTRIC

An electric permanent-magnetic-electromagnetic hybrid adsorption optimization method for a large air gap workpiece

The present application relates to magnetic adsorption technical field, specifically to a kind of electric permanent magnet-electromagnetic hybrid adsorption optimization method for large air gap workpiece, comprising the following steps: obtaining boundary magnetic flux balance distribution diagram by regulating magnetic flux sheet contact area and generating boundary magnetic flux balance distribution diagram, generating current adjustment rate instruction set according to attitude and magnetic flux deviation, generate tail section energy release list by using residual energy matching air gap, generate adsorption force stability control results corresponding to release sequence and rate.The present application, by effectively regulating the direction of magnetic flux in the boundary area, the magnetic flux in the boundary area is kept in order, the current change rate is dynamically corrected according to the attitude and magnetic flux deviation of the workpiece, the adaptability of the magnetic flux distribution and the air gap of the workpiece is improved, the residual energy is used to delay release before power-off and match with the air gap condition, and the adsorption force is uniform, the positioning accuracy is controllable and the energy utilization is sufficient in the grabbing and positioning of curved surface workpiece.
Owner:HUNAN HONGXINGSHENG TECH CO LTD

Electromagnet

The utility model discloses an electromagnet which comprises a support body and a cover plate fixedly arranged on one side of the support body. An execution assembly is arranged in the support body, the bottom and the top of the support body are both provided with anti-seismic colloid, the bottom is further provided with a PIN terminal, the PIN terminal is electrically connected with the execution assembly, and the connecting position of the PIN terminal and the execution assembly is wrapped by an insulation connecting bridge. The execution assembly comprises a winding supporting piece, a limiting shaft sleeve, an iron core, a permanent magnet and a coil. The two ends of the limiting shaft sleeve are provided with limiting holes, and sliding limiting of the iron core is achieved through a guide block and a positioning base. The anti-seismic performance, the integration level and the installation convenience of the electromagnet can be improved, meanwhile, the leakproofness and the insulativity of the welding part are ensured, and the electromagnet is suitable for an automobile ABS system.
Owner:东莞市斯凡电子科技有限公司

Enhanced electromagnetic drive systems, devices, and methods that can generate a variety of electromagnetic fields

The present disclosure relates to an electromagnetic driving system for solving the clinical need for different magnetic field modes for assisting drug delivery, while the prior art is difficult to generate different magnetic field modes using one electromagnetic driving system. The present disclosure proposes a micro-robot magnetic manipulation system with an expandable spherical large working space, which adopts a modular mechanical design and can generate gradient magnetic fields, uniform magnetic fields, rotating magnetic fields, oscillating magnetic fields, and dispersed gradient magnetic fields in the spherical space, thereby facilitating the manipulation of the deformation and movement of micro-robots of any shape and quantity, and delivering drugs to the corresponding positions in the human body.
Owner:SHENZHEN INST OF ADVANCED TECH

Electromagnet drive control method, device and hybrid automatic transfer switch

The present invention discloses an electromagnet drive control method. Starting at time t0, when the electromagnet's DC drive power supply is turned on, the electromagnet's magnetic flux Ψ is observed in real time based on the DC drive power supply voltage. At any time t1 before reaching a preset time t2, the electromagnet's magnetic flux integral value from t0 to t1 is calculated in real time, and the magnetic flux integral value from t1 to t2 is predicted, thereby obtaining an estimated magnetic flux integral value from t0 to t2. If the estimated magnetic flux integral value is greater than or equal to a preset magnetic flux integral threshold, the electromagnet's DC drive power supply is immediately shut off. Otherwise, the electromagnet's DC drive power supply is shut off at time t2. The present invention also discloses an electromagnet drive control device and a hybrid automatic transfer switch. Compared to existing technologies, the present invention can effectively reduce the hardware circuit complexity, system cost, and volume while maintaining the performance of the hybrid automatic transfer switch.
Owner:CHANGSHU SWITCHGEAR MFG CO LTD (FORMER CHANGSHU SWITCHGEAR PLANT)

Electromagnet core for flat knitting machine

The utility model discloses an electromagnet core of a flat knitting machine, which comprises a driving part and a driving head, and is characterized in that the driving part is a cylinder, a first boss is arranged at the top of the driving part, a second boss is arranged at the upper part of the first boss, and a cavity penetrating through the first boss and the second boss is formed in the driving part; a plurality of exhaust holes are formed in the inner wall of the cavity of the driving part, one end of the driving head is a working end, the other end of the driving head is a mounting end, the diameter of the mounting end is slightly smaller than that of the working end, a groove is formed between the working end and the mounting end, and the groove is matched with the second boss. The positioning part is used for positioning the driving head in the driving part; the problem that a driving head of an electromagnet iron core of an existing flat knitting machine is disengaged can be effectively solved.
Owner:SHAOXING HONGTAI COMP CONTROL TECH EQUIP

A rotatable electromagnet structure for amusement park toy machines.

This utility model discloses a rotatable electromagnet structure for amusement park toy machines, comprising: a mounting arm for supporting and adjusting the electromagnet structure, and the mounting arm being mounted on the toy machine; an electromagnetic gun bracket mounted on one end of the mounting arm; an electromagnet mounted inside the gun bracket, with an electromagnetic gun head at its lower end; and a rotating mechanism mounted on the rear side of the electromagnet. This application includes a rotating mechanism and a reset mechanism. When the electromagnetic gun head at the lower end of the electromagnet is stuck on the turntable of the game machine, the rotation of the rotating mechanism drives the electromagnet to rotate accordingly, preventing the electromagnetic gun head from jamming the turntable and damaging the motor. When the electromagnet is not subjected to external force, it is reset by the reset mechanism, enabling the electromagnet to quickly and accurately adjust its working position and automatically reset, improving operational flexibility and convenience.
Owner:GUANGZHOU LONGMAI ANIMATION TECH CO LTD

Tray handling device and tray handling method

A tray is automatically mounted on a pallet. A tray handling device, which handles a tray collected from a component mounting device configured to mount a component held in a tray on a substrate, includes: a pallet collecting unit configured to take out a pallet on which the tray is mounted from a magazine collected from the component mounting device; and a tray unloading unit configured to unload the tray from the collected pallet.
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Method of fabricating a high-temperature bobbin for electrical device

A method of fabricating a high-temperature bobbin for a solenoid or other electrical assembly includes the step of providing a bobbin configured for use in the assembly. The bobbin is coated with an anti-oxidation composition and an anti-corrosion composition to produce an oxidation / corrosion resistant bobbin. The oxidation / corrosion resistant bobbin is coated with an electrical insulating composition that is resistant to corona discharge at or below a predetermined voltage threshold to produce an insulated and oxidation / corrosion resistant bobbin. The anti-oxidation composition, the anti-corrosion composition, and the electrical insulating composition can withstand temperatures of subzero up to temperature greater than 1000° F.
Owner:HONEYWELL INTERNATIONAL INC

Sensorless adaptive valve control system

A valve control system and method can include: a control logic configured to couple to a conductor and to a movable mechanism such that a back electromotive force (BEMF) peak is created within the conductor based on the movable mechanism being moved, the control logic further configured to: apply a control voltage to the conductor; detect the BEMF peak; determine a peak timing for the BEMF peak, and adjust a control voltage timing for the control voltage based on the peak timing.
Owner:ANALOG DEVICES INT UNLTD CO

Mechanical switching bidirectional thermal management device and control method

The application discloses a mechanical switching type bidirectional heat management device and a control method, relates to the technical field of electronic components and heat management, and comprises an electromagnetic module, a component heat dissipation module, a component heating module and the like.
Owner:11TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP

Fringing magnetic field device and semiconductor processing equipment

The invention provides a fringe magnetic field device and semiconductor processing equipment, the fringe magnetic field device is applied to the semiconductor processing equipment, the fringe magnetic field device comprises a magnet structure and a magnetic field adjusting structure, and the magnet structure is arranged around the side wall of a process chamber of the semiconductor processing equipment and is used for forming a magnetic field in the process chamber; the magnetic field adjusting structure comprises a magnetic conductive medium with preset magnetic conductivity, and the magnetic conductive medium is arranged between the inner periphery of the magnet structure and the side wall of the process cavity, corresponds to a specified partition of the process cavity and is used for adjusting the magnetic field intensity of a magnetic field formed by the magnet structure in the specified partition. On the basis of solving the problem of eccentricity of a process result, the scheme can be suitable for a permanent magnet and an electromagnet, and the problem that the peripheral radius of the process chamber is increased does not exist.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD

Stamp assembly, light-emitting element transfer device and method for transferring light-emitting element

The invention relates to a stamp assembly, a light-emitting element transfer apparatus, and a method for transferring a light-emitting element. The stamp assembly includes: a stamp member including a stamp layer and a base layer; a magnetic plate applying a magnetic force to the top surface of the base layer; and a plurality of magnetic beads attachable to and separable from the impression layer by a magnetic force of the magnetic plate.
Owner:SAMSUNG DISPLAY CO LTD

Method for implementing a data-based position sensor for an electromagnetically actuated component, fluid valve and fluid system

A method for implementing a data-based position sensor for an electromagnetically actuated component is provided. The data-based position sensor comprises a prediction model for the position of an electromagnetically actuated element of the electromagnetically actuated component. In the method, a training data set is generated using the electromagnetically actuated component and the prediction model is trained using the training data set. In particular, this makes it possible to determine the position of a valve element of an electromagnetically actuated fluid valve, which comprises only one electromagnet for actuating the valve element, without the use of hardware sensors for position measurement.
Owner:HAWE HYDRAULIK SE

Double-cable lead-out electromagnet

An armature is arranged in a first shell, an electromagnetic coil is arranged on the outer side of the armature, a push rod is arranged in the armature, an iron core is installed in an inner cavity of the electromagnetic coil, connected with the push rod and capable of sliding in the axial direction, and the push rod stretches out through the armature and is used for outputting thrust. A lower-layer circuit board, an upper-layer circuit board and a dial switch circuit board are sequentially arranged in the second shell from bottom to top, a wiring terminal of the electromagnetic coil is connected with the lower-layer circuit board, the upper-layer circuit board is connected with the lower-layer circuit board through a plurality of contact pins, and a flat cable interface is formed in the lower-layer circuit board; the flat cable interface is connected with the dial switch circuit board through a flat cable, the same side of the first shell and the same side of the second shell are respectively connected with a cable connector, and the upper layer circuit board is respectively connected with the two cable connectors through cables. And the double-outgoing-line design can facilitate digital upgrading of the electromagnet to a great extent.
Owner:TIANJIN HAIFU HYDRAULIC TECH CO LTD

Electro-permanent magnetic system

The present disclosure relates to an electro-permanent magnetic system. An electro-permanent magnetic system (10) comprising: an electro-permanent magnetic module (12) and an electronic control panel (11) configured to supply electric current to the electro-permanent magnetic module (12) in order to magnetize or demagnetize it; and an electrical connection system (13) between the control panel (11) and the electro-permanent magnetic module (12), the electro-permanent magnetic module (12) comprising a magnetization indicator (14) stably associated therewith, the magnetization indicator (14) comprising an electronic paper screen (EP) configured to display at least one piece of information (SM) relating to the state of magnetization of the electro-permanent magnetic module (12) in a first area (Z1) even when the electronic paper screen is not powered.
Owner:SPD

Method for manufacturing a magnet and systems and devices including a magnet

ActiveUS12653989B2Permanent magnetsCatheter
Methods described herein can include drawing materials to form a drawn filled tubing (DFT) wire. The materials can include a core material, a first layer of a biocompatible material disposed exterior to the filler material, a magnetic material disposed external to the first layer of biocompatible material, and a second layer of biocompatible material disposed exterior to the magnetic material. In some embodiments, the method further comprises melting the core material to form a magnet with a through hole lumen. In some embodiments, the method can further include applying an external magnetic field to the materials during the drawing to align grains of the magnetic material. In some embodiments, the core material can have a melting point lower than a melting point of the magnetic material and the biocompatible material.
Owner:STEREOTAXIS INC

Operating element with actuating part and electromagnetic actuator and use thereof

The present invention relates to an operating element comprising: a mounting portion; an actuating member supported at the mounting portion in such a way that it is rotatable about a rotation axis by means of a support member, for rotational adjustment by an operator; wherein the support member is further configured to support the actuating member in a restricted axial direction, preferably with a reset mechanism; a detection device for detecting at least the rotational adjustment of the actuating member; an electromagnetic actuator acting between the mounting portion and the actuating member and generating tactile feedback; a control unit electrically connected to the electromagnetic actuator, configured to apply an electrical control signal to the electromagnetic actuator to cause deflection of the actuating member in the axial direction as tactile feedback; wherein the electromagnetic actuator has at least one permanent magnet fixed at the actuating member and an annular coil fixed at the mounting portion; and wherein the annular coil is arranged concentrically with an air gap and engages with the air gap via an opening.
Owner:PREH GMBH