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24 results about "Magnetic coating" patented technology

Normally closed two-position three-way PWM solenoid valve with non-magnetic gasket ball valve structure

The application belongs to a two-position three-way PWM electromagnetic valve, and aims at solving the problems of complex structure, slow response speed, high quality requirement of parts processing, high requirement of product assembly process and large leakage of existing two-position three-way high-speed on-off electromagnetic valve, and provides a normally closed two-position three-way PWM electromagnetic valve with a non-magnetic gasket ball valve structure, wherein the inner surface of the top of the stop iron is provided with a boss, the bottom of the boss is provided with a counterbore, the surface of the armature is coated with a non-magnetic coating, the top is provided with a first mounting hole, the elastic component is located in the counterbore and the first mounting hole, the coil is wound on the upper part of the armature and the outer wall of the boss, one end of the top rod is fixed with the armature, and the other end is arranged opposite to the steel ball, the first through hole is arranged in the valve body along the axial direction, is sleeved on the outer side of the lower part of the armature, the inner wall of the first through hole is provided with a limiting boss, the valve seat is fixed on the bottom of the first through hole, a cavity is formed between the top of the valve seat and the limiting boss, and the steel ball is located in the cavity.
Owner:SHAANXI HUACHENG LINGHANG ELECTROMAGNETIC TECH CO LTD

Electromagnetic absorbing composites

A composite comprising a polymeric matrix and EM absorbers dispersed within the polymeric matrix. Each EM absorber comprises a ceramic particle having a surface, and a magnetic coating on at least a portion of the surface of the ceramic particle. The EM absorbers function as dielectric and magnetic absorbers in the 1-100 GHz frequency range. The composite can be used as an electromagnetic shielding article to mitigate electromagnetic interference in, for example, high speed, high frequency (HSHF) consumer electronics.
Owner:3M INNOVATIVE PROPERTIES CO

Magnetic functional film and thermal interface material

This invention relates to the field of thermal management technology, specifically to a magnetic functional thin film and a thermal interface material. The magnetic functional thin film comprises an acrylate polymer matrix and iron oxide-coated carbon fibers dispersed in the acrylate polymer matrix; the iron oxide-coated carbon fibers are oriented along the thickness direction of the magnetic functional thin film. This invention achieves efficient oriented alignment of carbon fibers under low magnetic field strength through a strategy of "magnetic coating + low magnetic field induction + ultrasonic vibration synergy," significantly improving the vertical thermal conductivity of the film while endowing it with excellent flexibility and mechanical strength. It can be widely used in fields such as chip heat dissipation, flexible electronics, and 5G communication equipment.
Owner:CHANGSHA LANGYUE NEW MATERIALS CO LTD +1

Silicon oxide waste material surface coating apparatus

ActiveCN224586589UAchieve pre-treatment cleaningIncrease the exposed areaMetallurgyElectric machine
The utility model relates to material processing field discloses a kind of silicon oxide waste cleaning surface coating equipment, including mounting bracket, the inside of mounting bracket is provided with crushing adsorption component, reaction tank is fixedly connected with the side wall of mounting bracket, heating stirring assembly is provided in the inside of reaction tank, the crushing adsorption component includes crushing box, pivot, crushing box top fixedly connected with feed hopper.The utility model in this paper, motor one drives transmission shaft, crushing wheel is carried out to the crushing of silicon oxide waste, and then motor two drives belt, and magnetic stripe is carried out to the conveying and impurity screening process of waste, waste is sheared extrusion crushing using crushing wheel, increase coating exposure area, while magnetic stripe adsorption contains magnetic coating impurities, to realize the pretreatment cleaning of silicon oxide waste, avoid the problem that large waste coating is wrapped and difficult to clean, magnetic impurities mix and pollute subsequent process, crushing magnetic attraction integration reduces work flow, improves work efficiency.
Owner:SUZHOU DEWEIKA PHOTOELECTRIC TECH CO LTD

A chip cleaning device for sheet metal processing

ActiveCN224543953UElectric machinePhysics
The utility model relates to a kind of scrap cleaning device for sheet metal processing in sheet metal processing technical field, including processing table, the top fixed connection of processing table has fixed block;Start electric push rod one, make its telescopic end push fixed ring and all mechanisms thereon together move above processing table, in the moving process, the metal scrap on processing table is magnetically attracted by magnetic coating, so that metal scrap is adsorbed and gathered on connecting plate, to clean and collect metal scrap, after cleaning ends, make connecting plate reset, and the metal scrap adsorbed thereon can be removed, in use process, motor can be started, make its output end drive adjusting plate and all mechanisms thereon together rotate, to adjust the angle of magnetic coating, to better magnetically attract metal scrap, when using, it is convenient for personnel to clean and collect metal scrap quickly, and it is more time-saving and labor-saving, convenient for personnel to use when cleaning metal scrap.
Owner:HEFEI YONGLE MACHINERY CO LTD

Preparation method of heterogeneous coating material and application of heterogeneous coating material

The application discloses a preparation method of heterogeneous coating material and application of the heterogeneous coating material and belongs to the technical field of heterogeneous coating powder material preparation. The method comprises the following steps: performing surface magnetization treatment on the surface of a material to be plated to obtain a material to be plated containing a magnetization layer; and placing the material to be plated containing the magnetization layer in an electroplating solution to perform magnetohydrodynamic electroplating treatment, thereby obtaining the heterogeneous coating material. The magnetohydrodynamic electroplating treatment is performed in a cyclic alternating environment of a magnetic field and a flow field, the single holding time of the magnetic field is 10-200s, the magnetic field is always applied on the cathode side, and the single fluidization time of the flow field is 3-50s. The method realizes low-cost and large-batch pre-magnetization treatment of non-magnetic powder by depositing a magnetic coating on the surface of the material to be plated through single chemical plating; and then through magnetohydrodynamic electroplating treatment, the synergistic effect of the magnetic field force and the flow field force is utilized to realize the large-scale and continuous coating of the material to be plated, thereby obtaining a metal-coated powder with a uniform and dense plating layer and low cost.
Owner:INST OF MATERIALS HENAN ACAD OF SCI +1

A detachable inner lining injection molded shoe

ActiveCN224461172UAir pumpMetal sheet
The utility model relates to a kind of detachable lining injection shoes in the technical field of injection shoes, including injection shoe body, the inside of injection shoe body is provided with sponge lining, the inside wall of injection shoe body is fixedly connected with multiple sucking disc;Sucking disc can be removed the adsorption effect to sponge lining, then sponge lining is moved up, make magnetic coating and metal sheet separate, until sponge lining is taken out from inside injection shoe body, when personnel feet sweat a lot or water enters shoe, micro air pump can be started, so that its outlet end carries out inflation to the inside of sponge lining, then gas will pass through sponge lining and enter inside injection shoe body, to speed up the speed of injection shoe body air flow, to improve the speed of drying inside injection shoe body, when using, it not only can disassemble sponge lining, improve the convenience of personnel when replacing and cleaning it, but also can carry out air blowing treatment to inside injection shoe body, improve its internal drying speed.
Owner:QINGDAO RENDA SHOES CO LTD

Anti-nuclear radiation magnetic fluid sealing device

An anti-nuclear radiation magnetic fluid sealing device includes a magnetically conductive rotating shaft, a magnetically conductive housing, a left snap ring, a left bearing, a left magnetically isolating ring, a left pole shoe, a magnetically isolating sleeve, an outer permanent magnet, an inner permanent magnet, a right pole shoe, a right magnetically isolating ring, a right bearing, a right snap ring, an end cover, an anti-radiation coating, an anti-magnetic coating, a magnetic fluid I, and a magnetic fluid II. An outer magnetic circuit and an inner magnetic circuit are formed using the magnetically isolating sleeve. The magnetically conductive housing, the left pole shoe, the outer permanent magnet, the right pole shoe, and the magnetic fluid I forms a magnetic fluid static seal. The magnetically conductive rotating shaft, the left pole shoe, the inner permanent magnet, the right pole shoe, and the magnetic fluid II form a magnetic fluid dynamic seal.
Owner:TSINGHUA UNIVERSITY +1

Optical sensor

The invention relates to a sensor and a method for capturing a physical influencing variable, comprising at least one optical transmitter (TX) and at least one optical receiver (RX). The invention further relates to a production method for an optical sensor and to an electrical component having an optical sensor. The proposed sensor has at least one optical transmitter (TX) and at least one optical receiver (RX), and an arrangement of at least one optical waveguide (OF) between the optical transmitter (TX) and the optical receiver (RX). The optical waveguide (OF) is arranged with a functional element on a mechanically deflectable web (ST, SE, SM). The functional element can be a bimetal, a ferroelectric coating or a magnetic coating. Depending on the physical influencing variable, a temperature to be captured, an electric field or a magnetic field, the functional element experiences a force and causes a deflection of the web (ST, SE, SM). The optical received signal correlates with the physical influencing variable by means of an optical coupling point in the optical waveguide (OF) between the mechanically deflectable web (ST, SE, SM) and the optical receiver (RX), which coupling point is passable only for a reduced optical power in the event of deflection of the web (ST, SE, SM).
Owner:SIEMENS AG

Magnetic micro-crack textile composite sensor and preparation method thereof

This invention discloses a magnetic microcracked textile composite sensor and its preparation method, belonging to the field of intelligent textile technology. The sensor includes a textile substrate layer, a magnetic coating, an induction coil layer, and a moisture-permeable and waterproof encapsulation film. The magnetic coating is applied to the textile substrate layer and contains a mesh-like microcrack pattern. The induction coil layer is disposed on the magnetic coating and is formed by liquid metal embroidery or conductive yarn weaving. The moisture-permeable and waterproof encapsulation film covers the induction coil layer. This invention forms a mesh-like microcrack pattern in the magnetic coating through a pre-stretching-drying process, uses liquid metal embroidery or conductive yarn weaving to form the induction coil, and encapsulates it with a moisture-permeable and waterproof encapsulation film. The resulting sensor has good bending sensitivity, water washing stability, and breathability, meeting the sensing requirements of wearable devices.
Owner:GUANGDONG VOCATIONAL & TECHNICAL COLLEGE

Continuous iron removal device for waste ozone removal catalyst

The utility model discloses a waste ozone removal catalyst continuous deironing device which comprises two supporting plates, two collecting tanks are fixedly installed at the top ends of the two supporting plates, a smashing box is fixedly installed at the top ends of the two collecting tanks, and two first smashing rollers and two second smashing rollers are rotationally installed in the smashing box respectively. The two second smashing rollers are both provided with magnetic coatings, scraping plates are fixedly installed at the top ends of the two collecting grooves, and one ends of the scraping plates are tightly attached to the second smashing rollers. According to the utility model, a catalyst needing to be crushed is crushed by the first crushing roller, the crushed material falls between the second crushing rollers, the magnetic coatings on the surface layers of the second crushing rollers adsorb internal elemental iron on the second crushing rollers, and then the elemental iron adsorbed on the second crushing rollers is scraped off by the scraper, so that the catalyst is crushed. And the iron falls into the collecting tank, so that the separation of the iron in the crushing process is realized.
Owner:CHANGZHOU YUEKE PLASMA TECHNOLOGY CO LTD

A cold-sprayed cookware with bottom oil-collecting function and its preparation method

This invention relates to a method for preparing a cold-sprayed cookware with bottom oil-retaining function, comprising the following steps: S1: forming an aluminum alloy sheet into a pot blank shape, with an annular protrusion on the outer bottom and an outwardly convex arc surface formed in the central area of ​​the bottom; S2: performing degreasing and internal sandblasting operations to achieve a surface roughness of Ra2.8 to Ra4.5; S3: spraying a non-stick coating onto the inner surface of the pot blank to obtain a non-stick coating layer; S4: cold-spraying magnetic powder onto the outer bottom of the pot blank to obtain a magnetic coating layer; then arc-spraying aluminum metal onto the magnetic coating layer to obtain a rust-proof coating layer; S5: polishing the outer wall of the pot blank; S6: spraying a high-temperature resistant non-stick coating onto the entire outer surface of the pot blank. This invention's method for preparing cookware not only yields cookware with bottom oil-retaining function but also enables the cookware to meet the long-term performance requirements of efficient electromagnetic heating and heat conduction under high-temperature conditions.
Owner:NINGBO GOLDEN ELEPHANT KITCHENWARE CO LTD

Axial displacement measurement type laser cladding piston rod and preparation process thereof

The present application relates to the technical field of piston rod, and particularly relates to an axial displacement measurement type laser cladding piston rod. The method of conventional laser cladding fills a non-magnetic coating in an annular groove on the surface of a piston rod base, and the linear stroke of the piston rod calculated from the electromagnetic induction signal obtained by an electromagnetic induction element is poor in consistency with the actual linear stroke. In view of the above problem, the present application provides an axial displacement measurement type laser cladding piston rod, and the upper surface of the boss formed between the adjacent annular grooves on the outer wall of the base is free of metallurgical combination with the cladded metal, so that the detection precision is obviously improved, and the linear stroke of the piston rod calculated from the electromagnetic induction signal is better in consistency with the actual linear stroke.
Owner:JIANGSU WUJIN HYDRAULIC HOIST

Conductive foam convenient to install and dismount

The utility model relates to a kind of electrically-conductive foam of convenient installation and disassembly of electrically-conductive foam technical field, including mounting plate, a pair of adjusting grooves are set in the top of mounting plate;Lower limit rod, so that its lower end is inserted into corresponding limit slot, to adjust plate is fixed, to complete the operation of adjusting the distance between a pair of reinforcing block, after can pull up and insert the rod, make it drive reinforcing block and move up together, until the distance between reinforcing block and mounting plate is greater than the thickness of electrically-conductive foam, after electrically-conductive foam is inserted into the bottom of reinforcing block, reinforcing block is moved down again, make it pressurize electrically-conductive foam, simultaneously, magnetic coating one and metal strip will attract each other, to tightly fix electrically-conductive foam on mounting plate, when using, it is not only convenient for personnel to install electrically-conductive foam, and need not use multiple installation tools, installation step is relatively simple, to be able to substantially reduce operation step and time cost.
Owner:SUZHOU SOMAI ELECTRONIC TECH CO LTD

Magnetic type LED lamp set structure convenient and fast to assemble

The utility model relates to the technical field of LED lamp banks, in particular to a magnetic attraction type LED lamp bank structure convenient to assemble. The magnetic attraction type LED lamp bank structure comprises a base, and a magnetic attraction plate is fixedly connected to the bottom of the base; when the LED lamp is used, the lamp panel needs to be inserted into the mounting groove, then the magnetic coating attracts the metal block, the metal block drives the reinforcing block to move in the side wall groove together and gradually get close to the reinforcing groove till the side, away from the reinforcing block, of the metal block is connected with the magnetic coating in a magnetic attraction mode, and at the moment, the lamp panel is fixed through the magnetic coating. The side, away from the metal block, of the reinforcing block and the limiting block stay in the side wall groove and the limiting groove correspondingly, so that the lamp panel is limited, the lamp panel is not prone to being moved out of the mounting groove, then the lamp panel is assembled and fixed to the base, and finally the lamp panel is fixedly installed in an area needing to be used through the magnetic suction plate. The assembly is convenient for personnel to assemble, the assembly steps are simple and time-saving, the requirement on the assembly technology is lower, and the operation is convenient for personnel.
Owner:QIANXUN OPTOELECTRONICS TECH SUZHOU CO LTD

Horizontal steering wheel strip automatic magnetic free stretching data line and preparation method and application

ActiveCN120340962BMagnetic bodiesCommunication cablesSteering wheelMagnetocrystalline anisotropy
The application discloses a horizontal steering wheel strip-shaped automatic magnetic free-stretching data line, a preparation method and application. The data line comprises a flexible coating on the core, a flexible permanent magnetic coating layer in the middle and a flexible outer coating layer from inside to outside, and the preparation method comprises the following steps: step A, extrusion molding; step B, first north-south direction 180° constant magnetic field orientation magnetization, horizontal steering wheel strip-shaped shaping and preliminary forming; and then magnetization, horizontal reverse steering wheel strip-shaped automatic magnetic free-stretching data line. The application aims to solve the phenomenon that the existing technology data line automatic curling magnetic attraction is not completed, and the samarium iron nitrogen magnetic performance of the magnetic crystal anisotropy field which is much higher than other permanent magnetic materials can be better played through the improvement of the magnetization mode, so that the data line has the advantages of temperature resistance, corrosion resistance and demagnetization resistance, and the magnetic layer thickness is not required to be increased to meet the data line attraction requirement.
Owner:GUANGZHOU NEWLIFE MAGNETICS CO LTD

A fine brass solder wire

The utility model discloses a kind of partial thin brass welding wires, it includes winding roller, the surface of winding roller is wound with welding wire body, the surface of the welding wire body is coated with anticorrosive coating, the inner cavity of the anticorrosive coating includes acrylic magnetic coating, peroxide vinyl coating and phenolic acid-resistant coating, the inner surface of the acrylic magnetic coating is coated on the outer surface of peroxide vinyl coating, the inner surface of the peroxide vinyl coating is coated with the outer surface of phenolic acid-resistant coating, the surface of the anticorrosive coating is coated with wear-resistant coating, this kind of partial thin brass welding wire, by anticorrosive coating, acrylic magnetic coating, peroxide vinyl coating and phenolic acid-resistant coating, corrosion resistance can be played, avoid the brass welding wire in the process of storage, due to the influence of regional humid environment, so that surface appears rust oxidation, to improve the use efficiency of welding wire body, also indirectly improve the service life of welding wire body.
Owner:TONGLING XINXIN WELDING MATERIALS CO LTD

Systems and methods for magnet-induced assembly tissue grafts

ActiveUS12629454B2Skin implantsMedical devicesTissue GraftingAnatomy
Systems and methods for assembling a plurality of tissue grafts are provided. A method includes applying a magnetic coating over a surface of a donor site and harvesting the plurality of micro tissue grafts from the donor site, so that an upper surface of each of the plurality of micro tissue grafts contains the coating. The method also includes arranging a magnet over the magnetic coating to induce the plurality of micro tissue grafts to organize in a desired orientation, forming a tissue construct containing the plurality of micro tissue grafts arranged in the desired orientation, and applying the tissue construct to a recipient site.
Owner:THE GENERAL HOSPITAL CORP

A vertical steering wheel strip automatic magnetic free stretching data line and a preparation method and application thereof

The application discloses a data line with a vertical steering wheel strip-shaped automatic magnetic free stretching data line and a preparation method and application, the data line comprises a flexible coating on a core, a flexible permanent magnetic coating layer in the middle and a flexible outer coating layer from inside to outside in sequence, and the preparation method comprises the following steps: step A, extrusion molding; step B, first, pre-magnetization is performed to form a vertical steering wheel strip-shaped shape, then, a 180-degree constant magnetic field in the north-south direction is used for orientation, and finally, magnetization is performed. The application aims to solve the phenomenon that the automatic winding and magnetic attraction of the prior art data line are not completed, so that the magnetic crystal anisotropy field of samarium iron nitrogen which is much higher than other permanent magnetic materials can be better used, the data line has better advantages such as temperature resistance, corrosion resistance and demagnetization resistance, and the requirement of the data line attraction force can be met by thickening the magnetic layer.
Owner:GUANGZHOU NEWLIFE MAGNETICS CO LTD

Transformer magnetic core preparation method based on metal wire electrical explosion, magnetic core and transformer

The invention provides a transformer magnetic core preparation method based on metal wire electrical explosion, a magnetic core and a transformer, and relates to the technical field of metal processing. The method comprises the following steps: fixing a magnetic core substrate on a negative electrode of an electrode system; wherein the magnetic core base body is made of a first magnetic material; fixing the metal wire on the positive electrode of the electrode system; wherein the metal wire is used for forming a second magnetic material; and applying high-voltage electricity by taking the metal wire as a load, so that the metal wire explodes to obtain metal liquid drops, and spraying the metal liquid drops on the surface of the magnetic core substrate to obtain the prepared transformer magnetic core. According to the preparation method, the advantages of various magnetic materials are fused, the transformer magnetic core with any shape and excellent magnetic performance can be prepared, and the magnetic performance of the prepared magnetic coating can be flexibly changed by changing the proportion of the metal wires or adding metal elements such as cobalt, silver and copper.
Owner:STATE GRID HEBEI ELECTRIC POWER CO LTD +1

Fully-embedded refrigerator cabinet body magnetic plastic co-extrusion decoration strip

The utility model discloses a full-embedded refrigerator cabinet body magnetic plastic co-extrusion decoration strip, which belongs to the technical field of decoration strips, and comprises a decoration strip arranged between a cabinet and a refrigerator gap, and the decoration strip comprises a sealing part I, a sealing part II, a connecting rib, a magnetic coating cavity and a magnetic strip which are integrally formed; the sealing part I and the sealing part II form a bent structure, and the bent angle is an obtuse angle; the connecting ribs are positioned on the bent back surfaces far away from the sealing part I and the sealing part II; the other end of the connecting rib is connected with the magnetic wrapping cavity, and the magnetic strip is located in the magnetic wrapping cavity. The fully-embedded magnetic plastic co-extrusion decoration strip for the refrigerator cabinet body deforms in a self-adaptive mode, the magnetism of the magnetic strips is utilized to actively attract a metal shell of a refrigerator, and tight attachment can be achieved without extra pressure.
Owner:QINGDAO SCIENCE & TECHNOLOGY INDUSTRY PARK FOR ADVANCED MATERIAL CO LTD

Electromagnetic absorbing composites

A composite comprising a polymeric matrix and EM absorbers dispersed within the polymeric matrix. Each EM absorber comprises a dielectric flake, and a continuous magnetic coating on at least one major surface of the dielectric flake. The EM absorbers function as dielectric and magnetic absorbers in the 1-100 GHz frequency range. The composite can be used as an electromagnetic shielding article to mitigate electromagnetic interference in, for example, high speed, high frequency (HSHF) consumer electronics.
Owner:3M INNOVATIVE PROPERTIES CO

Chemical glass tubular instrument placing cabinet

The utility model relates to a chemical glass tubular instrument placing cabinet in the technical field of instrument storage, which comprises an instrument cabinet, and a plurality of bases are movably inserted in the instrument cabinet; during use, the rectangular plates move towards the sides close to the fixing plates until the sides, away from the fixing plates, of the rectangular plates are taken out of the butt joint grooves, so that the limiting effect of the rectangular plates on the base is relieved, then the base is moved up and down to drive the fixing plates to move together, and the distance between the adjacent pair of base and fixing plate is adjusted; after the positions of the base and the fixing plate are adjusted, under the repulsion effect of the first magnetic coating and the second magnetic coating, the rectangular plate is pushed, one side of the rectangular plate is inserted into the corresponding butt joint groove so as to fix the base and the fixing plate, finally, the glass tube is inserted into the clamping groove, and the cabinet door is closed. The device can be adjusted according to the length of the glass tube, is high in flexibility, is suitable for various glass tubes with different length specifications, and is wide in application range.
Owner:SUZHOU MINGYANG SEMICON MATERIALS CO LTD

A low friction drag sand screen

The application discloses a low-friction sand control screen pipe, and belongs to the technical field of oil and gas field development. The low-friction sand control screen pipe comprises a screen pipe body, a protection assembly, a friction reduction assembly and a magnetic coating, and a plurality of filter holes are formed through the screen pipe body. The protection assembly comprises an inner sheath and an outer sheath which are sleeved on the outer periphery of the screen pipe body, and a containing space is formed between the inner sheath and the outer sheath. The containing space is filled with a pre-filling layer which is composed of lightweight ceramic granules. The friction reduction assembly comprises a mounting sleeve and rolling bodies. The mounting sleeve is sleeved on the outer wall of the screen pipe body, and a plurality of rolling bodies are arranged on the outer wall of the mounting sleeve. The rolling bodies can rollingly contact the well wall. The outer surface of the inner sheath and / or the outer sheath is provided with the magnetic coating, and the magnetic coating is used for generating a magnetic field for adsorbing stratum particles. The sand control screen pipe realizes the comprehensive effects of low friction, light weight, anti-clogging and long-acting sand control through the functional complementation and structural compatibility between the components.
Owner:GUANGZHOU MARINE GEOLOGICAL SURVEY