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30 results about "Plastic magnet" patented technology
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A plastic magnet is a non-metallic magnet made from an organic polymer. One example is PANiCNQ, which is a combination of emeraldine-based polyaniline (PANi) and tetracyanoquinodimethane (TCNQ). When it was created by Pakistan born scientist Naveed A. Zaidi and colleagues at the University of Durham in 2004, it was the first magnetic polymer to function at room temperature.
Vacuum adsorption equipment capable of randomly and automatically adjusting size and shape of adsorption area
A vacuum adsorption device with an adsorption area capable of being freely and automatically adjusted in size and shape is characterized in that one end of a strip-shaped magnetic-inlaid sealing gasket is connected with a rolling assembly, the other end of the strip-shaped magnetic-inlaid sealing gasket is adsorbed above a sealing gasket adsorption platform, and the strip-shaped magnetic-inlaid sealing gasket located above the sealing gasket adsorption platform is closed to form an adsorption cavity; the outer shaping magnet is located outside the adsorption cavity, the inner shaping magnet is located inside the adsorption cavity, and the outer shaping magnet and the inner shaping magnet are both adsorbed on the sealing gasket adsorption platform; the position adjustment driving assembly drives the rotating T-axis module and the rotating strong magnetic head to move horizontally, the rotating T-axis module drives the rotating strong magnetic head to rotate, and the rotating strong magnetic head drives the outer shaping magnet and the inner shaping magnet to adjust the size and shape of an adsorption cavity formed by the strip-shaped magnetic-inlaid sealing gasket; the vacuum supply system comprises a vacuum port air pipe, and the end of the vacuum port air pipe communicates with the interior of the adsorption cavity. The size and the shape of the adsorption area can be adjusted at will.
Owner:SIYUE INTELLIGENCE
Foldable magnetic door curtain
A foldable magnetic door curtain comprises a curtain edge magnetic wrapping soft sleeve, a curtain body and plastic magnetic strips. The curtain edge magnetic wrapping soft sleeve wraps the plastic magnetic strip and is connected with the curtain body; the magnetic curtain is characterized in that one side of the curtain body is connected with the magnetic soft sleeve; a plastic magnetic strip is wrapped in the magnetic soft sleeve; the plastic magnetic strip comprises a plastic magnet and an adhesive tape, and one side of the plastic magnet is bonded with the adhesive tape; two symmetrical surfaces of the plastic magnet are respectively provided with a groove; the foldable magnetic door curtain has the beneficial effects that the foldable magnetic door curtain can be naturally and vertically formed into a line easily when being reused, so that the foldable magnetic door curtain can recover the original connecting and closing performance, and the purposes that the foldable magnetic door curtain can be randomly folded, is convenient to store, can be reused and can be repeatedly used for multiple times are achieved; and the curtain can be opened easily without vigorously, so that the service life of the door curtain can be prolonged.
Owner:HAINING DONGJUN PLASTIC MAGNET
Plastic magnetic rotor shaft core structure
Owner:QINGDAO JINGANG MAGNETIC TECH CO LTD
Motor, air conditioner, and method for manufacturing motor
PCT designated stageWO2025225560A1Magnetic circuitManufacturing dynamo-electric machinesCircular discElectric machinery
A motor (241) has a rotor (52). The rotor (52) has a shaft (61), a disk (62), an annular plastic magnet (63), and a resin mold (64). The disk (62) has a center hole (62a) through which the shaft (61) penetrates. The resin mold (64) fixes the shaft (61), the disk (62), and the plastic magnet (63).
Owner:DAIKIN INDUSTRIES LTD
Rotor for electric motor equipped with end flanges incorporating plasto-magnets
PendingFR3164851A1Magnetic circuit rotating partsMagnetic circuit characterised by magnetic materialsRotor (electric)Plastic magnet
The invention relates to a rotor (10) for an electric motor (30) comprising: - a rotor shaft (12) mounted rotatably about an axis (X); - a lamination pack (14) mounted coaxially on the rotor shaft (12), said lamination pack (14) comprising a plurality of internal cavities (15); - a plurality of permanent magnets (16) housed inside the internal cavities (15) of the lamination pack (14); - a front flange (17) and a rear flange (19) mounted coaxially on the rotor shaft (12) and arranged axially on either side of the lamination pack (14); characterized in that each of the front and rear flanges (17, 19) comprises an external part (172, 192) which is disposed opposite the stack of sheets (14) and which comprises a plurality of plastic magnets (23) formed of a plastic matrix incorporating particles possessing magnetic properties. Figure 3
Owner:NOVARES FRANCE
Rotor structure, method of forming same, and electric machine
This invention provides a rotor structure, its molding method, and a motor. The rotor structure includes: radial plastic magnets (6), with multiple radial plastic magnets (6) arranged circumferentially at intervals, forming mounting grooves (5) between adjacent radial plastic magnets (6); tangential ferrites (2), disposed within the mounting grooves (5) and used to form a tangential magnetic field; axial plastic magnetic disks (4), disposed at both axial ends of the radial plastic magnets and used to form an axial magnetic field; and a plastic-coated shell (1), encasing the radial plastic magnets (6), tangential ferrites (2), and axial plastic magnetic disks (4), and injection molding the radial plastic magnets (6), tangential ferrites (2), and axial plastic magnetic disks (4) into a single unit. According to the rotor structure of this invention, the assembly difficulty of the rotor structure can be reduced, the assembly effect improved, and the working performance and reliability of the motor guaranteed.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI +1
Foldable magnetic attraction device for door curtain and production process of foldable magnetic attraction device
PendingCN119586887AImprove bending effectImprove fatigue strengthInductances/transformers/magnets manufactureCurtainsStructural engineeringChlorinated polyethylene
A foldable magnetic device for a door curtain comprises a plastic magnet and an adhesive tape, and is characterized in that one side of the plastic magnet is adhered to the adhesive tape; two symmetrical surfaces of the plastic magnet are provided with grooves (112) which are symmetrical to each other; the production process is characterized by comprising the steps of manufacturing the plastic magnet and pasting the adhesive tape. The plastic magnet is manufactured in the mode that CPE and magnetic powder are mixed and vulcanized, and after vulcanization, the plastic magnet is manufactured through the manufacturing processes of tabletting, multi-layer laminating, cutting, magnetizing, notching and the like. The CPE is chlorinated polyethylene. The door curtain has the beneficial effects that the door curtain can be folded at will, is convenient to store, and can be repeatedly used for multiple times; environmental pollution and production resource waste caused by the fact that door curtains in the prior art cannot be reused are avoided, environmental pollution is reduced, and ecological development is promoted; the softness of the magnetic attraction edge of a curtain product can be improved, the magnetic attraction force is dispersed, the connection attraction force between curtains is moderate, and the service life of the door curtain is prolonged.
Owner:HAINING DONGJUN PLASTIC MAGNET
Plastic magnetic rotor
The utility model discloses a plastic magnetic rotor, which belongs to the technical field of plastic magnetic rotors and comprises a plastic magnet and a rotor shaft, a mounting groove is arranged at the center of the plastic magnet, and symmetrical concave grooves are arranged on the mounting groove. The rotor shaft is connected with a protrusion matched with the concave groove, the rotor shaft is connected with gaskets limiting the two sides of the plastic magnet, and a limiting piece abutting against the gaskets is fixed to the rotor shaft. According to the utility model, the gaskets on the two sides are limited by the limiting pieces, so that the plastic magnetic rotor is not easy to loosen in the use process, the plastic magnet is connected more firmly, the plastic magnetic rotor is connected with the plastic magnet in a clamping manner, the whole assembly and disassembly are convenient, and the whole assembly and disassembly are not required to be replaced when part of the plastic magnetic rotor is damaged.
Owner:ZHEJIANG YUANCHENG TECH CO LTD
Motor manufacturing method and air conditioner having motor
PCT designated stageWO2025225561A1Electromagnets without armaturesMagnetic circuitElectric machinePlastic magnet
In this motor manufacturing method, molds (81, 82) are prepared. A resin material (67) including a magnetic body (68) is injected into the molds to form a test plastic magnet (63A). A test rotor (52A) is manufactured by fixing the test plastic magnet (63A) and a test shaft (61A) with a test resin mold (64A). An imbalance in the weight of the test rotor (52A) is measured, and a location requiring a weight adjustment is identified in the test plastic magnet (63A). The shape of a portion of the molds (81, 82) corresponding to the location is deformed. The resin material (67) including the magnetic body (68) is injected into the molds (81, 82) after deformation of the shape to manufacture a product plastic magnet (63B). A product rotor (52B) is manufactured by fixing a product shaft (61B) having the same shape as the test shaft and the product plastic magnet (63B) with a product resin mold (64B) made of the same material as the test resin mold (64A).
Owner:DAIKIN INDUSTRIES LTD
Permanent magnet magnetism-assisting synchronous reluctance motor rotor and motor
PendingCN119420069Areduce vibrationreduce noiseMagnetic circuit rotating partsSynchronous machine detailsMagnetic barrierSynchronous reluctance motor
The invention discloses a rotor and a motor of a permanent magnet magnetic-assisted synchronous reluctance motor, and belongs to the field of permanent magnet magnetic-assisted synchronous reluctance motors, each magnetic pole in a rotor iron core comprises multiple layers of magnetic barriers which are sequentially arranged from inside to outside, and each layer of magnetic barrier is in bilateral symmetry in an axial tangent plane; the minimum distance between the tail end of the magnetic barrier and the outer circle of the rotor is sequentially reduced from the innermost magnetic barrier to the outermost magnetic barrier, and the thickness of the magnetic barrier is sequentially reduced from the innermost magnetic barrier to the outermost magnetic barrier. Each magnetic barrier is filled with cured ferrite plastic magnets; and the whole rotor is magnetized. On the basis, the rotor iron core is formed by axially laminating a plurality of silicon steel sheets, and the adjacent silicon steel sheets are staggered by a preset angle, so that the whole rotor iron core is skewed by a certain angle. According to the invention, the step heights of the air gap flux densities generated by the rotor magnetic field are different, and the sinusoidal property of air gap harmonic waves is effectively improved, so that the content of the air gap harmonic waves is reduced, and vibration and noise during high-speed operation of the motor are reduced.
Owner:HUAZHONG UNIV OF SCI & TECH
Defoaming heat-preservation adsorption plate for precast beam
The utility model discloses a defoaming heat-preservation adsorption plate for a precast beam, which relates to the field of prefabrication of prestressed beam slabs and comprises an extruded polystyrene foam plate which directly acts on a beam slab template, so that a layer of ultra-thin foam plate is attached to the beam slab template. The extruded polystyrene foam board can adsorb light-density oil stains and part of laitance on the surface of the poured concrete according to the heat preservation and heat insulation properties, high-strength compression resistance, stability and corrosion resistance of the extruded polystyrene foam board, and can also be used as a heat preservation measure in winter; and the adsorption sticker is a plastic magnet material and is embedded in the extruded polystyrene foam plate, so that the panel is tightly attached to the template, and the flatness of the beam plate is ensured. The beam slab prefabricating device can be suitable for beam slab prefabricating, low-density sundries can be adsorbed in the concrete pouring process, and the beam slab appearance quality problem caused by concrete laitance and impurities is solved.
Owner:SICHUAN ROAD & BRIDGE CONSTRUCTION GROUP CO LTD
Rotor structure and its molding method and motor
This invention provides a rotor structure, its molding method, and a motor. The rotor structure includes: a support frame (1), integrally injection molded from injection-molded permanent magnets, comprising a radial excitation source (3) and an axial excitation source (4). The axial excitation source (4) is located at both axial ends of the support frame (1) and is used to form an axial magnetic field. The radial excitation source (3) is disposed radially inside the axial excitation source (4) and is used to form a radial magnetic field. The radial excitation source (3) and the axial excitation source (4) form a first mounting groove (5); multiple radial plastic magnets (6) are arranged at intervals along the circumference of the support frame (1) within the first mounting groove (5), and a second mounting groove (22) is formed between adjacent radial plastic magnets (6); multiple tangential ferrites (2) are correspondingly disposed within the second mounting groove (22). According to the rotor structure of this invention, the assembly difficulty of the magnets can be reduced, ensuring the working performance and reliability of the motor.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI +1
Manufacturing method of motor, and air conditioner having motor
To simplify weight adjustment of a rotor and suppress an increase in the cost of a motor.SOLUTION: In a manufacturing method of a motor, molds 81 and 82 are prepared. A resin material 67 including a magnetic body 68 is injected into a mold to mold a test plastic magnet 63A. A test rotor 52A is manufactured by fixing the test plastic magnet 63A and a test shaft 61A with a test resin mold 64A. An imbalance in a weight of the test rotor 52A is measured, and a portion of the test plastic magnet 63A where weight adjustment is required is specified. The shape of a portion of each of the molds 81 and 82 corresponding to the portion is deformed. The resin material 67 including the magnetic body 68 is injected into the molds 81 and 82 whose shapes have been deformed to manufacture a product plastic magnet 63B. A product rotor 52B is manufactured by fixing a product shaft 61B having the same shape as the test shaft and the product plastic magnet 63B with a product resin mold 64B having the same material as the test resin mold 64A.SELECTED DRAWING: Figure 21
Owner:DAIKIN INDUSTRIES LTD
Plastic magnetic rotor for precision motor
Owner:HAYASHI PLASTIC MAGNET TECH(KUNSHAN) LTD
Rotor, motor
To provide a rotor that can reduce the number of parts. [Solution] The rotor 4 in the motor 10 has a cylindrical shaft 30 extending in the axial direction, a plastic magnet 40 that covers the outer circumferential surface of the shaft 30 in an annular shape and rotates integrally with the shaft 30, and a blade portion 5 that is detachable from the plastic magnet 40. The plastic magnet 40 has an axially recessed engagement recess. The blade portion 5 has an engagement projection that engages with the engagement recess.
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
Rotor and motor
PCT designated stageWO2025187722A8Association with control/drive circuitsMagnetic circuit rotating partsElectric machinePlastic magnet
A motor (10) comprises: a substantially cylindrical stator core (21); a plastic magnet (40) that includes a hollow cylindrical part (41) surrounding the stator core (21) and having an opening end (43) at one end on the first direction side in the axial direction; and a plate-like substrate (50) disposed on one end side of the plastic magnet (40). The plastic magnet (40) has an annular thin wall section (44) that protrudes in the first direction from the cylindrical part (41) and surrounds the substrate (50).
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
Plastic magnetic rotor with protection structure
The utility model discloses a plastic magnetic rotor with a protection structure, which comprises a rotating shaft main body, one side of the rotating shaft main body is fixedly provided with a connecting rod, the other side of a telescopic block is connected with a protection ring, the protection ring is internally provided with a caulking groove, and a ball is embedded in the caulking groove. The installation block is installed on the side edge of the plastic magnetic sleeve, then the telescopic rod is installed in the installation block, adjustment connection between the telescopic rod and the telescopic block is completed through the telescopic rod, and therefore the telescopic rod can drive the telescopic block to stretch out and draw back after working, excessive extension is reduced through the arrangement of the first check block and the second check block, and the service life of the telescopic rod is prolonged. The position of the protection ring outside the rotating shaft body can be changed through stretching and retracting of the telescopic blocks, meanwhile, the caulking grooves are evenly distributed in the protection ring, the balls are embedded in the caulking grooves, certain guiding protection can be provided when the rotating shaft body works, meanwhile, the problem of contact abrasion is solved, and the service life of the rotating shaft is prolonged. Therefore, the overall protection capability is well improved in the working process.
Owner:QINGDAO JINGANG MAGNETIC TECH CO LTD
Rotor and motor
PCT designated stageWO2025187244A1Pump componentsMechanical energy handlingElectric machineryPlastic magnet
This rotor (4) has a cylindrical shaft (30) that extends in the axial direction, a plastic magnet (40) that annularly covers the outer peripheral surface of the shaft (30) and rotates integrally with the shaft (30), and a blade part (5) that can be attached to and detached from the plastic magnet (40), wherein the plastic magnet (40) has an engagement protrusion (45) that protrudes in the axial direction, and the blade part (5) has an engagement recess (54) that engages with the engagement protrusion (45).
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
Apparatus for molding oriented magnet and plastic magnet in magnetic field
To provide an oriented magnet which is formed by combining a plurality of members and has good dimensional accuracy, and to provide an apparatus for molding a plastic magnet using the oriented magnet in a magnetic field.SOLUTION: The oriented magnet 200 is an oriented magnet formed by combining a first member 210 and a second member 220. The first member and the second member are combined with each other such that the first surface 212 of the first member and the second surface 222 of the second member face and contact each other. The first member has a protrusion 214 protruding from the first surface toward the second member. The second member has a recess 224 which is recessed from the second surface in a direction away from the first member and into which the projection is fitted.SELECTED DRAWING: Figure 5B
Owner:DAIKIN INDUSTRIES LTD
Rotor structure, method of forming same, and electric machine
This invention provides a rotor structure, its molding method, and a motor. The rotor structure includes: radial plastic magnets (6), with multiple radial plastic magnets (6) arranged circumferentially at intervals, forming mounting grooves (5) between adjacent radial plastic magnets (6); tangential ferrite (2), disposed within the mounting grooves (5) and used to form a tangential magnetic field; axial ferrite disks (4), disposed at both axial ends of the radial plastic magnets and used to form an axial magnetic field; and a plastic-coated shell (1), encasing the radial plastic magnets (6), tangential ferrite (2), and axial ferrite disks (4), and injection molding the radial plastic magnets (6), tangential ferrite (2), and axial ferrite disks (4) into a single unit. According to the rotor structure of this invention, the assembly difficulty of the rotor structure can be reduced, the assembly effect improved, and the working performance and reliability of the motor guaranteed.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI +1
Binocular loupes and methods of manufacturing binocular loupes
Provided are methods of manufacturing binocular loupes which enable loupe bodies including desired focus adjustment units and magnifications to be replaced, and which have bright clear image quality while more widening the field of view of a practitioner, the binocular loupes are provided with a pair of right-and-left loupe bodies 3 with internal optical systems, a glasses frame 10 to hold carrier lenses 4 for supporting the pair of loupe bodies 3 in visual directions toward an observation target, and cylindrical loupe holders 9 attached to the carrier lenses 4 to receive the loupe bodies 3 attachably / detachably with eyepiece side ends of the pair of loupe bodies 3 inserted, and the loupe holders 9 and at least eyepiece side members of the pair of loupe bodies 3 are formed to be thin and high in magnetic flux density performance, by methods of manufacturing plastic magnet materials molded by mixing magnetic powder into plastic materials by precision Europe high compression molding, multi-gate injection molding or the like.
Owner:YONEZAWA KIKUKO +1
Foldable plastic magnetic strip for door curtain
PendingCN119405171AThe solution cannot be reusedeasy to collectCurtainsDraperiesSuction forceStructural engineering
A foldable plastic magnetic strip for a door curtain comprises a plastic magnet and an adhesive tape, and is characterized in that one side of the plastic magnet is adhered to the adhesive tape; two symmetrical surfaces of the plastic magnet are respectively provided with a groove; the plastic magnet comprises a plastic magnetic block, a plastic magnetic rib and a groove; the plurality of plastic magnetic blocks and the plurality of plastic magnetic ribs are connected at intervals to form a long chain; grooves are formed in the two side faces of the plastic magnetic rib. The plastic magnetic block is a rectangular strip-shaped block and is provided with a magnetic suction surface A and a magnetic suction surface B; the attaching surface A and the attaching surface B are arranged; the invention has the beneficial effects that when being repeatedly used, the device can be naturally and vertically formed into a line, can be randomly folded, is convenient to store and can be repeatedly used; the softness of the magnetic attraction edge of the curtain product can be improved, so that the curtain can be opened and released flexibly and freely; the magnetic attraction force is dispersed, so that the connection attraction force between the curtains is moderate, the curtains can be opened easily without strong force, the damage to the curtains caused by excessive force for opening the curtains is avoided, and the service life of the curtains and the service life of the door curtains can be prolonged.
Owner:HAINING DONGJUN PLASTIC MAGNET
Binocular loupes
Provided are binocular loupes which enable loupe bodies including desired focus adjustment units and magnifications to be replaced, and which have bright clear image quality while further widening the field of view of a practitioner, the binocular loupes are provided with a pair of right-and-left loupe bodies 3 with internal optical systems, a glasses frame 10 for holding carrier lenses 4 to support the pair of loupe bodies 3 in visual directions toward an observation target, and cylindrical loupe holders 9 attached to the carrier lenses 4 to receive the loupe bodies attachably / detachably with eyepiece side ends of the pair of the loupe bodies 3 inserted, and the loupe holders 9 and eyepiece side members of the pair of loupe bodies 3 are formed of a plastic magnet molded by mixing magnetic powder into plastic materials.
Owner:YONEZAWA KIKUKO +1
Two-channel impeller flowmeter
The utility model discloses a double-channel impeller flowmeter, which relates to the technical field of agricultural flowmeters, and comprises two channel cavities, each channel cavity comprises an upper cover and a lower shell which are in threaded connection, an impeller is arranged in each channel cavity, a hole for a whole body shaft to pass through is arranged in each impeller, the upper cover is provided with an upper shaft groove, and the lower cover is provided with a lower shaft groove. The upper shell is provided with an upper shaft groove, the lower shell is provided with a lower shaft groove, the full-body shaft is inserted into the upper shaft groove and the lower shaft groove in a matched mode, a plastic magnet is fixed to the axial extending portion of the impeller, and the plastic magnet is correspondingly provided with a Hall device. According to the double-channel impeller flow meter, the upper cover and the lower cover are spirally and quickly detached, so that the impeller is convenient to clean and replace, the whole body shaft is designed in a penetrating mode, liquid medicine impurities are not prone to being accumulated, the double-channel impeller flow meter is more stable and durable, the double-channel impeller structure is convenient to calibrate, and user experience is improved.
Owner:HANGZHOU QIFEI INTELLIGENT TECH CO LTD
Rotor and motor
PCT designated stageWO2025187244A8Pump componentsMechanical energy handlingElectric machineryPlastic magnet
This rotor (4) has a cylindrical shaft (30) that extends in the axial direction, a plastic magnet (40) that annularly covers the outer peripheral surface of the shaft (30) and rotates integrally with the shaft (30), and a blade part (5) that can be attached to and detached from the plastic magnet (40), wherein the plastic magnet (40) has an engagement protrusion (45) that protrudes in the axial direction, and the blade part (5) has an engagement recess (54) that engages with the engagement protrusion (45).
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
Rotor for an electric motor provided with end flanges incorporating plastic magnets
PCT designated stageWO2026017765A1Magnetic circuit characterised by magnetic materialsPlastic materialsRotor (electric)
The invention relates to a rotor (10) for an electric motor (30), comprising: - a rotor shaft (12) rotatably mounted about an axis (X); - a stack of laminations (14) mounted coaxially on the rotor shaft (12), the stack of laminations (14) comprising a plurality of internal cavities (15); - a plurality of permanent magnets (16) housed inside the internal cavities (15) of the stack of laminations (14); - a front flange (17) and a rear flange (19) mounted coaxially on the rotor shaft (12) and arranged axially on either side of the stack of laminations (14); characterised in that each of the front and rear flanges (17, 19) comprises an outer part (172, 192) which is arranged facing the stack of laminations (14) and which comprises a plurality of plastic magnets (23) formed from a matrix made from plastic material incorporating particles having magnetic properties.
Owner:NOVARES FRANCE
Fan device
A fan device comprises a hub defining an inner space in a surrounding mode, a plurality of fan blades extending outwards from the hub at intervals, a magnetic conductive ring arranged in the inner space and defining a penetrating space, and a mandrel connected to the hub and extending to the penetrating space in the axial direction. And the magnet ring is arranged in the penetrating space and surrounds the core shaft. Wherein the magnet ring is made of a moldable plastic magnet or a rubidium-iron-boron magnet, so that the magnet ring can define at least one configuration groove, and the configuration groove can be suitable for being filled with a balancing weight according to the balance weight requirement, so that the fan device can stably run.
Owner:KAIMEI ELECTRIC CO LTD
Plastic magnetic strip
The plastic magnetic strip comprises a plastic magnet and is characterized in that two symmetrical surfaces of the plastic magnet are respectively provided with a groove; the plastic magnet comprises a plastic magnetic block, a plastic magnetic rib and a groove; the plurality of plastic magnetic blocks and the plurality of plastic magnetic ribs are connected at intervals to form a long chain; grooves are formed in the two side faces of the plastic magnetic rib. The groove comprises a groove width and a groove depth; 11b is the width of the plastic magnet; the depth of the groove ranges from 1 mm to 12 mm. The width of the groove ranges from 3 mm to 36 mm. The foldable door curtain has the advantages that the purposes that the door curtain can be folded at will, is convenient to store and can be used repeatedly and repeatedly are achieved; and environmental pollution and resource waste caused by waste which cannot be repeatedly used in the prior art are avoided.
Owner:HAINING DONGJUN PLASTIC MAGNET
Motor, air conditioner, and manufacturing method of motor
To suppress vibration and damage due to dimensional accuracy of a rotor.SOLUTION: A motor (241) has a rotor (52). The rotor (52) includes a shaft (61), a disk (62), an annular plastic magnet (63), and a resin mold (64). The disk (62) has a central hole (62a) through which the shaft (61) penetrates. The resin mold (64) fixes the shaft (61), the disk (62), and the plastic magnet (63).SELECTED DRAWING: Figure 5
Owner:DAIKIN INDUSTRIES LTD
Rotor and motor
PCT designated stageWO2025187722A1Association with control/drive circuitsMagnetic circuit rotating partsElectric machinePlastic magnet
A motor (10) comprises: a substantially cylindrical stator core (21); a plastic magnet (40) that includes a hollow cylindrical part (41) surrounding the stator core (21) and having an opening end (43) at one end on the first direction side in the axial direction; and a plate-like substrate (50) disposed on one end side of the plastic magnet (40). The plastic magnet (40) has an annular thin wall section (44) that protrudes in the first direction from the cylindrical part (41) and surrounds the substrate (50).
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD