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JP2002199669 |
To ensure sinusoidal magnetized field on a segment magnet and to complete assembly of a rotor before magnetizing with fixing a not-magnetized magnet to the rotor.The rotor is composed of segment magnets 10, soft magnetic members 13, non-...
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JP3319614 |
PURPOSE: To make easy magnetization possible by arranging adjacent magnetic bodies in the manner of the magnetic bodies protruding in reverse directions and by bringing the magnetic poles of a magnetizer into contact with the parts protr...
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JP2002171710 |
To provide a rotating drive unit wherein the suction force in the thrust direction is increased readily, without causing degradation in motor characteristics or increase in magnetic noise.The magnetic flux density of rotor magnets 7, sho...
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JP2002170712 |
To provide a portable magnetizing-demagnetizing device capable of being transported at an arbitrary place such as a job site in a portable manner and enabling the works of the magnetizing and demagnetizing of a magnet at the arbitrary pl...
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JP2002164213 |
To provide a method and device for magnetizing multipole ring by which high-intensity narrow-pitch magnetization can be performed with high accuracy.While a magnetic member W is rotated in a state where the member W is held by a spindle ...
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JP2002159467 |
To build permanent magnet made up of magnetic blocks by assembling blocks before magnetizing and pole pieces and by magnetizing blocks by superconductive magnet, and to put an unit with the permanent magnet and pole pieces inside an iron...
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JP2002158111 |
To provide the demagnetization method of a permanent magnet for fully demagnetizing the permanent magnet without changing the magnetic characteristics of the permanent magnet.A magnetized 1-5 based SmCo permanent magnet alloy is heated a...
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JP3309854 |
To provide a magnetic attraction sheet which has a small diamagnetic field, is hard to demagnetize, even if it is reduced in thickness, and hardly collapses, even if the sheet is rolled, and suitable for printing by a printer, and to pro...
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JP3309855 |
To provide a method and a device for magnetizing a magnetic absorption sheet, which allow the user to magnetize, especially, a long magnetic absorption sheet into multipole at high speed, with low power consumption. This magnetizer has a...
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JP2002143717 |
To provide a sorting device for magnetic and nonmagnetic parts, in which constitution is simple and the parts are sorted surely and automatically.In the sorting device, a magnet 14 is fitted to a turning roller 13 of one hand of a circul...
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JP2002141222 |
To provide a simple long-pulse magnetic field generating method, that is useful for the magnetization of a high-temperature superconducting bulky body and to provide a low-cost portable long-pulse magnetic field generating device having ...
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JP2002142415 |
To provide a magnetization device and a magnetization method which can magnetize a permanent magnet so as to have a plurality of poles with very narrow pole pitches while the winding structure of the device is simple.This magnetization d...
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JP2002141223 |
To provide a method and device by which a rare-earth-based radially oriented ring magnet which has been considered to be difficult to be demagnetized can be demagnetized nearly completely.This ring magnet is inserted into a ring magnet h...
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JP2002133603 |
To make a magnetic recording control device give a duplicated signal wave which is equal in size and symmetrical, with good reproducibility, and to make the device carry out a high reliable magnetic duplication.In initializing the magnet...
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JP3306356 |
To minimize deformation to the coil of a stator winding and facilitate assembly of a compressor, by connecting a capacitor charged with necessary charges to polarize the member to be polarized of a rotor to the stator winding for energiz...
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JP2002124414 |
To provide a method of magnetizing a rare-earth magnet by which a plurality of rare-earth magnets fixed to a rotor can be magnetized strongly.The method for magnetizing the rare-earth magnets 22 fixed to the rotor 20 includes a first ste...
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JP3297807 |
To provide a magnetic attraction sheet equipped having a magnetic layer which is oriented, magnetized, has an axis of easy magnetization in an in-plane direction, and is made to have an optimal magnetization pitch so as to gain a maximum...
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JP2002101631 |
To provide an electromagnetic actuator which generates thrust at steady state in a short time in good response and stably holds the object in two positions without applying a large voltage when starting.A ring shaped excitation coil 10, ...
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JP2002083729 |
To provide a method of manufacturing a rare earth magnet, with which mass-productivity is improved by removing unwanted magnetic powder attached to the surface of a press mold before sintering.This method of manufacturing a rare earth ma...
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JP2002075733 |
To provide a method and device for magnetizing permanent magnet piece for magnetic pole of a rotating machine, by which an unmagnetized permanent magnet piece firmly fixed to the cylindrical yoke of a rotating machine can be magnetized u...
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JP2002078297 |
To provide a polarizing method of a magnet which materializes a magnetic flux distribution which excels in a commutation improvement at a low cost without making the polarizing device complicated.A blower motor 1 is a two-pole DC motor w...
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JP2002075734 |
To provide a magnetizing device for superconducting bulk material, which can fully magnetize a superconducting bulk material by making the coil and power unit used for impressing a magnetic field smaller in size, without requiring strong...
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JP2002058215 |
To obtain a magnetizing apparatus for permanent magnet rotor which can easily control a current.This magnetizing apparatus comprises a magnetizing iron core 13 opposite to the predetermined number of permanent magnets 11 among a pluralit...
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JP3281038 |
PURPOSE: To execute the magnetic field pressing in the high magnetic field and a short time by making a power source equipment that a pulse energizing current is made to flow in a coil of magnetic field. CONSTITUTION: When the charging o...
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JP2002031955 |
To provide a developing roll with little deviation in the quantity of developer and where a stable image with little unevenness in the image can be obtained.In the developing roll 10 provided with a magnet roll 1 inside, the deviation of...
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JP2002033214 |
To provide a method for easily taking out a permanent magnet which is not easily taken out from between pole pieces in a conventional magnetizing device, as the dimension of the magnet is large and a wide magnetic field is needed for the...
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JP3271330 |
PURPOSE: To prevent occurrence of loss caused by uneven magnetic flux density by evenly magnetizing a disk, used for large magnetic bearings, etc., in annular. CONSTITUTION: A magnetizing device for a magnet consisting of a mechanism tha...
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JP2002027713 |
To provide a detecting method for magnetized position capable of detecting the dislocation of the magnetized position promptly and highly precisely.This method comprises a process of computing the magnetizing position for a magnet 51 bas...
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JP2002008921 |
To provide a method for magnetizing a permanent magnet, by which a cylindrical magnet used for position sensor, linear motor, magnetic gear, etc., can be magnetized in the radial direction.After the outer circumferential surface of a bob...
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JP2001359111 |
To provide a degaussing circuit for a cathode ray tube, which reduces fluctuations in the rush current to a degaussing coil over a wide power supply voltage range so as to obtain a constant degaussing effect in dependently of the differe...
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JP2001351816 |
To provide a magnet magnetizing device using a magnetizing yoke wire formed and worked to have a rectangular cross section.The wire wound around a magnetizing yoke 1 is obtained from a magnetizing yoke wire 2 which is formed and worked t...
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JP2001346364 |
To reduce a time and a labor which are necessary when a product such as a motor, etc., which has a permanent magnet is disassembled by a disassembling device because magnet bits are stuck to the respective parts of the disassembling devi...
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JP3259737 |
PURPOSE: To hold the density of magnetic flux, generated in a magnet chuck coil, always constant so as to maintain chucking force in the steady state by providing an error correcting circuit for comparing the actual current value with th...
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JP2001332423 |
To obtain a magnetizing apparatus, with which motor yokes can be magnetized efficiently, productivity of the products using the yokes can be enhanced, and quality of the products can be stabilized.This magnetizing apparatus comprises an ...
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JP2001313210 |
To provide a waste disposal method, air conditioners, refrigerators, and compressors, where ground products or decomposition products are easily screened or fractionated.The permanent magnetic piece 16 (or 17) of a rotor 12 disposed in a...
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JP3249930 |
To provide an inserted light source of short periodic length, having high magnetic field accuracy and magnetic position accuracy by constituting such that slits are formed periodically on the magnetic block of an inserted light source ha...
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JP2001297910 |
To provide a magnetic attraction sheet for display of thin film equipped with a magnetic layer that is formed of magnetic paint whose main components are ferromagnetic powder and a high-molecular binder, possessed of an axis of easy magn...
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JP2001286106 |
To enable to magnetize a permanent magnet 5 of a canned pump after mounting a rotor 4 in a can 2. A positioning groove 4b is so formed at the rotor 4 as to be observed through a suction inlet 14a arranged on a bracket 14 that shuts a can...
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JP2001284124 |
To provide a method and a device, where magnetized magnetic powder can be demagnetized easily and continuously. A magnetic powder demagnetizing method comprises a first process, in which magnetized magnetic powder is fed successively int...
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JP2001275315 |
To provide a magnetizing method and a magnetizing apparatus for magnets which enables varying of magnetic flux distribution at a prescribed place of a magnet. A magnetizing apparatus 10 is provided with main magnetizing yokes 11, 12, com...
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JP2001274019 |
To provide a magnetizing device which can improve the manufacturing efficiency of a loudspeaker device by suppressing power consumption by magnetizing the magnets of the device in a short time and can easily manage the magnetized magnets...
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JP2001257115 |
To provide a repetitively magnetizing method for a superconductive bulk body, where the superconductive bulk body can be magnetized with a comparatively small applied magnetic field to produce a large magnetic field by magnetizing the bu...
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JP2001244114 |
To provide a magnetizing method for magnetizing a permanent magnet whose poles are anisotropically oriented, especially a rare-earth permanent magnet which exhibits high performance.First, the magnetizing direction of a main magnetizing ...
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JP2001242187 |
To provide a magnetic encoder having large magnetization strength and small magnetization in pitch errors, a wheel bearing using the magnetic encoder, and a method for manufacturing the magnetic encoder.A magnetization yoke 11, that is w...
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JP2001244113 |
To provide a lightweight magnetizer for liquid which is superior in water proofing property and can obtain desired magnetic flux density in a conduit.A pair of casings 1 with curved surfaces 7 along the surface of the conduit are mounted...
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JP2001235717 |
To provide a magnetic garnet material which hardly causes cracks while a single crystal film is grown or polished for a magnetooptical device, which used a magneto-optical effect by using the magnetic garnet material, and to provide a ma...
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JP3224193 |
To provide a magnetizing device capable of preventing an overcurrent from flowing in a magnetic flux measuring apparatus so as to get rid of the fear of a failure of the magnetizing device. When a rotor 36 for a motor is inserted into th...
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JP2001230118 |
To provide a magnetizing device for a sheet, where the device does not require a large current which is necessary for a usual capacitor-type magnetizing device when magnetizing is carried out.Ring magnets 21 which have each an N pole on ...
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JP2001223113 |
To provide a method of classifying a ferrite magnet and its structure, wherein trouble caused by self magnetization of the ferrite magnet and its structure in a classification plant is substantially solved.A method of classifying a ferri...
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JP2001219093 |
To provide a method and device for classifying rare earth magnets and other ferromagnetic materials by utilizing a difference between Curie temperatures.The method and device for magnetically separating the mixtures composed of the magne...
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