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Patent Searching and Data


Matches 251 - 300 out of 2,266

Document Document Title
WO/1990/003653A1
A method and apparatus for manufacturing magnets from a magnetizable material under the influence of a magnetic field. A magnetizable material is injected into at least one mold chamber within a frame. An electromagnetic field is generat...  
WO/1989/009901A1
A magnetic shaft seal comprises a packing ring (1) made of a permanently magnetized plastic, surrounding a rotatably mounted shaft (5) and having on the face nearer the shaft (15) a circular recess (2). The regions of the packing ring ad...  
WO/1988/001791A1
A transformer apparatus including a magnetic core (2) and a main winding (N1) is characterized in that an auxiliary winding (N2) is added in operative relation to the magnetic core (2), whereby a predetermined amount of demagnetizing cur...  
WO/1987/005435A1
A device for treatment of ferromagnetic materials comprising means (16, 21, 125, 127, 133, 150, 160, 165, 182, 193, 194, 196, 200, 206, 211, 232) for developing a magnetic field of a selected intensity, duration, and cycle, which field i...  
WO/1986/005313A1
A device for demagnetization of parts after they have been influenced with the magnetic field comprises coils (1, 2) connected to a source of alternating current and placed one inside the other at an equal angle to a tray (3) passing thr...  
WO/1985/004512A1
In order to form, on opposite plane surfaces of a magnetizable plate portion of a part (62), a series of magnetized areas, the device comprises a frame (68) wherein two support parts (64, 65) made of a material having a high magnetic per...  
WO/1985/003801A1
The magnetization device comprises an electric power source, at least two current pulse generator devices connected to said source and a plurality of elongated electric conductor parts (21 to 28) connected and arranged so that the magnet...  
WO/1985/000335A1
Magnet assembly consisting of a plurality of permanent magnets (1) each of which is wound around by a solenoid winding (4) which in use produces a field to force the permanent magnet (1) into positive or negative saturation in dependence...  
WO/1983/000944A1
Apparatus for uniformly premagnetizing magnetic media, such as wide magnetic tapes and/or for substantially uniformly orienting the magnetic particles in the slurry of the magnetizable layer of magnetic media during their formation. Prem...  
WO/1982/004160A1
A switching apparatus (1) for changing the polarity or intensity of the magnetic field of ferromagnetic bodies, for example the magnetic field of tensioning devices with permanent magnets, has a series arrangement. Said arrangement conta...  
WO/1981/001769A1
Prior art magnetic chuck control systems do not utilize state of the art components and do not sufficiently isolate the power output from control circuits. The instant invention discloses a magnetic chuck control system employing solid s...  
WO/1980/000196A1
A method of producing a roll-type magnet adapted to be used in electrophotographic reproducing machines etc., in which several notches (13) are formed on one side of a laminate (9) composed of two or more kinds of composite magnet sheets...  
WO/1979/000639A1
After assembly of a key, magnetic poles are imprinted on a magnetisable body (1) of the key by passing an electric current through a pair of parallel electrical conductors (22) which are spaced apart in a direction transverse to their le...  
JP7443585B1
The present invention provides a magnetizing device and method for easily and safely producing magnets arranged according to the Halbach array. [Solution] The magnetizing device is a device that magnetizes a magnet material unit includin...  
JP2024023145A
The present invention provides a multipolar cylindrical magnet with superior surface magnetic flux density. [Solution] A multipolar cylindrical magnet having an inner peripheral surface and an outer peripheral surface, and in which N pol...  
JP2024006891A
[assignment] To provide a magnetic clamp device that reduces power consumption of a magnetizing coil made of a magnet material whose polarity can be reversed. [Solution] The magnetic clamp device 10 includes an alnico magnet 16 whose pol...  
JP2023152328A
To more easily provide a magnetization devices or the like suitable for various magnetization requirements.A magnet holding device capable of holding a magnet is provided. The magnet holding device includes an annular portion that can be...  
JP7361419B1
An object of the present invention is to provide a magnetized body for magnetizing an epoch-making shaft-like member that has an unprecedentedly high commercial value. [Solution] A magnetized body for magnetizing a shaft-like member 50, ...  
JP2023150892A
To provide a method for promoting reuse of a magnet used in an electric motor.A method of manufacturing a magnet material includes a demagnetization step of irreversibly demagnetizing a permanent magnet by thermal demagnetization by heat...  
JP2023141069A
To reduce power in a magnetic freezer.A magnetic freezer is provided with: a closed magnetic path (30) in which a permanent magnet (12), a magnetic working substance (11), and a yoke (13) are connected in series; a coil (19) that generat...  
JP7354729B2
To manufacture an anisotropic bond magnet excellent in magnetism by generating a stronger alignment magnetic field to a molding object by devising a structure of an orientation magnet in molding the anisotropic bond magnet.A mold include...  
JP7344098B2
To provide a manufacturing method of a permanent magnet capable of heating and magnetizing with lower energy in a shorter time.A manufacturing method of a permanent magnet rotor includes heating a permanent magnet rotor having a rotating...  
JP7343849B2  
JP7327108B2
To provide a permanent magnet temperature distribution measurement method for a permanent magnet rotor which can grasp the temperature distribution of a magnet before magnetization during or after heating.In a permanent magnet temperatur...  
JP2023108428A
To provide a magnetizing method capable of easily forming a Halbach array magnet having a desired magnetic force when magnetizing a plurality of magnetic bodies in which at least a first magnetic body, a second magnetic body, and a third...  
JP2023094825A
To provide an orientation device including an air-core coil that can generate a magnetic flux represented by a longer straight line in the air-core coil.The orientation device includes an air-core coil and a cavity arranged in a position...  
JP7302399B2
A manufacturing apparatus includes a magnetizing yoke in which a magnet section to be magnetized is installed. The magnetizing yoke includes a core having slots formed at predetermined intervals in a circumferential direction, and a coil...  
JP2023093013A
To improve work efficiency by fixing a permanent magnet to a core metal without using an adhesive.A manufacturing method of a permanent magnet at least includes a magnetized object forming step of applying predetermined pressure to a mag...  
JP2023090410A
To provide a magnetizing device that can precisely magnetize a predetermined range of an object to be magnetized in the magnetization of a wire-shaped member.A magnetizing device magnetizes a wire-shaped member. The magnetizing device in...  
JP2023089859A
To provide a magnetization method capable of magnetizing a magnetic body to create a magnetic orientation in a direction tilted with respect to a preset direction.A magnetization method in an embodiment includes: a step of arranging mult...  
JP2023084424A
To provide a manufacturing method of a rare earth iron-sintered magnet, the method materializing suppression of a coarse particle generated in an interface between rare earth iron-magnetic powders, the method thereby enabling improvement...  
JP7279590B2
To provide a superconductor magnetization method that can expand an axially uniform region of a captured magnetic field in a bore of a superconductor.A superconductor magnetization method includes a magnetic field application step of app...  
JP7274826B2
Provided is a rare-earth sintered magnet and the like with which a magnetic flux having a practically useful surface magnetic flux density can be generated only in one surface in a thickness direction, without increasing the size or weig...  
JP7274266B2
A method for manufacturing a magnet includes (1) a step of preparing three or more unmagnetized magnet materials of which magnetization easy axes are oriented in predetermined directions, and adhering the unmagnetized magnet materials wi...  
JP7271402B2
To provide a manufacturing method of a permanent magnet rotor capable of being magnetized (preferably completely magnetized) in a shorter time and with lower energy.A manufacturing method of a permanent magnet rotor includes a step A of ...  
JP7270395B2
To suppress magnetic interference of a first magnet and a second magnet, and enhance angle detection accuracy by reducing a gap between a magnet and a magnetic sensitive element.An encoder 10 comprises: a magnet assembly 15; a circuit bo...  
JP7267024B2
To provide a Halbach array rotor, a motor, an electric compressor, and a manufacturing method thereof, capable of improving a performance of a rotor providing permanent magnets having a Halbach array.A rotor 1 includes an annular permane...  
JP2023060516A
To provide a magnet manufacturing device capable of manufacturing magnets whose shape and magnetization direction are arbitrarily designed.A magnet manufacturing device includes: a heater 12 which heats a mixture 23 of magnetic particles...  
JP2023052159A
To provide a device that houses and magnetizes organization penetration medical devices each having various length.A magnetizer 400 comprises a sleeve member 602 having a hollow pipe-like main body 604 that is extended between a proximal...  
JP2023043637A
To provide a rotor manufacturing apparatus capable of providing sufficient magnetization on the entire permanent magnet buried in a rotor core and suppressing generation of heat at the apparatus when magnetized.A rotor to be magnetized i...  
JP7233578B2
A device for accommodating and magnetizing a tissue-penetrating medical device of various lengths, with or without a cover covering a portion or the entirety of the tissue-penetrating medical device, is disclosed including a sleeve membe...  
JP7233577B2
A device for accommodating and magnetizing a tissue-penetrating medical device of various lengths, with or without a cover covering a portion or the entirety of the tissue-penetrating medical device, is disclosed including a sleeve membe...  
JP2023019252A
To provide a machine tool which automatically performs demagnetization processing.A machine tool has: a main spindle device rotating a workpiece gripped by a spindle chuck; a turret device in which a plurality of tools are fitted to a cu...  
JP2023018329A
To provide a method capable of easily manufacturing a Halbach magnet array with a large ratio of the magnetic flux density on the front side and the back side.The manufacturing method of a Halbach magnet array includes the steps of: (a) ...  
JP7217898B2
To process a workpiece while an electromagnetic chuck using an electromagnet is magnetized to adsorb the workpiece and cause demagnetizing current to flow through the coil of the electromagnet when the workpiece is detached, thereby perf...  
JP2023009789A
To provide a magnetization method for a magnetic encoder, which makes it difficult for magnetic flux to leak to tracks of other rows when magnetizing one row of double-row tracks, and enables efficient magnetization.A magnetization metho...  
JP7193107B2
Provided are a device for manufacturing an oriented body and a method for manufacturing an oriented body, said device and method easily and efficiently manufacturing an oriented body and being capable of manufacturing a large-size sheet-...  
JP2022183428A
To provide a manufacturing method of a permanent magnet capable of obtaining high magnetization characteristics even when multipolar magnetization is performed on a rare earth iron magnet having magnetic anisotropy.A manufacturing method...  
JP7189180B2
A method of producing an oppositely magnetized magnetic structure within or on a substrate material includes: generating first and second numbers of cavities within or on a substrate material and filling the first and second numbers of c...  
JP2022182315A
To provide a method of manufacturing a Halbach magnet array capable of easily manufacturing a Halbach magnet array with a large ratio of magnetic flux density on the front and back surfaces.The method of manufacturing a Halbach magnet ar...  

Matches 251 - 300 out of 2,266