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JP08288129 |
PURPOSE: To provide a bistable linear electromagnetic solenoid which is small in size but has a large propulsive force. CONSTITUTION: Divided frames 1 and 11 divided by a magnetic shielding plate 8, divided plungers 6 and 16 which are fi...
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JP08283918 |
PURPOSE: To reduce the noise emitted by an iron core of a stationary induction apparatus. CONSTITUTION: This steel sheet is a grain oriented silicon steel sheet containing ≥99.5% iron and/or a grain oriented silicon steel sheet having ...
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JP08279422 |
PURPOSE: To make a transformer small in size without impairing strength and magnetic characteristics and to improve the productivity thereof. CONSTITUTION: A transformer is constructed by joining an E core 1 constituted of a forming mate...
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JP08273897 |
PURPOSE: To reduce working labor and improve the utilization efficiency between magnetic poles by arranging side portion magnetic poles whose permeability is enlarged integrally on both side portions of main magnetic poles, and arranging...
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JP08275420 |
PURPOSE: To suppress the repulsion force between magnetic poles and easily assemble a large-scale magnetic circuit by dividing the magnet of the magnetic pole so that there are odd number of pieces at one side. CONSTITUTION: One pole of ...
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JP08273934 |
PURPOSE: To obtain a coil component in which a magnetic flux is hard to saturate and in which an eddy-current loss and a hysteresis loss are small. CONSTITUTION: A coil part 5 is formed in such a way that a plurality of insulator sheets ...
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JP08268749 |
PURPOSE: To improve the magnetic characteristic and stabilized mass- productivity by providing an oxygen partial pressure-controlled atmosphere zone and a succeeding nitrogen atmosphere zone in a cooling stage and specifying the temp. ra...
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JP08264309 |
PURPOSE: To improve the mechanical strength of a high-speed rotary motor, using a rare-earth permanent magnet, and a large type magnetic circuit, and also to improve the reliability in weatherproofness of the above-mentioned motor and ci...
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JP08250320 |
PURPOSE: To provide a laminated magnetic core and a manufacturing method thereof such that conductors wound on silent poles are prevented from being damaged. CONSTITUTION: A laminated magnetic core has core component pieces 1A and 1J at ...
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JP08251845 |
PURPOSE: To keep an occupation rate under a constant value when the plate is laminated with the deviation of plate thickness in the plate thickness direction kept under the target value by designating the principal orientation of crystal...
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JP08250351 |
PURPOSE: To enable a current transformer to be easily mounted on a conductor such as a cable or the like and to measure a current which flows through the cable or the like by a method wherein film materials high in saturation magnetic fl...
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JP08250319 |
PURPOSE: To obtain a laminated product and manufacturing method thereof by pressing thin sheets so that they can be tightly fixed mutually, while ensuring the mutual positioning accuracy thereof. CONSTITUTION: A laminated product is comp...
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JP08236338 |
PURPOSE: To provide a magnetic field application core having an excellent characteristic and low price, by forming a core of a form of a pair of glasses through bending, using a small amount of high-permeability plate materials with a go...
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JP08228459 |
PURPOSE: To obtain products having excellent dimensional accuracy, surface quality, and mechanical and magnetic characteristics by producing straight square members from round bars of soft magnetic metal as raw material by cold or warm e...
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JP08186021 |
PURPOSE: To provide an electromagnet, which has the characteristics of a high- sensitivity performance, which is operated by the input of small electricity, and has superior attraction force characteristics without noise. CONSTITUTION: I...
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JP08168834 |
PURPOSE: To manufacture a liminated body, a precise small part useful for electronic parts, by laminating in multisteps a sheet-like part of a specific dimension blanked by press working while positioning the part precisely and simply. C...
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JP2530791 |
PURPOSE: To prevent strictly the deformation due to heat shrinkage of a gap of magnetic poles formed in thin iron plates, when a laminate iron plate of the thin iron plates and side plates disposed on the lateral sides of the outer perip...
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JP2528801 |
PURPOSE: To provide a method of manufacturing a pulse transmitter capable of generating high voltage pulse in the case of rapid magnetic transition of a component magnetically operating corresponding to significantly high stress between ...
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JP2527907 |
PURPOSE: To provide the magnet device, having a resin magnet formed by filling the mixture of magnet powder and resin into a continuous yoke disusing a sintered magnet method, in which the attraction force per unit weight can be improved...
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JP2524677 |
PURPOSE: To provide a manufacturing method for an electric insulation coated body which is capable of increasing the thickness of an insulation layer near the corner areas which include the corners without increasing the thickness of an ...
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JP08115810 |
PURPOSE: To increase the magnetic flux density of a magnetic gap by a method wherein, in a magnetic circuit in which at least one magnetic pole forming the magnetic gap is a magnet, an anisotropic magnet is used as the magnet and a magne...
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JP08115831 |
PURPOSE: To provide a common-mode choke coil which has a sufficient noise- filter effect with reference to a normal-mode noise in addition to a common- mode noise and which is small. CONSTITUTION: Coils 5, 6 are wound in common on a firs...
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JP08109449 |
PURPOSE: To produce a nonoriented silicon steel sheet high in magnetic flux density and low in core loss by incorporating a small amt. of Ni into a steel having a specified compsn. and regulating the grain size of the hot rolled sheet to...
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JP08088115 |
PURPOSE: To prevent a gap in the surface part of a sintered body from being clogging because no machining is performed and to form an effective tri-iron tetroxide film by a steam treatment in a yoke which is manufactured by powder metall...
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JP08041569 |
PURPOSE: To produce a thin-wall magnetic alloy tube by using 2V Permendur(R). CONSTITUTION: A tube stock of a magnetic alloy having a composition consisting of, by weight, 45-55% Co, 1-3% V, and the balance essentially Fe is used. This t...
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JP08037107 |
PURPOSE: To provide an inexpensive dust core having little core loss, and to provide a dust core having little core loss and high mechanical strength. CONSTITUTION: A dust core is produced by pressuring ferromagnetic metal powder and an ...
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JP07317626 |
PURPOSE: To ensure high-speed operation with a simple structure by forming a pole member and an armature out of specific steel respectively in a solenoid actuator latchable by residual magnetism between the pole member and the armature w...
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JP07310621 |
PURPOSE: To reduce a magnetism loss and a manufacturing cost by consisting of the fixed core by a magnetic material, a magnetized coil and the armature for starting a valve and sintering the fixed core after pressing the mixture of powde...
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JP07288075 |
PURPOSE: To eliminate the deterioration of a work environment by preventing generation of grinding powder, and enhance workability by preventing generation of a burr, by applying finishing work by plastic deformation to pole contact surf...
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JP07226325 |
PURPOSE: To provide a saturable core on which the voltage drop, the increase in heat generation and the lowering and the like of efficiency, when high frequency is applied, can be prevented in an excellent reproducible manner. CONSTITUTI...
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JP07220916 |
PURPOSE: To attach by attraction or detach an object substance to be attached to magnetic pole surfaces, without demagnetizing a permanent magnet and without causing currents to flow in magnetizing and demagnetizing coils, and to facilit...
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JP07201610 |
PURPOSE: To realize reduction in size of an inductance element by winding a thin band of magnetic alloy or laminating the thin bands of magnetic alloy, disposing a hollow core in the vicinity of the center with a lead wire penetrating th...
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JP07201554 |
PURPOSE: To provide an excellent part which is high in quality and mounting stability. CONSTITUTION: An electronic part is formed in such a constitution that a magnetic material L where a conductive material L is buried in the longitudin...
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JP07201553 |
PURPOSE: To provide an electronic part such as a chip inductor of specific specifications and its manufacturing device. CONSTITUTION: An electronic part manufacturing device is formed in such a constitution that the opening of an extrusi...
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JP07201555 |
PURPOSE: To provide a transformer core stable in frequency characteristics, a transformer using this core and a method of manufacturing them. CONSTITUTION: A transformer core is formed in such a constitution that through-holes 2 are bore...
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JP07192910 |
PURPOSE: To prevent the possibility of accumulating internal stress between a conductive material and a magnetic substance by interposing an air gap in the magnetic substance in extrusion molding means burying the conductive material and...
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JP07153613 |
PURPOSE: To obtain a nonlinear choke coil having superior nonlinear characteristics and a temperature stability by a method wherein the nonlinear choke coil consists of a core formed by constituting integrally a nanocrystal high-magnetic...
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JP07142230 |
PURPOSE: To assemble a curved laminated iron core with high accuracy by using wires as the fixing means of steel plates used for forming the iron core. CONSTITUTION: A required number of through holes 2 having diameters required for fixi...
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JP07142229 |
PURPOSE: To fix steel plates for forming a curved laminated iron core at their end sections on both their inner and outer peripheral sides by using circular- arcuate through bolts as the fixing means of the steel plates. CONSTITUTION: A ...
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JP07106115 |
PURPOSE: To provide a laminated magnetic core which enables further downsizing and high efficiency by improving the space factor of a laminate using a soft magnetic metal thin band made through a liquid quenching process. CONSTITUTION: T...
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JP07078713 |
PURPOSE: To provide the magnet device, having a resin magnet formed by filling the mixture of magnet powder and resin into a continuous yoke disusing a sintered magnet method, in which the attraction force per unit weight can be improved...
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JP07057899 |
PURPOSE: To downsize the whole device and change the periodic length and periodicity. CONSTITUTION: A multiple deflecting electromagnet device has electromagnets 10 having a vertical pair of magnetic poles 1, 1 arranged vertically opposi...
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JP07045438 |
PURPOSE: To provide a clear-cut and compact inductance component in an external appearance form without projections, further a semi-case being hard to open when unnecessary, by a method wherein engaging means for engaging with each other...
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JP07045460 |
PURPOSE: To obtain a thin threaded core by compression molding a ferrite material into a cup, i.e., a disc of desired shape added with a cylindrical part, threading the cup externally after firing and then removing the unnecessary cylind...
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JP07034207 |
PURPOSE: To produce a nano-crystal allay excellent in pulse decay characteristic by heat-treating an amorphous alloy foil and forming a fine crystal grain structure which is composed essentially of bcc phase and partially contains Fe-B c...
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JP07022258 |
PURPOSE: To manufacture a reactor being employed in an electric or electronic appliance in which the cooling performance is enhanced and a core having optimal dimensions can be provided for each type of appliance. CONSTITUTION: Two sets ...
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JP07022264 |
PURPOSE: To shorten the time required for adhesion process while suppressing insufficient adhesion by performing conduction sintering, forming a rare earth magnet partially provided with a recess or a protrusion, fitting a yoke to the re...
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JP06325922 |
PURPOSE: To provide an Mn-Zn ferrite magnetic material having high electric resistance surface layer. CONSTITUTION: The Mn-Zn ferrite magnetic material comprising 20-50 mol% of MnO, 5-40mol% of ZnO and the residual mol% of Fe2O3 is to be...
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JP06302428 |
PURPOSE: To change the magnetic field between fixed gaps by composing this generator out of a yoke having fixed gaps and two or more permanent magnets arranged in parallel inside the yoke, and constituting it such that at least one is fi...
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JP06295813 |
PURPOSE: To facilitate application of resin coating by preparing an elongated rod ferrite core having a plurality of recesses extending in the axial direction while being twisted between the opposite ends and applying a resin coating on ...
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