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JP2008041877 |
To provide a reactor having improved efficiency scarecely changing the dimension and profile of a conventional reactor.The reactor is provided with a circular core 2 formed of a magnetic body, and a coil 3 wound around the external circu...
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JP2008041876 |
To reduce loss and cost by combining a core block formed of a steel laminate and a core block formed of a green molded body.This reactor 1 is provided with a pair of parallel I-shaped portions 5 each formed by assembling two or more core...
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JP2008034777 |
To provide a compact common mode choke coil having high impedance even in a high frequency region by suppressing generation of large stray capacitance between winding wires of adjoining turns.In the common mode choke coil 10, a spindle 1...
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JP2008028290 |
To provide a reactor device having a high heat radiation function inexpensively as much as possible.The reactor device A has a reactor B having a core 1 and a coil 2, and a case 3. The core 1 has: a side part core 12; a middle part core ...
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JP2008028313 |
To provide a reactor capable of fully transferring heat generated by a coil to a core and improving a heat radiation effect from the core to a case, or the like.The reactor comprises: the annular core; the coil 3 provided at the outer pe...
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JP2008028288 |
To provide a reactor device with reduced noise inexpensively as much as possible.The reactor device A includes: a reactor B having a core 1 and a coil 2; a case 3 for storing the reactor B; and a plate spring 6 interposed between the cor...
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JP2008028308 |
To provide a reactor capable of reducing manufacturing costs by reducing the amount of use of expensive sealing resins, improving a heat radiation effect, an insulation effect, or the like, and suppressing the occurrence of noise.The on-...
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JP2008028304 |
To provide a reactor capable of reducing manufacturing costs without reducing noise characteristics, or the like and improving assembly working efficiency.The reactor comprises: an annular core 2 composed by assembling a plurality of blo...
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JP2008028289 |
To reliably reduce the noise of a reactor device by mounting a sound generation member to the case or lid of the reactor device.The reactor device A includes: a reactor having a core and a coil; a case 3 for storing the reactor; and a li...
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JP2008028287 |
To provide a reactor device inexpensively as much as possible by improving a core structure.A reactor has a core 1 and a coil 2. The core 1 has a side part core 12, a middle part core 10, and a gap spacer 11. The gap spacer 11 has a cent...
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JP2008021788 |
To provide a multilayer inductor which shows an excellent DC superposition characteristic, can suppress an AC resistance at a low DC bias current, and has a high characteristic of a relatively gentle change in inductance in the entire cu...
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JP2008021906 |
To provide an inductance element which minimizes a copper loss caused by a current and has an excellent radiation heat performance.A choke coil 1 comprises a toroidal core 3, inner peripheral thick copper plates 4, 5 penetrating the toro...
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JP2008021688 |
To provide a core for a reactor having excellent heat radiation performance.The reactor 1 is provided with a circular core 2 consisting of a plurality of core pieces 20-25, and a coil 3 attached on the external circumference of the core ...
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JP2008021948 |
To provide a core for a reactor which is excellent in heat radiation.The core 2 consists of an inner core 21, an outer core 22, end cores 23A, 23B, and a gap 4 is attached on the core 2. The gap 4 is formed by distributing and disposing ...
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JP2008005171 |
To provide a small filter which is capable of reducing common mode noises and normal mode noises.The line filter is composed of two coils 12 and 13 which are different from each other in winding direction when they are wound on a bobbin ...
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JP2008004823 |
To provide a coil device which effectively utilizes a conductor pattern of a printed board while being able to flow a large current even if the winding number of coils is increased, and reduces its size while simplifying a production ste...
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JP2007184509 |
To provide a compact inductor of low profile, and has high power supply efficiency so as to be compatible with miniaturization technologies of DC-DC converters.The inductor is composed of a core which is integrated as one pair by bringin...
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JP2007180225 |
To provide a fixing structure of a reactor which can reduce vibrations of a product and an electric apparatus unit containing the structure.The fixing structure of the reactor comprises a PCU case 760, a reactor L fixed onto the PCU case...
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JP2007180140 |
To provide a compact magnetic component while reducing the vibration of a reactor.One of two magnetic connection sections 6 of the core of the reactor 1 is fastened to a bottom plate 21e of a metal case 21, and the other of the two magne...
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JP2007180145 |
To provide a compact magnetic component while reducing the vibration of a reactor.Sidewalls 21b, 21d of a metal case 21 arranged close to or adjacent to a magnetic connection section 6 of the core of the reactor 1 have large bending stif...
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JP2007180224 |
To provide a cooling structure of a reactor which is intended to reduce a reactor device in size and save a cost, and can restrain a reduction of a cooling efficiency of the reactor; and to provide an electrical apparatus unit equipped w...
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JP2007180129 |
To provide a comparatively inexpensive transformer integrated with a choke coil, with which the inductance value of the choke coil can be accurately and easily adjusted.The transformer is provided with a central axis 14 having a prismati...
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JP2007173700 |
To provide a magnetic component for achieving a temperature decrease of a coil while suppressing a complicated apparatus structure of a power electronic circuit device and an increase in its constitution.A freely planar main surface of a...
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JP2007173602 |
To provide an inductance element capable of preventing the easy breakage of a core even if vibration is applied or a substrate to be mounted has been bent.This inductance element 1 is provided with (1) a lower core 10 having a pair of le...
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JP2007173644 |
To provide a compact and thin plane inductor with large inductance per area that can be manufactured easily.A first substrate 10 and a second one 20 made of a semiconductor substrate are laminated. A plurality of first linear patterns 11...
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JP2007173384 |
To provide a flat magnetic element usable at a high temperature in which coil characteristics does not degrade nor coil wire breaks in manufacturing and which has high inductance.A flat coil is formed on a lower ferrite substrate. A magn...
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JP2007173628 |
To provide a core for a reactor capable of keeping a gap distance with a high accuracy and having an excellent manufacturability, and to provide a manufacturing method for the core and the reactor with the core.The core 2 is constituted ...
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JP2007173699 |
To provide a magnetic component capable of reducing an accommodating space in the inside of a case of a power electronic circuit device.End portions 12, 14 of a square first coil portion 10 and a square second coil portion 11 of a reacto...
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JP2007173702 |
To provide a compact magnetic component by highly accurately improving output density up to a permissible limit.A sensor holding spacer 18 is arranged on a gap between two coils each wound around column portions parallel each other of a ...
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JP2007165623 |
To provide a small and low-profile choke coil wherein the value of the DC superposition inductance is not reduced even when a thicker lead is wound to make the rated current larger.Two rivet-shaped cores 11 consisting of a magnetic subst...
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JP2007165407 |
To provide a choke coil excellent in electric characteristics and highly reliable.A bobbin 2 has first winding and second winding provided at an interval and has a flat bottom face. Molding coils 4 and 5 are single-layer-winding coils ma...
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JP2007165346 |
To provide a reactor where vibration and noise can be reduced without deteriorating rigidity of the reactor even if a void part for adjusting a magnetic saturation characteristic is formed in a magnetic core.The reactor is provided with ...
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JP2007159069 |
To solve the problem that a layered common mode filter is not available for a communication apparatus which performs high-speed differential transmission since a loss of ferrite becomes great in a high frequency band of GHz, an insertion...
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JP2007158142 |
To contribute to the weight saving of an outdoor unit for an air conditioner and to reduce the cost of a reactor.The reactor includes a square shape iron core 1, a central magnetic leg core 2, a coil 3, and an insulating means 4. The dim...
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JP2007149946 |
To provide a non-contact power feeding apparatus for stably feeding a voltage to be supplied to a load at the voltage equal to or lower than the allowable upper limit voltage by effectively controlling temperature rise of the saturable r...
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JP2007150209 |
To provide a common mode filter which can reduce stray capacitance at a coil.The layer structure body 3 of the common mode filter is obtained by laminating a conductor layer 10, an insulating layer 11, a conductor layer 12, an insulating...
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JP2007150307 |
To provide an inductor which can be easily produced, can be reduced in size, and can effectively remove common mode noise and differential mode noise, and a method of manufacturing the same.The inductor of the present invention comprises...
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JP3965837 |
To provide a connector suited for use in interposing an electronic component in a wire harness. Two terminal fittings 20B are molded while being interconnected by bridges 31, 32 and a choke coil 25 is placed on the bridge 31 and soldered...
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JP2007131830 |
To provide a urethane resin composition containing additives at a high filling ratio, having a high heat-radiating property, and suitable for working and for insulation treatment, etc., and to provide an electrical and electronic part su...
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JP2007134374 |
To provide a reactor device generating small noise inexpensively.The reactor device Y comprises a reactor X having a core 1 and a coil 2; a case 3 for storing the reactor X; and a sealing member 4 composed of inner and outer sealing memb...
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JP2007134594 |
To provide a common mode choke coil with both of common mode noise suppressing function and AC coupling function and mountable by utilizing a land provided in a high-speed digital differential line of an existing substrate.A coil unit 2 ...
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JP2007134631 |
To provide a power supply inductor which can be used in high-frequency current and large current.The power supply inductor 10 is used on a power circuit, etc., through which a current larger than that for a signal inductor flows. The pow...
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JP2007129146 |
To enable a reactor device to be reduced in size and in cost, to provide the cooling structure of a reactor capable of improving a reactor coil in heat dissipation properties, and to provide an electrical apparatus unit equipped with the...
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JP2007128984 |
To provide a magnetic part which has functions as a transformer, an input choke coil and an output choke coil as well as superior space efficiency, and which can reduce manufacturing cost.The magnetic part 10 structurally comprises a tra...
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JP2007128951 |
To miniaturize a reactor, to reduce loss and to reduce cost.The compound core of the reactor is constituted by combining two bar-like soft magnetic metallic pressed powder cores 11, and two plate-like soft ferrite cores 12. The soft magn...
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JP2007129149 |
To reduce noises which are generated by a reactor device Y due to the high specific gravity of a sealing member 4.The reactor device Y includes a reactor X provided with a core 1 and a coil 2, a case 3 which houses the reactor X, and the...
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JP3957940 |
To provide a reactor which is improved in heat radiating property by making the shape of its core compact, and so on. The coil of this reactor is constituted of an aluminum or copper wire and about 3/4 of the external surface of the coil...
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JP2007123306 |
To fix a wiring coil on the center in a magnetic body in order to stabilize characteristics of a choke coil.The choke coil comprises a winding coil 1 provided with leading-out portions 2 on both ends, a first magnetic body 5 made of a me...
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JP2007123596 |
To provide a small, and high efficiency DC reactor and a small inverter that suppresses at high level the harmonic current to the commercial power source.This DC reactor comprises a core structure with two cores 11 and 12 opposed via a p...
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JP2007123767 |
To provide a reactor planning to reduce noise by exactly supporting a core by improving the plane accuracy of the surface of a spacer.Since the plane accuracy of an entire spacer arranged at a gap g between an inside leg 2a of an E type ...
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