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JP2006211758A |
To reduce the vibration of the tip-side part of a brush holder and sliding noise generated between a commutator and a brush due to the vibration.This motor with the brush comprises the band-shaped brush holder 3 that makes the brush 2 pr...
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JP2006211814A |
To provide a motor capable of suppressing temperature rise of a carbon brush.A notch is provided to the position of a brush holder 36 other than a pair of lengthwise sides 36a and 36a, and a pair of lateral sides of the carbon brush 35 i...
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JP3805912B2 |
To join at low cost by installing a commutator body for fixing both segments joined in a ring shape, containing metal in a projection part of a carbon segment, and caulking the projection part inserted into a through hole of a metal segm...
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JP3804511B2 |
To provide a motor which can achieve a significant dimensional reduction and weight reduction, while its output is not reduced, and to provide a motor-driven apparatus such as an electrical apparatus, a motor-driven tool, etc., which can...
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JP2006517776A |
A commutator for an electric machine comprises a support member ( 1 ) made from an insulating molding compound, a plurality of metal conductor segments ( 3 ) disposed thereon in evenly spaced manner around the commutator axis ( 2 ), with...
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JP2006191749A |
To provide a brush manufacturing method and a brush capable of restraining the initial wear of a brush.In the manufacturing method for a brush 36, a part 52 of the surface of a baked body 51 is cut. This permits a portion where second co...
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JP3798684B2 |
To provide a rotating electric machine and a manufacturing method therefor wherein disturbance in commutation, lowering of motor efficiency, and vibration and noise produced from an armature are prevented, and further, slip noise from a ...
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JP3797662B2 |
To prevent increase of electric resistance of a lead-wire-attached part and a brush, in a lead-less copper graphite brush. This copper graphite brush includes particles with an average particle diameter of 15 μm or less, of a copper - z...
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JP2006187190A |
To provide a brush, a commutator and a commutation mechanism that are superior in commutation properties and durability.A commutator 5 in a DC electric motor has a plurality of commutator pieces 6 that comes into contact with a brush 4, ...
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JP2006187111A |
To provide an electric brush that is suitable for a small motor comprising permanent magnets and that has a long lifetime even in use under a high voltage environment.In this electric brush, the content of a metal is 70-95 wt%, the conte...
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JP3792282B2 |
PURPOSE: To provide a compact and light-weight starting and generating apparatus for a vehicle, wherein the inertia of a rotor is small and the durability of a brush is excellent. CONSTITUTION: In a starting and generating apparatus for ...
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JP2006174586A |
To provide a brush device capable of reducing the number of parts.The brush device 31 includes: an insulation base member 5 formed with a brush storing recess section 5c axially having an opening; a brush 10 disposed in the brush storage...
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JP2006166593A |
To provide a novel commutator wherein the circularity of commutator pieces arranged at equal intervals around a holder is enhanced and the commutator pieces are prevented from coming off so that sufficient strength can be delivered even ...
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JP2006158582A |
To simplify maintenance work and improve its efficiency.A brush thickness detecting part 341 detects a decrease value of the thickness of a conductor brush 321 decreased by abrasion of the conductor brush 321 by relatively moving with it...
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JP3789291B2 |
To prolong the life of a small DC motor by providing slide contact materials whose alloy composition do not contain a hazardous substrate such as Cd, excellent in contact resistance properties and free of variation with time, having wear...
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JP2006158032A |
To inhibit a reduction in the motor efficiency due to an abrasion of a brush, and maintain the high efficiency.A DC motor is provided with a stator and a rotor. The rotor includes a shaft, a commutator and an armature provided on the sha...
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JP3784683B2 |
To provide a motor which has a brush holder comprising a holder main part holding a brush and a connection part, connects the holder main part with a connector unit exposed from a housing and is partially held between a yoke housing and ...
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JP2006149154A |
To prolong a lifetime of a motor with a brush, without enlarging an outline dimension of a motor housing.The motor with the brush includes brushes 30a, 30b held in the motor housing 10, coil shape springs 32 which energize the brushes 30...
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JP2006149144A |
To provide a sliding contact for a micro motor, being environment-friendly, of which wear resistance of a commutator and brush is improved than before, for better connection to a copper wire.The sliding contact comprises a brush 16 compr...
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JP2006136087A |
To provide an inexpensive DC machine with a linear rectifying characteristic.A motor 1 is provided with two brushes 5a, 5b. The brushes 5a, 5b have double layer structures each comprising a high-resistance sections 12 with a high-resista...
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JP3775625B2 |
To provide a commutator which is capable of reducing the contact voltage drop between a brush and a touching section. A commutator 60 consists of a contacting section 61 which slides on brushes and a supporting sections made out of resin...
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JP2006121805A |
To provide a brush unit in which the cost can be reduced by performing inter-brush connection through a simple arrangement, thereby facilitating the manufacture.The brush unit 10 comprises a tubular metallic brush holder 13 so as to exte...
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JP2006116114A |
To feed electric power or electric signals from the fixed side of an electric lifting device to an electric device by a structure with simple outside appearance.In the electric lifting device 2, a belt 5 is wrapped on a belt hanger 4 of ...
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JP3773853B2 |
To provide a brush holder which can be standardized for use irrespective of the existence of a choke coil. This brush holder 8 is formed integrating its holder body 17 with a power supply portion 15 and a uniting portion 18. Inside the e...
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JP3771963B2 |
To transmit an electric signal in a noncontact manner between two relatively moved systems, by a method wherein a conductor is installed along the start of a relative motion at one of the two relatively moved systems, both ends of the co...
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JP3773690B2 |
To prevent device malfunctions which depend on an abnormal signal due to water drops by detecting the water drops permeating a space defined between the first transmission means and the second transmission means. A conductor ring 604 for...
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JP3770476B2 |
To prevent increase in lead wire fitting resistance or brush resistance in a lead-less metal graphite brush. Indium of 0.4-8 wt.% is added to the lead-less metal graphite brush containing graphite, copper, and a metal sulfide solid lubri...
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JP3771836B2 |
To obtain an alternator and a brush abrasion detecting system by which the driver of a vehicle can recognize the abrasion limit of a brush before it is reaches the limit and can replace the brush conveniently before incomplete power gene...
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JP3769134B2 |
To stably carry a large electric current while forming an electric connector as a compact and simple structure when carrying an electric current to mutual hand side and arm side earth cables for flowing a welding earth current by respect...
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JP3767554B2 |
To provide a small and low noise brush motor for an electric power steering unit exhibiting a good steering feeling in which temperature rise is reduced effectively at a brush section and the number of components is decreased. The brush ...
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JP3767546B2 |
To obtain a brush arrangement equipped with a brush holder wherein slidability to a brush which comes into contact with a segment of a commutator, and corrosion resistance and heat resistance are improved. The brush arrangement is equipp...
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JP2006101666A |
To provide a motor with brush in which the lifetime of a contact oil supply function can be prolonged.In the motor with brush comprising a commutator where three commutator segments 20 are arranged in contact with each other through a ga...
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JP3766129B2 |
To effectively suppress noises by providing a wound rotor, where a chip capacitor is connected between a star point connection ring and the terminal part of a rectifier. A noise suppression device 41 is provided with an annular substrate...
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JP2006094637A |
To provide a brush that can properly reduce the wear of a brush.The brush 36 is composed of first aggregated particles 43 generated by mixing first copper particles 41 whose particle diameters are not larger than 30μm and first graphite...
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JP3764094B2 |
To provide a motor in which the structure can be simplified while enhancing the positinal accuracy of a brush. In a motor comprising a tubular yoke 1, a bracket 2 closing the opening of the yoke 1, magnet 3 being secured to the inside of...
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JP3764097B2 |
To obtain a connection method which can be performed in a narrow working space and welding equipment which can reduce a space necessary for work. The welding equipment 40 of connection equipment 10 is provided with an electrode 52 which ...
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JP3120243U |
To slim down and give strength to a table tap in order to attach a table tap in the middle of a cord so that a table tap is provided in the middle of a cord of a cord reel, and to wind the table tap around a reel. Therefore, since the ta...
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JP3760959B2 |
To prolong the life of a vehicle alternator and reduce the weight and size of the vehicle alternator. Collector rings with which the field coil, battery and voltage regulator of a vehicle alternator are electrically connected to each oth...
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JP2006074912A |
To suppress local concentrated wear in a commutator.A motor includes a plurality of brushes 40 and the commutator 20 having an outer surface 24 with which the plurality of brushes 40, are brought into contact when pressed. Tips 48 of the...
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JP2006074906A |
To provide a commutator device that is manufactured at low cost and has a long brush life.The flat commutator device is so constructed that brushes are abutted from the direction of rotation axis and rectifying portion pieces and a slip ...
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JP2006074913A |
To provide a direct-current motor wherein the displacement of an electrical neutral point can be eliminated and yet increase in size or cost can be prevented.The direct-current motor 1 has an electromagnet 50 in a position shifted in the...
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JP2006060895A |
To provide a rotary electric machine, a commutator, and a manufacturing method for commutators wherein collision between a step between commutator pieces and a brush is suppressed and noise can be reduced during operation.An impact buffe...
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JP2006506535A |
A commutator comprising a first and a second plate arranged to move relative to one another is provided. One of the plates comprises at least one input port arranged to allow a fluid to enter the commutator and one of the plates comprise...
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JP3749295B2 |
To improve the formation of the electric contact of a carbon brush in a motor having a carbon brush, and improve the assembly method for the motor. This motor has carbon brush receivers equipped with receiving housings 20 and 21, wherein...
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JP2006050771A |
To provide a DC motor brush that wears less under a high temperature, and to provide a manufacturing method thereof.The DC motor brush contains a carbon material including a graphite, a carbon tube subsuming material subsuming metal atom...
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JP2006050737A |
To provide a brush having a boundary surface simply and visually confirmed during an operation and disposed between a low resistance layer and high and intermediate resistance layers located under the low resistance layer.In the brush co...
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JP2006050736A |
To provide a brush having a boundary surface simply and visually confirmed during an operation and disposed between a low resistance layer and high and intermediate resistance layers located under the low resistance layer.In the brush co...
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JP2006504377A |
The invention relates to a commutator for an electrical machine, comprising a carrier body (1) produced from a moulding material, and a plurality of metallic conductor segments (3) which are homogeneously arranged on said carrier body ab...
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JP3741834B2 |
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JP2006025568A |
To provide a metal graphite brush that suppresses an increase in specific resistance under high temperature and high humidity and that is highly reliable.With regard to a metal graphite brush containing an organic compound including satu...
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