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JP4301528B2 |
PCT No. PCT/EP96/01607 Sec. 371 Date Oct. 21, 1997 Sec. 102(e) Date Oct. 21, 1997 PCT Filed Apr. 17, 1996 PCT Pub. No. WO96/33534 PCT Pub. Date Oct. 24, 1996A process for manufacturing collectors, in particular flat collectors for electr...
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JP4293430B2 |
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JP4287547B2 |
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JP4286484B2 |
A direct current motor according to the present invention is provided with a stator 2 in which coils 4 corresponding to N phases are arranged almost at equal intervals in a circle-circumferential direction of stator cores 3, a rotor 8 in...
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JP4283029B2 |
For the purpose of preventing resin from flowing into a commutator when resin molding a rotor, a rotor for a flat coreless motor comprises a printed wiring board, on one side of which a plurality of air-cored armature coils are provided,...
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JP4286225B2 |
An electrical current collector system has an electrically conductive slip ring mounted to a rotatable shaft and a fixed conducting ring assembly forming a partially enclosed AC high voltage electrical current conductive ring channel in ...
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JP4283583B2 |
There is described an electric connecting unit (2) for a helicopter (1), having a stator (15) connected rigidly to a fixed part (11) of the helicopter and fitted with first electric contact means (16); and a movable member (17) rotated a...
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JP4282014B2 |
Each terminal (8) includes an upper arm portion (9), a middle arm portion (10), and a lower arm portion (11). A cam portion of the pressing portion member is supported and guided between the upper arm portion and the middle arm portion, ...
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JP4279582B2 |
In an electric motor having a brush holding portion for holding a brush and a pigtail holding means for holding a pigtail connected to the brush, on a holder surface of a brush holder, the pigtail holding means holds the pigtail in both ...
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JP2009131078A |
To provide an electric motor capable of reducing installation space for a brush holder and of effectively shortening the shaft.In this electric motor, the bottomed tubular brush holder 19 is inwardly mounted with a brush 18 in an energiz...
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JP2009129782A |
To prevent the occurrence of a short circuit between electrodes as much as possible, to form a high-precision electrode by a simple method, and to downsize the whole of a device.In the slip ring 31, a plurality of different electric sign...
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JP2009131046A |
To provide a method of manufacturing a commutator, capable of reducing wasting of materials and improving yield, and to provide a commutator and an armature.Wire connection claws 6 made of an independent different member are each fixed o...
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JP2009124797A |
To enhance ease of work of assembling a torsion coil spring that biases a brush toward a commutator.Anchoring grooves 15 are formed in the outer side face of an end cap 3 fixed on a motor case 2. The anchoring grooves are extended from o...
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JP4273366B2 |
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JP2009117090A |
To solve a problem that, with a conventional electric cord, plug and socket, the cord is twisted if it is continuously rotated, and leakage or break tends to result.The electric cord, the plug and the socket prevent leakage or break by b...
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JP4268522B2 |
A resin bonded graphite material which is especially suitable for use as an electric contact, and a method for the production of this resin bonded graphite material. According to the invention, the resin-bonded graphite material if forme...
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JP2009112193A |
To provide an improved commutator for an electric motor.The commutator 10 for an electric motor has a plurality of commutator segments supported by a base. Each segment has a conductive body portion 14 and at least one conductive foldabl...
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JP2009112177A |
To provide a DC motor effectively reducing operation noise.Each gap S between the segments 16 of a commutator 15 is made constant while a segment width pitch is made to be unequal. Each segment 16 is disposed in a disposition order to be...
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JP2009106087A |
To provide a carbon graphitic carbon brush that contributes to the fine brake performance of a motor for an electric power tool having a brake function and to the longer life of a brush and a commutator.The carbon brush used for a motor ...
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JP2009096560A |
To provide a current collector capable of having a compact constitution by comparatively reducing an occupied space even when more control wires and wires for supplying power are required.In this current collector 10, a plurality of slip...
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JP2009094039A |
To solve the following problem: in a conventional extension cord, since it is left lying about in many cases, its beauty is spoiled thereby, and there is a danger of stumbling.A connector using an outlet by pulling it out is provided. In...
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JP3150015U |
To provide an electric drum capable of reliably fastening an end portion of an electric cord on a plug side to the drum without requiring an accessory part when the electric cord is wound around the drum. A drum (4) having flanges (3) an...
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JP2009089576A |
To provide a novel commutator which very much strengthens the fastening force of commutator segments arranged around a holder at equal intervals to be able to endure strong impacts, even without a washer.The commutator 1 is constituted b...
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JP4252795B2 |
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JP4252582B2 |
An object of the present invention is to provide a commutator or brush material for a small electric DC motor which enables a lengthened operating life of a spindle motor for a DVD controlled using a pulse current. A commutator material ...
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JP4248302B2 |
The commutator pivot switch has carbon guides and 2 stator contacts that make contact with contact rails conductively connected to the diametrically opposed carbon guides. One contact rail with 2 contact points extends over at least half...
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JP2009071961A |
To provide a DC motor which can control backlash of a power supply brush which slides on a sliding surface consisting of a plane intersecting the axis perpendicularly.The DC motor M includes a commutator 14 provided with a sliding surfac...
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JP2009064675A |
To increase the production yield of a contact plate.When forming the contact plate 27, a conductive sheet material is stamped out to form a plate body 28. In this case, an interruption notch 29 is formed in an inner peripheral of the pla...
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JP4245687B2 |
A device for transferring electrical charge from an electrically conductive element to a rotating element is provided. The device has a body including a pultruded composite member having a multiplicity of electrically conductive fibers p...
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JP2009059587A |
To provide a slip ring that can be constituted inexpensively by drastically reviewing points such as inferior assembling performances causing cost increasing factors, and structure of the ring or the like in a slip ring mechanism.The sli...
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JP4237728B2 |
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JP4237192B2 |
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JP2009043558A |
To provide a slip ring capable of improving assemblability and reducing parts unit price.The slip ring 100 is constituted of a rotation side substrate unit 130, a fixed side substrate unit 131, and a retaining member unit 132. Then, the ...
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JP4230358B2 |
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JP2009038913A |
To provide a manufacturing method for commutators, wherein a commutator are easily manufactured and it is so structured that a commutator piece is hardly broken away from an insulator.The manufacturing method comprises the steps of: roun...
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JP3148447U |
To provide an electric drum which does not cause deformation of a product during transportation. An electric drum includes a fixed base, a power cord having a plug attached to the tip thereof, and a rotating drum rotatably supported by t...
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JP4223837B2 |
A brush device having the longitudinal direction of a coil spring aligned with the face of a brush holder, in which one end of a support post at the surface of a brush base is formed as a hollow cylinder and a projection at the other end...
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JP2009027807A |
To provide a motor 1 which suppresses deterioration in commutation by maintaining a brush 3 and a commutator in an excellent and stable contact state.The commutator surface 8 in contact with a brush 3 is inclined to the surface orthogona...
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JP2009027791A |
To provide a carbon commutator configured so that separation between a riser and a segment is prevented and compaction is not impaired.The riser 4 constituting the commutator 1 comprises a segment joining portion 4a connecting to the seg...
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JP2009011060A |
To provide a commutator in which insulation can be assured between coupling portions that mutually adjoin in the circumferential direction.The commutator 25 includes twenty four segments 31 arranged in the circumferential direction, a sh...
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JP2009000334A |
To provide an endoscope connector device for stably retaining an electrical connection feature over a long period of time without making an electric contact wear away and for preventing the occurrence of an inappropriate electrical conne...
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JP4205550B2 |
A holder-side connecting portion 10c provided on a brush holder 10 and a connector-side connecting portion 16b provided on a connector portion 16 are electrically and mechanically connected with each other. The holder-side connecting por...
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JP2008310978A |
To provide a slip ring inexpensive and superior in reliability.The slip ring 20 includes a plurality of conductive rings 21 electrically connected to a pan unit 13, a plurality of conductive brushes 30 electrically connected to a fixed p...
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JP2008547364A |
The invention relates to a flat commutator (101) comprising a support body (102) that consists of an electrically insulating material, a large number of connecting segments (108) consisting of an electrically conductive material for conn...
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JP4200095B2 |
In an electric commutator machine provided with a brush bag according to prior art, the brush bag is arranged with fixing lugs in a relatively loose manner with respect to a brush holder. The inventive commutator machine (1) has a brush ...
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JP4202590B2 |
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JP4197297B2 |
The termination device (10) has 2 electrically-insulating parts (16,19) fitting around a holder (22), with a conductive part (25) formed separate from the holder and secured to one insulator part, all of the components coupled together i...
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JP4195861B2 |
The present invention relates to a brush holder assembly for holding a brush having a conductive element, the brush holder assembly characterized by an elongate mounting block (16) having an upper end, a lower end, and first and second s...
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JP2008300039A |
To provide a manufacturing method of a slip ring wherein an abnormality in quality such as burrs or warpage is not easily caused, and a large creepage distance can be secured.In this manufacturing method of the slip ring having a plurali...
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JP2008544467A |
The invention relates to a closed loop conductor blank for a drum commutator (T). The conductor segments are interconnected via bridge sections. One end face of the conductor segments comprises connecting projections (7) as well as inwar...
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