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JP2012090044A |
To supply drive power and a signal into the inside of a housing, which is rotated at a high speed, from the outside thereof continuously with stability while preventing interruption of the supply.A power supply part 41 supplies electric ...
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JP4925735B2 |
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JP4926765B2 |
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JP2012084495A |
To provide a slip ring where a metal surface of a sliding part is improved for a better durability.A slip ring is treated with fine particles by high-speed spray on a surface of a sliding metallic ring 1 transmitting electric signals, to...
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JP4925466B2 |
An electric motor that includes a rotor; a coil that is wound around the rotor; and a carbon brush that supplies power to the coil, wherein the brush is formed by using a raw material in which artificial graphite whose crystallites are f...
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JP2012080746A |
To improve a wire life of an armature coil 4 that is connected to a commutator segment 50 via a riser 51 by fusing.A riser 51 is arranged at one end of a commutator segment 50 to connect an armature coil 4 to the commutator segment 50 by...
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JP2012074139A |
To provide a slip-ring, a differential caster and an electrically-driven wheelchair that can be manufactured at a low cost by downsizing and reducing the number of components.A slip-ring is provided with rotary terminals 71,78 externally...
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JP4914261B2 |
To provide a motor apparatus capable of allowing a ground terminal to contact the inner surface of a gear housing, while assuring sealing performance of the gear housing. A wiper motor 10 comprises a yoke housing 20 in which an armature ...
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JP4908526B2 |
Each of the paired brush devices includes a brush in sliding contact with a commutator, a brush arm holding the brush, and a brush base to which the brush arm is fixed and which has a base hole. The pair of brush devices are disposed suc...
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JP3174578U |
The invention provides an improvement in a slip ring (20) adapted to provide electrical contact between a stator (21) and a rotor (22). The improvement includes: a current-carrying conductor (23) mounted on the stator; a brush tube (24) ...
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JP2012065480A |
To make drawing force when a power receiving cord is drawn from a cord reel to be constant.A cord reel 600 for storing a power receiving cord 250 for transmitting power includes: a drum 610; a spring device 660; and a resistance adding d...
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JP4901549B2 |
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JP4896628B2 |
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JP4896610B2 |
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JP4882189B2 |
It is to provide a brush-equipped motor enabled to be used for a long time without performing operations and without interruption even when the brush wears out. When a rotor is caused to perform a turning operation, cam projections simil...
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JP4874380B2 |
A slip ring platter for a contacting ring system comprising: a printed circuit board (PCB) with a first and a second side a first plurality of concentric spaced conductive rings located on the first side of the PCB, a first and a second ...
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JP4866986B2 |
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JP4842638B2 |
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JP4842637B2 |
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JP2011250516A |
To provide a brush device and a motor using a lamination brush in which brush vibration is reduced furthermore by preventing brush vibration (violent action) caused by a black bar at a level difference of a commutator from spreading.A br...
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JP2011222463A |
To provide a rotary electric connector in which electric contact resistance does not change and which can perform an operation while more stable current and voltage are supplied.The rotary electric connector includes an outer cylinder 2 ...
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JP4806711B2 |
An electrical connector is described. In one implementation, the connector includes a female portion including one or more electrical contacts and a male portion including one or more electrical contacts. The female portion and the male ...
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JP4802558B2 |
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JP4789220B2 |
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JP4792085B2 |
The electrical commutator brushes used on an electrical motor is produced as a pre-assembled module [60] that is mounted on a circuit board using locating dowels [56] and contact pins [44] . The carbon brushes [78] are mounted on leaf sp...
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JP2011193688A |
To provide a brush holder device that has a high moldability and can be manufactured at a low cost while suppressing upsizing.A brush holder 30 includes: a brush case 31 made of a metal; and a plate 32 made of a thermosetting resin. In o...
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JP4781709B2 |
To provide a motor wherein torque is increased and the hooking of an electric wire on a commutator piece is improved for the promotion of downsizing and defective soldering is eliminated when the electric wire is soldered to a commutator...
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JP4782503B2 |
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JP2011182507A |
To provide a brush device and an electric motor wherein it is possible to stabilize the position of abutment in slidable contact between a commutator and a brush.The brush device includes a brush unit 40 having first and second brushes (...
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JP4773977B2 |
A rotating electrical machine, which is a direct current motor, includes carbon brushes. Each carbon brush contains graphite grains, metal particles, and solid lubricant, which are sintered in a dispersed state. The graphite grains are e...
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JP4755266B2 |
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JP2011147304A |
To provide a brush for a DC motor that can be surely brought into contact with a commutator with little variations of contact pressure and never easily produces a permanent deformation due to deformation at the time of installation or us...
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JP4733032B2 |
Commutator for an electric machine, especially an electric motor for vehicle actuators. The commutator has commutator segments (12) mounted on a commutator body (11). The latter is configured as a hollow cylinder with the commutator segm...
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JP4732671B2 |
In a hook commutator of the prior art, a soldered connection (15), which connects a carbon segment (13) to a lamination (11) can become detached, since in the hot staking process for securing the winding wire, heat is produced. A hook co...
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JP4718718B2 |
An inclined function material is formed with an iron layer on a surface of a carbon material. This material can be used in a carbon base member and does not limit the choice of desired characteristics in a carbon base member. The process...
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JP4712651B2 |
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JP4708123B2 |
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JP4703373B2 |
To improve cost performance and to make the number of slip rings of a slip ring mechanism appropriate as much as possible in an X-ray computerized tomographic apparatus. The X-ray computerized tomographic apparatus is provided with: a ro...
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JP4698531B2 |
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JP4693019B2 |
A nonpolarized electrical connector assembly (10) includes a receptacle connector subassembly (20) and a plug connector subassembly (100). The receptacle connector subassembly (20) can be mated with an electronic component subassembly, s...
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JP4677449B2 |
The invention relates to the production of a planar commutator with a carbon running surface, wherein an annular closed corrugated conductor blank ( 1 ), comprising conductor segments ( 3 ) and bridging parts ( 4 ) connecting said bridgi...
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JP4678478B2 |
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JP2011078236A |
To provide a commutator motor provided with a brush holder available in common between products having different brush shapes and a power tool provided with the commutator motor.The commutator motor includes a rotor accommodated in a hou...
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JP2011061973A |
To obtain a brush apparatus with a few and simple processes, to stably fix a carbon brush and a brush spring, and to improve quality.The brush apparatus 10 is provided with: the carbon brush 20, having a front part 21 on a sliding face 2...
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JP2011055677A |
To provide a carbon brush device with improved efficiency.One end of a main pigtail 66 is connected electrically at the base end of a carbon brush 65. One end of a bypass pigtail 67 is connected electrically at a position on the side clo...
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JP2011054441A |
To obtain a precise electrical connection which lasts over a long period of time by preventing sticking of abrasion powder, with a simple structure.A rotor 10, with a first rotating part 11 having slip rings 111 fitted on an inner periph...
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JP4650809B2 |
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JP2011508585A |
A multilayer brush, which essentially contains a composite having a graphite component and having a copper component, and a layered structure, a first layer being furnished with a high copper component and a further layer being furnished...
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JP4643180B2 |
To improve insulation performance between channels of a slip ring mechanism in an X-ray computed tomograph equipped with the slip ring mechanism. This X-ray computed tomograph is provided with an X-ray tube 3 generating an X ray, an X-ra...
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JP4638884B2 |
A brush-holder system for an electric motor which is the type which has a rotating commutator that is journaled in a first motor housing portion, the assembly includes a second motor housing portion configured to be matingly connected to...
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