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JP6646387B2 |
An electric motor for a blower and the like has a commutator and a brush assembly for making electrical contact with the commutator. The brush assembly includes a brush holder and a brush slidably mounted to the brush holder. The brush h...
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JP6635683B2 |
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JP6635684B2 |
A brush holder system includes a stationary support member having at least one groove, and a fork electrical connector. A brush retainment member is configured to be releasably affixed to the stationary support member. The brush retainme...
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JP6631388B2 |
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JP6627270B2 |
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JP6627302B2 |
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JP2019221059A |
To provide a commutator that excels in durability and a method of manufacturing the commutator, etc.There is provided the method of manufacturing a commutator 14 that comprises: a commutator body 100 formed with a through-hole 101 into w...
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JP6623695B2 |
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JP2019216524A |
To provide a commutator that reduces occurrence of radio noise and improves peel strength of a segment piece.A commutator 47 of the present invention is attached to a rotating shaft of an electric motor, and includes a tubular commutator...
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JP2019216546A |
To provide a rotary electric machine which can appropriately use a brush.A rotary electric machine comprises: a commutator 24 provided coaxially with a rotator 23; a brush 30 arranged on an outer periphery of the commutator 24 and conduc...
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JP6613780B2 |
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JP6615314B2 |
A brushed motor includes a shaft inserted in a cylindrical stator, a rotor including a core provided on an outer circumference of the shaft to face the stator and a coil having a distributed winding structure wound around teeth of the co...
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JP6615690B2 |
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JP6610437B2 |
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JPWO2018146971A1 |
A motor comprising a rotor, a permanent magnet, a brush card assembly, a back cover, and a housing. The rotor has a core fixed to the shaft, a coil for exciting the core, and a commutator electrically connected to the coil. The brush car...
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JP6609578B2 |
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JP6609507B2 |
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JP6608478B2 |
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JP2019198159A |
To provide a motor capable of suppressing increase in cost while suppressing generation of noise due to a high-frequency current component or the like.A motor includes: a rotation shaft; a commutator body 120 externally fitted and fixed ...
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JPWO2018135162A1 |
Copper graphite brush is B2O3It contains a boron compound of 0.1 mass% or more and 2.0 mass% or less in terms of boron oxide or boric acid.
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JP6596674B2 |
Commutator of the present invention includes electrically conductive part, resin part, ceramic part, first mixing part and second mixing part. First mixing part contains an electrically conductive material and a ceramic material in mixtu...
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JP2019187204A |
To provide a brush holder device capable of realizing a noise removal function by a choke coil without ensuring a new space on a holder base, while imparting a power supply function to a brush spring, and thereby capable of achieving red...
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JP6595594B2 |
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JP2019176667A |
To facilitate assembly when a slip ring is formed by performing multilayer coupling of ring-like conduction plates and ring-like insulating plates.A slip ring is constituted so that angle positions of an insulating pin (60) inserted into...
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JP6588792B2 |
The brush device (100), which has one pair of brushes (30A), (30B) slidably in contact with a disk-shaped commutator, is equipped with: a first brush unit (101) which has a first brush (30A), a first terminal (40A), and a first pigtail (...
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JP6582817B2 |
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JP2019165567A |
To enable grasping the amount of brush wear in a motor device.A motor device 10 is provided with: a rotor 3 rotating integrally with a shaft 1; a brush 5 having a slide-contact surface 5a slide-contacting with the rotor 3; a spring membe...
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JP2019165550A |
To provide a motor that can be used in a wide range of applications.A motor 1 includes: a shaft; an amateur having a commutator; a pair of brushes 20; and a first connection portion 71 and a second connection portion 72, each of which ca...
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JP6580204B1 |
To obtain a brush motor capable of fixing a lead wire with a limited layout and preventing the brush holder from moving even when an external force is applied to the lead wire. A brush 15 which is slidably contacted with a rectifier 9, a...
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JP6580754B2 |
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JP6581378B2 |
An electric motor has a stator, a rotor rotatable with respect to the stator, motor windings, a connection plate electrically connected to the motor windings, and a power lead for connecting the motor to a power source. The power lead is...
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JP2019161821A |
To bring a motor with a brush into contact with a commutator at a fixed angle irrespective of a wear state of the brush to obtain stable output.In a cover member 18 constituting a motor 10 with a brush, a pair of brushes 20a, 20b are sto...
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JP2019161985A |
To provide a collector structure capable of constantly maintaining good electrical connection/insulation state between a collector ring and a conductor penetrating through the collector ring.The collector structure having a collector rin...
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JP6574984B2 |
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JP2019154166A |
To suppress conduction of a first winding part with a second winding part at an intersection part.A holder 34 of a commutator 26 has: a holding part 38 which holds a plurality of segments 30 from the inside; and a first projection part 4...
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JP6560820B2 |
The invention relates to a method for limiting wear of electric motor brushes of an electric or hybrid vehicle, comprising: a step (100) of estimating the wear of said brushes (w); and a step (200) of limiting a maximum mechanical power ...
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JP6558866B2 |
Each cross-section of the connector member assembling hole and the assembly main body 51a in a direction intersecting the insertion direction has a point-symmetrical circular shape with the insertion shaft center FC as the center. A pair...
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JP2019134593A |
To provide an electric motor capable of effectively reducing conduction emissions that are likely to occur in a four-pole motor.An angle α formed by a pair of brushes 50, 50 is an intermediate angle between a first angle at which only o...
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JP2019134651A |
To provide a brush device which can suppress a noise bypass between a circuit of a choke coil on the first terminal line side and a circuit on the second terminal line side.A feeder circuit from a connector part 33 to a brush 38 includes...
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JP2019134594A |
To provide an electric motor capable of effectively reducing conduction emissions that are likely to occur in a four-pole motor.A thickness d in a circumferential direction of a pair of brushes 50, 50 facing a commutator 40 is narrowed i...
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JP2019134650A |
To provide a brush device capable of releasing a stress applied to a connection portion of a feeding terminal with a chalk coil.A chalk coil 43 includes: a core material 45 provided on a holder member 31 along the axial direction of an a...
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JP6552876B2 |
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JP6552451B2 |
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JP6552340B2 |
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JP6547863B2 |
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JP6549120B2 |
A laminated carbon brush for a liquid pump motor slides in a liquid fuel on a disk-like commutator. The laminated carbon brush includes two layers of a lower resistivity layer and a higher resistivity layer. In both the lower resistivity...
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JP6548464B2 |
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JP2019122179A |
To solve a problem in which, in brushed motor, when the brush is urged by point contact by an arm of a torsion spring, the brush tilts so that the slide contact between the brush and a commutator becomes unstable and the stabilization of...
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JP2019122051A |
To provide a brushed DC motor capable of more accurately grasping a brush wear condition.In a brushed DC motor including a stator, an armature core held rotatably for the stator, a commutator held so as to rotate integrally with the arma...
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JP6545045B2 |
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