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JP5644909B2 |
An aspect of the present invention provides a brush in which positional accuracy of elastic contact pieces is enhanced while production cost is reduced by simplifying production, whereby the brush includes a support that is connected to ...
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JP2014230346A |
To provide an electric blower with high durability and reliability.The electric blower includes: a motor (not shown) which has a rotor (not shown) with a shaft (not shown) with a commutator (not shown) attached thereto and an armature wi...
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JP2014225979A |
To provide a slip ring device capable of facilitating cooling of a brush.A slip ring device 10A has units U1 to U3 including brushes 12a to 12c contacting with ring members 11a to 11c and outer bus bars 14a to 14c having terminal parts 1...
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JP2014225952A |
To enhance the functional reliability of a slip ring, by making a brush less likely to wear.A dynamo-electric machine 101 includes an inner rotor 10, an outer rotor 20, a stator 30, an input shaft 40 which rotates when a vehicle performs...
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JP5630018B2 |
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JP5627208B2 |
A rail brush assembly for an electric motor having a commutator, comprises a brush, a spring, a pair of rails and at least one detent for retaining the brush on the rails. The brush has a groove on each of a pair of opposite sides. The r...
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JP2014217114A |
To provide a brush device in which reduction effect of a high frequency noise is improved.In a brush device 40 installed in a direct current motor 1, a brush holder 21 holding a brush 20 surrounds at least a part of the brush 20 and touc...
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JP2014217263A |
To provide a brush motor in which the pressing force to a commutator, incident to wear of a brush, can be held with only a torsion coil spring, and stable rotation drive can be obtained over a long term with a small size.In a brush motor...
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JP2014209823A |
To provide a DC motor capable of effectively preventing brush discharge without using conventional highly resistant brushes.The DC motor includes: a commutator 4 whose neighboring commutators 4B, 4B are lined up in a rotary peripheral di...
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JP5618622B2 |
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JP5619832B2 |
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JP5619413B2 |
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JP2014205609A |
To provide a method for manufacturing a commutator, which can form sufficient connection strength between a metal layer and graphite bars in commutators for an electric motor.A commutator comprising a plurality of commutator bars 12 form...
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JP5612368B2 |
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JP5609120B2 |
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JP5597691B2 |
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JP2014183721A |
To provide a rotary electric machine capable of reducing an exciting force of a desired degree.A vehicular motor 10 comprises a yoke housing 14, and four magnets 12 joined on a radially inside surface of a peripheral wall 18 of the yoke ...
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JP5593711B2 |
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JP5594036B2 |
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JP5595277B2 |
Disclosed is a motor in which a commutator (10) is provided with connecting wires which short-circuit equipotential segments; brushes (21) are constituted by a low-speed brush (21a), a high-speed brush (21b), and a common brush (21c) use...
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JP5591460B2 |
A DC motor, has a stator housing 16 accommodating a permanent magnet stator; a rotor 15, rotatably mounted confronting the stator, the rotor having a shaft 21, a rotor core 22 fitted to the shaft and having laminations forming salient po...
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JP5592686B2 |
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JP2014166005A |
To provide a DC motor with a brush capable of maintaining a performance even in the situation where vibration is added.A DC motor M with a brush comprises: a yoke housing 6 with which (n) poles ((n) is an even number equal to or more tha...
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JP2014166007A |
To provide an armature capable of materializing sufficient corrosion resistance with a simple configuration when an aluminum coil is used for reducing cost and weight and to provide a DC motor.An armature 3 includes: an aluminum coil 2 o...
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JP2014166006A |
To provide a DC motor with a brush capable of cutting off or reducing conduction of heat between the inside and the outside of the motor.The DC motor with the brush comprises: a yoke housing 6 with which magnets are fixed on an inner wal...
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JP2014161155A |
To solve a problem that use of a metal front plate for improving heat radiation performance leads to motor mass increase and cost increase due to use of a member having electric insulation properties and thermal conductivity.A direct cur...
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JP2014161223A |
To provide a small PMDC (permanent magnet direct current) motor with high power.A small permanent magnet direct current motor comprises a housing accommodating a permanent magnet stator and a wound rotor. The rotor comprises a rotor core...
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JP2014158360A |
To provide an electric motor that is able to reduce costs by collecting and simplifying terminals.An outsert terminal 90a comprises: a flat pig tail weld part 91 where two pig tails 76a are spot-welded; a terminal connection part 93 exte...
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JP5579467B2 |
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JP5578755B2 |
An electric machine including armature equipped with armature slots for accommodating armature coils, a commutator equipped with commutator segments, and a first and second hammer brush that each rest against the commutator in sliding fa...
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JP2014155416A |
To provide a small electric motor.As shown in Fig. 6a, a second lead wire 39: starts from a second segment; is wound around a second slot 22; is connected to an eighth segment; starts from the eighth segment; is wound around a fifth slot...
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JP2014147171A |
To provide a rotary electric machine which reduces the number of components and the number of assembly work hours thereby reducing the costs.A rotary electric machine 10 includes: an armature 20 having a commutator 28; a brush 34 which s...
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JP2014147232A |
To provide a commutator and a DC motor in which a contact state between an aluminum wiring and a copper segment which are different materials can be surely confirmed and corrosion prevention can be achieved when the aluminum wiring is us...
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JP5571986B2 |
To efficiently execute cooling of slip rings and brushes without increasing the size of a configuration of a rotary electric machine.Each air-blowing blade 100 is erected on each bus bar 99u, 99v, and 99w for electrically connecting each...
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JP5560625B2 |
To reduce a pressing force to a slip ring of a brush in a rotary electrical machine, at non-energization as compared with respect to that at driving time. A pressing mechanism 40 for applying the brush pressing force to the slip ring inc...
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JP5553768B2 |
The invention relates to a retaining element (1) for a commutator sliding contact (2) of an electric motor (4), comprising a spring section (5) that can be biased by means of bending. The invention provides that the spring section (5) is...
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JP5553859B2 |
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JP5543045B2 |
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JP5542585B2 |
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JP2014128103A |
To provide an electric motor in which a brush holder can be easily assembled with a rotor even in the case where a small-diameter bearing is disposed outside of the brush holder.A sharp-pointed jig 90 is mounted to a motor shaft 52, and ...
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JP2014124008A |
To provide an electric blower free from abnormal stop caused by fixation of a carbon brush.An electric blower includes: a rotor including a commutator 11 provided in a shaft 3, and an armature core having an armature winding wound thereo...
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JP2014124046A |
To provide an electric blower increased in intensity against the rotation of a commutator.An electric blower includes: a rotor 5 having a shaft 6 having an armature core 7, a commutator 9 and a bering 10 penetrated therethrough, and an a...
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JP5536643B2 |
A motor including a magnet, an armature, a common brush, a low-speed drive brush, and a high-speed drive brush is disclosed. The magnet forms four or more magnetic pole portions. The armature includes a rotation shaft, an armature having...
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JP5535312B2 |
An electrical machine, in particular an electric motor, has a first number (k) of commutator laminates (10, 12, 14) and brushes (16, 18), wherein the commutator laminates (10, 12, 14) are arranged distributed uniformly in the circumferen...
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JP2014121270A |
To reduce a manufacturing cost of a motor and complexity in assembling.A permanent magnet DC motor containing 2P magnetic poles, where P is an integer larger than 1, includes a stator (100) having a plurality of magnetic poles, and a rot...
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JP2014117032A |
To provide a slip ring device capable of promoting discharge of abrasion powder of a brush further than the prior arts.In a slip ring device 2 comprising a ring member 5 coaxially provided in the outer circumference of an input shaft 3 a...
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JP5529554B2 |
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JP5533930B2 |
To provide a high performance rotary electric machine that can ensure heating in the vicinity of a hook during fusing, thereby stabilizing electrical connection between a coil and a commutator segment and preventing disconnection of the ...
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JP5534147B2 |
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JP5522342B2 |
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