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JP6944860B2 |
To provide an electric motor which can reduce manufacturing cost for metal mold by arranging an entry prevention part corresponding to a claw part in an optimal position and thereby facilitating formation of a brush holder.A brush holder...
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JP6941663B2 |
A sliding contact material that is used for a constituent material, particularly a brush, of a motor. The sliding contact material includes: Pd in an amount of 20.0% by mass or more and 50.0% by mass or less; Ni and/or Co in an amount of...
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JP2021151033A |
To provide a brush abrasion monitoring device for a rotary electric machine, having a simple configuration with high precision, without need of a large change to the conventional rotary electric machine which does not have a brush abrasi...
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JP2021145454A |
To provide a rotator that even in a case of including a commutator piece and an electric wire connected to the commutator piece which are made of dissimilar metal materials and covering a connection portion between the commutator piece a...
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JP6938170B2 |
A brush assembly includes a circuit board, at least two brushes, power connecting terminals for connecting with an external power supply, and a power supply branch circuit connected in series between a corresponding one of the power conn...
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JP2021136758A |
To provide a DC motor capable of changing current switching timing.A brush-equipped DC motor includes a rotor that rotates around a central axis that extends up and down, a commutator provided on a part of the outer peripheral surface of...
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JP6932860B1 |
The metal material for sliding contacts of the present invention is a metal having a base material made of copper or a copper alloy and a Pd-containing layer formed as the outermost layer on at least a part of the base material and conta...
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JPWO2020066953A1 |
One embodiment of the motor of the present invention is a rotor having a shaft extending along a central axis and a commutator fixed to the shaft, a brush assembly electrically connected to the rotor, and a housing containing the rotor a...
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JP6930775B2 |
In this commutator, a metal riser piece is attached on a resin base, and a segment comprising a metal layer and a carbon layer is joined to the riser piece. The metal layer contains brass, tin and 0-5 mass% of carbon (exclusive of 5), an...
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JP6931082B2 |
A method for measuring a state of wear of a consumable friction element, a measuring device and a friction element, in particular a brush or the like. The measuring device includes a sensing device having a sensor. A magnetic field can b...
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JP6923663B2 |
The invention relates to a brush module (10) for a rotating electric machine, in particular for a current-excited synchronous machine, the brush module (10) having at least two brushes (12) for establishing electrical contact with slip r...
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JP2021520766A |
A rotor assembly (10) for a DC motor is provided, said rotor assembly (10) with a rotor (12) having a rotor shaft (18) and a commutator (20) attached to the rotor shaft (18). , A varistor (22) connected to the commutator (20) via a condu...
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JP6916791B2 |
The present disclosure relates to a slip ring arrangement for an electric machine to transfer current from a current source to a rotor of an electric machine. It is an object of the invention to provide a slip ring arrangement for an ele...
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JP2021118575A |
To provide a DC motor with an appropriate insulation structure.The DC motor includes brushes 30 on positive and negative pole sides, lead wires 32, each of which is connected to a lead connection portion 33 of each of the brushes 30, ins...
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JP6912328B2 |
Provided is an armature 14 comprising a rotary shaft 15, a core 18 secured to the rotary shaft 15, a winding 20 wound around the core 18, and a rectifier 19 that has claws 19a to which the winding 20 is connected and that is secured to t...
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JP6899050B2 |
To provide a brush or a brush device that is able to temporarily hold the brush when fitted to an armature, allows sharing of the brush and a brush holder regardless of a motor type and, moreover, is able to hold the brush on the brush h...
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JP6878761B2 |
To provide a motor device for a pump which effectively reduces vibration of components forming a pump part against a reaction force generated by movement of a piston.The invention relates to a motor device S for a pump which includes a m...
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JP6876292B2 |
To provide a new brush holder which can efficiently provide a plurality of motors capable of providing a rotation speed corresponding to a use mode and noise measurement, and a lead plate for supplying an electric power, which can be att...
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JP6876364B2 |
To solve such a problem of a conventional sliding contact member that the type of available materials is limited, or the cost increases.A sliding contact member A1 includes a conductive first base material 10 having a surface layer 1 con...
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JP2021078275A |
To provide a mold commutator having a new anti-centrifugal force structure in which an armature is integrally molded with resin.An armature 41a has a configuration including: a rotation shaft 43; an armature core 41; an armature coil 42;...
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JP2021078195A |
To provide a motor in which noise can be reduced.A motor 1 according to the present invention includes a commutator 9, a brush 5 having a contact surface 53 that is in contact with the commutator 9, a first surface 51 that is disposed so...
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JP6873189B2 |
To solve a problem that brush sliding noise due to axis deviation of an armature or partial wear of the brush is caused in a starter depending on positioning of a base and a yoke to which the brush is attached.A protrusion part for posit...
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JP6874519B2 |
To provide a DC motor with which it is possible to suppress a rise of brush temperature without changing the body construction of the motor.The present invention relates to a DC motor 10 comprising at least a rotor 20, a commutator 24, a...
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JP2021072709A |
To provide a brush motor having a brush holding structure capable of holding a brush in a stable state even if the temperature fluctuates due to an installation environment of the motor or driving of the motor without impairing sliding c...
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JP2021069145A |
To provide a motor in which a brush is prevented from protruding from a brush accommodation part, without shortening an effective abrasion length of the brush.A motor comprises: a rotor 20 including a rotary shaft 21; a rectifier 50 fitt...
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JP2021065069A |
To provide a brush holder that can further reduce noise.The brush holder that holds a brush in contact with a commutator of a DC motor has a holding hole that extends in a radial direction of a rotary axis of the DC motor and can hold an...
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JP6863721B2 |
A motor driving assembly includes a motor. The motor includes an outer housing, and a rotor and a brush holder received in the outer housing. The rotor includes a rotary shaft extending out of the outer housing. A commutator is fixed on ...
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JP2021058087A |
To prevent a winding lead wire from becoming brittle more easily and to increase its service life.A motor includes a laminated core 5 fixed on a rotary shaft, a winding 3 wound on the laminated core 5, and a commutator terminal 2a connec...
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JP6854044B2 |
To provide a high performance electric rotating machine.A electric rotating machine includes an armature having a commutator, a motor case 2 that rotatably supports the armature and is provided with a magnet 8, a plurality of brushes in ...
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JP6851441B2 |
To provide a starter suppressed in adhesion of water content to a lead wire.In a starter including a motor and a solenoid switch, the motor includes a cylindrical yoke, an armature disposed inside of the yoke, a commutator disposed on an...
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JP6843365B1 |
To provide a slip ring in which wear due to rotation is reduced as much as possible and an electric motor provided with the slip ring. The slip rings 60a, 60b and electric motors 80a, 80b rotate differential rotating portions 74a, 74b, w...
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JP2021508913A |
The present invention relates to a contact structure that moves with respect to a carbon brush, in particular a carbon brush and a method for manufacturing the carbon brush for electrically connecting to a commutator or a current collect...
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JP2021508914A |
The present invention relates to a contact structure that moves with respect to a carbon brush, in particular a carbon brush and a method for manufacturing the carbon brush for electrically connecting to a commutator or a current collect...
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JP2021040414A |
To provide a motor with a brush capable of securing peeling strength between a cylindrical unit and a resin unit and suppressing generation of brush sliding noise.A commutator includes a cylindrical unit 36 made of a conductive metal mem...
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JP2021040468A |
To provide an electric apparatus, etc. which can detect a wear state of a current feeding brush without using an optical member and processing the current feeding brush.An electric motor 1 comprises: a commutator 30 attached to a shaft 2...
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JP2021035095A |
To provide a motor in which a bearing that pivotally supports a rotational shaft can be grounded to a yoke housing without increasing the number of components.A brush holder 31 disposed in an opening portion of a conductive yoke housing ...
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JP2021035243A |
To reduce noise more than before in a DC brush motor.A DC brush motor according to an embodiment of the present invention includes a motor case, a first brush arm and a second brush arm that are provided in the motor case, and extend sub...
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JP6834403B2 |
To provide a motor capable of reducing restriction in an external terminal for a brush holder by suppressing generation of wasteful wiring.A motor 1 includes: a brush holder device 21, in which a pair of brushes 22 for supplying electric...
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JP2021027622A |
To downsize a motor with brush fixed to and supported by a cover body sealing one end of a motor housing in a view of a motor shaft direction by a brush assembly having a power supply brush, a terminal line with one end unit connected to...
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JP6829216B2 |
Provided is a slip ring device provided with: a slip ring module having a slip ring with which a resin molded article is integrated on an outer periphery near one end of a cylindrical shape by insert molding and which is electrically in ...
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JP6825496B2 |
To provide a motor having a structure in which a short circuit of an electric power supply terminal due to a foreign matter such as an abrasion powder or the like of an electric power supply brush hardly occurs.Electric power supply term...
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JP6814949B2 |
To provide an electric blower exhibiting excellent reliability, that is light in weight.There is provided an electric blower integrally fixed by sandwiching a yoke part 15 of a field core 14 between a frame (not shown) and a bracket (not...
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JP2021005954A |
To prevent a disconnection of winding by avoiding a situation that the winding is covered by resin dissolved at the time of thermal bonding.A commutator 10 has a resin supporter 11 formed into a stepped cylindrical shape, a metal commuta...
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JP6813886B2 |
To provide a DC motor provided with a brush, that is capable of flexibly responding to needs of high precision and high reliability, while meeting needs for cost reduction, and to provide a manufacturing method of the same.There is provi...
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JP6813321B2 |
A DC motor includes: a brush configured to be connectable with the commutator; a first terminal attached to the brush; a second terminal disposed at a position away from the first terminal, the second terminal being configured to be conn...
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JP6805624B2 |
To provide a commutator motor capable of suppressing movement in a rotation direction of a commutator of a brush even under situation where the brush is thermally expanded, and of stably bringing the brush into contact with the commutato...
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JP2020202624A |
To eliminate a fear that oil is transmitted along a resin molded body, a slip ring, a connection terminal, and a boundary of the slip ring by capillary action to leak outside.A slip ring device includes: a slip ring 4 in which a resin mo...
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JP6801373B2 |
To provide a brush holder device capable of changing a wire diameter of a winding and an outer diameter of a choke coil without changing the design of a holder member.The brush holder device includes a feeding brush; a choke coil 26 with...
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JP2020195201A |
To facilitate an assembly of a carbon material and a metal material while suppressing misalignment and falls between the carbon material and the metal material.A commutator 1 includes: a carbon material 3 having a sliding contact surface...
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JP6788361B2 |
To provide an armature assembly capable of ensuring insulation between windings hooked on adjacent commutator segments while suppressing deformation of the commutator segments, and to provide an electric blower including the same.The arm...
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