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JP7208672B2 |
A system for monitoring the wear state of a carbon brush of a brush holder assembly in which the length of the carbon brush is diminished from an initial length as an end of the carbon brush wears away during use. The system includes a w...
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JP7200057B2 |
To reduce aggression to a rotating body which is a sliding partner and has excellent wear resistance even under a high temperature condition under which Cu is strongly oxidized on a sliding surface with the rotating body under a conditio...
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JP7196114B2 |
A surgical shaft assembly includes a slip ring assembly. The slip ring assembly has a first connector, a first conductor mounted on the first connector, and a first water-proof insulative layer on the first conductor. The slip ring assem...
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JP2022182952A |
To provide an assembly for forming a conductive connection part which has a long period of use.An assembly 1 for forming a conductive connection part between a first machine element 2 and a second machine element 3 includes: a disc 4 whi...
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JP7176797B2 |
Example brush holder assemblies of an electric machine are disclosed. An example brush holder assembly of an electric machine includes a carbon brush including an upper surface and a lower surface opposite the upper surface. The brush ho...
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JP7166778B2 |
A brush holder apparatus has a stationary support member having two opposing grooves, a fork electrical connector, and a conductive bar passing through a main body of the stationary support member. A brush holder is releasably affixed to...
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JP2022546371A |
An improved contra-rotating (CR) differential electric motor assembly is utilized to power fans for moving aircraft or air, saving mounting space and mounting space for conventional motors with only one propeller. Containing two counter-...
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JP2022149108A |
To provide a sliding contact member capable of achieving low friction and low wear even in low humidity and high-temperature environments, and capable of continuously reducing wear and friction without providing a continuous supply mecha...
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JP7145580B2 |
A control unit for activating a drive device, the control unit including at least one circuit board to be contacted by at least one connecting element of the drive device, which includes at least one lead-through for the connecting eleme...
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JP2022142804A |
To provide a small and low-cost ring capacitor-provided commutator motor in which a motor weight is not increased and which has high reliability in high-speed rotation and heat generation in an armature.A small DC motor is provided with ...
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JP2022133608A |
To provide a conduction mechanism that can ensure stable conduction with a rotation shaft.A conduction mechanism 200 comprises: a conductive bearing 82 that rotatably supports a rotation shaft 76; a non-conductive shaft positioning part ...
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JP7133098B2 |
The invention relates to a brush module (10) for an electric machine and to a method for mounting such a brush module, the brush module having a brush (13) for forming an electric contact with a slip ring, the brush module having an moun...
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JP7131453B2 |
To provide a technique which is effective for reducing electromagnetic noise generated during arc discharge in a rotary electric machine in a low cost.In a rotary electric machine 1, a plurality of commutator segments 32 and a plurality ...
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JP7131190B2 |
To provide a brush device (DC motor) capable of stabilizing a slide state at an earlier stage, during initial sliding of a feed brush.A tip of a feed brush 32 is brought into contact with a commutator 24 in a posture tilting obliquely do...
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JP7130718B2 |
To provide a motor with reduced noise, and to provide a rotation device comprising the motor, and to provide a vehicle that comprises an air conditioning system comprising the rotation device.A motor 10 comprises: an amateur 30 having a ...
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JP2022114122A |
To provide a power supply device capable of supplying a larger current to a rotating body.An outer electrode 4 is an annular member connected to a power source. A trochoidal internal gear 1 is provided on the inner circumference of the o...
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JP2022100547A |
To provide an electrode connection structure and a detection device suitable for members that are screwed and fixed to each other.An electrode connection structure includes a first electrode part 7 having a first electrode 71 formed in a...
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JP7095173B1 |
To wire and connect commutator pieces to each other when using two brushes in a conventional motor having four or more poles. Therefore, the collective commutator piece of the present invention has a simple structure and is hard to break...
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JP7090569B2 |
The purpose of the present invention is to provide a rotating electric machine that makes it possible to obtain a stable grounding effect even in a dirty environment. For this purpose, in a rotating electric machine having a grounding st...
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JP2022076988A |
To provide a rechargeable socket for charging a rechargeable battery of a wireless hair dryer.A rechargeable socket includes a hollow pedestal 41 and a rechargeable assembly 43 arranged in the pedestal 41. A top of the pedestal 41 is rec...
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JP7062756B2 |
The bike's crank speed and crank position are sensed via a micro controller, torque sensor, gyro and accelerator disposed on the bike's crank. External power and control signals can be passed to and from the crank micro controller and th...
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JP7044806B2 |
A discharge device for discharging electric currents from a rotor part of a machine, in particular a rotor part with a shaft, into a stator part, the discharge device having a contact element, a support and a spring mechanism, the suppor...
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JP7030782B2 |
A discharging device for discharging electrical interference, in particular currents, from a rotor part of a machine, said rotor part in particular being a shaft, into a stator part (17) of the machine, the discharging device having a co...
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JP7026685B2 |
A high current and RPM-capable slip ring assembly for use in a selected application for transferring electricity between an exterior environment and an interior environment that includes multiple electrical conduction assemblies with eac...
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JP7019789B1 |
To provide a starter provided with a brush holding device for preventing vibration of a brush holder itself. A brush holder (131) engages with a first rail portion (14c) and a second rail portion (14a) and is mounted at a predetermined p...
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JP2022509380A |
To provide a brush device, an electric machine and a driving device for electrically connecting a first element to a second element. A brush device electrically connects a first element (2A) to a second element (2B) that is rotatable abo...
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JP6996810B2 |
A electric swivel, LVES, in a swivel stack, includes an annular outer element defining a cylindrical chamber around an axis S and an cylindrical inner element coaxial with the outer element. The cylindrical chamber is sealed at an upper ...
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JP6984436B2 |
To suppress an occurrence of abnormal noise caused by a collision of a brush with a brush holder.A brush holder 44 that houses a brush 34 has a first side wall portion 50, a second side wall portion 52, and an upper wall portion 54. A re...
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JP2021191012A |
To provide a coreless motor in which the utility of an electric contact can be enhanced while a contact resistance or mechanical resistance is suppressed, compared to a conventional brush-equipped rotary electric machine.A coreless motor...
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JP2021170521A |
To solve a problem in which the sliding of an energizing ring and a retainer pin hinders the stable planetary motion of the energizing ring to cause wear powder, and shorten the product life, and cause abnormal noise generated during rot...
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JP6949971B2 |
A replay plate 44 is set to have a vertically and horizontally symmetrical shape when a worm wheel 33 is viewed from its axial direction; the worm wheel 33 is provided with an accommodating concave portion 33g in which the relay plate 44...
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JP6947874B2 |
The present disclosure disclosed a conductive slip ring including a first terminal group and a second terminal group. The first terminal group includes a first terminal and a second terminal. The first terminal has a first contact portio...
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JP2021158702A |
To extend a life of a motor by suppressing wear in a carbon brush.A motor 10 comprising an almost cylindrical commutator 21 and a carbon brush 25 which abuts on an external peripheral face of the commutator uses a copper alloy which cont...
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JPWO2020105501A1 |
It is an object of the present disclosure to provide an electric motor and a brush accommodating portion for easily holding a brush. The motor (1) includes a commutator (3), a brush (81), a first spring (91), a second spring (92), and a ...
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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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JP6943496B1 |
To provide a rotating electronic component which reduces wear of a slider and metal fatigue and has a longer rotational life than conventional ones. In this rotating electronic component, a cushioning member is provided between a sliding...
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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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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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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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JP6887914B2 |
The present invention is provided with a cylindrical main body 14a in which slits 14c are provided along the axial centre from one end side to another end side. Electrically conductive rings 22 are attached to the outside of the main bod...
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JP2021083030A |
To solve a problem in which it is difficult to perform high-speed communication in a rotary joint that can rotate infinitely in conventional rotary joints.A rotary joint according to an embodiment of the present invention includes a firs...
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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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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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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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