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Patent Searching and Data


Matches 1,051 - 1,100 out of 13,420

Document Document Title
WO/1980/002481A1
A method of connecting armature coil ends by means of an ultrasonic welding process to a plurality of segments arranged peripherally on a shaft and integrally molded to a commutator. The armature coil ends are connected to the segments o...  
WO/1979/000144A1
A rotary coupling for transmitting electric current and fluid between a rotating (2) and a stationary (1) body. The electric current is transmitted by way of slip rings (15) provided on an insulating sleeve (8). In axial grooves (12) of ...  
JP2021158702A
To suppress wear of a carbon brush and prolong the life of a motor. A motor 10 including a substantially tubular commutator 21 and a carbon brush 25 that abuts on the outer peripheral surface of the commutator constitutes a contact regio...  
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 ...  
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...  
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...  
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...  
JP2021151033A
To obtain a brush wear monitoring device for a rotary electric machine having a simple configuration and high accuracy without requiring a large change as compared with a conventional rotary electric machine without a brush wear monitori...  
JP2021136758A
To provide a DC motor capable of changing a current switching timing. The invention relates to a DC motor with a brush, a rotor which rotates about a central axis extending vertically, and a commutator provided on the portion of the oute...  
JP2021524038A
Provided is a hinge system for an electronic device including a first component and a second component. The first component may include a first housing, a first substrate extending within the first housing, a first connector, and a plura...  
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...  
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...  
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...  
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...  
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...  
JP2021118575A
To provide a DC motor having an appropriate insulating structure. A brush 30 on a positive electrode side and a negative electrode side, a lead wire 32 connected to a lead connection portion 33 of each brush 30, an insulating brush holde...  
JP2021118553A
To provide a DC motor having an appropriate power cutoff function. A commutator 24 provided coaxially with a rotor 22, a positive electrode side and a negative electrode side brush 30 provided so as to be in contact with the commutator 2...  
JP2021118554A
To provide a DC motor which suppresses upsizing. A positive electrode side plate 250 has an intermediate portion 51 interposed between brush holders 240 arranged in the circumferential direction and a crossover portion 252 connecting the...  
JP2021118555A
To provide a DC motor capable of draining water. A housing 80 having a brush holder 340 for holding each brush 30 in a state of being housed and a cylindrical part 81 for holding the brush holder 340 in a state where a rear end portion 3...  
JP2021114403A
To provide a rotary connector capable of maintaining stable energization between members accompanied by rotation. One rotating member 2 which is conductive and is provided with a driving force transmitting unit 20 and is rotationally dri...  
JP2021106445A
To provide a downsizing technique for a rotary motor. A rotary motor 2 includes a stator subassembly 12 with a connector and a tubular frame 13 that houses the stator subassembly 12 with a connector. The stator subassembly 12 with a conn...  
JP2021517338A
The present invention relates to a discharge device (10) for discharging an electric current from a rotor portion of a machine to a stator portion of a machine. In particular, the rotor portion has a shaft, and the discharge device has a...  
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...  
JP2021086668A
CONSTITUTION: A metallic graphite earth brush with silver as a main component is brought into sliding contact with a peripheral surface of a shaft to ground the shaft. In the brush, a mass ratio of silver and carbonaceous material contai...  
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...  
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...  
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...  
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...  
JP6858846B2
A cord reel assembly including a single, continuous cord having stationary and retractable segments, with the stationary segment including multiple connectors and sheath covering such connectors where the connectors twist and untwist rel...  
JPWO2019188168A1
In the commutator, a metal riser piece is mounted on a resin base, and a segment composed of a metal layer and a carbon layer is joined to the riser piece. The metal layer contains brass and tin and carbon of 0 mass% or more and less tha...  
JP6847470B2
To easily carry out preferable wiring layout in which a connection cable can be pulled out toward a desired direction and which is based on relative positional relation between an adapter for in-vehicle device connection and an in-vehicl...  
JP2021045037A
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 ...  
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...  
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...  
JP2021039821A
To provide a movable part energization device which can achieve downsizing of the entire device.A movable part energization device 10 energizes a movable part 3 and has a cylindrical housing case 11. The same space K in the cylindrical h...  
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...  
JP6840710B2
To provide a wiring harness capable of improving workability of assembling of a solenoid valve.A wiring harness comprises: a connector block 1 which is fixed to a first wall part, provided with a fitting hole where a solenoid valve is fi...  
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 ...  
JP2021030370A
To provide a robot in which electrical wiring can be prevented from being under excessive load.A robot comprises: a base; a first arm connected to the base and turning around a first axis; a second arm connected to the first arm and turn...  
JPWO2020079881A1
To provide a contact type power feeding device capable of stably flowing an electric current between cylinders for a long time with a simple structure, and a contact unit arranged in the contact type power feeding device. A contact type ...  
JP6827098B1
To provide a downsizing technique for a rotary electric motor. A rotary electric motor 2 includes a stator subassembly 12 with a connector and a tubular frame 13 that houses the stator subassembly 12 with a connector. The stator subassem...  
JP2021009788A
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...  
JP6799882B1
To provide a slip ring capable of transmitting a low voltage differential signal having a 4K resolution. This slip ring 100 constitutes a slip ring 70 for a differential signal by using a base substrate 30 in which an electrode pattern a...  
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...  
JPWO2019107218A1
The brush of an automobile electrical motor contains carbon and a scraping material having a Vickers hardness of 10 GPa or more and 14 GPa or less in the brush body. Reduce the sliding noise of the brush of the motor for automobile elect...  
JP2020536002A
The crank speed and crank position of a pedal-type device such as a bicycle are sensed by a microcontroller, torque sensor, gyro, and accelerometer disposed on the crank of the pedal-type device. External power, sensor signals, and contr...  
JP2020533934A
A method and an apparatus for reducing the voltage of the rotating shaft are disclosed. An example of a grounding brush system reduces current in a rotating shaft, the grounding brush system is a brush assembly that is placed close to th...  
JP2020188635A
To reduce a likelihood of a protrusion coming into contact with a busbar even if the protrusion suffers damage due to centrifugal force.A busbar 20 is engaged with each brush holder 50 and is electrically connected to a positive brush 30...  
JP2020187882A
To provide a contact piece rotary connector capable of stably connecting a contact piece to a terminal.A contact piece rotary connector comprises a first connector 11 and a second connector 12. The first connector 11 has a first space bl...  
JP2020177914A
To provide a conductive slip ring which has a compact structure and is convenient for electrical connection.A conductive slip ring of the present invention is characterized in that: a first terminal is provided with a first contact porti...  

Matches 1,051 - 1,100 out of 13,420