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Matches 1,251 - 1,300 out of 12,913

Document Document Title
JP7389609B2
To provide a motor device having salient poles and capable of enhancing accuracy in detecting a rotational position of a rotor by a rotational position detection unit.A rotor 23 includes a rotor core 41 having a plurality of salient pole...  
JP2023167903A
To provide an electric motor capable of enhancing an arrangement degree-of-freedom of a magnetic sensor for detecting a rotational position of an outer rotor.An outer rotor 4 comprises: a cylinder rotor yoke part 25 that is opposite to a...  
JP7361995B1
In a motor system including a motor (1) and a control unit that controls the motor, the motor includes a rotor (10) in which a magnetic flux generating body that generates magnetic flux is disposed, and a rotor (10) disposed opposite to ...  
JP7357201B2
Provided is a motor that reduces the chances of powder dust entering the gap between a rotor and a stator. A motor 1 includes a stator 3, a rotor 2, and a cover 51. The rotor 2 is disposed inside the stator 3 with a gap 6 left with respe...  
JP7353930B2
Provided is a dynamo-electric machine and a dynamo-electric machine system that can improve the detection accuracy of the absolute prescribed rotation position of a rotor. This dynamo-electric machine 1 comprises a rotor 4, and first to ...  
JP2023134256A
To efficiently place the rotation angle sensor inside the case in a configuration where the rotating electric machine and inverter device are housed in a common housing chamber of the case.A vehicle drive device is disclosed, comprising ...  
JP7344064B2
To provide a motor including sensors capable of detecting operation of a rotational axis.A motor 1 comprises a motor body 10 which rotates a rotational axis 11, and a sensor unit 20 which detects rotation of the rotational axis 11. The s...  
JP2023122945A
To provide a motor that has the improved accuracy of estimating the position of a rotor.A rotor included in a motor according to an embodiment has a rotor core 31 formed of a magnetic substance, a plurality of magnets 33 arranged side by...  
JP2023122944A
To provide a motor that has the improved accuracy of estimating the position of a rotor.A motor according to an embodiment includes a stator and a rotor. The rotor included in the motor has a rotor core 31 formed of a magnetic substance,...  
JP7336662B2
To provide a motor that can keep the manufacturing cost low.A motor 1 includes a stator 3, a rotor 2, and a sensor substrate 41. The stator 3 includes a plurality of coils 31 and an iron core 34. The iron core 34 includes a plurality of ...  
JP2023122303A
To provide a magnet fixing structure for detecting a rotation speed of a rotary shaft so as to improve reliability of a rotary electric machine.A magnet fixing structure comprises: an annular fixing member 41 which is mounted to a rotary...  
JP2023121442A
To provide a motor with improved accuracy of rotor position estimation.A rotor having a motor according to one embodiment has a rotor core 31 formed by a magnetic material, a plurality of magnets 33a-33j arranged on the rotor core 31 alo...  
JP7336329B2
To provide a motor including strain sensors capable of detecting operation of a rotational axis.A motor 1 comprises a motor body 10 which rotates a rotational axis 11, and a sensor unit 20 which detects rotation of the rotational axis 11...  
JP2023106099A
To provide a detection device capable of suppressing a gel such as a heat dissipation gel from falling on a detection object without necessarily closing a hole in a housing.A detection device includes a detection target, a housing that a...  
JP2023098234A
To drive an electric work machine appropriately.An electric work machine 1 includes: a motor 12 having a stator, a rotor that rotates relative to the stator, and a rotor shaft 29 fixed to the rotor; an output unit to be driven by the rot...  
JP2023097167A
To provide a component for a human-powered vehicle that is able to improve the degree of freedom in the arrangement of a magnetic sensor.A component for a human-powered vehicle includes: at least one yoke disposed to be movable relative ...  
JP7301698B2
To provide a motor including strain sensors capable of detecting operation of a rotational axis.A motor 1 comprises a motor body 10 which rotates a rotational axis 11, and a sensor unit 20 which detects rotation of the rotational axis 11...  
JP2023072186A
To provide a spindle unit that eliminates a member that holds a magnet in a sensor unit that detects the rotational position of a rotor.A spindle unit 60 includes a motor 70 having a rotor 71 that rotates around a predetermined axis Z, a...  
JP7275249B2
According to the present invention, provided is a motor of which a controller generates an index signal at a second time point delayed from a first time point at which a pulse due to an index magnet is detected among pulses of a pulse wi...  
JP2023518764A
The present invention relates to a drive motor (10) for a vacuum cleaner or tool, the drive motor (10) comprising a stator (20) having a stator coil arrangement (26) and a stator (20) capable of rotating about an axis of rotation (D). a ...  
JP2023057734A
To provide a rotary electric machine capable of improving a degree of freedom of magnetic sensor arrangement while suppressing an increase in the number of components.A rotary electric machine comprises: a rotor 20 provided with permanen...  
JP2023051500A
To omit a magnet for position detection.A rotary machine 1 includes a stator 11, a rotor 12, a rotating shaft 13 and a magnetic sensor 14. The rotor 12 rotates against the stator 11. The rotating shaft 13 is connected with the rotor 12 a...  
JP2023041429A
To provide a stator which enables increase of a torque constant of a motor.A stator includes: an annular stator core centered on a center axis extending vertically; and coils 4 of multiple phases. The stator core has: an annular core bac...  
JP2023040667A
To further reduce the weight of a motor.A motor 100 comprises a stator 2, a rotor 1, and a magnetic sensor 5. An annular stator core 21 of the stator surrounds a central axis extending in an axial direction. The rotor is rotatable center...  
JP2023039805A
To provide a motor that suppresses deterioration of a magnetic force of a permanent magnet.An electric work machine comprises: an inner rotor type brushless motor; and an output part driven by a rotor. A plurality of magnetic pole parts ...  
JP2023021485A
To provide a motor which suppresses (inhibits) back electromotive voltage generated with rotation of the motor.Generation of back electromotive voltage is suppressed (inhibited) by connecting in series a coil having reactance larger than...  
JP7211504B2
A motor includes a stator having a stator core and a coil. The stator core has a plurality of teeth arranged at intervals in a circumferential direction. The coil is formed of an electrically-conductive winding wound around the teeth. Mo...  
JP7210619B2
A brushless DC motor (1) comprises a rotor comprising magnetic elements twining poles of the electric motor (1) and a control magnet comprising a number of pole pairs equal to three times that of the electric motor (1), a stator having e...  
JP7209322B2
To provide a brushless DC motor that can increase output at a low cost with a reduced investment in new facilities and metal molds.A brushless DC motor comprises: a shaft 6; a first stator 11a and a second stator 11b; and a connection pa...  
JP2023010183A
To reduce the weight and size of a brushless motor used for a power source of an electric work machine.An electric work machine includes: a brushless motor having a rotor having a rotor core and a permanent magnet fixed to the rotor core...  
JP2023005812A
To appropriately detect rotation of a rotor.An electric work machine includes: a stator including a stator core, an insulator fixed to the stator core, and a coil attached to the insulator; a rotor rotatable about a rotation axis and inc...  
JP2023006092A
To downsize a sensor board.An electric work machine includes: a stator including a stator core including a plurality of teeth, an insulator fixed to the stator core, coils each wound around a corresponding tooth of the plurality of teeth...  
JP7205438B2
To suppress increase in size of a whole motor due to a magnetic flux guiding member in a mechanical and electrical integrated type motor having the magnetic flux guiding member for guiding a magnetic flux from a sensor magnet to a magnet...  
JP7192068B2
A motor includes a rotational shaft, a bearing supporting the rotational shaft, a magnet including plural magnetic poles in a circumferential direction, a rotor core disposed inside the magnet, and a magnetic sensor. The magnet includes ...  
JP2022185821A
To enable an electric work machine to be properly driven even when a brushless motor generates heat.The electric work machine comprises a brushless motor, an output unit, a motor case 13, and a cooling fan 20. The brushless motor has a s...  
JP2022178218A
To provide a rotary electric machine in which the influence of a peripheral metal member on a detection result of a sensor using eddy current is reduced.Disclosed is a rotary electric machine including: a rotor; a non-rotation part that ...  
JP2022175072A
To reduce a length in an axis direction.A motor includes a stator and a substrate. The stator includes a plurality of magnetic bodies arranged in the circumferential direction, and coils wound around the respective magnetic bodies. The s...  
JP2022176000A
To provide a brushless motor capable of reducing a thickness with a simplified structure.A brushless motor includes: a stator 20 in which a coil 24 is wound around a plurality of teeth 23; a rotor 30 that includes a rotor core 32, a back...  
JP7170170B2
To provide an encoder containing a configuration for diagnosing disconnection of a power generation element, without causing erroneous detection in detecting multiple rotation.In the encoder 100, a multi-rotation detector for measuring a...  
JP2022171966A
To provide a power transmission device that is lightweight and can be shortened in the axial direction.A power transmission device includes a motor having a rotor shaft with a hollow structure, a stator with coils wound therearound, a mo...  
JP7166369B2
An embodiment of the present invention relates to a rotor position detecting apparatus and a motor and a motor-driven steering apparatus comprising same, the rotor position detecting apparatus comprising: a substrate, a magnetic Hall-sig...  
JP7162482B2
One embodiment of the motor according to the present invention is provided with: a rotor having a bottomed cylindrical rotor core and a hollow cylindrical magnet, said rotor core having a shaft extending along the central axis, said magn...  
JP7155822B2
To provide an electrically-driven work machine capable of restraining a housing from up-sizing radially around the axis line.An electrically-driven work machine having an electric motor and a housing, where the electric motor has a stato...  
JP7153998B2
The present invention provides a technique capable of realizing miniaturization of the axial size of a motor using a sensor. The motor of the present invention includes a rotor having a permanent magnet (56) and a stator (34) wound with ...  
JP2022158985A
To provide a motor capable of reducing electromagnetic interference caused in a hall element by a busbar and improving the magnetic detection accuracy of the hall element.A motor includes a rotor 10, a stator 20 arranged to face the roto...  
JP2022149738A
To provide an outer rotor type brushless motor capable of assembling a plurality of bearings thereinto from the same direction.The outer rotor type brushless motor comprises: a shaft with axial one end side fixed to a stator and extended...  
JP7134457B2
To provide a brushless motor capable of being easily assembled.A brushless motor 10 includes a casing 20, a shaft 11, a motor 30, a resolver 60, and a seal member 86. The resolver 60 includes a resolver rotor 61 and a resolver stator 70....  
JP7129915B2
The invention mainly relates to a rotary electric machine, in particular for a motor vehicle, comprising: - a rotor mounted on a shaft, - at least one bearing (18) having a central opening (60) for passage of said shaft, said bearing (18...  
JP7118131B2
A motor is a single-phase motor that includes a rotor having a plurality of magnetic poles and a stator provided to surround the rotor. The stator includes a yoke extending so as to surround a rotation axis of the rotor, a plurality of t...  
JP2022115827A
To provide a motor which allows easy replacement of a substrate, and also to provide an air compressor.A motor comprises: a center axis extending in the axial direction; a stator extending around the center axis in the axial direction; a...  

Matches 1,251 - 1,300 out of 12,913