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Patent Searching and Data


Matches 1,401 - 1,450 out of 16,073

Document Document Title
JP6531361B2  
JP6530530B2  
JPWO2018025986A1
A shaft centering on a central axis to which a motor turns to the up-and-down direction, and a bearing mechanism which supports the shaft rotatably, It has an armature located in the diameter direction outside of the bearing mechanism, a...  
JP2019088073A
To provide a brushless motor capable of stably holding a magnetic receiver.A brushless motor includes: a stator having a stator core including radially extending teeth 17b and windings wound around the teeth 17b; a rotor having a drive m...  
JP2019083612A
To provide a motor unit capable of easily and reliably improving detection accuracy of a sensor unit comprising a sensor magnet and a sensor substrate that detects a magnetic change of the sensor magnet.A sensor unit 4 comprises: a senso...  
JP6521217B2  
JP6514406B2
An automotive auxiliary device includes an electric drive motor which is brushless and electronically commutated. The electric drive motor includes a rotatable motor rotor which defines a longitudinal rotor axis, a motor stator, and at l...  
JP6511137B2  
JP6509347B2
A rotary electric machine includes a rotor core that rotates about a rotation axis, a plurality of first magnets disposed in a circumferential direction of the rotor core and embedded in the rotor core, a second magnet that includes a pl...  
JP6507773B2  
JP6504261B2
A method and an apparatus for manufacturing a rotor of an electric motor are provided to obtain an electric motor with high efficiency. To this end, a rotor is magnetized by using a magnetizing device. The rotor includes a rotor magnet d...  
JP6506406B2  
JPWO2018008216A1
[Subject] A device is miniaturized more effectively. [Means for Solution] It has a stator, a rotation child countered and provided via an opening to the stator, and an encoder which can detect the rotation child's rotation condition, and...  
JP2019510456A
A Brushless direct-current motor for a power tool. A motor contains a stator sialid containing a stator core which has a stator layered product provided with an annular portion and a stator tooth prolonged for inner. A motor also contain...  
JP2019058015A
To suppress a reduction of rotation detection accuracy of a rotor by a detection portion and a detected portion, and to suppress interference between the detected portion and a magnetic shield member at the time of assembling.A motor 10 ...  
JP2019054725A
To provide a driving device that has high efficiency and can provide followability at acceleration/deceleration equivalent to that of a stepping motor and durability of a motor, an image forming apparatus, and a peripheral device of an i...  
JP6493084B2  
JP2019050319A
To improve the EMC performance of an electronic apparatus loaded with a motor.A circuit board 12 includes: a substrate 130; lands P4, P5 which are formed on a principal surface 131 of the substrate 130 for connection of a coil 17 of a mo...  
JP2019047563A
To provide a brushless motor in which rotation of a rotor can be controlled while the rotation direction of the rotor is accurately detected.The brushless motor includes three magnetism detection units 70 for detecting magnetism generate...  
JP2019041429A
To provide a DC motor capable of achieving reduction in size and weight of it without providing pole detection means at a tacho generator side.A three-phase brushless DC motor according to the invention and a driving method thereof are s...  
JP6481630B2  
JP6477358B2  
JP2019033592A
To enable accurately arranging a magnetic induction member opposite to a magnetic detection sensor.A brushless motor 10 includes: a stator 12 having a winding 30; a rotor 14 constituting a motor element 36 together with the stator 12; a ...  
JP2019032203A
To accurately detect a rotor position with a position sensor dispensing with a permanent magnet and achieve alignment of the position sensor easily with high accuracy.A position sensor 1F detects a rotor position on the basis of a change...  
JP2019033637A
To provide an axial gap motor capable of improving detection accuracy of a rotation detecting element.A rotor 30 includes a rotation shaft 31, a plate-like rotor core 32 fixed so as to be perpendicular to the rotation shaft 31, and a mag...  
JP2019024316A
To provide a driving device that has high efficiency and can provide followability at acceleration/deceleration equivalent to that of a stepping motor and durability of a motor, an image forming apparatus, and a peripheral device of an i...  
JP2019022393A
To provide a motor which can detect rotation information of a rotor by a magnetic sensor while inhibiting increase of the number of components.A rotor 13 includes a field system magnet 23 which is disposed facing a stator 12 in a radial ...  
JP2019022392A
To secure position accuracy of a detection part relative to a stator.A motor 10 includes a rotor 14 including a rotary shaft 12 and a resolver rotor 16 which is fixed to the rotary shaft 12 and integrally rotates with the rotor 14. The m...  
JP2019018699A
To provide a fluid pressure control device which enables downsizing and improvement of flexibility of oil passage arrangement while inhibiting influence of energization noise on a signal line.The invention includes: a housing 10 in which...  
JP6461438B1
In rotation electrical machinery, the rotation electrical machinery main part has a housing and the axis of rotation. The angle detector which detects the degree of rotation angle of the axis of rotation has the magnetic generation objec...  
JP2019013114A
To provide a brushless motor capable of enhancing torque characteristics and improving output efficiency.A magnet part 12 included in a rotor of an outer rotor type brushless motor is opposed to a stator 2 in a radial direction. A first ...  
JP2019501618A
A fluid pump for cars (10) has an electric drive motor (12) of a Brushless electronic rectification type. Electric drive motors are a plurality of rotor magnetic poles (38).1, 382, 383A motor rotor (30) of a permanent magnet type which i...  
JP2019009987A
To improve electric motors.A brushless motor comprises a rotor assembly, a stator assembly, a frame, and at least one strut. The rotor assembly comprises a shaft, an impeller, a bearing assembly, and a rotor core. The frame comprises an ...  
JP2019501617A
an example of the present invention -- substrate; -- it is related with a rotor position sensing device containing the 1st ground pattern which is arranged at a 1 side of hole signal magnetism element; mounted in the substrate, and the s...  
JP2019002816A
To obtain a rotation angle detector that secures resistance against centrifugal forces, as well as suppresses a rise in cost.Provided is a rotation angle detector having a sensor rotor and a sensor stator. The sensor rotor has recessed a...  
JP6448810B2  
JPWO2017150487A1
A sensor yoke which is an electromotive motor and is located in the direction upper part of an axis rather than a shaft, a rotor magnet, and a rotor magnet, A sensor magnet supported by sensor yoke and an input gear which has a gear part...  
JP2018207756A
To provide a motor which enables improvement of detection accuracy of a rotation angle, and to provide a motor manufacturing method and a processing device.A motor includes: a motor part having a stator and a rotor which can rotate relat...  
JP2018207554A
To provide a brushless motor in which a magnetic sensor can be arranged at a position at which the influence of magnetic flux due to a wound field flux coil hardly occurs regardless of the design specification of the motor.A brushless mo...  
JP2018207651A
To suppress vibration in conduction drive of one system to be small in a brushless motor in configurations of 10 poles and 12 slots, or 14 poles and 12 slots.A brushless motor 1 is used as a power source for an electric power steering sy...  
JP6444533B2
A rotor, a rotary electric machine, and a rotor production method that reduce parts count, allow easy fixing, and prevent displacement. The rotor includes a rotor core having a cylindrical shape and a plurality of insertion holes, and a ...  
JP2018201299A
To provide a biaxial-integrated type motor which easily improves detection accuracy of a detection part that detects a rotational angle of a rotor.A biaxial-integrated type motor comprises: a detection part that includes a first detectio...  
JP2018537943A
It is a multi-phase Brushless direct-current motor and a drive method for the same, and a motor contains the drive module which has a main part of a motor, and phase coil winding. A drive module contains the controller, the H bridge sing...  
JP6431774B2
In a driving apparatus (10) in which a position of a rotating shaft (27) of an electric motor (16) in a direction of an axis (B1) is determined, the driving apparatus (10) has: a stopper (77) which determines a position of the rotating s...  
JPWO2017170115A1
The rotor (4) on which a plurality of magnetic pole sides which consist of a plurality of N-pole faces (16N) and a plurality of S-pole faces (16S) have a magnet (16) in which a magnetic pole is arranged in order along the hand of cut, Ha...  
JP6419522B2  
JP2018170918A
To provide a brushless motor in which unbalance of a rotor due to arrangement of sensor magnets is unlikely to occur.A brushless motor (1) includes: a stator (20) having a coil (23); a rotor (10) having a permanent magnet (13) and rotata...  
JPWO2018037652A1
A Consecuen Topor type rotation child (20), The 1st polar magnetic pole portion [1st] (60) have a plurality of permanent magnets and according to a permanent magnet, The 2nd different polar magnetic pole portion [2nd] (61) from the 1st p...  
JP2018169327A
To provide a phase detector for detecting the phase of such a rotational body as a rotor of a motor, the phase detector allowing output of phase signals necessary to control the rotational body more precisely.A phase detector 10 for dete...  
JP6414267B2  

Matches 1,401 - 1,450 out of 16,073