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Matches 1,351 - 1,400 out of 16,095

Document Document Title
JP6727450B2
An electric motor includes a stator, a rotor, and a magnetic sensor. The stator has an iron core and a magnetic flux coil. The rotor has a rotary shaft and a cylindrical rotor magnet. The magnetic sensor has a sensor unit that outputs an...  
JP6720032B2
If B, L, M, N, and X denote natural numbers, S denotes the number of slots (15), P denotes the number of magnetic poles of a magnet (9), and A denotes the smallest value among values of L that satisfy X = 90(2L-1)/{(360/S)×(P/2)}, the n...  
JP2020092160A
To provide a motor which allows appropriate arrangement of an electronic component mounted on a circuit board.A motor comprises: a stationary part which has an annular stator provided around a central axis extending vertically; and a rot...  
JP2020092589A
To provide a DC electric motor with an asymmetrical stator inductor.A DC motor 1 includes: a continuous rotation rotor 3; a first inductor A characterized by first parameters; a second inductor B characterized by second parameters; a vol...  
JP2020515218A
an example -- sensing plate; -- the adhesive tape which is arranged between sensing magnet; arranged on the above-mentioned plate, and the above-mentioned sensing plate and the above-mentioned sensing magnet, and makes the above-mentione...  
JP2020515214A
At least one rotor (5) arranged on the shaft (3) which as for the present invention was supported movably so that rotation within a housing (2) and a housing (2) was possible, the Brushless electricity machinery (1) which is provided wit...  
JP2020513720A
A stator (13) which has a coil (17) for the present invention to make -Rotor (15) and the - above-mentioned rotor (15) generate a magnetic field electromagnetically, A device (25) for determining an angle position of the rotor (15) to th...  
JP2020072621A
To provide a drive device and an electric power steering device using the same that prevent deterioration of detection accuracy of a magnetic detection element.Switching elements 121 to 129, 131, 132, 221 to 229, 231, and 232 are mounted...  
JP2020068642A
To provide a DC machine having a high current utilization rate by making the DC machine having a number of commutator pieces non-commutator or brushless.A DC machine 101 includes a rotor with 2 m poles (m is an integer) of north and sout...  
JP2020064018A
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...  
JP6686041B2
The invention relates to a method for starting a brushless direct current motor.  
JPWO2019049249A1
It drives by the 2nd system containing the 1st armature winding (71), the 1st system containing the 1st control device, and the 2nd armature winding (72) and 2nd control device, A permanent magnet type synchronous motor and an electric p...  
JP2020054184A
To provide a motor capable of reducing deterioration of rotational accuracy of a FG signal, even when eccentricity occurs during rotation of the rotor.A motor comprises a rotor including a lidded cylindrical rotor core having a shaft ext...  
JP2020054177A
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...  
JPWO2019049361A1
An electric motor is provided with a stator, a rotation child, and a magnetic sensor. A stator has an iron core and a magnetic flux coil. A rotation child has the axis of rotation and a cylindrical rotor magnet. A magnetic sensor has a s...  
JP6671460B2
A sensor magnet includes: a first magnetic-pole part including a magnetic pole of first polarity; a second magnetic-pole part including a magnetic pole of second polarity; and an inter-pole part formed between the first magnetic-pole par...  
JP6662740B2
A stator core (4) has first, second, and third pole teeth (4a1, 4a2, 4a3) disposed circumferentially and projecting radially outward, the first pole teeth (4a1) face rotor magnets (13) and have symmetric tooth tips (4a1a), the second and...  
JP6650302B2
An object of the present invention is to provide a brushless motor and a wiper apparatus which allow high-precision control of a motor unit, and which can be reduced in size and weight. The first surface (91) of the control board (90) is...  
JP6648619B2
A brushless motor 10 includes: a shaft 12; a rotor 14; a stator 16; a first bearing 18; a second bearing 20; a bearing holder member 22; a center piece 24; and a circuit board 26. The bearing holder member 22 is made of metal and holds t...  
JPWO2019150440A1
A magnet for detection with which a drive control system was formed in the perimeter of a rotation child of a motor and a motor along the hand of cut, and multiple 1st polar magnetic poles and 2nd polar magnetic pole have been arranged b...  
JP6641165B2
An electric motor with a stator having two coil sets arranged to produce a magnetic field of the motor, each coil set having a plurality of coil sub-sets; and two control devices, wherein the first control device is coupled to the plural...  
JP2020010545A
To reduce magnetic sensors.The drive device for a three-phase rotary electric machine mounted on a vehicle, includes: a plurality of switching elements for energizing through switching operation a three-phase winding of the three-phase r...  
JP6626960B2  
JP6626632B2  
JP6626212B2
An automotive electric fluidic pump includes a brushless and electronically commutated electric drive motor. The electric drive motor includes a permanent-magnetic motor rotor which rotates around a rotation axis and includes rotor poles...  
JP2019213417A
To reduce thrust electromagnetic force and fluctuation of a motor having such a specification that the lowest common multiple of the number of poles including skew structure and the number of slots is small.A brushless motor 2 has a quad...  
JP2019208347A
To sufficiently reduce cogging torque in rotating electrical machines.A plurality of magnetic pole portions 220 are provided in the circumferential direction, and a first space portion 240 is formed between base portions 230 of a pair of...  
JP6615259B2
The invention relates to a rotary electric machine (300) capable of reducing the angle detection errors caused by the linkage of the magnetic flux generated by the motor (1) constituting the rotary electric machine (300) with the magneti...  
JP2019205266A
To raise accuracy of detection by a magnetic sensor in a brushless motor.A brushless motor is provided with: a rotor 3; a stator 4; and a magnetic sensor 6. The rotor 3 has: a rotor core 31 which integrally rotates with a shaft 2; and a ...  
JP6610910B1
[Subject] Commutator [non-] -izing or by Brushless -izing, a direct-current machine with a high current capacity factor is provided for the direct-current machine which has many pieces of a commutator. [Means for Solution] direct-current...  
JP2019533975A
The motor (11) containing the 1st seat object (111), the 2nd seat object (112), the magnetic ring (113) provided in the 1st above-mentioned seat object (111), and the position perception assembly (115) provided in the 2nd above-mentioned...  
JP2019198147A
To reduce an angle detection error that is caused by a linkage between a magnetic flux generated by a motor (1) constituting a rotary electric machine (300) and magnetism detection units (221) of a rotary position detector (2).The rotary...  
JP6601328B2  
JP6601329B2  
JP2019187166A
To provide a two-axis integrated motor or the like in which two detection units can be individually adjusted.A two-axis integrated motor 1 includes an inner shaft rotor 110 and an outer shaft rotor 10 with the same rotation axis directio...  
JP2019187163A
To provide a two-axis integrated motor or the like in which two detection units can be individually adjusted.A two-axis integrated motor 1 includes an inner shaft rotor 110 and an outer shaft rotor 10 with the same rotation axis directio...  
JP2019186982A
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...  
JP2019186980A
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; a first stator; a second stator; a first rotor yoke; a second rot...  
JP2019530400A
The present invention contains the substrate arranged above a sensing magnet and the above-mentioned sensing magnet, The above-mentioned sensing magnet is based on the center of the above-mentioned sensing magnet for the above-mentioned ...  
JP2019176677A
To provide a motor having a structure capable of adjusting a circumferential position of a rotary sensor held by a bus bar holder with respect to a to-be-detected part and improving fixing strength of the bus bar holder in a circumferent...  
JP2019176674A
To provide a motor having a structure capable of adjusting a circumferential position of a rotary sensor held by a bus bar holder with respect to a to-be-detected part and improving fixing strength of the bus bar holder in a circumferent...  
JP2019176673A
To provide a motor having a structure capable of adjusting a circumferential position of a rotary sensor held by a bus bar holder with respect to a to-be-detected part and improving fixing strength of the bus bar holder in a circumferent...  
JP2019176672A
To provide a motor having a structure in which a circumferential position of a rotary sensor held by a bus bar holder with respect to a to-be-detected part can be adjusted and fixing strength of the bus bar holder in the circumferential ...  
JP2019176671A
To provide a motor having a structure capable of adjusting a circumferential position of a rotary sensor held by a bus bar holder with respect to a to-be-detected part and improving fixing strength of the bus bar holder in a circumferent...  
JP2019176588A
To provide a consequent pole type motor capable of switching coils based on a signal to detect a leakage flux of a rotor magnet.The motor includes: a fixed unit; and a rotor 20 rotatable around a central axis with respect to the fixed un...  
JP6588830B2  
JP2019170038A
To provide a motor capable of detecting a rotating state of a rotating body with high accuracy and facilitating manufacture.A motor 10 comprises: a rotating shaft 40 rotated by rotation of a rotor; a first sensor magnet 46 having a plura...  
JP6582216B2  
JP2019165632A
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...  
JP6578979B2  

Matches 1,351 - 1,400 out of 16,095