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Matches 1 - 50 out of 15,771

Document Document Title
WO/2018/226040A1
The present invention relates to a brushless motor, and an objective of the present invention is to provide a brushless motor which can significantly reduce the cogging torque and torque ripple of the motor by minimizing the rate of chan...  
WO/2018/221121A1
A brushless motor 1 used as a power source for an electric power steering system, the brushless motor 1 having a stator 2 and a rotor 3. The stator 2 is provided with twelve teeth 8 and two systems of windings 6 wound around the teeth 8,...  
WO/2018/221113A1
This brushless motor 1 comprises a stator 2 provided with a stator core 5 and a winding 6, a rotor 3 provided with a magnet 13, and a magnetic sensor 18 for detecting a rotational position of the rotor 3. The rotor 3 has a skewed structu...  
WO/2018/216200A1
Disclosed is a rotating electrical machine wherein a rotating electrical machine main body has a housing and a rotating shaft. An angle detector that detects the rotating angle of the rotating shaft has: a magnetism generator that is pro...  
WO/2018/202410A1
The present disclosure relates to an electric synchronous motor for an electrical power tool. The electric synchronous motor (10) comprises a tubular rotor (11) magnetized to have circumferential polar alternations. The electric synchron...  
WO/2018/193616A1
A DC motor is provided with: a rotor portion (30) having a sensor magnet (7) attached to one end in an axial direction; a sensor portion (8) for sensing leakage magnetic flux from the sensor magnet (7) to detect the rotational position o...  
WO/2018/190949A1
An electrical machine (20) has a stator (22) comprising: a core (50) having a first end (52) and a second end (54); one or more windings carried by the core and having: one or more first portions (62) protruding from the first end; and o...  
WO/2018/188284A1
Disclosed is a brushless alternating current oscillating micro-motor, comprising a rotor, wherein the rotor comprises a shaft (1), and a first iron core lamination (41) and a second iron core lamination (42) running through the shaft (1)...  
WO/2018/188755A1
A sheet of a rotor of an electric machine has at least one polar sector (102 to 112) which has a reflection asymmetry with respect to any radial inner line (166), the reflection asymmetry being associated with outer flux barriers (114 to...  
WO/2018/184769A1
The invention relates to a rotor for a brushless direct-current motor comprising a shaft, a rotor core arranged on the shaft, the rotor core acting as a return body, and a ring magnet which surrounds the rotor core and is attached to sam...  
WO/2018/170726A1
A brushless motor includes a stator (26) having six slots (30), and a rotor having two poles. The rotor is adapted to rotate with respect to the stator. By adopting a 6-slots-2-poles structure, the brushless motor effectively reduces ope...  
WO/2018/172178A1
The invention relates to a pole shoe (2), to an electric motor having such a pole shoe (2), and to a vehicle. The pole shoe (2) for limiting a winding surface (10) of a rotor that can rotate about an axis of rotation, in particular of an...  
WO/2018/172291A1
The present invention relates to a synchronous machine with permanent magnets including at least one rotor (1) formed of at least one permanent magnet (2) joined to a shaft (11) extending through a stator (3) bearing a plurality of windi...  
WO/2018/166806A1
In an electronically commutated motor comprising a permanently excited rotor, which has a rotor shaft (122) and which is coaxially surrounded by a stator with at least one stator winding, wherein the rotor shaft (122) defines an axis of ...  
WO/2018/155350A1
This motor includes a ring-shaped sensor magnet which integrally rotates with the rotating shaft of a rotor with a bushing interposed therebetween, and a rotation detector which is for detecting rotation information about the rotor and i...  
WO/2018/148651A1
A brushless electric motor includes a stator and a rotor. The stator includes a core defining a plurality of stator teeth, a first end cap proximate a first end of the core, a second end cap proximate a second end of the core, and a plur...  
WO/2018/147012A1
This motor 1 is provided with: an axially extending shaft 2; a rotor 3 having a field magnet 32; a stator 4; a resolver 5 located closer to one axial side than the rotor 3 and the stator 4; and a shield member 7, at least one part of whi...  
WO/2018/143973A1
A first measurement of a magnet that rotates is received from a first set of Hall sensors in a first component. A second measurement is received from a second set of Hall sensors in a second component where the first component and the se...  
WO/2018/139245A1
The coil assembly of a stator is constituted in such a manner that the effective coil part of other electromagnetic coils is housed within the air-core region of each electromagnetic coil. The external shape of each electromagnetic coil ...  
WO/2018/131693A1
An embodiment of this sensor magnet assembly comprises: a fixed member that has a cylindrical shape extending in the axial direction and that is fixed to an end on one side, in the axial direction, of a shaft; and a sensor magnet that is...  
WO/2018/122593A1
This invention relates to brushless DC rotation machine which comprises a stator with a sequence of electromagnets connected, through electrical junctions, one to the other to form a closed loop electrical circuit and two closed loop ele...  
WO/2018/117629A1
The present invention relates to a stack-type stator configured by forming coil patterns patterned on a multi-layer substrate, and an air purification system motor and blower using the same. The stack-type stator of the present invention...  
WO/2018/109465A1
A stator for an electric motor or generator, the stator including a first circumferential portion and a second circumferential portion, wherein the first circumferential portion is oriented substantially perpendicular to the second circu...  
WO/2018/100392A1
The present techniques generally relate to electric motor which may include one or more sensors usable to determine rotor alignment and/or speed. A method and apparatus for rotor alignment and/or speed error detection and/or correction a...  
WO/2018/094051A1
A thrust magnetic bearing integrated with an induction machine and methods for using the same for slow roll control of rotors and other rotating components is provided. The rotor can include a shaft and a thrust bearing disk. The thrust ...  
WO/2018/091101A1
The present invention relates to an electric automotive fluid pump (10) comprising an electronically commutated motor (42) with a motor rotor (46) being permanently magnetized and stator coils (50), and a motor electronics (58) for elect...  
WO/2018/091824A1
The invention relates to a high-speed electric machine, having a speed higher than 20,000 rpm, comprising a rotor (1) having 1 or 2 pairs of magnetized poles, and an enhanced stator (2) which has an outer diameter that is larger than 18 ...  
WO/2018/087436A1
The present invention relates to an electromagnetic actuator (1) with axial flux, which comprises at least one stator (2, 2a) with at least one auxiliary series (3) of windings and a first series (3a) of windings (10). The first series a...  
WO/2018/075735A1
A sort buffer (302) includes a phase sector determination circuit (402), a phase sector update circuit (404), and a phase sector completion circuit (406). The phase sector determination circuit (402) is configured to determine a phase se...  
WO/2018/062656A1
The present invention relates to a BLDC motor, the BLDC motor comprising: a stator having a plurality of teeth extending toward the interior of a core, and having an extended pole shoe at the inner end, in the radial direction, of each t...  
WO/2018/056561A1
A non-stop motor according to an embodiment of the present invention comprises stators and a rotor. The stators comprise: an inner core stator and an outer core stator annularly formed and facing each other with a gap therebetween; and a...  
WO/2018/047746A1
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...  
WO/2018/040365A1
Provided is a method for machining a permanent magnetic direct-current brushless motor, the method comprising the following steps: machining a semicircular acceleration notch (3) having a magnetic flux control function at the middle posi...  
WO/2018/044141A1
The present invention provides an apparatus for sensing rotor location, the apparatus comprising: a sensing magnet; and a substrate arranged above the sensing magnet, wherein the sensing magnet comprises a main magnet and sub magnet, the...  
WO/2018/037455A1
A consequent pole-type rotor 20 comprising: a plurality of first magnetic pole sections 60 each including a plurality of permanent magnets and having a first polarity as a result of the permanent magnets; a plurality of second magnetic p...  
WO/2018/030611A1
The present invention relates to a BLDC motor comprising: a stator, which has a plurality of teeth formed to extend to the inner side of a core and has coils wound around the teeth; a rotor arranged to be spaced from the inside of the st...  
WO/2018/028736A1
A method for adjusting an actuator device having a magnetic sensor apparatus and an actuator, said magnetic sensor apparatus having a transducer module with at least one permanent magnet and a sensor module with a first sensor for measur...  
WO/2018/025986A1
A motor that comprises: a shaft that is centered on a vertical center axis; a bearing mechanism that rotatably supports the shaft; an armature that is positioned outside the bearing mechanism in the radial direction; a bracket that has t...  
WO/2018/019378A1
The invention is directed to an electrical device (10) comprising a brushless one-phase driving motor (20) and a mechanical unit (12) being driven by the driving motor (20), the driving motor (20) comprising a motor rotor (30) being radi...  
WO/2018/016839A1
A brushless direct current vibration motor is provided. An eccentric weight arranged in a rotor is fixed between a back yoke and a permanent magnet such that both upper and lower surfaces of the eccentric weight are firmly fixed. The wei...  
WO/2018/003013A1
A stator (100) to which a power supply lead wire (11) for supplying electric power is connected, said stator (100) being provided with: a stator core (1); a winding (3) wound around the stator core (1); winding terminals (4a, 4b, 4c) con...  
WO/2018/001411A1
The invention relates to a method for measuring the angular position of a rotor (4) relative to a stator (3) of a clutch release system (2) of a motor vehicle, wherein an electric sensor (6) for detecting at least one magnet present on t...  
WO/2017/221702A1
Provided is a motor having a partition wall arranged between a rotor and a stator, with which it is possible to increase the accuracy of the relative position, in the diameter direction, of a magnet for driving the rotor and a magneto-se...  
WO/2017/207926A1
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...  
WO/2017/203570A1
This IPM motor rotor is provided with: a rotor core; a permanent magnet that is buried in the rotor core; a sensor magnet that is provided to one end of the rotor core; and a resin that covers the sensor magnet and fixes the sensor magne...  
WO/2017/186211A1
The invention relates to a method for linearizing signals of a magnetic field receiving module of a sensor-controlled commutated electrical machine (100), which comprises a stator (106) and a rotor (104), during a teaching process, where...  
WO/2017/182177A1
The invention relates to a motor control electronics system (1) for a brushless DC motor (20) which comprises a stator (22), a rotor (24) and a motor shaft (26) which is connected to the rotor (24), having an evaluation and control unit ...  
WO/2017/183473A1
The objective is to provide a brushless motor that has a reduced cost and that is able to efficiently block and absorb electromagnetic noise generated by the stator. This brushless motor 10 is equipped with a shaft 12, a rotor 14, a stat...  
WO/2017/183176A1
An electric rotating machine (100) includes: an output shaft (7); a magnetic body (28) fixed in a case (21) that surrounds the output shaft (7); a sensor magnet (27) fixed to the output shaft (7) and generating a magnetic field for detec...  
WO/2017/173787A1
A switched reluctance motor, comprising a housing and a rotor (410) and a stator (420) that are provided within the housing. The rotor (410) comprises multiple rotor teeth provided around the circumferential direction, and rotor grooves ...  

Matches 1 - 50 out of 15,771