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Patent Searching and Data


Matches 1 - 50 out of 16,103

Document Document Title
WO/2021/078545A1
The invention relates to an electric machine comprising a permanent magnet arrangement and an electromagnetic arrangement. The electromagnetic arrangement comprises a first number of excitation coils, each excitation coils being wound ar...  
WO/2021/081029A1
A power tool including a housing and a motor assembly positioned within the housing. The motor assembly includes a stator with winding slots that receive stator windings and a rotor. The rotor includes a rotor body with a first slot posi...  
WO/2021/067059A1
A drain cleaning machine includes a brushless direct current (DC) motor configured to rotate a snake about the snake axis. An electronic processor is configured to control power switching elements to drive the brushless DC motor. In a fi...  
WO/2021/052688A1
The invention relates to an electrical machine comprising a stator and a rotor which is movable relative to the stator, the stator and/or the rotor having a plurality of grooves, specifically the stator having stator grooves (1) and the ...  
WO/2021/046993A1
Disclosed is a silent carbon-brush-free water stirring motor for a water stirring device, the water stirring motor comprising a water stirring motor bottom shell (1), wherein an inner cavity of the water stirring motor bottom shell (1) i...  
WO/2021/047956A1
The invention relates to a rotor (R) for an electric machine, the rotor (R) having a plurality of annular laminated core segments (BS) that are arranged one behind the other in the longitudinal direction of the rotor (R), and each lamina...  
WO/2021/048348A1
The invention relates to an external rotor device (10) comprising a rotor housing (15), which is designed to receive at least one rotor, and comprising at least one sensor magnet (30) which is provided on the rotor housing, wherein the s...  
WO/2021/049128A1
In this outer-rotor type brushless motor, in which the number of magnetic poles of a plurality of magnets and the number of slots between a plurality of teeth are 10 poles and 12 slots, or 14 poles and 12 slots, a plurality of windings a...  
WO/2021/042184A1
The present invention patent describes a control device for brushless permanent-magnet motors, pertaining to the field of articles for the generation, conversion or distribution of electrical energy, and more specifically to the branch o...  
WO/2021/032237A1
The invention relates to an electric motor (10) comprising a first motor component (12) which causes a magnetic flux and a second motor component (14) which is concentric therewith with respect to a common longitudinal axis (100) and is ...  
WO/2021/030263A1
A transmission includes a housing having a first end and a second end opposite the first end, a carrier mounted to the housing, an input shaft, an output shaft, a passage that extends from the housing's first end to the housing's second ...  
WO/2021/018496A1
The invention relates to a geared motor (1) comprising a first brushless electric motor part (2) having a stator (5), a rotor (4) and a drive shaft (8), a second part (3) having an output shaft (11) and a reduction gear mechanism (M) and...  
WO/2021/018097A1
A wheel structure, comprising a motor (20) which comprises end cover assemblies (21), and tires (10) which are provided on at least part of the motor (20); the end cover assemblies (21) are fastened on the tires (10) so as to limit the t...  
WO/2021/005883A1
The present invention addresses the problem of providing a brushless motor wherein the circularity of an insulator mounted to a stator core can be ensured, the circumferential direction locations and the axial direction heights of a stat...  
WO/2021/001850A1
The present invention relates to efficient Direct Current fans or in short ( SEDC Fans), that run on 12/24 volts DC power source. These fans take power in the form of pulses at regular intervals there by increasing the overall efficiency...  
WO/2020/259639A1
The present invention provides a brushless direct drive linear servo actuator, comprising: a stator, a mover and a housing, wherein the stator is a pair of armatures arranged in mirror symmetry at both sides of the mover, the housing int...  
WO/2020/213919A3
Disclosed is a stator coil winding device capable of easily winding a coil on a stator core of a stator employed in a BLDC motor. The stator coil winding device comprises: a stator transfer unit for transferring a stator having a linear ...  
WO/2020/213918A3
Provided is a stator coil winding apparatus which can easily wind a coil around a stator core configuring a stator employed in a BLDC motor. The provided apparatus comprises: a stator transfer unit for transferring a linear stator in the...  
WO/2020/241577A1
This motor (10) is provided with a stator (12) having: a stator core (26) having a plurality of teeth (22) disposed at intervals in the circumferential direction; and a coil (30) formed by winding conductive windings around the plurality...  
WO/2020/234686A1
A method and apparatus for controlling operation of a BLDC, the BLDC comprises a plurality of stator windings, and the stator windings are isolated or isolatable so that a stator current flowing in one stator winding is independent of an...  
WO/2020/233884A1
The invention relates to a synchronous reluctance motor, in particular a four-pole synchronous reluctance motor (1) having; a stator (2) with 48 stator grooves (3) for receiving a winding system (8); a reluctance rotor (5), which is spac...  
WO/2020/234532A1
The invention relates to a gear motor comprising a reduction gear train (18) and a three-phase electric motor comprising a stator (1) formed of a stack of sheets (12) and 3*k electric coils (5, 5A, 5B, 5C) and a rotor (6) having 5 k*N pa...  
WO/2020/233974A1
The invention relates to a method for detecting the rotary angle positions (α, β) of rotating parts of a wiper motor (10), the wiper motor (10) having a brushless electric motor (12) as a first part which comprises a rotor (15) rotatin...  
WO/2020/226323A1
Introduced are a rotor for a motor and a motor comprising same, the rotor comprising: a magnet coupled to a shaft to surround the outer circumferential surface of the shaft and including opposite polar magnetic portions alternately dispo...  
WO/2020/221543A1
It is known that by providing a pair of first depressions and a pair of second depressions at least in one of the rotor poles of a rotor on the rotor body surface, the torque ripple of an electric machine is reduced. In the electric mach...  
WO/2020/207648A1
In order to reduce the wiring outlay for an electric system, an electric system (1) is disclosed comprising an electrical operating means (2), an interface (3) and a transmission line (4), connected to the interface (3), for transmitting...  
WO/2020/208425A1
The present invention provides an electrical machine for use in an aircraft, comprising a rotor, wherein the rotor comprises a plurality of rotor poles, and a stator comprising a plurality of phases, wherein each respective phase occupie...  
WO/2020/202812A1
The present invention comprises: a substrate having a coil arrangement part in which a circuit pattern is formed; a plurality of coils each having a winding part formed in an annular shape, and a pair of connection parts drawn out from t...  
WO/2020/185108A1
An electromagnetic motor is intended for converting electrical energy into mechanical energy, and consists of a body (stator) having built-in electromagnets and a rotor having built-in permanent magnets, which interact with one another a...  
WO/2020/183523A1
This motor (1) has a rotor (2), a stator (3), and a magnetic sensor (5). The rotor (2) has a rotor core (21), a permanent magnet (22), and a sensor magnet (24). The magnetic sensor (5) detects magnetic flux from the sensor magnet (24). W...  
WO/2020/173526A1
The invention relates to a DC current machine comprising a rotor (3) that can rotate about an axis of rotation (4) and a stator (2) arranged coaxially relative to the rotor (3). In addition, the DC current machine comprises a cylindrical...  
WO/2020/174190A1
The invention relates to a stator (2) for a rotating electrical machine, comprising a stator mass (25) comprising teeth (23) and notches (21) between the teeth (23), each of the notches being, on the air gap side, completely closed, elec...  
WO/2020/162828A1
A stator of an SRM is disclosed. The stator includes two or more pairs of diametrically opposite stator poles and two or more stator windings. Each stator winding is wound around each pair of diametrically opposite stator poles. The wind...  
WO/2020/150536A1
Disclosed are various embodiments for a new and improved multi-tunnel motor and controller for an electric motor, where the motor controller is able to dynamically modify the number of phases and pole count of the electric machine in ord...  
WO/2020/148174A1
A drive for a carousel-type revolving door comprises a geared motor having an electric drive unit and a gear unit. The electric drive unit comprises a brushless direct current motor. The gear unit has multiple stages and is provided with...  
WO/2020/145518A1
An apparatus for operating as DC (Direct Current) generator and DC motor is disclosed. Two permanent magnets (101, 102) are placed to be able to rotate with a shaft and one coil (201) is placed outside the circumference of the permanent ...  
WO/2020/138530A1
The present invention relates to a brushless DC motor core using a hybrid composite containing aluminum, a multi-walled carbon nanotube, iron, and cobalt, whereby a hybrid composite, which has a low weight and high-performance magnetic c...  
WO/2020/092647A9
Various examples related to stator and rotor configurations for improvement in torque ripple in AC machines are presented. In one example, a rotor assembly includes a plurality of magnetic pole pairs distributed about a rotor core. Each ...  
WO/2020/125957A1
The invention relates to a brushless electrical machine (1), in particular to a brushless DC motor, comprising a housing (2), comprising at least one rotor (4) which is arranged on a shaft (3) which is rotatably mounted in the housing (2...  
WO/2020/120572A1
The invention relates to a rotor of a rotating machine comprising a rotor shaft (1) comprising an axis of rotation (X) and an attachment portion (13) comprising a radial end surface (11). The rotor further comprises a magnetic encoder de...  
WO/2020/095535A1
A motor according to an embodiment of the present invention is provided with a shaft (104), a rotor (103), a member (116), and a sensor (117). The rotor (103) is rotatably supported by the shaft (104). The member (116) faces the rotor (1...  
WO/2020/091133A1
The present invention relates to a material and configuration of a rotor core and a stator core in an electric motor in which a rotor is disposed inside a stator. The stator core and the rotor core are constituted by sequentially stackin...  
WO/2020/092647A1
Various examples related to stator and rotor configurations for improvement in torque ripple in AC machines are presented. In one example, a rotor assembly includes a plurality of magnetic pole pairs distributed about a rotor core. Each ...  
WO/2020/092436A1
A motor unit system is described that includes a housing, a brushless direct current motor comprising a shaft and a winding, the shaft extending from inside the housing to outside of the housing through a hole at the one end of the housi...  
WO/2020/084260A1
The invention relates to an electric machine comprising a rotor and a stator. The rotor (40, 4) comprises a plurality of permanent magnets (4), the stator comprises a plurality of coils suitable for being powered by an electric current a...  
WO/2020/083571A1
A rotor of an electric machine is proposed, which rotor has multiple segments arranged adjacent to one another in an axial direction, wherein each of the segments has multiple magnetic poles which are arranged coaxially with respect to a...  
WO/2020/085507A1
Provided is a direct current machine with which a high current utilization rate can be achieved, by configuring a direct current machine having a plurality of commutator segments to be commutatorless or brushless. A direct current machin...  
WO/2020/074947A1
The technical result consists in utilizing direct, short interactions between a static field and a dynamically changing field. A method for converting magnetic and electrostatic field energy into mechanical energy consists in using one o...  
WO/2020/075203A1
An apparatus (10) is described, for assembling a magnetic position sensor on a rotor (20) of an electrical machine, comprising a supporting structure (12), a pressure device (11) connected to the supporting structure (12) and comprising ...  
WO/2020/074100A1
The invention is directed to an electronically commutated electric motor (10), comprising -a static motor stator (12) with a ferromagnetic stator body (14) and at least one stator coil (16), -a rotatable and permanently magnetized motor ...  

Matches 1 - 50 out of 16,103