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WO/2022/014799A1 |
A direct current motor is disclosed. A direct current motor, according to an embodiment, comprises: a stator that comprises a housing, a plurality of coils disposed surrounding the housing, and a plurality of switches connected to the pl...
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WO/2022/009201A1 |
Circuitry for directly providing drive power to a BLDC motor having separated coils, comprising unipolar controlled current sources for supplying current to each of the separated coils; a controller, for controlling the level and phase o...
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WO/2022/003761A1 |
Provided is a rotary encoder that has a function for responding to battery loss, has high performance, and is compact and inexpensive.　This rotary encoder comprises an MR sensor unit, a battery loss response unit that generates power a...
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WO/2021/261809A1 |
The present invention relates to a three-dimensional LIDAR apparatus for scanning nearby objects or topography through transmission and reception of a laser beam, by comprising, inside a housing having an upper case and a lower case: a l...
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WO/2021/254195A1 |
Disclosed in the present invention are a direct drive motor and a cleaning robot using same. The direct drive motor comprises an upper cover, a magnet assembly, a stator assembly and a base; the upper cover is provided outside the stator...
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WO/2021/257835A1 |
A power tool including a housing, a brushless direct current (DC) motor, an impact mechanism including a hammer and an anvil, an output drive device, a position sensor, and a controller. The position sensor is adjacent to a relief featur...
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WO/2021/255600A1 |
The invention relates to an engine controller (1) which is designed to be attached to an engine transmission unit (4) having an engine (5) to be controlled by the engine controller (1) and having a transmission (9) able to be driven by a...
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WO/2021/250974A1 |
This rotating electrical machine comprises an exciting coil generating flux, and a receiver coil generating an electromotive force according to change in flux from the exciting coil. The rotating electrical machine includes a sensor part...
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WO/2021/247954A1 |
Power tools described herein include a housing, a brushless direct current (DC) motor, a nonconductive terminal mount, and a plurality of terminals. The housing has a motor housing portion, a handle portion, and a battery pack interface....
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WO/2021/245568A1 |
An electric machine with permanent magnets comprises at least two rotors (2-5) mutually coaxial and each provided with two or more permanent magnetic poles associated with their side wall, at least one stator (10-12) provided with windin...
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WO/2021/230587A1 |
The purpose of the present invention is to provide a contactless power supply and data communication apparatus and a rotationally driven lidar system which applies the contactless power supply and data communication apparatus. The appara...
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WO/2021/213744A1 |
The invention relates to a control device (40) for controlling an electrical machine (10), which has a rotor shaft (22) mounted rotatably in a housing (12) of the electrical machine (10). The control device (40) comprises a printed circu...
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WO/2021/214614A1 |
Architectures or techniques are presented that can improve operation of permanent magnet (PM) motors, which can be part of a compressor or other heating, ventilation, and air conditioning (HVAC) device. Such improvements can be achieved ...
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WO/2021/199588A1 |
The brushless DC motor of an embodiment is provided in a ceiling fan and is provided with: three Hall elements (HE1, HE2, HE3) arranged in the circumferential direction; a circuit board (48) for supplying drive current to the stator on t...
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WO/2021/191052A1 |
The invention relates to a rotor (1) for a rotating electric machine that rotates about an axis of rotation (2), the rotor (1) comprising: - a body (3), - permanent magnets (4), the body comprising a plurality of rotor teeth (5) defining...
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WO/2021/186819A1 |
One aspect of a position detection device of the present invention comprises: at least three detection units which include a first magnetic sensor facing a permanent magnet in the axial direction of the rotor of a motor, and a second mag...
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WO/2021/186086A1 |
The present invention relates to an electric synchronous motor and to a system comprising the same. The invention further relates to a method of manufacturing an electric synchronous motor. According to the present invention, a sensor un...
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WO/2021/186820A1 |
A state detection device according to one aspect of the present invention comprises: at least three detection units that have a first magnetic sensor facing a permanent magnet in an axial direction of a rotor of a motor and a second magn...
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WO/2021/185904A1 |
The invention relates to a method (100) for controlling a planar drive system (200), comprising: in a first stator magnetic field determining step (101), determining a plurality of values of stator magnetic fields for a plurality of diff...
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WO/2021/185650A1 |
The invention relates to a drive motor (10) for a vacuum cleaner or a machine tool, wherein the drive motor (10) comprises a stator (20) having a stator coil arrangement (26) and a rotor (30) having a motor shaft (33), which is mounted o...
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WO/2021/180534A1 |
The invention relates to a drive device (1) for a braking device of a motor vehicle, said drive device comprising: an electric machine (2) which has a housing (5) and a rotor (4) rotatably mounted in the housing (5); and a rotor position...
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WO/2021/179435A1 |
Disclosed is a brushless electric motor. The brushless electric motor comprises a stator assembly and a rotor assembly, which are coaxially sleeved. The rotor assembly comprises a rotary shaft and a rotor yoke, which is coaxially sleeved...
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WO/2021/164926A1 |
The invention relates to a rotor (10) for an electric machine (14) having at least one lamination (16) which has an annular yoke (18), said yoke (18) comprising, on an outer face (22) directed outwards in a radial direction, at least one...
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WO/2021/156836A1 |
The present invention relates to a stepper motor based linear actuator with actuator position feedback and provides compensation to step loss. More particularly, the present invention provides stepper motor based linear actuator that inc...
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WO/2021/155263A1 |
A DC electric motor having a stator mounted to a substrate, the stator having a coil assembly having a magnetic core, a rotor mounted to the stator with a first set of permanent magnets distributed radially about the rotor to facilitate ...
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WO/2021/151708A1 |
The present invention relates to a brushless DC electric motor, in particular for an actuator unit of an implant, preferably for a cardiac support system, having a stator with a hollow-cylindrical iron-free winding and a rotor able to ro...
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WO/2021/139943A1 |
The invention relates to a rotor position sensor (16) for a motor vehicle for sensing the rotational position of a rotor (18) of an electric motor (12), comprising a sensor housing (22), in which the components of the rotor position sens...
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WO/2021/139715A1 |
Disclosed is a permanent magnet switched reluctance electric motor with a special-shaped pole piece iron core. The permanent magnet switched reluctance electric motor is characterized in that an excitation salient pole pair on a stator i...
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WO/2021/123156A1 |
An electric machine has a primary mechanical output and a plurality of electric sub-machines configured to drive the primary mechanical output. Each of said plurality of electric sub-machines has a rotor with a known rotational relations...
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WO/2021/122044A1 |
The invention relates to a variable air gap in a rotating electrical machine, in particular an electrical synchronous reluctance machine, assisted by permanent magnets.
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WO/2021/124313A1 |
Reduction of cogging torque in axial flux permanent magnet generators, which consists of: a stator which is located in three separate layers and a four-phase rotor by generating electrical energy by observing the sequence of magnetic pol...
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WO/2021/113671A1 |
The present disclosure is generally directed to techniques for radial alignment of motor components relative to each other to achieve a motor with a rotor bore having sub-micron end-to-end deviation. In an embodiment, a rotor bore alignm...
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WO/2021/104549A1 |
The invention relates to an assembly and a design for an electronically commutated electric motor, comprising: a stator (20) with wound stator teeth (21') and non-wound stator teeth (22') (auxiliary poles); cooling channels (o) provided ...
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WO/2021/107497A1 |
A brushless direct current (BLDC) motor includes a rotor having a cylindrical permanent magnet to which a shaft is centrally coupled, and supported to rotate on the shaft. An annular stator surrounds the rotor and includes a plurality of...
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WO/2021/099318A1 |
A rotor for a synchronous machine is described. The rotor comprising a central axis; a bore being centrally positioned and extending axially relative to the central axis. A plurality of poles arranged around the bore. The poles extend ax...
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WO/2021/100075A1 |
The purpose of the present invention is to obtain a rotating electric machine device (100) and an electric power steering device (150) in which a sensor (17) and control circuits (16) of two systems are provided in order to drive a rotat...
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WO/2021/095353A1 |
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 ...
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WO/2021/096143A1 |
The present invention relates to a hub-type electric driving device comprising a motor embedded inside a housing that doubles as a motor casing. The hub-type electric driving device of the present invention comprises: a housing having a ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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