| Document |
Document Title |
|
WO/2022/204547A1 |
A power tool that includes an electric motor. The electric motor includes a plurality of stator windings, a plurality of switches for selectively coupling the plurality of stator windings in a first configuration or a second configuratio...
|
|
WO/2022/186684A1 |
The invention relates to electrical engineering, and more particularly to multi-motor ac electric drives used, for example, in carding machines having multiple carding units. The technical aim is to allow the smooth start-up of all of th...
|
|
WO/2022/180366A1 |
A method is described for determining an initial position of a rotor of a brushless motor. The method comprises determining a rise time difference for each of three different pairs of voltage vectors, and determining the initial position...
|
|
WO/2022/176438A1 |
If the temperature of an electric motor (44) is lower than a prescribed temperature at startup of an internal combustion engine (1), warm-up control of the electric motor (44) is carried out to raise the temperature of the electric motor...
|
|
WO/2022/171365A1 |
Systems and methods for soft starting a motor (40) using solid-state switching devices are disclosed. The system (10) includes a soft starting switch (53) that is made of a plurality of solid-state switches (62, 63). The system (10) also...
|
|
WO/2022/154594A1 |
A component interface module with enhanced user convenience, according to the present invention, is a component interface module for managing the interface between a control system, which generates component command signals, and componen...
|
|
WO/2022/148849A1 |
The invention relates to a periodic electric motor, in particular a rotary periodic electric motor, comprising electrical switching means supplying each one of d poles with power only for a portion of a period. They absorb the current ac...
|
|
WO/2022/130283A1 |
A control circuit and method for DC motors is disclosed in the present application. The control circuit may comprise a voltage monitoring unit for monitoring the output voltage of the DC power supply, a switching circuit for controlling ...
|
|
WO/2022/121369A1 |
A motor start control method and apparatus, a processor, and a storage medium. The motor start control method comprises: acquiring an output waveform of a position sensor; determining a lead angle position of a motor in the next cycle ac...
|
|
WO/2022/120779A1 |
A motor (11) starting method and apparatus, a storage medium, and a system; when monitoring that a motor (11) is unable to start normally at a low temperature, heating the coil of the motor (11); the heat produced by the coil of the moto...
|
|
WO/2022/117224A1 |
The system (100) is used for starting and synchronizing synchronous motors (10) with power electricity of an electric grid (20). The system (100) includes a variable frequency driver (30) for starting the synchronous motors (10), and an ...
|
|
WO/2022/109700A1 |
Positioning process of a piston (500) of a reciprocating compressor, applied before the beginning of a start procedure of a BLDC triphasic synchronized motor (100), the reciprocating compressor comprising: the BLDC motor (100) having a r...
|
|
WO/2022/109766A1 |
An automatic optical inspection apparatus with a safety control type motor, comprising a movable platform, a motor, a scanning camera, a safety module and a power supply, wherein the movable platform comprises a carrier plate and a base ...
|
|
WO/2022/109699A1 |
The present invention refers to a starting method with two-levels modified and discrete fixed-time or fixed-frequency hysteresis current controller, under high load conditions, of a BLDC motor (10) with trapezoidal-shaped induced voltage...
|
|
WO/2022/106567A1 |
An apparatus (1) provided to connect at least one device (2) to a power distribution system (3), said apparatus (1) comprising a human machine interface, HMI, (4) having elements to interact with the apparatus (1), wherein the human mach...
|
|
WO/2022/095575A1 |
The present invention provides a motor driver, and a motor speed control method and control system. The motor driver comprises: a communication module, used for obtaining an operation mode instruction; a control module, connected to the ...
|
|
WO/2022/095059A1 |
An internal combustion charging system, which is used to charge a battery (500). The internal combustion charging system comprises an internal combustion generator (100), a rectifier (200), a power module (300) and an external module (40...
|
|
WO/2022/074360A1 |
A method of controlling a brushless permanent-magnet motor having a phase winding and a rotor, includes applying voltages of first and second opposing polarities to the phase winding when the rotor is oscillating about a parking position...
|
|
WO/2022/060461A1 |
An example system includes a first surge protection module configured to receive a command signal; a motor control module configured to receive: (i) the command signal from the first surge protection module, and (ii) an enable signal, wh...
|
|
WO/2022/053214A1 |
The invention relates to a power tool (2), in particular a handheld power tool, for example a grinding machine, comprising a tool (5), an electric motor (6) for driving the tool (5), and a control unit (7) for actuating the electric moto...
|
|
WO/2022/047834A1 |
An HVAC system control unit and an HVAC system. The HVAC system control unit comprises a first functional module, i.e. a main control module (7) which is used for receiving a control signal of an external temperature controller, and cont...
|
|
WO/2022/042883A1 |
A hybrid gearbox for a mechanical driven equipment in a train system is disclosed. The hybrid gearbox is connected between a power source and a load, to be driven. The hybrid gearbox includes a layshaft gear, capable of adjusting the tra...
|
|
WO/2022/044070A1 |
An electric motor drive device of an embodiment of the present invention comprises: an electric motor; a main circuit; a current sensor; and a control unit. The electric motor comprises a plurality of windings. The main circuit converts ...
|
|
WO/2021/256741A1 |
The present invention relates to a bidet which detects a user's seating by detecting that a sensor unit is pressed or a pressed state is released according to a change in pressure applied to a seat portion, and supplies DC power only in ...
|
|
WO/2021/240552A1 |
An Integrated Starter Generator System The present invention relates to an Integrated Starter Generator system (100) comprising a battery (110) and a three-phase brushless DC electric machine (130). The electric machine (130) has a stato...
|
|
WO/2021/239344A1 |
The invention relates to a method for starting and stopping an asynchronous motor (4) by means of a soft starter (1). The method comprises the following steps: determining ignition options of one or more thyristors (2) of the soft starte...
|
|
WO/2021/224322A1 |
There is provided an induction machine (100) comprising a rotor (120); a stator (140); and a phase-shift oscillator (160). The stator comprises: a first winding (141); and a second winding (142), arranged at a first angle (101) relative ...
|
|
WO/2021/221806A1 |
This disclosure relates to refrigerant compressors, and, in particular, relates to cooling for the power electronics of such compressors. An example refrigerant system includes a main refrigerant loop in communication with a condenser, a...
|
|
WO/2021/206735A1 |
A charging system for a vehicle is provided. The charging system is for charging an energy storage system of the vehicle using grid power. The grid power may be an external three-phase AC. The charging system may use field weakening tech...
|
|
WO/2021/198425A1 |
A method for operating a multi-phase generator, and An arrangement for a multi-phase generator comprising a stator with a plurality of phases, each of the phases of the stator comprising a phase winding (W) having at least two phase wind...
|
|
WO/2021/201590A1 |
The present invention relates to an electromagnetic contactor and, more particularly, to an electromagnetic contactor for star-delta driving, which is capable of rapidly and safely switching a connection of a 3-phase motor from a star co...
|
|
WO/2021/194482A1 |
An electric machine and a turning gear system for aircraft gas turbine engines are provided. The system has an electric machine designed for dual mode operation and a controller. The stator winding arrangement in the electric machine ena...
|
|
WO/2021/151456A1 |
The invention relates to a drive system (1) comprising a frequency converter (2), at least one drive unit (3), and a power supply (4), wherein the drive unit (3) has an electric motor (M) and at least one further component (36) consistin...
|
|
WO/2021/145864A1 |
Enhanced network power factor corrective designs are presented that can use corrective devices that achieve long-term, operationally stable mechanical work. Embodiments can utilize reverse-winding induction motor designs with engineerabl...
|
|
WO/2021/121890A1 |
The invention relates to a method for controlling the, current output of a battery, wherein the battery is used as a traction battery for driving a rail vehicle. A battery actual current Ibat,ist passes, as a three-phase alternating curr...
|
|
WO/2021/118928A1 |
Systems, devices, and methods for: an unmanned aerial vehicle (UAV); at least one sensorless motor comprising a set of windings and a rotor; at least one propeller connected to the at least one sensorless motor; a microcontroller in comm...
|
|
WO/2021/102771A1 |
The present application relates to a low-power-consumption motor starter and a refrigeration device. The low-power-consumption motor starter comprises a compressor motor circuit (10), a current measurement circuit (20), and a controller ...
|
|
WO/2021/102752A1 |
The present application provides a low-power consumption motor starter and a refrigeration device. The low-power consumption motor starter comprises a compressor motor loop (10), a compressor protective circuit (20), a voltage sampling c...
|
|
WO/2021/104654A1 |
The invention is directed to a method for driving a single-phase electric motor (10), the electric motor (10) comprising: a static motor stator (12) with a stator coil (18), a rotatable motor rotor (14), a switchable drive electronics (2...
|
|
WO/2021/069315A1 |
Disclosed is a motor protection device (1). The motor protection device (1) includes an interrupter unit (11, Q1, Q2) for electrically connecting a power supply (Vcc) and an electric motor (M) in an operation mode and electrically discon...
|
|
WO/2021/069926A1 |
A method of testing a motor of a robot arm for a fault during a start-up procedure of the robot arm. The robot arm comprises a first link connected to a second link by a joint, the joint permitting the second link to move relative to the...
|
|
WO/2021/043769A1 |
The subject of the invention is a method for ascertaining the direction of rotation of a rotating field, wherein the rotating field is generated by three phase-offset AC currents. The rotating field corresponds to a rotating magnetic fie...
|
|
WO/2021/043240A1 |
Provided are a pulse-width modulation (PWM) control-based motor phase current measurement method and air conditioner; said phase current measurement method comprises: during the process of starting a motor, measuring a current signal of ...
|
|
WO/2021/032302A1 |
The invention is directed to a method for starting a sensorless single-phase electric motor (10), the electric motor comprising (10): - a permanent magnetic motor rotor (24), - an electromagnetic motor stator (12) with a stator coil (16)...
|
|
WO/2021/010635A1 |
The present invention relates to a 4-phase switched reluctance motor which is configured as a 4-phase motor by coaxially arranging two 2-phase motor units, is capable of effectively driving forward and backward by calculating a switching...
|
|
WO/2020/240593A1 |
A motor system includes a motor. The motor has a stator, which has a first stator winding. A relay is connected in series with the first stator winding. The motor system acquires a plurality of samples of voltage supplied to the motor an...
|
|
WO/2020/240580A1 |
The motor system includes a motor, a quick disconnect (QD) relay, and a main relay. The motor includes a stator having a first stator winding. The motor system estimates power supplied to the motor based on a plurality of samples of the ...
|
|
WO/2020/239385A1 |
The invention relates to a commutation method and to a single-strand EC motor with a winding strand with two winding connections, comprising a current regulating device in the winding strands between the winding connections, wherein the ...
|
|
WO/2020/221985A1 |
A method of operating an electric or hybrid system comprising a synchronous reluctance electric motor coupled to an electric or hybrid powertrain is described herein. The method comprises determining (i) a torque demand required of the e...
|
|
WO/2020/202469A1 |
This electric motor control device has: a power conversion device for supplying a voltage to a plurality of electric motors connected in parallel with each other; a plurality of relays provided corresponding to the plurality of electric ...
|
