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WO/2020/249456A1 |
Provided is a swing door operator (110) for moving a door leaf (120) between a first position and a second position. The swing door operator (110) is arranged to operate in a powered and a powerless mode and comprises a permanent magnet ...
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WO/2020/245099A1 |
The invention relates to a circuit (1) for controlling an electric motor (2) of a window lifter (3) of a vehicle (4), wherein the electric motor (2) is configured to open a window (7), assigned to the window lifter (3), when a supply vol...
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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...
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WO/2020/228064A1 |
Provided is a vibration control system for a motor. The system comprises: a transformation module, an equalization module, a first conversion module, a second conversion module, an error calculation module and an adaptive adjustment modu...
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WO/2020/216002A1 |
Provided are a detection method and a mobile terminal. The method comprises: when it is detected that a driving assembly starts to drive a camera to move, acquiring a current value input into the driving assembly; and determining, accord...
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WO/2020/219175A1 |
An image forming apparatus includes a print engine, a DC motor, a driving circuit, and a processor. The print engine forms an image. The DC motor drives the print engine. The driving circuit provides a current to the DC motor, and senses...
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WO/2020/219277A1 |
An apparatus and method to be implemented with a control loop system that includes machine set, wherein the machine set includes a working machine, an electric motor driving the working machine, and a final control element, and wherein t...
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WO/2020/211274A1 |
A BLDC motor, comprising a motor controller and a motor body. The motor body comprises a stator component, a rotor component, and a motor housing. The motor controller comprises a motherboard and a daughterboard. The motherboard comprise...
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WO/2020/207756A1 |
A method for determining a speed of an electronically commutated electric motor (14), in particular an electric motor (14) for a fan (11), wherein current measurement values (18, 19) are detected at multiple points in time which describe...
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WO/2020/200188A1 |
A smart tool system and a control method therefor, comprising: a smart electric tool (100), comprising: an output shaft (10) used for outputting torque; a motor (20) used for driving the output shaft to rotate; a housing (30) used for ac...
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WO/2020/172249A1 |
A central electronic control unit (ECU, Ref. 14) is provided for controlling at least one bi-directional direct current (DC) motor (106) attached to a first vehicle seat and at least one electronic device attached to a second vehicle sea...
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WO/2020/167124A1 |
A electric motor assembly is configured to determine a motor winding resistance value, which depends on temperature, for operations like filtering false ripples during ripple counting based motor revolution measurement, or motor winding ...
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WO/2020/163643A1 |
A motor control circuit with power factor correction capabilities that optimizes the voltage and current load applied to an electric motor for different motor speeds and torque levels. The preferred motor control circuit includes a power...
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WO/2020/158196A1 |
This current control circuit controls drive current supplied to an inductive load and has: a first mode in which the duty of the drive current is controlled to 100% until the current value of the drive current reaches a first target curr...
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WO/2020/153077A1 |
This motor control device controls a motor (11) and is provided as a separate entity from the motor. The motor control device includes: a switch (30) provided in an electric power supply path of the motor; a temperature detecting unit (3...
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WO/2020/143206A1 |
A locomotive circuit of a dual internal combustion engine group and a control method and device thereof, a medium and equipment, the control method comprising: determining whether target output power required by a target dual internal co...
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WO/2020/135682A1 |
A series-excitation direct-current electric motor driving apparatus (100) and an electric device. The series-excitation direct-current electric motor driving apparatus (100) comprises: a series-excitation direct-current electric motor (1...
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WO/2020/135676A1 |
Provided is a serial-parallel excitation DC motor driving device (100), comprising: a serial-parallel excitation DC motor (10); a DC power supply (30); and chopper (20), wherein, the chopper (20) has m chopper units (21), the control sig...
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WO/2020/135688A1 |
A separately excited direct-current motor driving device (100) and electric equipment. The separately excited direct-current motor driving device (100) comprises: a separately excited direct-current motor (10); a direct-current power sup...
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WO/2020/133637A1 |
A parallel excitation DC motor driving device and electric equipment. Wherein the parallel excitation DC motor driving device (100) comprises: a parallel excitation DC motor (10); a DC power supply (30); and a chopper (20), which convert...
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WO/2020/135663A1 |
The present invention provides a parallel-series excited direct current motor driving device and an electric apparatus. The parallel-series excited direct current motor driving device provided by the present invention comprises a paralle...
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WO/2020/129922A1 |
This DC motor is configured so that, while either one of a pair of power feeding brushes makes contact with two commutator segments, the other makes contact with only one of two commutator segments. The DC motor is further provided with:...
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WO/2020/120069A1 |
The invention relates to a motor apparatus (12) for a switch drive (10) of an electric switch, having an electric motor (14) and a control apparatus (16) for controlling the electric motor (14), the control apparatus (16) having a power ...
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WO/2020/109240A1 |
The invention relates to a method for a failsafe monitoring process for monitoring the rotational speed of a sensorless three-phase drive (3). The three-phase drive (3) is actuated by a drive electronic system (2), which has an inverter ...
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WO/2020/108381A1 |
A stand mixer and a drive circuit for the same. The drive circuit for the stand mixer comprises a main control circuit (1); an electronic switch (2); a rectifier circuit (3) for establishing an electrical connection to the mains power; a...
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WO/2020/103954A1 |
A permanent magnet direct-current motor driving apparatus and electric equipment, comprising: a permanent magnet direct-current motor (10); a direct-current power supply (30); and a wave truncator (1-20). The wave truncator (1-20) is pro...
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WO/2020/097508A1 |
A motor controller for controlling the operation of a three-phase permanent magnet synchronous electric motor, wherein the three-phase permanent magnet synchronous electric motor is characterized by three phases A, B, C, and further wher...
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WO/2020/095709A1 |
Provided are a seat belt retractor and a seat belt device. The present invention comprises: a spool; a motor for rotating the spool; a switching element connected to the motor; a control circuit that switches the switching element via PW...
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WO/2020/093679A1 |
An embodiment of the present invention discloses a control system for a hair dryer, the hair dryer comprising an electronic switch electrically connected to a circuit board. The control system comprises: a power supply module supplying a...
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WO/2020/078701A1 |
The invention relates to a brushed DC motor for driving a compressor, in particular compressed-air generation with a compressor and a brushed DC motor, preferably for a pneumatic spring system, a brake system or similar compressed-air co...
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WO/2020/065216A1 |
The invention relates to a motor-control circuit (1) comprising (i) a main branch (10) allowing an electric motor (12) to be controlled via a control switch (101), and (ii) a flyback branch (11) placed to bypass the electric motor (12) i...
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WO/2020/057914A1 |
The invention relates to a motor apparatus (12) for a switch drive (10) of an electric switch, having an electric motor (14) and a control apparatus (16) for controlling the electric motor (14), the control apparatus (16) having: a recti...
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WO/2020/044062A1 |
A drive circuit (1) comprises first and second circuit loops (7, 8) connected in parallel across a DC power supply (20) to deliver pulsed DC to the power connection arrangement (31) of an electric motor (30) which is arranged to provide ...
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WO/2020/043091A1 |
Provided are a protection method and system for an inverter, and a vehicle. The inverter is used for driving an electric motor. The method comprises the following steps: acquiring a rotation speed of an electric motor; when the rotation ...
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WO/2020/031672A1 |
This motor drive device 10 has: an IPD1 for which a VBB pin and an IN pin are connected to the application end of a voltage V1, an OUT pin is connected to a node n1 of a DC motor 20, and that performs on/off control of a transistor M5 th...
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WO/2020/028287A1 |
A motor drive unit for driving a motor of a motorized window treatment may comprise software-based and hardware-based implementations of a process for detecting and resolving a stall condition in the motor, where the hardware-based imple...
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WO/2020/014914A1 |
Disclosed is an N-phase motor, wherein N is an integer and is greater than or equal to three, and the motor comprises: an outer casing; i×N stator windings that are fixedly arranged inside of the outer casing, i being an integer and gre...
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WO/2020/001218A1 |
An automatic coffee machine and an electric motor control circuit thereof. The electric motor control circuit of the automatic coffee machine comprises a power supply circuit, an H-bridge drive circuit, a first sampling circuit, a second...
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WO/2019/241109A1 |
A system may include an output stage for driving a load at an output of the output stage, a pulse-width modulation mode path configured to pre-drive the output stage in a first mode of operation, a linear mode path configured to pre-driv...
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WO/2019/241048A1 |
One example is a system (100) for controlling a motor during startup. The system (100) includes measurement logic (104), pattern detection logic (106), and mode logic (108). The measurement logic (104) monitors a back-electromotive force...
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WO/2019/220716A1 |
In past methods, at least one cycle of diagnostic time was required in order to detect pulses, and a problem was presented in that the diagnostic time was long. This load driving device is provided with a drive-side switching element, a ...
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WO/2019/206759A1 |
Method (100) for controlling a drive arrangement (200) for an automatic door operator (30) of an entrance system (10) having one or more movable door members (D1…Dm), whereby the automatic door operator (30) is for causing movements of...
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WO/2019/208579A1 |
This rotating electric machine load detection device is provided with: a pulse output means for outputting a pulse signal (P) synchronized to the rotation of a rotating shaft; a current change measuring means for comparing, on the basis ...
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WO/2019/201300A1 |
The present invention relates to a power tool and a control method. The power tool comprises: a battery connecting part, wherein the battery connecting part is used for connecting a first battery pack and a second battery pack in a detac...
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WO/2019/192991A1 |
The invention relates to a device (10) and a corresponding method (40) for providing a high-resolution PWM signal. The device (10) comprises: an energy store (21A; 21B); a power source (22A; 22B); switching means (11, 12), which is desig...
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WO/2019/193266A1 |
The present invention concerns a motor-fan unit (GMV) for a motor vehicle (V) comprising an electric motor (MOT) and an electronic control card (CD) for controlling said electric motor (MOT), said electronic control card (CD) comprising:...
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WO/2019/189298A1 |
Provided is a fluid delivery device including an impeller for causing a fluid to flow from a suction port to a delivery port, a DC motor for rotating the impeller, a housing that houses the impeller, and a control device for PWM controll...
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WO/2019/180330A1 |
The invention relates to a lighting correction device with DC electric motor for a motor vehicle. The device (1) includes a corrector (3) intended for a motor vehicle headlight (2), the corrector (3) being provided with a DC electric mot...
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WO/2019/176471A1 |
Provided are a linear compressor and a linear compressor control system which do not require a sensor for detecting the position of a mover and can calculate the mover position with high accuracy in consideration of the position dependen...
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WO/2019/168759A1 |
Simulated bog-down system and method for power tools. One power tool according to an example embodiment includes a power source and a motor selectively coupled to the power source. The motor includes a rotor and stator windings. The powe...
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