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WO/2016/207832A1 |
The invention relates to a electrical/electronic apparatus, without dielectric coolants or oils, which is used to power electric motors and which alters the frequency, voltage, current and power parameters of the electric signals. The ap...
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WO/2016/204824A1 |
A DC-DC converter includes an input terminal Pin receiving an voltage input, switching circuits connected in parallel between the input terminal Pin and ground, an output terminal Pout from which converted voltage is output, and a contro...
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WO/2016/199491A1 |
The present invention relates to a load driving device including an H-bridge circuit, and the objective of the invention is to reduce the size of capacitors and/or the constituent elements of the H-bridge circuit (for example by reducing...
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WO/2016/193472A1 |
A DC fan motor (10) for a heating, ventilation and/or air-conditioning system module of a motor vehicle is described, comprising a rotor (14) and a stator (12). The stator (12) has at least one stator winding (16) which in the energized ...
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WO/2016/192837A1 |
The invention relates to a compressor (400') for generating compressed air, in particular for a compressed air supply system (1000) of a vehicle, comprising the following: - an electric motor (500) in the form of a brushed DC electric mo...
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WO/2016/194535A1 |
In order to provide an electric tool capable of suppressing variations in motor characteristics between external power supplies having different voltages, and of suppressing increases in the size of the electric tool itself, this electri...
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WO/2016/190212A1 |
Provided is an electrically powered brake device with which it is possible to increase the durability against heat in an electrically powered motor for the electrically powered brake device. This electrically powered brake device is prov...
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WO/2016/186525A1 |
An electric fan with a self-cleaning mode to energise rotating fan blades in alternate forward and reverse directions to create a vibration in order to shake built-up dust or dirt particles from the blades in a frequency at which the rot...
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WO/2016/183419A1 |
An electrical device includes a motor having at least one coil, a first input configured to be coupled to a rechargeable direct current (DC) power source and a second input configured to be coupled to an alternating current (AC) power so...
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WO/2016/170792A1 |
A motor drive device (30) includes a brushless DC motor (5) which drives a load, and a speed control unit (8) which determines a PWM ON-ratio for subjecting the brushless DC motor (5) to PWM control. The motor drive device additionally i...
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WO/2016/166797A1 |
An electric power steering device, wherein problems relating to heat emission due to ON resistance occur when a semiconductor switching element for opening and closing a current conduit between a battery and a bridge circuit is used, and...
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WO/2016/152074A1 |
Upon acquiring a speed command for controlling a motor (102), the motor drive device (101) controls a motor current flowing to the motor (102). The motor drive device (101) is provided with a speed control unit (14), a disturbance compen...
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WO/2016/127611A1 |
A speed regulation method for a controllable fan, at least comprising: whenever a speed regulation device for a controllable fan makes a decision that a rotational speed of the fan needs to be decreased, if the speed regulation device fo...
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WO/2016/127650A1 |
A constant torque control method for an electronic commutation motor (ECM), comprising the steps: A) acquiring an externally input target torque value T0; B) a microprocessor acquiring a current revolving speed value rmp; C) the micropro...
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WO/2016/100884A1 |
A control system for a power tool operated by a battery includes a detector to detect voltage of the battery, and a control unit. For each of a plurality of phases of a brushless direct current (BLDC) motor of the power tool, the control...
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WO/2016/100879A1 |
A power tool includes a multi-phase BLDC motor, a plurality of switches, an input unit, and a controller. For each phase, the controller operates to vary power output to the motor between a first power and a second power by varying a dut...
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WO/2016/092995A1 |
A fan motor system (1) is provided with: a fan motor unit (10) comprising a motor (101) and a controller (100) which controls the rotational speed of the motor (101) in accordance with an input command value; a command value outputting p...
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WO/2016/084091A2 |
A system for controlling an electric motor which includes three coils and a rotor, comprising a motion-profile-generator for generating a rotor-motion-profile and for producing a position-command, a position-controller for determining a ...
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WO/2016/082701A1 |
An electric tool control circuit comprises a central control module, a motor drive module, a motor, and a working parameter detection module. The working parameter detection module is separately electrically connected to the motor and th...
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WO/2016/078448A1 |
A rotation speed adjustment system for a fan. The system comprises a main control circuit (12) and a fan drive circuit (14), wherein the main control circuit is coupled and connected to the fan drive circuit and is used for generating a ...
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WO/2016/067787A1 |
A DC motor control device 1 having: communication units (10, 11) that receive a control command specifying a target rotation amount for DC motors (2-1, 2-2); sensor interface units (13-1, 13-2) that receive detection signals from rotatio...
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WO/2016/059723A1 |
The present invention includes an command voltage generating unit 31 which generates a new command voltage value obtained by correcting a present command voltage value so as to make the present rotating speed closer to the target rotatin...
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WO/2016/044998A1 |
A series-excited motor control system (100), comprising a first power supply changeover switch (105) and a second power supply changeover switch (106). When a series-excited motor (300) needs to be switched to a high-speed operating stat...
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WO/2016/041103A1 |
An automatically-limiting electric sausage filler comprises a piston (1), a manual shaft (2), an automatic shaft (3), a lower-limit signal detection element (4), a lower-limit magnet strip (5), a toothed piston rod (6), an upper-limit si...
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WO/2016/044838A1 |
Apparatus features a microcontroller configured to: receive signaling containing information about a measured change of a magnetic field created by a magnetic circuit driving a motor; and determine corresponding signaling containing info...
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WO/2016/029840A1 |
A method for accelerating a V/f controlled induction motor in a weak magnetic region. The method comprises: obtaining a no-load excitation current Im of the induction motor at a current stator frequency; selecting a smaller value of 0.5Â...
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WO/2016/032364A1 |
The invention relates to the field of constructing electrical motors and generators, and can be used, in particular, for generating electrical and mechanical energy. The aim of the invention consists in expanding the scope of applicat...
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WO/2016/026390A1 |
A motor control circuit for a level laser comprises a motor speed adjustment module and a speed stabilization module, wherein the speed stabilization module comprises a single-chip microcomputer and a motor speed stabilization chip, the ...
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WO/2016/012231A1 |
The present invention relates in particular to an adjustment device for a closure element on a vehicle, for example, a window pane, a sunroof, or a convertible top, wherein the closure element can be adjusted between an open and a closed...
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WO/2016/001289A1 |
Described is an actuator having an electric motor controlled by a control unit and having an active electronic position sensor for detecting the actuator position. The actuator is characterized in that the electrical energy for the opera...
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WO/2016/004081A1 |
A fan having one fan blade; a fan motor for rotating the fan blade; a motor control electrically coupled with the fan motor for controlling operational characteristics of the fan motor; and a power supply having a step-down high efficien...
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WO/2015/193175A1 |
Disclosed is an arrangement which has a drive unit (3) comprising a first terminal (31) and a second terminal (32), a differential amplifier unit (43) comprising a first input terminal, a second input terminal and an output terminal, a f...
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WO/2015/196125A1 |
A motor control circuit (100) includes a processor (124) configured to calculate multiple motor impedances from measurements of an excitation voltage (VE) on a power bus (105) to a motor (108) and measurements of multiple currents throug...
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WO/2015/184697A1 |
An excitation system based on double excitation windings, comprising a primary excitation winding (L1) and a subsidiary excitation winding (L2), wherein the magnetic fields of the two excitation windings are coupled via a rotor core. The...
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WO/2015/186714A1 |
In the present invention, a dynamo-electric machine includes: a rotor that rotates around a rotation shaft, said rotor having a plurality of salient poles that protrude orthogonally with respect to the rotation shaft; and a stator that i...
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WO/2015/185707A1 |
The invention relates to a method (54) for operating a brushed commutator motor (12) of an adjusting drive (8) in a motor vehicle, particularly a window lifter (2), having a rotor (24) and having a stator (22). An angular position (α) o...
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WO/2015/184136A1 |
A field control for permanent magnet motors is provided with a memory lookup table containing several addresses corresponding to each coil of the motor. Each address corresponds to the value of current to be supplied to the corresponding...
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WO/2015/177295A1 |
The invention relates to an electronic circuit (1,1a..1i) for a motor-driven door (5) of a rail vehicle (10), said electronic circuit having a series circuit of a first non-linear element (D1) and a first controllable switch (S1, T1) bet...
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WO/2015/175683A1 |
Disclosed are oscillating systems and/or apparatus for generating motive force or torque. The oscillating systems and/or apparatus described herein are capable of providing suitable oscillating motion to a workpiece of, for example, a pe...
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WO/2015/165848A1 |
A method for emulating a three-phase, brushless DC motor using a load emulator (1) is shown and described, wherein the load emulator (1) is connected in a three-phase manner via the load terminals (2) thereof to the supply terminals (3) ...
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WO/2015/161530A1 |
Disclosed are a fault state feedback method for a BLDC motor, an application of the BLDC motor, and an air-conditioning system. The BLDC motor is provided with a feedback port FG that outputs a motor rotating speed signal outwards, the F...
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WO/2015/153778A1 |
A method for limiting the torque of a permanent magnet AC motor includes a torque limit controller. The torque limit controller at least in part bases the torque limit on a selected direct voltage limit. The selected direct voltage limit...
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WO/2015/135682A1 |
The invention relates to an electric shaver (1) comprising a cutter unit (3), an electric motor (4), a load detector arranged to detect a load current of the motor (4) and a controller. The controller switches the average voltage from a ...
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WO/2015/129344A1 |
Provided is a vacuum cleaner, comprising: a main body part which generates a suction wind; a manipulation part which is connected to the main body part; a suction part for sucking up dirt and dust, said suction part being connected to th...
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WO/2015/118112A1 |
The invention relates to a method and to a device for correcting deviations in the identifying of an armature position of a mechanically commutated direct current machine, in particular a direct current motor (1), by evaluating the behav...
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WO/2015/116392A1 |
The present disclosure provides methods and systems for determining the rotor position of a BLDC motor having a saliency. Techniques according to the present disclosure advantageously may be used to determine a rotor position of a rotor ...
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WO/2015/097986A1 |
Provided is power equipment designed to obtain a power-saving effect associated with the operation of an electric motor by producing a harmonic suppression function on the side of a power trunk line for supplying power to the electric mo...
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WO/2015/093554A1 |
Provided is an engine unit, and the like, including a four-stroke engine having a load variation, in which the capability of quick start and the vehicle mountability are improved irrespective of the manner of cooling the engine. An engin...
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WO/2015/093423A1 |
Provided is a valve timing control device for an internal combustion engine with which the valve timing control device can be operated even when a portion of the coil of an electric motor is broken. In a step 4, when it is determined tha...
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WO/2015/078524A1 |
The present invention relates to an electrical household appliance comprising at least one synchronous electric motor (11, 12), a driver circuit capable of controlling the speed of said at least one synchronous electric motor (11, 12), s...
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