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Patent Searching and Data


Matches 1 - 50 out of 13,338

Document Document Title
WO/2018/168085A1
A motor control device 1 has: a drive signal generation unit 14 that generates a drive signal in accordance with the rotational torque generated by a DC motor 2 and outputs the drive signal; a sensor interface unit 15 that receives a det...  
WO/2018/162029A1
The invention relates to a purge pump system (1) of a vehicle (2) for purging C-H-gas of a tank system (3) to an induction line (4) of a combustion engine (5) of the vehicle (2), comprising a purge pump (6) and gas connection lines (7) f...  
WO/2018/163363A1
A motor driving device (100) comprises: an inverter (50) that is connected to terminals connected to a winding of a motor (70) having a winding, the inverter (50) applying an AC voltage to the motor (70); a switching part (60) that is co...  
WO/2018/158220A1
The invention relates to a drive system for a working machine, comprising an electric main drive; a switching device for connecting the main drive to an electric main grid; an electric auxiliary drive; a frequency converter for controlli...  
WO/2018/160122A1
An electrical synchronous machine (1) comprises a rotor (20) with rotor field windings (22) and a stator (10) with stator windings as well as a rotor power supply (50) and a stator power supply (60). The rotor power supply (50) is arrang...  
WO/2018/153327A1
Disclosed in the present invention is a control circuit applicable to a motor, having a driving state and a braking state. The control circuit has a driving state and a braking state. A driving branch comprises a branch formed by a stato...  
WO/2018/155332A1
A shift range control device (40) that switches shift ranges by controlling the drive of a motor (10) and comprises a first switching control unit (71), an inversion control unit (76), and a second switching control unit (77). The first ...  
WO/2018/143182A1
A drive circuit 50 of an electromagnetic brake 4 is used in a circuit 1 that is provided with: a motor 2; a converter 10 which converts alternating-current voltage into direct-current voltage so as to cause the direct-current voltage to ...  
WO/2018/115063A1
The present invention relates to a swing door operator for moving at least one door leaf between a first and a second position, comprising a motor and a mechanical drive unit adapted to be connected to and to move the at least one door l...  
WO/2018/104417A1
Method for controlling the speed of rotation of an electric motor (M), notably an asynchronous electric motor, by means of a variable speed drive (10) supplied with power by a mains electrical power supply (L1, L2, L3), in which method i...  
WO/2018/099701A1
The invention relates to a method for switching off a current-excited synchronous machine of a motor vehicle comprising a rotor (R) and a stator (S) and supplied by means of power electronics, wherein the rotor (R) is supplied via an exc...  
WO/2018/100942A1
The purpose of the present invention is to provide an electric tool capable of achieving inhibition of reaction due to braking in good balance with inhibition of voltage jumping due to regenerated energy. A grinder (1) is provided with a...  
WO/2018/047924A1
A shift range switching device (40) that: controls the driving of a motor (10) and thereby switches shift range; and comprises a feedback control unit (60), a fixed-phase electrification control unit (70), and a switching control unit (7...  
WO/2018/043258A1
Provided is a highly reliable power conversion device. This power conversion device (30) is equipped with: a power conversion unit (31), which has upper arm switching elements (S1, S3, and S5) connected to the positive side of a smoothin...  
WO/2018/041298A1
The invention relates to a shock absorber for a motor vehicle comprising two absorber parts, which can be moved relative to each other, and a rotating electric machine, which effects a displacement between the absorber parts. The electri...  
WO/2018/030362A1
Provided is a motor driving circuit which is provided with an upper switching element and a lower switching element serially connected to the upper switching element, and which drives a brushless DC motor. This motor driving circuit is p...  
WO/2018/025164A1
A method for controlling an electric motor, the method comprising receiving a command to place the electric motor in a short circuit mode; varying a limit to an available pulse width modulation depth for controlling current flow in the e...  
WO/2018/024832A1
The invention relates to a soft starter (10) for connecting at least one main circuit (12, 14, 16), each of which includes a bypass circuit (20) having a semiconductor switch (22). Said soft starter (10) comprises a control unit (40) for...  
WO/2018/015023A1
The invention relates to a converter system and a method for operating a converter system with a feedback function, in particular a block-type feedback function, having at least the following: - an inverter (101), in particular a first i...  
WO/2017/205342A1
Improved apparatuses and methods of returning magnetic energy of a motor to the motor system. Improved battery systems and configurations are disclosed to enhance recovery of magnetic energy of a motor, to enhance motor efficiency. A pow...  
WO/2017/202697A1
Disclosed is a method for recognizing motion impairment in a drive device (14), in which method a movably mounted element (15) is moved towards a target position (20) by means of an electric motor (16) whilst the drive device (14) is exp...  
WO/2017/200906A1
A method of adjusting the closing force of a door coupled to a door closer assembly having a bias element. The method includes determining the kinetic energy of the door without using the weight or dimensional aspects of the door. The de...  
WO/2017/194196A1
Converter system comprising an AC/DC converter and method for operating a converter system, wherein the DC-voltage-side terminal of the AC/DC converter feeds a series circuit, comprising a braking resistor and a controllable switch, in p...  
WO/2017/186319A1
The invention relates to a method for switching off a polyphase electrical machine (110) in a motor vehicle, wherein the polyphase electrical machine (110) has a rotor with a rotor winding (101) and a stator with a polyphase stator windi...  
WO/2017/186505A1
One aspect of the invention relates to a method for shifting a transmission, which can be shifted into different gears, for a motor vehicle, wherein the motor vehicle comprises an electric machine which is connected to the input of a tra...  
WO/2017/187128A2
A method for controlling an electric motor having a rotor, the method being carried out after a shut down of the motor has been initiated, the method comprising: starting a timer in a motor controller; performing regenerative braking to ...  
WO/2017/187128A3
A method for controlling an electric motor having a rotor, the method being carried out after a shut down of the motor has been initiated, the method comprising: starting a timer in a motor controller; performing regenerative braking to ...  
WO/2017/174209A1
The invention relates to a drive, having an electric motor supplied with power by a converter, and a method for operating a drive, wherein the converter comprises an inverter having a DC voltage-side connection and an AC voltage-side con...  
WO/2017/174957A3
Methods and control apparatus for operating a three-phase electric motor are described, in which the motor windings are switched between Star and Delta connections depending on torque requirements, and in which the motor windings are swi...  
WO/2017/174957A2
Methods and control apparatus for operating a three-phase electric motor are described, in which the motor windings are switched between Star and Delta connections depending on torque requirements, and in which the motor windings are swi...  
WO/2017/167864A1
The invention relates to an electronic control device (13) for a refrigerant compressor, comprising at least: a drive unit (18); and a compression mechanism (5) which is actively connected to the drive unit (18), with at least one piston...  
WO/2017/164022A1
This brake device for an AC generator is capable of slow and fast control, and functions normally even when the control unit has been lost. This brake device is provided with: a triac TR that has a first terminal connected to one and a s...  
WO/2017/131485A1
The present invention relates to a laundry processing apparatus and a control method thereof. A laundry processing apparatus operated by means of a motor, which has a plurality of washing units for performing washing independently of eac...  
WO/2017/127720A1
A control circuit configured to control an electromechanical brake is provided. The control circuit includes: a switching regulator configured to control a magnitude of voltage applied to a brake coil of the electromechanical brake; wher...  
WO/2017/114616A1
The invention relates to a vehicle having a brake device (21; 21') which comprises at least a friction brake unit (22; 22'), an electrical brake unit (24; 24') and a brake control device (26; 26'). In order to provide a vehicle having a ...  
WO/2017/107467A1
An accurate motor control apparatus, comprises a signal feedback component (100), a sensor (200), and a processor in communication with a motor (400) and the sensor (200) respectively; an output shaft of the motor (400) drives the signal...  
WO/2017/100273A1
An apparatus according to one embodiment includes a door closer having a pinion adapted to be operably coupled to a door and rotate in a first direction in response to opening the door and to rotate in a second direction in response to c...  
WO/2017/094823A1
An electrically powered taxiing system for an aircraft (1), said system being provided with: wheels (5a, 7a) of the aircraft (1); taxiing motors (5b, 7b) that, when the aircraft (1) lands, apply a braking force to the wheels (5a, 7a) on ...  
WO/2017/089549A1
The invention relates to a switching device (190) for switching on or off an electrical load (260). The switching device (190) has an internal energy store (280) which, when the supply voltage is switched off, can directly discharge the ...  
WO/2017/084789A1
The invention relates to an electrical drive (100) for an industrial robot, wherein each driver circuit (O1, O3, O5) for the associated power switches (T1, T3, T5) of the first half-bridge (11) is designed, in the case of a voltage-free ...  
WO/2017/086041A1
Provided is a semiconductor device wherein, without incurring a high cost, a brake circuit protection function is rendered inoperable even when an alarm is output in an inverter circuit. This semiconductor device contains inverter circui...  
WO/2017/070403A1
There are presented various embodiments disclosed in this application, including methods and systems of arranging permanent magnets to switch from a first configuration designed for a first torque output to a second configuration designe...  
WO/2017/068821A1
Provided is a power conversion device in which, when a power-source disturbance occurs, an inverter maintains the direct-current voltage, and operation of the device is continued with the motor in an excited state, while an overcurrent/o...  
WO/2017/056863A1
An electric compressor 11 is provided with: a compression section 111 that compresses a suctioned low-pressure refrigerant and discharges a high-pressure refrigerant; an electric motor 112 that drives the compression section 111 on the b...  
WO/2017/055180A1
The invention relates to a joint device (10), comprising an electric motor (16), an electrically controllable blocking apparatus (18), various control apparatuses, and a brake system, in the case of which brake system, in various alterna...  
WO/2017/051517A1
This motor control device is provided with: a rotation control unit that controls rotating operation of a motor; a PWM generation unit that generates a PWM signal; drive circuits that output a drive pulse signal corresponding to the PWM ...  
WO/2017/050670A1
Method and driveline used for stabilization of an electrical grid. The driveline for electricity generation comprises controllable power unit. Especially a gas motor or a gas turbine can be used as power unit. Further the driveline compr...  
WO/2017/043787A1
The present invention relates to a power generation or regenerative braking apparatus which comprises: an induction generator; and a synchronous generator connected in parallel to the induction generator while being connected to the indu...  
WO/2017/041956A1
The invention relates to an actuation circuit (140) for an inverter (103). The inverter (103) is designed to convert a direct current with a first voltage (111) from an electric energy storage device (101) into an alternating current wit...  
WO/2017/038578A1
This fan device comprises an electric rotating body drive circuit provided with a circuit unit which generates a drive signal for an electric rotating body, an output stage provided with an upper-stage side MOSFET and a lower-stage side ...  

Matches 1 - 50 out of 13,338