Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 13,472

Document Document Title
WO/2019/154567A1
The invention relates to a brake device for an electric motor (12), which has at least one armature winding (14) and at least one field winding (16), comprising at least one open-loop and/or closed-loop control unit (18) at least for ope...  
WO/2019/149416A1
The invention relates to a device for protecting at least one consumer in an on-board power supply, particularly of a motor vehicle, comprising at least one switching means (32) for supplying at least one consumer (22, 26, 28, 46) with e...  
WO/2019/150793A1
The present invention quickly stops rotation of an electric compressor while preventing damage to a switching element. An electric compressor 1 comprises a motor drive circuit 52 having a plurality of switching elements IGBT Q1 to Q6, a ...  
WO/2019/137865A1
The invention relates to a brake device for an electric motor (12) comprising at least one first switch unit (14), which has at least two switch element (16, 18, 20), and at least one second switch unit (22), which has at least two switc...  
WO/2019/138006A1
The invention relates to a method for controlling a multi-phase motor by means of a control circuit, in which the control circuit comprises a plurality of transistors, and a first path and a second path are provided for each phase of the...  
WO/2019/137818A1
The invention discloses an electrically driven tool having an electric motor for directly or indirectly driving a tool holder and tool inserted in the tool holder, at least one actuator for braking the tool holder, an energy store or a c...  
WO/2019/136492A1
Systems and methods are disclosed for adaptive regeneration systems for electric vehicles. In one embodiment, an example method may include determining, by an adaptive regeneration system, that an electric vehicle is decelerating, determ...  
WO/2019/136130A1
A power tool including a three-phase DC motor, a power switching network, a power source, and an electronic processor. A first phase of the motor is connected between a first high side electronic switch and a first low side electronic sw...  
WO/2019/131331A1
This shift range control device (40) switches a shift range by controlling the driving of a motor (10). An angle calculation unit (51) calculates a motor angle that is a rotation angle of the motor (10) on the basis of a detected value d...  
WO/2019/122224A1
The invention describes an electromechanical system for transferring rotational energy, torque and power in a powertrain, to which a first, a second and a third machine for energy conversion (2, 3, 4) are coupled, and a superimposed gear...  
WO/2019/121917A1
Control unit (17) for controlling an inverter (3) with a DC link capacitor (6), with a plurality of output phases (20) and with a plurality of switching elements (13, 14) being arranged in half bridges (10) and being connected to the DC ...  
WO/2019/116551A1
This motor drive system (5) is provided with a plurality of inverter devices (3a)-(3n) connected in parallel with each other to a DC bus line (2). The inverter devices (3) are each provided with: a power conversion circuit (31) for conve...  
WO/2019/107872A1
A home appliance having a motor according to the present invention comprises: an inverter unit; and an inverter control unit for controlling a switching operation of the inverter unit, wherein the inverter control unit generates a brakin...  
WO/2019/107871A1
In order to achieve a solution to a technical problem to be solved by the present invention, a motor drive apparatus according to the present invention comprises: a DC-side capacitor charged with direct current power; an inverter unit co...  
WO/2019/097268A1
The invention is a control method for a centrifuge, wherein a motor (10) of the centrifuge is driven by a motor drive unit (15) and a control signal determining a desired motion of the centrifuge is supplied to the motor drive unit (15),...  
WO/2019/081227A1
The invention relates to an electrical control system for an electric motor of a robot, which comprises a rectifier circuit, a DC voltage intermediate circuit and a multichannel inverter module. A first inverter circuit of the inverter m...  
WO/2019/078045A1
The present invention obtains a motor drive device having a long life. The motor drive device (11) is provided with a motor drive circuit (3) for supplying AC current to a motor (2) and a dynamic brake circuit (4). The dynamic brake circ...  
WO/2019/075193A1
Provided is a system for reducing velocity of a conveyance. The system may include a conveyance. A first member of a linear motor may be attached to the conveyance. A second member of the linear motor may include stator coils. The second...  
WO/2019/069363A1
A motor control device according to the present invention drive-controls a plurality of motors connected in parallel with each other, wherein the motor control device comprises: a power conversion device for converting electric power fro...  
WO/2019/065882A1
According to the present invention, when a dynamo-electric machine (80) is in a state of rotation while a contactor (9) is in an open state, an inverter (10) is controlled so as to suitably stop the operation of the inverter (10). An inv...  
WO/2019/060644A1
Systems and methods are provided for braking a translator of a linear multiphase electromagnetic machine. The system detects a fault event, and in response to detecting the fault event, causes the translator to brake using an electromagn...  
WO/2019/057637A1
The invention relates to a machine tool device (12) for a machine tool (10), in particular a portable machine tool (10), having at least one coupling unit (18) for coupling a machining tool (14) and at least one drive unit (16) for drivi...  
WO/2019/057309A1
The invention relates to a method (100) for breaking an electric motor (15) from an active operating state (10) which electric motor (15) is associated with a switching device (60). The method (100) comprises a step (110) in which at lea...  
WO/2019/049683A1
[Problem] To provide a vacuum pump that avoids overvoltage and safely shifts to a regeneration mode, and a motor control device. [Solution] A turbomolecular pump 1 is provided with: a power source unit 4 that converts AC power, acquired ...  
WO/2019/042936A1
The aim of the invention is to provide a method for electrically controlling a motor comprising multiple winding strands, wherein the EM compatibility is improved and simultaneously the running behavior of the motor is kept constant. Thi...  
WO/2019/037823A1
A linear actuator (1) comprises a spindle nut arranged to be moved between two end positions on a spindle driven by a DC motor (2). An end stop switch (31) is arranged to be activated when the spindle nut is in an end position. In its ac...  
WO/2019/039052A1
The motor drive control device (1) according to an embodiment is provided with: a motor drive unit (10) which selectively energizes three-phase coils (Lu, Lv, Lw) of a motor (3); a motor control unit (20) which outputs a drive control si...  
WO/2019/034287A1
Drive having a synchronous motor and a converter, wherein the motor phases of the synchronous motor, that is to say in particular the three supply connections of the rotating field winding of the stator of the synchronous motor, can be s...  
WO/2019/021128A1
The invention relates to a load dump for example for connection to a dynamic brake resistor and is especially useful when several motor drives and motors are operating together, are interconnected in one system. A load dump for connectio...  
WO/2019/020980A1
A method of controlling an induction motor, an apparatus and a computer program product are disclosed. The method comprises: in response to an indication that a rotational frequency of the rotor is to be reduced from an initial operating...  
WO/2019/016050A1
The invention relates to an instrumentation and control method (100) for a rotating electrical machine (1), in particular for a motor vehicle, said rotating machine (1) comprising a voltage regulator (11), said method comprising a step o...  
WO/2019/013107A1
This shift range control device switches a shift range by controlling the driving of an electric motor (10). An angle calculation unit (51) acquires an electric motor rotational angle signal outputted from an electric motor rotational an...  
WO/2019/009644A1
The present invention relates to a motor drive apparatus and, more particularly, to a motor drive apparatus capable of immediately restarting by maintaining sensorless control during a stop operation of a motor. The motor drive apparatus...  
WO/2018/220354A1
A controller for an electric motor system including a three phase bridge inverter having a plurality of high side switches and a plurality of low side switches, the controller comprising means arranged upon detection of a fault in one of...  
WO/2018/220798A1
In order to more reliably stop a motor in an emergency and maintain a healthy state, the motor control device (1) according to the present invention is provided with: a power supply unit (5) for supplying current to a motor (2); a curren...  
WO/2018/215472A1
The invention relates to a method and to a device for controlling the operation of a drive train of a system, in particular a power generation system, having a rotor (1), having an electric machine (8) connected to a network (10), and ha...  
WO/2018/193881A1
The motor driving device 1 according to one embodiment of the present invention drives a motor 10 including three-phase coil portions 11A-11C and is provided with a drive circuit 20 and a switch circuit 30. The drive circuit 20 has three...  
WO/2018/190284A1
A shift range control device (35) that is applied to a shift range switching mechanism (12), which includes a rotation member (16) having multiple recesses and an engagement member (17) for engaging with any of the recesses and thereby f...  
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...  

Matches 1 - 50 out of 13,472