Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 13,264

Document Document Title
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 ...  
WO/2017/035534A1
A method (400) of regenerative braking includes providing (401) an electric motor including at least one stator and a rotor, a speed of the rotor, a motor controller that regulates a current level in the stator winding, a power inverter ...  
WO/2017/030407A1
The present invention relates to a motor drive apparatus and a home appliance having the same. A motor drive apparatus, according to an embodiment of the present invention, comprises: a DC terminal capacitor for storing a DC power source...  
WO/2017/017214A1
A braking energy recovery system (50) for an electric motor (62) comprises first regulator (52), energy storage device (54), second regulator (56), sensor (60), and controller (58). The first regulator (52) outputs a DC link voltage to t...  
WO2017008128A1
A bandsaw including: a bandsaw blade; an AC electric motor driving the bandsaw blade via a coupling; a hazard detector which produces a hazard detection signal when a hazardous situation is detected; and a control circuit which drives th...  
WO/2017/006485A1
A motor control devivce is equipped with: a converter circuit unit (11); a DC circuit unit (12); an inverter circuit unit (13); a bus line voltage detection unit (14); a frequency command generation unit (16) that outputs a frequency com...  
WO/2016/198196A1
This invention relates to a linear type actuator unit, said actuator unit (100), including an electric motor (1) driving a linear actuator (2) of, said motor (1) having a casing (11), a stator (14,15) fixed to the casing, a rotor (13) fi...  
WO/2016/193559A1
The invention relates to a system for dissipating (10) regenerated electric energy produced by an electric actuator (1) of an aircraft, the dissipating system (10) including: a resistor (R); two switching arms (12, 13), each switching ar...  
WO/2016/189671A1
This motor control device is for controlling a motor having variable-magnetic-force permanent magnets, and includes: a control part for controlling the operation of an inverter that supplies alternating-current power to a motor; and a st...  
WO/2016/185099A1
The invention relates to a method for utilizing waste energy. According to the invention, waste energy produced during braking of at least one drive motor which is part of a paperboard product manufacturing line is recovered and used for...  
WO/2016/147007A1
A motor arrangement comprising: motor having a rotor, a stator, and a plurality of windings mounted on one of the rotor and the stator for acting on the other of the rotor and the stator, and a plurality of inputs coupled to the windings...  
WO/2016/136815A1
Provided is an electric power system capable of rapidly slowing an electric motor and quickly discharging a capacitor when an abnormality occurs. If an abnormality detection device (30) detects an abnormality, a control device (34) of an...  
WO/2016/137817A1
A dynamic arresting mechanism for preventing injury from the torqueing of a rotating tool body. The mechanism including an inertia switch to automatically detect the rotation of the tool body and selectively initiate a dynamic arresting ...  
WO/2016/121632A1
While a path between a DC power supply (1) and a smoothing capacitor (2) is in a shut-off state in regenerative control of an inverter circuit (30), a control circuit (40) of a power conversion device (100) carries out control by switchi...  
WO/2016/120457A1
The present disclosure relates to a motor drive unit (1) configured to operate a tap changer of an electromagnetic induction device. The motor drive unit (l) comprises an induction motor (M), a tap changer drive mechanism (5) arranged to...  
WO/2016/113031A1
The invention relates to a mechanical drive (1) for actuating a moveable wing (5), comprising with an electric motor (22), the motor shaft thereof (24) being operatively connected to the wing (5) by means of a force transmission device, ...  
WO/2016/113012A1
The invention relates to a braking element for a moveable door leaf comprising an electric motor (22) driven as a generator, the motor shaft thereof can be rotated by moving the door leaf and a movement-dependent motor voltage (U(t)) whi...  
WO/2016/110927A1
A drive control system is provided with a hydraulic motor, a hydraulic oil supply device, an electric motor, an electricity storage unit, a drive device, and a control device. The drive device allows the electricity storage unit to suppl...  
WO/2016/106709A1
A method for braking a motor, comprising the steps of: operating the motor such that coils in the motor are energized when the motor operates; terminating operation of the motor so as to allow the motor to return to rest; characterized i...  
WO/2016/107707A1
The invention relates to a method for reliably controlling a braking torque of a drive system (1). In order to be able to reliably control the braking torque, it is proposed that the drive system (1) has a synchronous machine (2) and a c...  

Matches 1 - 50 out of 13,264