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Patent Searching and Data


Matches 251 - 300 out of 22,564

Document Document Title
WO/2012/112468A2
In a method of controlling speed of a brushless, direct current (BLDC) motor based on dwell, an indication of a desired speed of the BLDC motor is received. A dwell is determined based on a magnitude of a voltage corresponding to the ind...  
WO/2012/107147A1
The invention relates to a system for charging at least one energy storing cell (5) in a controllable energy store (2) that is used to control and supply electric energy to an n-phase electric machine (1), wherein n ≥ 1. The controllab...  
WO/2011/069869A3
The invention relates to an electric motor having a stator and a rotor. The electric motor also comprises a controller, wherein the controller is connected to the stator and/or rotor, and is designed for applying current to the stator an...  
WO/2012/107127A1
The invention relates to an energy storage device (2) comprising at least one first energy supply branch (2a, 2b, 2c) which is designed to supply a separately excited electrical machine (1) with energy via a first connection (3a, 3b, 3c)...  
WO/2012/095367A1
The invention relates, inter alia, to a device (4) for controlling a switch drive (M) of an electric switch with a control apparatus (10), which is suitable for evaluating an input signal, which is present at a binary input (6a, 6b, 6c) ...  
WO/2012/069159A3
The invention relates to a drive arrangement in a motor vehicle, wherein a first drive (2), a second drive (3) and a third drive (5) are provided, wherein the drives (2, 3, 5) each have two supply connections (2a, 2b, 3a, 3b, 5a, 5b), an...  
WO/2012/087373A1
An exemplary device for controlling movement of an elevator door includes a base configured to be secured in a fixed position on an elevator car. A motor is supported by the base. The motor has a shaft that rotates responsive to operatio...  
WO/2012/078598A2
In one embodiment, a system for reducing component noise in a motor in a automobile includes a first gate driver and a second gate driver, a high side FET; a low side FET; a charge pump circuit; a high frequency reduction component; and ...  
WO/2012/076478A1
The present invention relates to a monitoring method and system for monitoring an electric motor (3), comprising: - modelling means (5) for modelling a circle diagram on the basis of the strengths of the current of said electric motor, -...  
WO/2012/038044A3
The invention relates to a drive device for driving the adjustment movement of two vehicle parts relative to one another, having an electric motor which has two motor terminals and which takes up a motor current during operation, and a c...  
WO/2012/064202A1
An electronically commutated motor is programmed by applying a low frequency mains supply (303) to trigger the motor into programming mode (304) and then applying configuration data (306) to the motor by yet further frequency variations....  
WO/2012/060287A1
A load driving apparatus (100) comprises: a first terminal (LDOF) and a second terminal (LDOR) on to which a load is to be connected; and a driver (103) for controlling each of the terminal voltages of the first terminal (LDOF) and the s...  
WO/2012/060521A1
A voice coil motor (VCM) is disclosed, the VCM including: a stator including a magnet generating a first electromagnetic field; a mover including a bobbin formed with a hollow hole through which light passes and a coil formed on a periph...  
WO/2012/053310A1
[Problem] To provide a motor drive device that can readily protect a motor when the motor is locked. [Solution] A motor drive unit (890) with an input port (891a) to which a reference voltage (Vs) is input and comprising: a motor driver ...  
WO/2011/086946A3
An electric operating machine comprising a motor and a power circuit driving the motor by the electric power supplied from a battery. The power circuit comprises a voltage conversion part converting an input voltage entered in accordance...  
WO/2011/131284A3
The invention relates to a method for processing at least one motor variable (Ia, Um) of a DC motor (2) of an actuating device (1) for a motor vehicle, said DC motor being supplied by an on-board system DC voltage (UB), in which the arma...  
WO/2011/086945A3
The power circuit comprises a voltage conversion part converting an input voltage entered in accordance with a voltage of a power source to generate an output voltage and outputting the generated output voltage to the motor and a current...  
WO/2012/047886A2
An electric motor for propelling a vehicle includes a stator; a rotor that rotates with respect to the stator; a magnet located on the stator or the rotor; a first winding segment and a second winding segment located on the other of the ...  
WO/2012/045506A1
The invention relates to a method and a circuit assembly for operating an electrical machine. The method is carried out in particular in a start phase, wherein a current is limited by a controllable resistor, the controllable resistor is...  
WO/2012/044182A1
A method of controlling at least one motor in a motorised mobility vehicle, wherein the motor is part of a drive circuit for mobilising the mobility vehicle, the method comprising the steps of: utilising a stored profile of a motor perfo...  
WO/2012/028406A2
The invention relates to a circuit assembly for the pulse width modulated actuation of an electric motor. The circuit assembly has at least one transistor half bridge comprising a semiconductor switch, in particular an N-MOS transistor, ...  
WO/2012/023121A2
An electrical appliance with a resonant motor (10) for driving a vibratory component is provided that has a control unit for driving the resonant motor (10) with a predetermined driving frequency and for measuring at a predetermined time...  
WO/2012/023120A2
The present disclosure proposes a resonant motor unit that has a resonant motor, a control unit for driving the resonant motor at a driving frequency, for short-circuiting the resonant motor during at least a first short-circuiting phase...  
WO/2012/019669A2
The invention relates to an electronically commutated motor (20) comprising a first connection (46) for connecting to a positive pole of a direct-voltage source (47) and a second connection (50) for connecting to a negative pole (50) of ...  
WO/2012/020714A1
Provided is a motor control apparatus wherein a robot can be made to move appropriately even when a momentary voltage drop occurs, without stopping a motor that makes the robot move. The motor control apparatus (101), which controls a mo...  
WO/2011/057629A3
The invention relates to an assembly for actuating an actuator that can be moved between a first end position and a second end position, comprising a direct-current motor and a gear train for moving the actuator. An end position sensor d...  
WO/2011/119653A3
A modular drive brushless DC motor is disclosed. In one embodiment, a modular drive brushless DC motor includes a rotor having permanent magnets disposed on the inner surface of the rotor, and a plurality of stators mounted on a stator s...  
WO/2011/031267A4
A system and method for efficiently regulating the fuel consumption of a variable speed combustion engine used to control loads such as a hoist motor in a mobile gantry crane based on load motor speed commands issued by a crane operator....  
WO/2011/026772A3
The invention relates to a device for controlling an electric motor with a pulsed control signal, especially with a pulsed voltage signal or a pulsed current signal, said device comprising a switching element (105) for converting a const...  
WO/2011/143863A1
A stepping speed-regulating control device for a DC motor. The control device includes a motor (4). An output shaft (5) of the motor is connected to a grating (6) for cutting an optical coupler (7). The output terminal of the optical cou...  
WO/2011/141607A1
The invention relates to an electric driver circuit for supplying power to a power consuming device, said circuit comprising: a control unit for producing outgoing control signals; a control unit for receiving the input voltage from a po...  
WO/2011/036151A3
The invention relates to a motor system (1), particularly for an electrical locking device in a motor vehicle, comprising: - - a DC motor (2); an actuating circuit (4) comprising a power semiconductor switch (5) and implemented for provi...  
WO/2011/031267A3
A system and method for efficiently regulating the fuel consumption of a variable speed combustion engine used to control loads such as a hoist motor in a mobile gantry crane based on load motor speed commands issued by a crane operator....  
WO/2011/128107A1
The invention relates to a method for controlling the position and/or speed of an appliance which can be moved by means of an electric motor (1) along a prescribed path. The control is performed continuously such that the selection of a ...  
WO/2011/117278A1
The invention relates to a method for operating a ship drive motor (2) fed by at least one pulse width modulated inverter (3), wherein circuit elements (5) of the pulse inverter (3) are switched at a changeable switching frequency, where...  
WO/2011/116586A1
A discharging circuit for controlling the speed of a brushed DC tubular motor and a control circuit thereof. The control circuit includes the brushed DC tubular motor, a sampling circuit, an amplifying circuit, a voltage following circui...  
WO/2011/119653A2
A modular drive brushless DC motor is disclosed. In one embodiment, a modular drive brushless DC motor includes a rotor having permanent magnets disposed on the inner surface of the rotor, and a plurality of stators mounted on a stator s...  
WO/2010/072435A3
The invention relates to an apparatus for supplying electrical power to an electric motor, having a first controllable switching arrangement (101), which is designed to provide a first current path to the power supply in a first switchin...  
WO/2010/060671A3
The invention relates to a method for controlling an electric motor (M), especially in a fan, by means of a control variable (PWM). Said method comprises the following steps: a manipulated variable (TV) having a time curve ((ΔTV/Δt)Sol...  
WO/2010/015461A3
The invention relates to a device (12) comprising an electric machine (16), a voltage detection device, and an analysis device. A fixed or movable part of the electric machine (16) has a field winding (F1) to which a first electric volta...  
WO/2011/105468A1
Provided is a motor drive apparatus that can detect malfunctioning of a switching element, in addition to malfunctioning of an electric motor. The motor drive apparatus evaluates whether or not an electric motor (2) or a switching elemen...  
WO/2011/102955A1
A test controller and method to operate a rotary motor of a pump are provided. The test controller includes a test speed circuit electrically coupled to, but detachable from, the pump and being configured to apply at least one signal to ...  
WO/2011/095013A1
A speed setting controller for a DC motor is provided. An inductor (La, Lb, Lc) is connected in series between a switching tube (T1, T3, T5) of the speed setting controller and the DC motor. When a winding of the DC motor is powered on t...  
WO/2011/095719A1
The invention relates to a method for controlling a power switch that is connected in series between a terminal of an electric motor and a terminal of a battery supplying power to said motor. Said method comprises a phase (50) for limiti...  
WO/2011/086946A2
An electric operating machine comprising a motor and a power circuit driving the motor by the electric power supplied from a battery. The power circuit comprises a voltage conversion part converting an input voltage entered in accordance...  
WO/2011/086945A2
The power circuit comprises a voltage conversion part converting an input voltage entered in accordance with a voltage of a power source to generate an output voltage and outputting the generated output voltage to the motor and a current...  
WO/2011/073127A1
The present invention relates to a motor control card (1) used for controlling the brushless direct current (BLDC) motors, having a three-phase inverter (3) which transforms direct current received from the AC-DC converter (2) to three p...  
WO/2011/069869A2
The invention relates to an electric motor having a stator and a rotor. The electric motor also comprises a controller, wherein the controller is connected to the stator and/or rotor, and is designed for applying current to the stator an...  
WO/2011/067337A1
The invention relates to operating an electric motor (12), wherein a motor actuating signal (W) is generated and transmitted to the motor (12). According to the invention, in order to reduce the noise (Pv) generated by operating the moto...  
WO/2011/064030A1
The invention relates to an apparatus for determination of the motor current (IMotor) through a direct-current motor (2) in a motor system (1), comprising: - a voltage controller (3) which cyclically applies a supply voltage to the direc...  

Matches 251 - 300 out of 22,564