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WO/2014/169173A1 |
An architectural covering is provided. The architectural covering includes: shade material; the shade material operatively connected to a motor unit such that movement of the motor unit causes movement of the shade material; the motor un...
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WO/2014/153915A1 |
A drive circuit of an electric curtain body and an electric curtain body. The drive circuit of the electric curtain body comprises a motor, a switching module used for controlling an operating state of the motor, and a power supplying mo...
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WO/2014/133026A1 |
A speed-sensorless motor starting device (100) for starting a motor, provided with: a modular multilevel cascade inverter (1) of the double star chopper cell type; a current-command-value generation means (31) for generating a current co...
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WO/2014/128110A1 |
Embodiments of the invention are based on the idea of providing one type of motor that safely can be adapted to be connected to different voltage according to the mains supply present. By providing a motor comprising windings arranged to...
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WO/2014/121423A1 |
Disclosed in the present invention is a double-pack lithium electric lawn mower comprising a DC motor for driving a cutting blade, wherein the DC motor is connected with a control system, and the control system is connected with a power ...
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WO/2014/105774A1 |
A load control device includes an input and an output connectable to an AC source and an AC load, respectively, with one or more supply lines each corresponding to a phase in the load connecting the input and output. Line-side switches a...
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WO/2014/095236A2 |
The invention relates to a method for electrically connecting a converter (14) to an electrical machine (6) supplied with current by the converter (14), in which method a separate electrical connection (22) between the converter (14) and...
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WO/2014/090355A2 |
The invention relates to a compressor (400') for producing compressed air, in particular for a compressed air supply system (1000) of a vehicle, comprising an electric motor (500) in the form of a brushed direct current electric motor (B...
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WO/2014/091405A1 |
A method of synchronizing a synchronous reluctance electric machine wherein the machine has no speed and/or residual magnetization voltage sensor and comprises power terminals and rotating masses whose mechanical rotation frequency (fΜ)...
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WO/2014/075742A1 |
The invention relates to a switching device (1) with a control apparatus (2), a supply connection (7), a power supply (19) and a first flow path of current (15), wherein the supply connection (7) is connected to the power supply (19) and...
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WO/2014/077967A1 |
Apparatus and method for reducing current drain and current spike impact on a dispenser electric motor by employing a series of supercapacitors in a power supply current to provide at least a portion of the energy requirement of the disp...
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WO/2014/075743A1 |
The invention relates to a switching device (1) with a control apparatus (2), a supply connection (7), a power supply (19) and a first flow path of current (15) which comprises a first electromechanical switch (11) and a parallel circuit...
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WO/2014/067752A2 |
The invention relates to a method for operating a device for feeding an asynchronous machine (1), wherein the asynchronous machine (1) has a stator (3) comprising stator windings and a rotor (4) comprising rotor windings (5) and the devi...
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WO/2014/063722A1 |
A method for controlling circuitry (14) of a softstarter arrangement (11) to operate an electric motor (12) for driving a pump is provided, wherein the softstarter circuitry electrically connects the motor to electric mains. The method c...
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WO/2014/032718A1 |
The invention relates to a switchgear (1) which comprises a control unit (2), a supply connection (7) and a first current path (15), the first current path (15) comprising a first electromechanical switch (11) and, connected in series to...
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WO/2014/029614A2 |
The invention relates to a motor starter (1) having a control unit (2) and a first current path, via which energy can be supplied to a downstream electrical motor (5), wherein the first current path comprises a semiconductor switch (12) ...
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WO/2014/019128A1 |
The present invention relates to a method for staring a permanent magnet synchronous motor, and comprises: a speed detection unit detecting a state of the motor when being started; if the motor is in a stationary state when being started...
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WO/2014/003223A1 |
The present invention relates to a PWM control apparatus for the sequential start-up of a motor, in which a motor is started and driven while limiting the starting current, and in which abnormal operations of a device are detected and th...
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WO/2014/002103A1 |
The invention is connected with single phase motor for start up. The shaft of the motor is connect to three inch chain notch, which is interconnected with the four inch chain notch, which is mounted on the counter shaft; so counter shaft...
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WO/2014/004158A1 |
A system for measuring soft starter current includes a current monitoring system including a controller and a current transfer device that includes a first thyristor and a first conductor coupled to the first thyristor and configured to ...
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WO/2013/187640A1 |
A motor starter system and a method for operating same are disclosed. According to an embodiment of the present invention, reliability of a motor protection function during an overcurrent is improved by automatically controlling the on/o...
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WO/2013/169499A1 |
A variable flux electric starter motor includes a frame, an armature rotatably mounted within the frame, and a primary field mounted to the frame. The primary field includes a plurality of primary windings electrically connected one to a...
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WO/2013/165100A1 |
A double wound rotor type motor with a constant alternating current or direct current power supply input and a control method thereof is disclosed. The wound rotor type motor includes: a stator in which a coil directly connected to a sin...
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WO/2013/159557A1 |
A solid-state relay (10) for running direction control of a three-phase alternating current motor and a method thereof. The relay (10) comprises a driver module (14), a power assembly module (15), a phase sequence detection module (122),...
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WO/2013/159169A2 |
The present invention refers to a start and run device for single phase motors, more specifically to be applied in refrigeration motors with CSR-type (Capacitor Start and Run, also known as CSCR Capacitor Start Capacitor Run) and RSCR-ty...
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WO/2013/155725A1 |
A lithium battery mower includes a motor driving a cutting blade. The motor is connected with a control system, and the control system is connected with a power. The motor is a direct current (DC) motor, the power is a lithium battery pa...
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WO/2013/158849A2 |
Systems and methods for estimating an inertia and a friction coefficient for a controlled mechanical system are provided. In one or more embodiments, an inertia estimator can generate a torque command signal that varies continuously over...
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WO/2013/155027A1 |
A starter system for an auxiliary power unit (APU) includes a starter motor operably connectable to the APU. A clutch is arranged to operably connect the starter motor to the APU when engaged. A torque limiting control unit is disposed a...
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WO/2013/132182A1 |
The invention relates to a method performed in a power bridge (3) comprising multiple arms (B1, B2, Bi, Bn). Each arm comprises upper and lower semiconductor switches arranged in series and connected in parallel to first and second termi...
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WO/2013/132173A1 |
The invention relates to a method for limiting an inrush current, which is implemented in an electrical power circuit (1) of a motor vehicle starter (15). The starter includes an electromagnetic contactor (12) and an electric motor (7) c...
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WO/2013/132105A2 |
The invention relates to a pump-storage power plant, particularly an electric unit (1), for this purpose comprising a rotating electric synchronous machine (2) and a frequency converter (3) as well as a method for operating the electric ...
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WO/2013/134161A1 |
An energy-saving device utilizing starting, running and power factor capacitors to operate at least one induction motor where the required input energy is significantly less than the generated output current. The capacitor configuration ...
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WO/2013/128476A2 |
Embodiments herein disclose a method and a single phase motor for using Pulse Width Modulation (PWM), the method comprising applying a modulating wave to each arm of a drive of the single phase motor, wherein a second modulating wave lea...
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WO/2013/130110A1 |
According to one aspect, embodiments of the invention provide a power supply system comprising an input line configured to receive input AC power, a first capacitor coupled to the input line, a second capacitor, a controller, a rectifier...
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WO/2012/037624A9 |
The present invention relates to a method, a system and an electronic device (15), especially designed for start and control of the functioning of a single-phase induction motor (12). Said motor (12) comprises a run winding (10) and a st...
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WO/2013/093343A2 |
The device according to the invention (DMT) is arranged to provide an additional voltage, when the heat engine starts up, for the electrical power supply of the rotating electrical machine (AD). This additional voltage is added to a rate...
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WO/2013/094783A1 |
The present invention relates to a lifting and lowering controller used in an apparatus, such as a hoist or an automatic door, which is lifted or lowered in the direction of rotation of a motor being controlled. According to the present ...
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WO/2013/067722A1 |
A control device for high-current equipment, including a first temperature sensor for detecting the ambient temperature of high-current equipment and sending same to a microcontroller; a second temperature sensor for detecting the temper...
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WO/2013/070658A2 |
The present disclosure is directed to a modulation scheme for driving a piezo element. In one embodiment, a device may comprise, for example, a piezo element, voltage rails and bridge circuitry. The bridge circuitry may be coupled betwee...
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WO/2013/060575A2 |
A synchronous electrical motor comprises a rotor with a DC field winding (13).An exciter (16) is configured to energize the DC field winding (13) by generating a DC current in a first direction across the DC field winding (13) when activ...
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WO/2013/050245A2 |
The invention relates to a method for operating a separately excited electric machine (100), in particular a generator of a motor vehicle, wherein an exciting current having a nominal amperage (N) is applied to an exciter winding (4) of ...
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WO/2013/041416A1 |
The present invention relates to a method of controlling power to an electric machine (10) and a controller device for performing such method. At least one semiconductor switch (41) is provided per phase (31, 32, 33) of a machine AC powe...
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WO/2013/038094A2 |
The method of controlling the controlled switch (10) operates the power supply of an electric motor from an AC voltage source (2). The method comprises a step of actuating the closure of the controlled switch the instant of actuation of ...
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WO/2013/028270A1 |
Systems and methods for providing Safe Torque Off signals using communication wires used for control signaling. Single channel Safe Torque Off signals can be provided as a DC voltage or AC voltage across two sets of twisted pair wires. A...
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WO/2013/014356A2 |
The starter circuit according to the invention comprises a combination of a starter and of a device (LPF) for raising the battery voltage. The battery voltage raising device is intended to prevent a drop in battery voltage caused by a cu...
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WO/2013/014352A1 |
The invention relates to a starter circuit that comprises a combination of a starter and a device for stepping up the battery voltage. The device for stepping up the battery voltage makes it possible to prevent a drop in the battery volt...
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WO/2013/013186A1 |
A system and method for optimizing current filtering in a motor soft starter is disclosed. A motor soft starter includes a circuit having an input connectable to an AC source and an output connectable to an input terminal of an AC motor,...
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WO/2013/010561A1 |
Disclosed is Drive control unit (320) for a motor (345) of an ambulatory infusion device (100), the drive control unit (320) being designed to power the motor (345) for forward operation in a forward direction and to alternatively power ...
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WO/2013/002951A1 |
Systems and methods for providing variable-frequency soft start of an AC load (118) are disclosed. In one exemplary embodiment, a method (1100) for starting an alternating current (AC) load (118) with a variable- frequency AC power outpu...
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WO/2012/149696A1 |
Disclosed is a centrifugal switch actuating mechanism, which includes a terminal box (101), a box lid, a first stationary and movable contact blades set (103), a second stationary and movable contact blades set (104), an external swing a...
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