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Matches 701 - 750 out of 11,434

Document Document Title
WO2001089073A3
A method is provided for controlling the starting of an AC induction motor (12) with a soft starter (14). The windings (20a-20c) are connected in a delta configuration and each winding has a corresponding thyristor switch (22a-22c) conne...  
WO2001089074A3
A method is provided for controlling a three-phase, AC induction motor (12). Each phase of the AC induction motor (12) is connected to an AC input source (18) by a thyristor switch (22a-22c) and a bypass contactor (24a-24c) connected in ...  
WO2001061835A3
The aim of the invention is to improve a method for controlling an electric driving motor (10) of an adjusting device pertaining to a motor vehicle by means of a variable voltage that is applied to said motor and in such a way that an EM...  
WO/2002/009264A1
An electronic circuit for starting a single phase induction motor, of the type containing a rotor and a stator with at least one running coil (B1) and one starting coil (B2), for operating jointly with an alternating current source (F), ...  
WO/2001/097364A1
In a method for starting an electric motor, which is operated by alternating current and which has a stator (1) with a main winding (H) and a first auxiliary winding (AUX1) and a rotor with permanent magnets and at least one short-circui...  
WO/2001/096735A1
The invention relates to a starter device (1) for an internal combustion engine (2). Said starter device is provided with an electric starter motor (3), a power supply (16), and with a drive device (4) for the starter motor (3). The driv...  
WO/2001/089073A2
A method is provided for controlling the starting of an AC induction motor (12) with a soft starter (14). The windings (20a-20c) are connected in a delta configuration and each winding has a corresponding thyristor switch (22a-22c) conne...  
WO/2001/089074A2
A method is provided for controlling a three-phase, AC induction motor (12). Each phase of the AC induction motor (12) is connected to an AC input source (18) by a thyristor switch (22a-22c) and a bypass contactor (24a-24c) connected in ...  
WO/2001/089072A2
A method is provided for controlling a three-phase, AC induction motor (12). Each phase of the AC induction motor (12) is connected to an AC input source (18) by a thyristor switch (22a-22c) and a bypass contactor (24a-24c) connected in ...  
WO/2001/078225A1
A single-phase motor (10) particularly for submersed pumps, characterized in that it comprises an annular capacitor (14) interposed between the pump coupling head (15) and the stator winding pack (12).  
WO/2001/077769A1
Disclosed are a power control apparatus and method thereof capable of controlling a load power by adjusting an AC power voltage supplied to a streetlamp, a computer system, and an electronic equipment according to a load characteristic a...  
WO/2001/071901A1
Triac controller (200) including a driver (208) providing a firing pulse to a triac within each half period of an alternating current power supply. A soft start subcircuit and a zero crossing detector (215) direct the driver (208) to pro...  
WO/2001/069745A1
The invention relates to an assembly for adjusting mobile elements of furniture, comprising a motor, a control circuit which is provided with push-button switches, a current supply circuit, a mains connection, a mains supply circuit, a m...  
WO/2001/061835A2
The aim of the invention is to improve a method for controlling an electric driving motor (10) of an adjusting device pertaining to a motor vehicle by means of a variable voltage that is applied to said motor and in such a way that an EM...  
WO/2001/059916A1
A motor includes a stator core, a rotor in rotational relationship with the stator core and a main winding on the core. The main winding includes a 4-pole configuration and an 8-pole configuration and the motor has a 4-pole auxiliary win...  
WO/2001/056143A1
The invention relates to an electrical switchgear, especially a semiconductor soft-starter with reverse function on semiconductor basis. The aim of the invention is to reduce the number of components required for such a switchgear. To th...  
WO/2001/048907A1
A food processor with a motor control circuit that disables speed regulation during motor start operation and high torque operation. Whenever motor speed is less than a set speed, both a motor starter winding (11) and a main winding (13)...  
WO/2001/048903A1
The invention relates to a method for operating a 3-phase controller circuit, especially a soft start device for 3-phase motors, with a controllable semi-conductor circuit (2) in two of its three phase branches (L1-T1, L2-T2, L3-T3), res...  
WO/2001/041293A1
A method and apparatus for deriving characteristics of a utility signal for synchronizing the output of a motor drive with the utility for a transfer or capture operation. With the drive in idle, the voltage and phase angle of an input t...  
WO/2001/035516A1
The invention relates to an alternating motor with starter, wherein the starting element is a capacitor or capacitor bank which connects between power source and motor. When it starts step by step, capacitive reactance will decrease step...  
WO/2001/035520A1
Device and method for controlling supply of current and static capacitance to compressors, the device including a control signal providing part for providing control signals for controlling currents and static capacitances to be supplied...  
WO/2001/035521A1
Device and method for controlling supply of current and static capacitance to a compressor, the device including a control signal generating part for providing control signals for controlling a current and a static capacitance of the uti...  
WO/2001/018340A1
The invention relates to a method for regulating an actual speed of the working stroke of a motor-vehicle window-pane, during its displacement from a closed position into an open position and vice versa and to a device which is suitable ...  
WO/2001/015310A1
An electrical machine comprises a rotor without windings, a stator having an armature winding (24, 25) and a field winding (10) for generating a magnetomotive force in a direction extending transversely of the magnetomotive force generat...  
WO/2001/013507A1
An electrical machine comprises a rotor without windings, a stator having an armature winding (24, 25) and a field winding (10) for generating a magnetomotive force in a direction extending transversely of the magnetomotive force generat...  
WO/2001/013508A1
An electrical machine comprises a rotor without windings, a stator having an armature winding (24, 25) and a field winding (10) for generating a magnetomotive force in a direction extending transversely of the magnetomotive force generat...  
WO/2001/013506A1
A combined contactor (1)/slow starter (5). The soft starter (5) is fitted on the contactor (1).  
WO/2001/013511A1
An electrical machine comprises a rotor without windings, a stator having an armature winding (24, 25) and a field winding (10) for generating a magnetomotive force in a direction extending transversely of the magnetomotive force generat...  
WO/2000/077920A1
A start circuit for a single-phase AC motor controls the current through the start or auxiliary winding (14) based on time rate of change of voltage (dV/dt) or current (dI/dt), or based on the current or voltage dropping or rising some f...  
WO/2000/077919A1
A method of controlling an induction motor is disclosed. The method includes the steps of: a) selecting a mode of driving the induction motor; b) manually setting a driving current value, a peak current value, a Y-starting time period, a...  
WO/2000/072428A1
A compact miniature motor includes a DC motor (10), a worm gear (32), a pinion transfer gear (34), at least one cluster gear (48), an output gear (56), and an output shaft (52). The gears form a gear train that wraps tightly around the D...  
WO/2000/072437A1
A method of starting an open-loop vector control, the method comprising the steps of determining a stator inductance model of a synchronous machine, measuring (2) the stator inductance of the synchronous machine in a plurality of directi...  
WO/2000/069061A1
A single-phase variable-frequency power supply (1) with two output voltages (3, 4) drives a single-phase AC motor (6) that has a start circuit (7) and main winding (5). For permanent split-capacitor motors, the power supply (1) maintains...  
WO/2000/068965A1
Disclosed is an electromagnetic switch device for star-delta connections including a body, three power terminals respectively connected to three-phase power lines at one side of the body, three main starting terminals respectively connec...  
WO2000039917A3
A prime mover such as a microturbine generator is operated to generate dc power, and an inverter is controlled to convert the dc power to ac power. The ac power is supplied to an electric motor. The frequency of the ac power is ramped up...  
WO/2000/066952A1
A method of starting a freezer and its compressor, in which a small inverter is used to control the number of revolutions of the compressor while maintaining the starting torque of the compressor at an adequate level. The driving motor i...  
WO/2000/057528A1
An improvement in a starting system for an electric motor, which drives a hermetic compressor of refrigeration and comprises a main winding (1), and an auxiliary winding (2), which are energized by an electric current source (3), through...  
WO2000017987A3
The present invention provides an improved DC electric starter-generator having high starting torque, compact size and weight, increased efficiency and reliability, and being particularly suitable for a starter-generator for aircraft eng...  
WO/2000/048302A1
The present invention is a power supply (10) that starts a load (20) with a heavy start-up power draw from a power grid (12) and then switches the load to a generator (22) for lower power draw operation thereby avoiding the need for a la...  
WO/2000/043167A1
A robot device capable of natural, autonomous motion, which has motion-induced emotional instinct models and is provided with a control means (32) for determining its motion by changing an emotional instinct model based on elements of in...  
WO/2000/039917A2
A prime mover such as a microturbine generator is operated to generate dc power, and an inverter is controlled to convert the dc power to ac power. The ac power is supplied to an electric motor. The frequency of the ac power is ramped up...  
WO/2000/036731A1
The invention relates to a drive unit for units of a motor vehicle such as window lifters,wipers or the like, comprising an electric motor (10), a power switch arranged in the electric power circuit of the electric motor (10) and a contr...  
WO/2000/019594A1
A method and a device for controlling an electric motor arranged to serve as drive source for electrically driven hand tools or stationary machines, which during operation are made subject to varying loads. According to the invention are...  
WO/2000/019593A1
A small synchronous motor with high reliability so devised that transition from start operation to synchronous operation is ensured. A microcomputer (22) switching-controls the current application range to a range where the rectified cur...  
WO/2000/017987A2
The present invention provides an improved DC electric starter-generator having high starting torque, compact size and weight, increased efficiency and reliability, and being particularly suitable for a starter-generator for aircraft eng...  
WO/2000/014844A1
The invention relates to a method for moving a vehicle part between at least two positions, wherein the vehicle part is driven by an electric motor, pulse signals corresponding to the rotational movement of the electric motor are generat...  
WO/2000/008746A1
A method for the starting and steady-state supply of a permanent-magnet synchronous motor, particularly for driving a centrifugal hydraulic pump. The method comprises three successive steps: a first learning step, a second starting step,...  
WO/1999/053604A1
A starting system for an electric motor, comprising an actuating means (10) provided inside the electric motor and submitted to a magnetic field produced by the main coil (1) upon its energization for operation of the electric motor, sai...  
WO/1999/049563A1
An induction machine (20) adapted for variable speed operation, including low and zero speed, comprising: a polyphase stator having two separate stator windings (abc, xyz) with separate input terminals for each winding by which drive pow...  
WO/1999/049562A1
A motor starter circuit providing recovery of the energy trapped in the motor windings when the supply voltage and current have opposite polarities by selectively controlling actuation of a plurality of high speed switches. The circuit, ...  

Matches 701 - 750 out of 11,434