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WO/2006/000192A2 |
Disclosed is an electric drive for a vehicle, which is used as a main drive or a hybrid drive. The electric motor of said drive is embodied as a special type of reluctance motor or series wound motor. The rotor of the reluctance motor an...
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WO/2006/001479A1 |
A control unit of a motor driver feedback-controls current supplied to a linear motor according to a detection value of a linear encoder. An error detection unit monitors current supplied to the linear motor and detects an error of a lin...
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WO/2005/122368A1 |
A moving magnet linear slider in which the effect of microvibration is minimized at the time of driving a linear motor, the servo gain can be increased easily, and the speed ripple can be suppressed. The moving magnet linear slider compr...
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WO/2005/117247A1 |
The drive circuit (10) includes a processing and control circuit (14) comprising a protection circuit (16), designed to generate at its output a logical inhibiting signal (C) starting from every zero crossing of the motor supply voltage ...
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WO/2005/117250A1 |
A coil load driving circuit capable of suppressing occurrence of radiant noise when a motor is at rest. The coil load driving circuit (1) comprises output buffers (11,12) for outputting PWM pulses to the two terminals of a motor (5); a t...
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WO/2005/115788A1 |
When a torque command value (TR) from an external ECU is within a predetermined variation width, a control unit (64a) generates a signal (Uc) and outputs the signal to a voltage command calculation unit (61a) so that electrostatic energy...
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WO/2005/112230A1 |
A two-phase motor having first and second coil arrays and magnet arrays. In the magnet array, N pole and S pole are arranged alternately while facing the first and second coil arrays. The first and second coil arrays are located while be...
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WO/2005/112249A1 |
A synchronous machine controller capable of generating a torque as close to a desired command torque as possible while considering the limit of the output current of a power converter. The synchronous machine controller comprises a torqu...
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WO/2005/112231A1 |
A motor includes a first coil group having a plurality of coils and a magnet group. The first coil group is divided into M-phase sub coil groups. Coils of sub coil groups of a first phase sub coil group to an M-th phase sub coil group ar...
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WO/2005/109611A1 |
The invention relates to a commutator motor (1), which has a series excitation or shunt excitation and which, in particular, is suited for use as a drive motor for a washing drum of a laundry treatment device. The stator (4) of a commuta...
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WO/2005/104332A2 |
In a resonant motor system, an electrical motor 10 having a stator 14 with one or more windings, a rotor 12 which may or may not be wound, and an air gap 16 between the stator 14 and the rotor 12 for storing magnetic energy such that the...
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WO/2005/101606A1 |
The invention relates to a circuit for a series motor, wherein two electronic switches, without the intervention of a mechanically disconnecting switch, allow for a reliable switching. For this purpose, two electronic switches (triacs) (...
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WO/2005/100769A2 |
A method and system for controlling a free-piston energy converter is disclosed in which effects of events, like combustion events, in at least one of at least two cylinders, are decoupled from each other by predicting forces acting on t...
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WO/2005/100764A1 |
A method and system for controlling a free-piston energy converter is disclosed in which effects of events, like combustion events, in at least one of at least two cylinders, are decoupled from each other by predicting forces acting on t...
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WO/2005/093943A1 |
A controller of a permanent magnet synchronous motor in which terminal voltage of the motor can be controlled with high accuracy even for a variation in motor constant through a simple arrangement without requiring square root or complex...
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WO/2005/093940A1 |
The invention concerns a control device powered by an alternating voltage source, comprising a first terminal (UP), a second terminal (DN) and a third terminal (N0) connected to a neutral conductor (AC-N) and powering a motor (MOT). The ...
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WO/2005/089283A2 |
In a linear electric generator (LEG) which includes apparatus for passing a permanent magnetic assembly (PMA) (30) along linearly disposed sections of coils of an induction coil assembly (ICA) (24) for generating voltages and power, a sw...
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WO/2005/088827A1 |
There is provided a motor including magnetic pole means having a plurality of coil strings alternately excited to different poles to which is faced a permanent magnetic pole string having permanent magnetic pole elements of alternately d...
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WO/2005/081395A1 |
When receiving from a motor generator (MG2) an instruction of activating an engine (ENG) during driving of the driving wheel of a hybrid automobile, a control apparatus (30) generates and outputs a signal (PWMC) to a boosting converter (...
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WO/2005/081397A1 |
There is provided a motor-driven power steering device control device for suppressing motor vibration and noise caused by the torque ripple occurring when the motor is subjected to field-weakening control or based on the motor circulatin...
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WO2004025822A9 |
An electrical machine having stator (30) and rotor (31) is disclosed. The motor has field windings (F) and armature windings (A) energized by a suitable power electronic controller (401). A controller (400) sends signals to the power ele...
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WO/2005/076454A1 |
An electrical machine, such as a switched reluctance motor (7), has a rotor and at least one electrically energisable phase winding. A control map is derived during production, comprising a predetermined advance angle profile representin...
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WO/2005/076459A1 |
An electrical machine, such as a switched reluctance motor (25), has a rotor and a controller (24) arranged to energise at least one electrically energisable phase winding in dependence on the angular position of the rotor. The controlle...
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WO/2005/076462A1 |
An electrically driven vehicle having a rotating electric machine small-sized and whose power generating characteristics and torque output characteristics can be changed and set to those appropriate for a vehicle condition. The electrica...
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WO/2005/074120A1 |
The invention relates to a method for reduction of the rotation speed of a drivetrain in a wind energy plant, comprising at least two asynchronous machines, from a first rotation speed to a second rotation speed, whereby a first asynchro...
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WO/2005/070625A1 |
The invention relates to an electric hand-held power tool comprising a control and/or regulating device for an electric motor. According to the invention, said control and/or regulating device is associated with an electronic memory elem...
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WO/2005/069476A1 |
A three-phase electric power converting apparatus for driving a DC electric motor (3) having a field coil (4), wherein a plurality of semiconductor switching elements having a three-phase electric power conversion function as well as a p...
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WO/2005/067137A1 |
A motor controller wherein a superimposition signal generating section (9) outputs a superimposition signal idh of repetitive waveform such as a triangular wave or a sine wave during motor speed control, a d-axis current command generati...
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WO/2005/064251A1 |
The invention relates to an air-separation apparatus comprising a system of columns (DC, CM), means for supplying the apparatus at least partially with compressed air from at least one supercharger (C2), air-scrubbing and -cooling means ...
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WO/2005/058188A1 |
The drive system drives a brushhead at a driving frequency. The drive system includes a frequency modulation system which changes. the driving frequency about a center frequency in such a manner, with selected frequency deviation and mod...
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WO/2005/060064A1 |
The invention relates to a method for the operation of a converter circuit (3), in particular a pulse-width modulated frequency converter circuit (3) with a direct current intermediate circuit which controls several winding branches of a...
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WO/2005/054041A1 |
The invention concerns an electric steering and driving system for a lateral wheel steering vehicle, said system comprising driving elements for chains (15, 16) or for wheels, two axle drive shafts (13, 14), whereof one first end is conn...
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WO/2005/055400A1 |
A switched DC rotating electrical machine (100) comprising a stator (3), a rotor (2) and switching means (11a, 11b, 18a, 18b), an excitation winding (5) associated with one of the stator (3) or the rotor (2) having a pair of inputs, the ...
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WO/2005/053148A1 |
The invention relates to the field of electrical engineering, and it may be used in household appliances as well as in other alternating-current drives for domestic and industrial purposes. It is the aim of the present invention to desig...
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WO/2005/050822A1 |
An electric motor operated by AC current, that includes a stator (11) and a rotor (14) supported for rotation about an axis relative to the stator. The stator is provided with field windings (12) angularly distributed about the rotor axi...
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WO/2005/048443A2 |
A system for controlling the speed of a brushless repulsion motor having a series of switches mounted on a rotating armature for shorting circumferentially spaced armature coils comprising first stationary signaling means and a plurality...
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WO/2005/046916A1 |
The invention relates to a power tool comprising a control device (48) for controlling at least one operating parameter, and a corresponding method. Said power tool comprises a motor (42) for driving a tool, at least three switching elem...
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WO/2005/046041A2 |
The invention relates to a method for operating a synchronous machine which comprises a permanently excited rotor and a stator provided with a phase coil consisting in determining the rotor position. According to said invention, for rect...
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WO/2005/039035A2 |
It is possible to control the DC intermediate voltage to be constant without using a device for returning regenerative resistance or regenerative energy to a power source and to safely continue operation of an AC motor even if an instant...
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WO/2005/034332A1 |
A switched reluctance machine system includes a stator, a rotor situated to rotate relative to the stator and a plurality of phase windings situated in the stator. A power supply is connected to the phase windings via power converter and...
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WO/2005/034331A1 |
An electromagnetic motor with increased torque. The motor has a rotor coil (14) configured to generate a magnetic field. At least two stator coils (16) are connected in series with the rotor coil (14). Each of the stator coils (16) is co...
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WO/2005/034333A1 |
The inventive six-phase induction machine is embodied in the form of two three-phase induction machines which are supplied by a common six-phase current inverter. The switches (S11, S12, S21, ..., S32’) of the inverter are controlled b...
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WO/2005/031963A1 |
A method and device are presented for controlling the operation of an AC motor. The controlling consists in adjusting a frequency f of a driving voltage supplied to the motor. This is achieved by transforming an input harmonic voltage si...
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WO/2005/031961A1 |
The invention relates to a H-bridge-type synchronous rectification device (10) which powers a coil (5) of a phase of a synchronous machine. The inventive device comprises four switches (21, 31, 22, 32) which are disposed on the electrica...
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WO/2005/027336A1 |
A drive circuit for operating a resonant motor includes a motor circuit, a feedback circuit, a control circuit, and a coil drive circuit. A feedback loop includes the motor circuit, the feedback circuit, and the control circuit. The feed...
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WO/2005/026545A1 |
An electromagnetic pump driving method in which noise and vibration accompanying abrupt pressure variation in a pump chamber are reduced. A pulse voltage applied alternately to the positive side and the negative side so as to drive an el...
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WO/2005/027323A1 |
A stator part of a linear motor includes a U-phase coil part (10U), a V-phase coil part (10V), and a W-phase coil part (10W) through which currents with phases different by 120 degrees from one another flow. Each coil part has pairs of a...
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WO/2005/027335A1 |
A multiphase brushless permanent magnet motor has a stator provided with at least one winding for each phase, the windings permanently connected to each other at a plurality of junctions. A power source is coupled, via controlled motor e...
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WO/2005/025047A1 |
A map holding unit (89) holds, in the form of a map, a voltage control amount (Vq&lowbar map) of the q axis in a case where no demagnetization of a permanent magnet motor (60) occurs. Based on a motor revolution number, namely the number...
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WO/2005/021966A1 |
A free piston gas compressor has a cylinder, a piston, the piston reciprocable within the cylinder in alternating compression and expansion strokes. A reciprocating linear electric motor is drivably coupled to the piston. A controller is...
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