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WO/2006/033214A1 |
A fan motor drive device capable of flexibly setting the rotational speed of a cooling fan. The fan motor drive device (100) drives the fan at the number of revolutions based on a control voltage (Vcont) and an ambient temperature (Ta) t...
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WO/2006/031839A2 |
A multi-phase unipolar motor is configured such that each stator pole is formed with bifilar wound primary and inductively associated secondary windings corresponding with one phase. The primary winding at one stator pole corresponding w...
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WO/2006/028861A2 |
A variable speed electric motor to drive a variable load over a substantially continuous range of speed. The motor has a plurality of winding combinations that may be switched into and out of the motor circuit. A torque controller select...
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WO/2006/024555A1 |
The invention relates to a circuit arrangement and to a method for operating an electric motor (10) with varying rotational speed on a constant-voltage source (18, 20), in particular, for operating a cooling air blower motor of a motor v...
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WO/2006/021634A1 |
The invention concerns a monitoring device comprising means (32) for generating a supply voltage of the electric motor (20) based on a battery voltage including means, activated when the battery voltage is higher than a predetermined thr...
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WO/2006/018503A2 |
The invention relates to a device for piloting an electric motor (20) for driving a mobile conductor element (18) of a power switch connected to a power circuit (28) connected to two terminals (P, M) of an electrical battery pack, especi...
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WO/2006/018700A1 |
The method for supplying a motor with direct current from a voltage source via two relays is characterized in that it comprises a first transitory stage wherein the two relays are in a rest position, wherein one of the relay coils is sup...
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WO/2006/011938A2 |
A method consistent with an embodiment may include selecting one of a plurality of components of a power supply system of a cordless power tool to be a protected weak link element. The method may also include configuring the protected we...
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WO/2006/012051A2 |
Electrically powered devices are provided that are generally capable of automatically adjusting an operating speed of a tool removably connected to the device. The device includes circuitry that evaluates tool wear for the tool removably...
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WO/2006/009847A1 |
The present invention provides electrical devices that derive power from an incoming power source to produce output power to drive the device. The device includes circuitry or other means for determining at least one characteristic of th...
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WO/2006/005563A1 |
The invention relates to a quenching device (LOV) for a converter bridge (SRB) with line regeneration, whereby the converter bridge controlled by a network-timed control circuit (AST) by ignition pulses is connected with its three inputs...
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WO/2006/005564A1 |
The invention relates to a method for controlling a quenching device (LOV) for a converter bridge (SRB) with line regeneration, whereby the converter bridge controlled by a network-timed control circuit (AST) by ignition pulses is connec...
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WO/2006/001480A1 |
A control unit of a motor driver automatically operates a linear motion device according to a given drive condition. An error judgment value setting unit samples the peak of the current supplied to the linear motor during the automatic o...
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WO/2005/124960A1 |
Disclosed are a method and the use of a device which is operated according to said method in order to detect a blockage of a DC motor (10), especially a DC motor (10) for a motor vehicle fan. According to the invention, the DC motor (10)...
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WO/2005/124991A1 |
Disclosed is a circuit arrangement and a method for adjusting the power input of a load, particularly a load of a cooling fan motor (10) of a motor vehicle, which can be operated on a direct current supply network (13,15), comprising at ...
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WO/2005/121890A1 |
An actuator drive circuit for a shutter capable of operating an actuator with high precision. The actuator drive circuit (1) for shutter comprises a counter (12) which starts counting frequency division clocks produced by dividing the fr...
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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/2005/121710A1 |
A position sensor generates a signal representative of the angular position and, if desired, angular velocity of a rotating object using only a single circular track and plural brushes that ride on the track when the object rotates. The ...
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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/2005/112221A2 |
A cordless power tool may include tool identification circuitry to provide a tool identification signal to a battery pack. The tool identification signal may be representative of data particular to the cordless power tool. A method may i...
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WO/2005/108185A2 |
A control system for a powered wheel chair drive modulates a pulse power delivery signal such that power is delivered gradually at throttle positions corresponding to a low speed, and power is delivered more rapidly at throttle positions...
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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/2005/107048A1 |
The invention relates to electrical engineering, in particular to valve electric drives fed by a DC-voltage source. The inventive valve electric drive comprises an electric motor whose stator is provided with a closed-coil distribution w...
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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/2005/094124A1 |
A motor (20) moves a fader (18). A motor driver (22) drives the motor (20). A switch circuit (26) is connected to the voltage control terminal of the motor driver (22). The switch circuit (26) switching-operates so as to selectively supp...
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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/2005/086341A1 |
The present invention provides a method for controlling the output power of a permanent magnet electric motor (102) using a control means (106). The control means (106) includes a means (134) for measuring motor speed (134) and motor pha...
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WO/2005/083878A1 |
The invention relates to a device for controlling an electric motor, especially in motor vehicles, said electric motor being used for the setting of a setting element actuated by one such electric motor, according to the deviation of an ...
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WO/2005/081391A1 |
An existing control unit is switched to a current control unit in a short preparation time and working hours, and a time and a cost required and a quantity of industrial waste generated by the switching are reduced. The control unit is p...
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WO/2005/078538A1 |
A barrier movement operator (10) including a sensing device (110) for generating motor signals representing an operational variable of the motor (106), a position sensor (128, 127) for detecting the rotation of motor (106), a controller ...
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WO/2005/078223A1 |
Disclosed is an electric circuit arrangement for influencing a power switching element on the output side associated with an electric motor which is used to adjust a unit provided in a motor vehicle. The aim of the invention is to ensure...
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WO/2005/070746A1 |
The invention relates to a method for determining a time mean of a pulse width-modulated current of an electric motor of a motor vehicle. According to said method, a plurality of measuring values of a measuring variable that has a known ...
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WO/2005/071423A1 |
It is possible to reduce torque ripple of a motor attributed to a rotation detection device. A frequency multiplier (51) multiplies a rotation angle Ѳ of a detection object by the ripple frequency m per one rotation of the detection obj...
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WO/2005/071823A1 |
The invention relates to a module for varying the speed of a motor (GM), comprising a reverse battery protection (T1) that is electrically connected to a distribution voltage source (UB). If the voltage source (UB) cannot supply the requ...
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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/2005/067133A1 |
A motor drive inverter control apparatus comprises a rectifier circuit for rectifying an AC power supply; an inverter circuit driven by an output of the rectifier circuit; a motor driven by an output of the inverter circuit; a first capa...
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WO/2005/067134A1 |
A power transistor protecting circuit of a motor drive circuit, a motor drive circuit, or a semiconductor device, wherein when a breaking of wire exists between the output terminal of a power transistor and another end of an exciting coi...
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WO/2005/062455A1 |
The invention relates to a device for power adjustment, by phase control of an alternating current, supplying an electrical user (14) and for reduction of the harmonic waves arising from the phase control, in particular, up to the region...
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WO/2005/062457A1 |
A three-wire reversing system for a permanent magnet, reversible, brush-type, direct current (DC) motor has a three-wire alternating current (AC) input voltage source which supplies electrical current to at least one capacitive element. ...
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WO/2005/058672A1 |
There is provided an electric power steering device for linearizing discontinuous non-linear characteristic generated in the relationship of the duty ratio between the motor current generated in the vehicle steering wheel return state an...
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WO/2005/057225A1 |
The invention relates to a method and an array for determining the rotational speed of a direct current motor, wherein an analogue/digital converter (5) is coupled to the supply terminal of a motor (1). Two man value generators (61, 62),...
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WO/2005/057776A1 |
This invention relates to a low cost rotation motor rotation speed control circuit (1), that is utilized for DC electrical motors (2) of which their rotation speed is increased by applying Voltage Doubler (VD) method hence generating a h...
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WO/2005/055410A1 |
There is provided a DC motor drive device of the open loop control method. It is judged whether speed instruction data supplied corresponds to the DC motor drive instruction according to the speed instruction data. When it is decided tha...
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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/2005/050332A2 |
An improved regulator system (10) is disclosed for controlling a field winding (23) of an alternator (20) to regulate the charging of a battery (30). The improved regulator system (10) has an internal regulator (50A) mounted onto the alt...
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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/2005/041394A1 |
The invention relates to a circuit arrangement and a method for operating a pulse width modulation-controlled electric motor (10) in a direct current source (14,16), more particularly for operating a blower motor in the electric system o...
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WO/2005/041400A1 |
A device (1) including a DC actuator (3), a rectifier element (D1, D2) and a switch (K) controlling the actuator power supply by connecting the actuator to the power grid via the rectifier element. The device is characterised in that the...
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WO/2005/031962A1 |
The invention relates to a control circuit for an inductive, electric consumer (20), particularly a direct current motor (30) of a ventilating device in an internal combustion engine, comprising a first circuit element (14) which is seri...
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WO/2005/025024A2 |
The invention relates to an arrangement for isolating supply current from control devices, which satisfies higher safety standards while, however, being easy to operate. To this end, the inventive arrangement comprises a device for isola...
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