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Matches 301 - 350 out of 22,564

Document Document Title
WO/2011/060531A1
In an electrically powered vehicle, a computer-controlled switching system activates relays to switch additional discrete batteries into a circuit in response to throttle level, where a processor is configured to decide what specific bat...  
WO/2011/057577A1
A lawn mower (1) includes a housing (3), a motor (4) which is connected with the housing and is provided with a motor shaft (6), a mowing blade (8) connected with the motor shaft and having at least one cutting edge (10), a power providi...  
WO/2011/057629A2
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/2008/110964A3
A motor control circuit (MC) comprising input terminals (ITl, IT2) to receive a rectified input voltage (Vrm), and output terminals (OTl, 0T2) to supply a motor drive signal (Vm). A switching circuit (1) is alternately in an on- state (T...  
WO/2011/049543A1
The invention proposes an electric motor with a DC travelling magnetic field and variants thereof. The motor has, within its device, an immovable stator with a winding laid in the slots. In one variant, the motor is constructed as a thre...  
WO/2011/031788A2
Embodiments of the invention provide methods of controlling a motor, such as a servo motor. One method can include monitoring a current temperature of the motor and a power stage of the motor substantially continuously and substantially ...  
WO/2011/026772A2
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/2011/026672A1
The invention relates to a method and a device for determining a starting speed of a starter of a start-stop system. According to the invention, at least one electric variable of the starter is measured during a starter run-up and the cu...  
WO/2010/105794A3
In order to automatically detect a mechanically commutated DC motor (2), it is provided to acquire an electrical engine size (Ew), to determine current ripples (R) in said engine size (Ew), to evaluate the amplitude (AR), the duration an...  
WO/2011/019038A1
Disclosed is technology for driving a switching element, for driving a load, within a suitable temperature range. In a normal control state, the MCS (20), on the basis of power supply voltage or an indication value, transfers the operati...  
WO/2011/004471A1
Disclosed is a vehicular damper system characterized by comprising an electromagnetic damper (10) provided with: (i) an electromagnetic motor (46) for acting in accordance with the approaching and leaving actions of a spring upper portio...  
WO/2011/004470A1
Disclosed is a vehicular damper system characterized by comprising: an electromagnetic damper provided with (α) an electromagnetic motor (46) for acting in accordance with the approaching and leaving actions of a spring upper portion an...  
WO/2011/001149A1
A motor control system has a sensor for measuring an operational parameter of a motor and includes means for converting the measured operational parameter into an electrical resistance value. The operational parameter measured by the sen...  
WO/2010/118978A3
The invention relates to a method for operating a control circuit (10) having a first output (12) and a second output (14) and having an associated first switching means (16) and an associated second switching means (18), wherein an actu...  
WO/2010/150745A1
An angular velocity estimate (ωe) used for the control of a motor of an electric power steering apparatus is derived as follows. A resistance calculating unit (52) calculates a motor resistance value (Rc) on the basis of detected values...  
WO/2010/136240A1
The invention relates to a direct current motor system comprising a direct current motor having a commutator for controlling windings of the direct current motor, an interference filter for reducing the interference emissions towards and...  
WO/2009/082065A3
The present invention relates to a motor controller for air conditioner including a converter converting AC utility power into DC power; an inverter for compressor having a plurality of switching elements for inverter, the inverter conve...  
WO/2010/118978A2
The invention relates to a method for operating a control circuit (10) having a first output (12) and a second output (14) and having an associated first switching means (16) and an associated second switching means (18), wherein an actu...  
WO/2010/118703A1
A self-propelled lawn mower is provided. The lawn mower includes: an onboard battery (4); an electric blade motor (8) operatively connected to the battery for rotating a mowing blade; an electric drive motor (6) operatively connected to ...  
WO2010109964A1
A semiconductor integrated circuit device is provided with a motor rotation speed determination circuit for determining the rotation speeds of a motor so as to change motor drive waveform generation processing according to the rotation s...  
WO/2009/147013A3
The invention relates to a method for controlling a motor (2), especially for opening and closing a door, wherein the motor (2) is controlled by means of a pulse width-modulated switching signal (PWM) that is divided into a specifiable n...  
WO/2010/092204A1
The invention relates to a system for detecting earth faults in rectifier-fed DC systems, comprising: - an earthing impedance (6) in the transformer (1) which feeds the rectifier (3); - a device (23) for measuring the current which flows...  
WO/2010/083877A1
The invention relates to an electric motor having a stator (465), to a rotor (470), and to a device for analyzing a signal provided for controlling said motor (11), having a receiving unit (430, 440) for receiving a control signal (PWM_m...  
WO/2009/065699A3
The invention relates to a method and a device for determining the position of a closing part of a vehicle, that can be moved by a direct-current motor. A motor current signal is derived from the direct-current motor and converted into a...  
WO/2010/075926A1
The invention relates to a device and to a method for operating a drive (100) having a mechanically commutated electric motor (110), - wherein a rotary position (s) of the drive (100) is determined by a circuit (300) from a ripple of a m...  
WO/2008/138454A3
The invention relates to an electric drive which comprises at least one motor (31) which is or can be supplied with an electric motor current (30) by means of a converter (26), a current regulator (22) by means of which the motor current...  
WO/2010/072782A1
The present invention relates to a system for controlling a direct current motor (M) with straight recesses including a position sensor (CP) for measuring the angular position (θ) of the motor (M), and a current sensor (CC) for measurin...  
WO/2010/060361A1
A gear control system and gear control method thereof. The gear control system comprises a motor position detecting device (15) for detecting the position of the motor and sending the information of the motor position to a central proces...  
WO/2010/055484A1
The present invention is concerned with an electronic circuit (C) that is connectable to a voltage source (B) and a load (M). The circuit (C) comprises a controllable load switch element (TL) that is arranged so that a supply voltage (V5...  
WO/2010/028736A3
According to the invention, for processing a motor signal (Ia, Um) of a DC motor (4), in particular an adjusting drive of a motor vehicle, the armature current (la) and the motor tension (Um) of the DC motor (4) are detected and are used...  
WO/2010/045993A1
The invention relates to an electric motor (15) for driving a compressor of an air supply unit of a vehicle, wherein the electric motor (15) comprises at least one semiconductor switch (30) for actuating the electric motor (15). The inve...  
WO/2010/040349A1
The invention relates to a method for providing a trigger signal in response to the commutation of a mechanically commutated electric motor (1). The method comprising the steps of providing a mechanically commutated electric motor (1), p...  
WO/2010/038339A1
A first terminal of a protection element of a control unit is connected to a line between a motor and a switching element, and a second terminal thereof is directly connected to a ground-side line that is common to a controller and the s...  
WO/2010/028915A1
The invention relates to a method and a device for controlling an electric motor (2), wherein an operating voltage and an operating current is supplied to an electric motor (2), and at least one measurement variable (4, 6, 7, 8) characte...  
WO/2010/015461A2
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/2010/012681A1
The invention relates to a method for determining measured values in a system (101) driven in clocked fashion, wherein the clocking has driving periods in which the system (101) is driven and non-driving periods in which the system (101)...  
WO/2010/004971A1
Provided is a motor drive device (10) for driving and controlling a motor (M). The motor (M) has one electrode to which a DC voltage is applied from a DC power source and the other electrode grounded via a switching transistor (22). Th...  
WO/2009/150280A1
The invention relates to a system for controlling the movement of passenger access doors in railway vehicles and to a method for operating said doors using the aforementioned system. The invention is intended to reduce the number of door...  
WO/2009/094541A3
An electromagnetic actuator with flux feedback control includes two poles located on opposite sides of a soft-magnetic target. A bias flux is introduced that flows into both poles. Magnetic circuitry may be designed so that the total bia...  
WO/2009/127472A1
An electrical motor activation method, in which an electric motor, comprising a rotor, which is connected to a motor shaft, and a stator having brushes, said stator comprising multiple commutator lamellae for the commutation of the windi...  
WO/2008/128893A3
The invention relates to a device switch for an electric tool, in particular a battery-operated electric tool. A power circuit for supplying power of a motor and an electronic circuit for monitoring the temperature, power and current is ...  
WO/2009/065540A3
Disclosed is a fan arrangement (20) comprising a fan (24) that is driven by an electric motor (22), a device for continuously detecting an actual electrical value associated with the electric motor (22) during operation, an input device ...  
WO/2009/112094A1
The invention relates to an electric motor (2) comprising a rotor (21) with a plurality of windings (22) having one or more respective coil elements (23), said windings being controllable depending on the relative position; a stator (25)...  
WO/2009/111503A2
Circuitry (e.g., 7, 9) for controlling motors (e.g., Figs. 2A and 2B), such as a brushless motor (BLM). is disclosed. The circuitry (e.g., 7, 9) may comprise one or more inputs for receiving rotor position signals (e.g., 91, 92) from one...  
WO/2009/107183A1
This aims to provide a control device comprising opening detecting means (17) for detecting the opening of a control valve (9) driven by an electric actuator (11). A control unit (21) sets the target opening of the control valve (9), the...  
WO/2009/106508A1
A H-bridge circuit for supplying a load with a defined current comprises a first transistor for coupling a first terminal of the load to a positive potential of a power source; a second transistor for coupling the first terminal of the l...  
WO/2009/104713A1
Provided is a motor load control device which can suppress heat generation of an electronic switch and suppress fan vibration and generation of a noise accompanying the fan rotation. The device includes switch means (17) formed by a firs...  
WO/2009/103153A1
A battery powered raise climber system is provided that uses Lithium ion batteries to drive a single or double electric drive for an existing raise climber. The batteries offer a faster, safer, quieter and cleaner way to move workers and...  
WO/2009/097079A1
A multiphase current sensing method wherein the sum of the phase currents is zero including: sensing a.c. and/or d.c. currents in first and second phases; sensing a.c. current in a predetermined a.c. frequency range in a third phase; and...  
WO/2009/094541A2
An electromagnetic actuator with flux feedback control includes two poles located on opposite sides of a soft-magnetic target. A bias flux is introduced that flows into both poles. Magnetic circuitry may be designed so that the total bia...  

Matches 301 - 350 out of 22,564