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WO/2003/033786A1 |
According to one embodiment of the invention, a ring spinning frame having a plurality of drawing devices, each of which has long drawing rollers (20), can be produced. At least one drawing roller (20) can have several drive motors (12),...
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WO/2003/029623A2 |
Systems, methods, and apparatus, consistent with principles of the present invention, allow an unmodified device, for example, dc starter motor (230), that normally operates at a first voltage (108) to function in an electrical system pr...
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WO/2003/026935A1 |
The invention relates to a wiper arrangement for motor vehicles, especially for car windscreens, comprising a first wiper arm, a main drive motor (12) which is associated with said arm and is used to produced a defined wiping movement of...
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WO/2003/003558A1 |
A method and an arrangement for stopping sectional drive controllably in connection with a fault situation in the supplying mains, the sectional drive comprising a plurality of inverters (4) which are supplied by a DC intermediate circui...
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WO/2002/082629A1 |
The invention relates to a gearless direct drive exhibiting high inertia that is intended for transportation purposes and based on high-poled three-phase A.C. motors. A drive group comprising a three-phase current main motor (1)with a hi...
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WO/2002/052715A1 |
A servo motor drive control system comprising a command unit, e.g. a numeric controller, a plurality of drive controllers for controlling the drive of a servo motor, a first communication line for transmitting data, e.g. a control comman...
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WO/2002/051227A1 |
In a protection circuit for a plurality of fans, an element is associated with each fan. The impedance or the current value of the element indicates the operation condition of the fan. For example, the impedance or the current value may ...
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WO/2002/046002A2 |
The invention regards an electric circuit (200; 300;400;500) comprising a first electronic control circuit (201; 301) controlling the operation of a first electric load (102) to operate alternatively in a push mode or in a pull mode. To ...
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WO/2002/045245A2 |
The invention provides an XYZ-axes table with a linear motor. The XYZ-axes table has a base, a plurality of linear guiding apparatuses, a stage, an X-axis drive linear motor, a Y-axis drive linear motor, and a Z-axis drive linear motor. ...
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WO/2002/037665A1 |
A servocontrol system comprises command generator means (101) for generating a command signal to drive motors (M1-M4); an I/F unit (150) including a CPUa (160) for generating a signal to drive the motors (M1-M4) based on a signal from a ...
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WO/2002/037663A1 |
A servocontrol system comprises a drive unit (50) for driving a motor (61), the drive unit provided with a connection (52); a control unit (40) for giving a command to the drive unit (50) in response to a command from a host controller (...
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WO/2002/037646A1 |
A closed loop control system for a electromagnetic clutch or brake (312) has a motor to provide force, a transducer (304) to read the force and produce an error signal, and an amplifier (311) to compare the error signal to a reference si...
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WO/2002/033815A1 |
A method for controlling acceleration/deceleration of a motor for mechanical operation is characterized by comprising the steps of receiving command variables including at least one of the target position, speed, trace shape, acceleratio...
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WO/2002/003526A2 |
A control for DC motors, in particular actuators driven by a DC motor for adjustment of furniture, such as tables, beds, chairs, etc. inlcudes a pseudomotor which is capable of supplying a voltage that corresponds to the motor speed on t...
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WO/2001/080417A1 |
The invention relates to a method for position-controlled stopping of rotating components of shaftless drive mechanisms in the case of voltage loss, whereby the lacking process power arising from a lack of rotational power is supplied by...
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WO/2001/073939A1 |
A load in an electrical apparatus is driven by two motors M1, M2. Switching means (R1, R2) switches the motors M1, M2 between: a series configuration, in which the motors M1, M2 are connected in series across a power supply and driven wi...
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WO/2001/070165A1 |
The invention relates to an electromotive drive unit for at least one adjustable component. The inventive unit is provided with at least one drive motor that can be controlled by means of a control unit. The aim of the invention is to de...
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WO/2001/065677A2 |
The invention concerns a device comprising at least a central unit (UC) connected to a network. The central unit sends operating instructions into an interactive unit (11) adapted to process tem and transmit them to a management and powe...
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WO/2001/061837A1 |
The invention relates to a method for effecting the synchronous control of several stepping motors (SM¿1?, SM¿2?, SM¿n?) which serve as drives in a positioning system. According to the invention, different step lengths (SL¿1?, SL¿2?...
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WO/2001/053174A1 |
A method for controlling the run-up of a conveyor belt (2), wherein the set point value of the speed of the belt (v*) of a driving drum (4) is increased over a first period of time (t1) by means of rising acceleration (a*) and over a sec...
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WO/2001/050590A1 |
The invention relates to a vacuum dust remover with an electronic regulation of total capacity. The above regulates the capacity of at least one of at least two electrical users, such that the sum of the drawn capacities of all the conne...
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WO/2001/044032A1 |
A controller (100) for controlling an actuator (102) in response to an input signal (104). The controller (100) includes a first control block (106) and a second control block (108). The first control block (106) receives the input signa...
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WO/2001/045244A1 |
A combined drive circuit (102) for a split brake system of a motor vehicle has a switched reluctance motor and a brush motor. The switched reluctance motor has multiple phase windings. The combined drive circuit includes a DC power sourc...
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WO/2001/045246A2 |
An apparatus for controlling the speed of a motor (having a coil) rotating a load synchronizes the rotational speed of the load with a reference signal. To that end, the apparatus includes a commutation circuit for energizing the coil, a...
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WO/2001/045245A1 |
A method and device (100) for controlling an actuator (102) in response to an input signal (104) is provided. The device (100) detects actuator (102) position, calculates a force applied to the actuator as a function of the detected posi...
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WO/2001/045249A1 |
A combined drive circuit for a split brake system of a motor vehicle has a switched reluctance motor (104) and a brush motor (106). The switched reluctance motor (104) has multiple phase windings. The combined drive circuit includes a DC...
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WO/2001/043271A2 |
The invention relates to electric drive motors (8) of at least two machines (2, 3, 4) whose drive motors operate with a periodic movement pattern. According to the inventive method, said periodic movement patterns are coordinated in such...
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WO/2001/043270A2 |
The invention relates to a drive system for driving a set of machines (2, 3, 4) that are each provided with a rectifier (6). According to the inventive drive system, the inputs (7) to the control devices (8) of the drive motors of the ma...
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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...
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WO/2001/035522A1 |
A servo control system comprises serial transmitting means for serial-transmitting a command frame (100) from an upper-level controller (1) to a positioning servo amplifier (30) and a command-following servo amplifier (50). The command f...
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WO/2001/022095A1 |
The invention relates to a method for regulating the rotational speed of a motor, to which a digital governor is assigned and which during operation generates an actual value signal for the rotational speed in the form of a rotational sp...
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WO/2001/019206A1 |
The present invention provides a process for preparing a chewing gum tablet, in which a chewing gum composition is cooled to a temperature at which the composition is brittle, and the composition is ground while brittle to form a fine po...
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WO/2001/003959A1 |
The invention concerns a heating, ventilating and/or air conditioning device comprising at least one mobile element (3, 4,...) whereof the displacement is controlled by a single-pole motor (M¿1?, M¿2?...) powered by a control device (C...
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WO/2000/074225A1 |
Driving of fan and compressor motors of E14000 type electrical multiple units (EMU) with alternative current drive, by changing them with the asynchronous alternating current motors, is provided. The sub-units are the boost type regulato...
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WO/2000/073101A1 |
A system and method for controlling a device such that device operates in a smooth manner. The system may switch between control architectures or vary gain coefficients used in a control loop to control the device. As the architecture or...
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WO/2000/032459A1 |
System for the controlled propulsion of a transportation device which comprises at least two drive wheels actuated by electromotor means, the system having at least two drive means powered by both independent electromotors; each electrom...
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WO/2000/028656A1 |
A system for controlling a rotatable device, the system comprising a controller and a rotary device, which has a stator and rotor, wherein the controller is connected to the rotary device to control rotation of the rotary device, and whe...
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WO/1999/027641A2 |
An auxiliary system includes a plurality of devices that are driven by ac motors. A plurality of independently controllable isolators couple phase windings of the ac motors directly to phase windings of the electric generator. When an is...
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WO/1999/001928A1 |
The invention relates to a method for the decentralised operation of a device for controlling the precise angle synchronism of individual drive mechanisms of a multi-motor drive system linked by a synchronisation bus (4). According to th...
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WO/1998/058752A1 |
The invention relates to a method for reducing or compensating rotating speed losses during insertion of rolling stock in a roll stand, whose rotating speed is adjusted by means of a regulator. The regulator outputs a pre-determined addi...
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WO/1998/054830A1 |
The invention relates to an electronic drive system providing enhanced electromagnetic compatibility by using alternating current torque motors without slip rings or collectors. The inventive drive system has a simple structure and is ea...
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WO/1998/050998A1 |
A motor comprising two or more rotors (20, 30) rotated by means of a common power supply (6), each rotor (20, 30) having a plurality of poles (22, 32) and being associated with a stator (16, 26) having a plurality of poles (18, 28), wher...
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WO/1998/039838A1 |
The invention relates to a method for maintaining the perfect synchronism of individual networked drives (2�1?, 2�2?, 2�3?) of a decentralized drive system, the drives (2�1?, 2�2?, 2�3?) of which are connected by means of a b...
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WO/1998/037297A1 |
An operating system for electrically operated devices such as doors, windows, screening devices and the like, comprises a number of program controlled drive units (101-104) each with a drive unit casing containing a motion transfer membe...
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WO/1998/034336A1 |
The invention relates to a driving mechanism for components of industrial installations, in particular for primary industry installations. The mechanism has at least one electric motor and at least one converter with driving mechanism va...
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WO/1998/019389A1 |
A rotating machine integrated with a controller, which can reduce the manufacturing cost of a variable speed pump, fan, etc., and can easily set a control program at the site of installation, and an inverter suitable for the rotating mac...
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WO/1998/007519A1 |
The invention concerns a plant for the coarse crushing of articles comprising a first shaft (32) for driving the articles and a second shaft (38) for shredding the driven articles. The plant comprises: a first motor (36) coupled with the...
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WO/1997/040428A1 |
A unified modular system (A) of drives and controls for a mobile robotic application includes a first control module (4a) that covers a full range of commonly used speeds and motions. Second and subsequent drive modules (8) can be chaine...
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WO/1997/004512A1 |
A control system for controlling a plurality of electrical devices (6) the system including a central controller (2) for controlling functions of the devices, a network (4) coupled between the central controller (2) and the devices, the ...
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WO/1997/002650A1 |
A unit for controlling the synchronization of a complex machine during power failures or losses, wherein the machine comprises a plurality of motorized devices (A1, A2, A3) for the movement and control of the various components, and wher...
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