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WO/2024/091821A1 |
An electric rotary torque motor, including a stator, including a yoke, a plurality of teeth extending radially inward from the yoke and separated circumferentially by slots, the plurality of teeth forming a radially inward facing surface...
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WO/2024/081398A1 |
A limited rotation motor system is disclosed that includes a stator within a housing, a rotor rotatably coupled within the stator by a first bearing system at a proximal end and a second bearing system at a distal end, each of said first...
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WO/2024/054587A1 |
The subject matter of this specification can be embodied in, among other things, a torque motor that includes a base carrying an armature, said armature carrying an elongated body extending from a first elongate body end to a second elon...
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WO/2023/222832A1 |
The invention relates to a spherical electromagnetic actuator. The spherical electromagnetic actuator including a spherical permanent magnet having a center region, a housing comprising a chamber enclosing the spherical magnet and having...
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WO/2023/179856A1 |
The invention relates to an actuator (1) comprising an output shaft (3), which can be driven in rotation using an electric drive motor (2), wherein the output shaft (3) of the actuator (1) is connected or can be coupled to a drive shaft ...
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WO/2023/117117A1 |
An electromagnetic actuator (1) configured to generate movement of at least one optical module (2), said electromagnetic actuator (1) comprising a magnet (3) arranged in nesting configuration with an electromagnetic coil (4) in a first p...
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WO/2023/079355A1 |
The invention is a motorized transmission system (1, 2, 3, 4) for transmitting a translational motion to a carriage (40) along a first direction (X), said system (1, 2, 3, 4) comprising a fixed frame (10), a screw shaft (20), a lead scre...
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WO/2022/101298A1 |
The invention relates to a bistable electromagnetic actuator (in direction A' or B') comprising a casing (11') extending partially around an axis of rotation (X) of the actuator, an excitation coil (12') supported by the casing (11') cap...
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WO/2022/101354A1 |
The invention relates to a direct-current electric motor (100) for the drive of a liftgate of a vehicle. The direct-current electric motor (100) comprises a rotor (102) and a stator. The rotor (102) is mounted for rotation about an axis ...
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WO/2022/008371A1 |
The invention relates to a torque motor configured to enable the positioning of a moving object, comprising an armature (16) configured to be capable of rotating about an axial direction (18) through the application of electromagnetic to...
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WO/2021/078664A1 |
The invention relates to a steer-by-wire steering system (1) for a motor vehicle, said steering system comprising a steering shaft (2) and a feedback actuator (4) that acts on the steering shaft (2), wherein the feedback actuator (4) com...
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WO/2019/162955A1 |
A Frame Free Gearless Synchronous torque motor consists of Stator iron core, rotor core, rotor shaft, Front End plate, Rear End plate, winding of the stator iron core disposed in the middle of rotor having rotor shaft connected at centra...
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WO/2019/122299A1 |
The present invention concerns a brushless rotary actuator with travel limited by two stops, comprising a wound stator (14, 15) and a magnetic cylindrical rotor (21) rigidly attached to a shaft (7) having a first end rigidly attached to ...
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WO/2019/031677A1 |
The present invention relates to a variable-flux universal motor having a flux regulator. When the flux regulator is rotated, rotational speed is regulated while flux flow changes. A variable-speed universal motor according to the presen...
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WO/2018/114326A1 |
The invention relates to a galvanometer drive having a rotor (3) which can rotate about a rotational axis (2) and is formed, at least in one section, by a permanent magnet (4), and a stator (5) which surrounds the permanent magnet (4) an...
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WO/2018/080694A1 |
One example device includes a rotor platform that rotates about an axis of rotation. The device also includes a ring magnet mounted to the rotor platform to provide a rotor-platform magnetic field. The device also includes a stator platf...
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WO/2017/144031A1 |
The invention relates to an electromagnetic device for eliminating a yarn loop during the process of winding yarn on a cross-wound bobbin on a spinning machine at a constant speed of the yarn production, which comprises a cylindrical two...
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WO/2017/132220A1 |
A torque motor has a mechanical reference member, an armature, and a field assembly. The field assembly includes field pole pieces defining a pole opening, and the armature is mounted to the mechanical reference member for rotation about...
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WO/2016/192308A1 |
Disclosed is a method for balancing an external force load in a machine tool spindle motor, which belongs to the field of spindle motor control. In the method, a multidimensional electromagnetic force output of a motor is used, and a cur...
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WO/2015/173037A1 |
Actuator (8, 8') comprising an electric motor (10) with a rotary output shaft (34) and an output member (14) that can be switched between two angular positions which is fixed to the output shaft. The actuator comprises a rocker mechanism...
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WO/2015/073435A2 |
In one aspect, an actuator assembly is disclosed, which includes an input shaft, an output shaft, and a limited angle actuator that is coupled to the input shaft for rotating the input shaft to generate an input torque profile over an in...
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WO/2015/025033A1 |
The invention relates to a motor vehicle lock with an actuating element (2) adjustable about an actuating element axis (1), in particular a control shaft, and with a drive (3) for adjusting the actuating element (2), wherein the drive (3...
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WO/2015/004341A1 |
The present invention relates to an electromagnetic actuator (1) having an operational angular range having multiple air gaps (4), wherein said actuator (1) comprises at least three elements (2) having magnets spaced apart from one anoth...
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WO/2014/177133A1 |
The invention relates to a scanner device having a mirror arranged so as to be pivotable about an axis of rotation, an iron core with an air gap, a coil arranged about a portion of the iron core, and two permanent magnets. The two magnet...
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WO/2014/076247A1 |
The invention relates to a magnetic brake having reduced-notching hysteresis comprising a stator provided with at least one control coil and a rotor that is movably mounted opposite the poles of the stator, characterized in that the brak...
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WO/2014/016041A1 |
The invention relates to an arrangement (1) for monitoring the state of an electric contact (2) in a generator, in which the state of the electric contact is detected by means of an infra red camera (3) and is captured when in operation.
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WO/2013/087412A1 |
The aim of the invention is to improve the power density of transversal flux machines. Therefore, a transversal flux machine is provided with a first active part and a second active part (1) which, in order to move along a predefined mov...
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WO/2012/056213A1 |
An electric servo assistance unit for use in a power steering system comprises a stator (10) comprising a plurality of magnets and a rotor (8) comprising a plurality of coil windings, a input shaft (1) and output shaft connected by a def...
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WO/2010/078082A1 |
An actuator system has a external rotor motor (22) having: (i) an internal armature configured as a stator (22) having a set of coils (66) wrapped around a set of arms, and (ii) an external permanent magnet (64) rotor having a set of pol...
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WO/2009/024104A2 |
The drive (1) for machines, especially for machine-tools, formed by the moment motor (3) and by the mounting system (27), an integral part of its solid part (24) being the stator (9) of the moment motor (3) and an integral part of its re...
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WO/2008/128130A1 |
An actuator includes an iron member having a shape selected to define a first opening in a central portion thereof and a plurality of armature openings in a periphery thereof and having a gap extending from the first opening to the plura...
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WO/2008/001121A1 |
A motor arrangement having a rotor with a north rotor magnetic pole and a south rotor magnetic pole, the rotor being rotatable about a rotor axis between a first rotor position and a second position, the rotor including a first rotor abu...
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WO/2007/121759A1 |
The invention specifies a motor unit (1), which has a housing (2) and an electric motor, whose output shaft (8) is connected to an input shaft (11) via pulleys (10) and a belt (5). It is desirable to provide a compact motor unit which ca...
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WO/2007/107218A1 |
The invention relates to a segmented drive, having a rotor (1) bearing a plurality of permanent magnets (2), wherein the permanent magnets (2) are arranged in a first subregion of the circumference of the rotor, and a bearing (5) for val...
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WO/2007/022977A1 |
The invention relates to a rotor pertaining to an electromotive valve actuating device. Said rotor is formed from two cones (2) which face each other with the bottom walls (2a) thereof. A plurality of permanent magnets (8) are arranged o...
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WO/2007/009851A1 |
The invention relates to a machine tool having a work spindle (3) rotationally driven continuously by a work spindle motor (2) during the machining of a workpiece (1) and having a tool spindle (5) rotationally driven continuously by a to...
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WO/2005/071817A1 |
The invention relates to an electric segment motor (01) for producing a swiveling movement, comprising a stationary stator (11, 12) and a swivel-mounted rotor (03). Said stator (11, 12) has at least on magnetic circuit (10) excited by at...
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WO/2005/064775A1 |
A limited rotation motor system that includes a rotor is disclosed wherein the rotor includes a sleeve (10) with a first open end and an a second end having an integral closed end element (16), and a permanent magnet (14) that is receive...
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WO/2005/057051A1 |
An electric actuator (10) capable of rapidly and smoothly switching a transmission torque and allowing a device cost to be lowered and a device size to be reduced and a control device thereof, the electric actuator (10) comprising a moto...
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WO/2005/024877A1 |
The invention relates to a rotating electric motor (5) for operating an electric component. The motor is arranged for an operating movement during a limited predetermined angular motion of the rotor of the motor. An electric drive circui...
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WO/2005/015713A1 |
A magnetic bi-stable latch with an upper stator (12); and a lower stator (14), a rotor (26) between the upper stator (12) and lower stator,(14) and adapted for rotation between a first latched position and a second latched position: Each...
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WO/2004/109140A1 |
This invention describes a clutch actuator based on electric motor and generator machines, intended to be used in all motor vehicles in general. Basically it is an innovative way to produce heavy forces, with small displacement, to actua...
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WO/2004/109139A1 |
This invention describes an automated clutch actuation system, with short response time, based on the principles of rotary electric motor and generator machines, intended to be used in all motor vehicle’s in general. The required elect...
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WO/2004/091078A1 |
A rotary actuator comprises a stator having a plurality of permanent magnets (1a, 1b), a rotor having a rotor core (3) formed with a plurality of salient poles (3a, 3a) and a rotor coil (5) wound on the rotor core (3), a magnetic torque ...
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WO/2004/091077A1 |
Salient poles (3a, 3a) are formed on a rotor core (3) such that their surfaces opposed to permanent magnets (1a, 1b) are each formed of an arc whose radius varies according to places, its middle and its borders. Further, the angle betwee...
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WO/2004/082106A1 |
Device (100) for producing torque, the device including an armature (102) made of a printed circuit board, at least one winding (124) formed on the armature in a substantially rectangular spiral path, at least one magnetic field inducer ...
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WO/2004/073139A2 |
A torque motor (20) has a base (21), four polepieces (22A, 22B, 22C, 22D) extending away from the base, the polepieces being separated from one another and being arranged at the corners of an imaginary polygon (27), each polepiece termin...
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WO/2004/068675A1 |
A limited rotation torque motor is disclosed including a rotor with at least one pair of magnetic poles and a stator with at least one pair of stator coils. Each stator coil includes a plurality of layers of interconnected flexible circu...
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WO/2004/066476A1 |
The invention concerns a single-phase electromagnetic actuator with limited working stroke (c), comprising a stator part (5) consisting of at least 2N poles, N being an integer, excited by at least one excitation coil (8), and a mobile c...
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WO/2004/017499A1 |
A limited rotation torque motor is disclosed that includes a rotor and a stator. The rotor includes a plurality of pairs of magnetic poles (32, 34, 36, 38) and the stator includes a plurality of pairs of stator coils (42, 44, 46, 48). Ea...
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