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WO/2012/059699 |
The present invention relates to a professional electric hair dryer comprising a housing containing a brushless electric motor (10) driving a blowing means (11), an electric heating element (12) and a supply circuit including a direct-cu...
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WO/2012/059248 |
Electric-motor motor-vehicle liquid delivery pumps (10) having an electrically commutated motor stator (12) and a permanently excited motor rotor (14), wherein a separating can (16) separates the wet region (22) with the motor rotor (14)...
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WO/2012/052577 |
The invention relates to a direct current electric motor without external rotor brushes, including a connector group (9) consisting of one or more overmolded insulating elements on the central portion of metal connection pins that go thr...
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WO/2012/040542 |
A method and apparatus for reducing or eliminating the effects of torque ripple and cogging torque and otherwise improving performance in an electromechanical machine such as a motor or generator. The rotor and/or stator is conceptually ...
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WO/2012/023245 |
A motor includes a bracket including a circumferential wall portion and an end wall portion, and arranged to accommodate a rotor, a stator, etc. A shaft support portion is arranged on an inside of the end wall portion to rotatably suppor...
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WO/2012/009303 |
An electric machine including a stator having a body provided with at least one alignment member, and a resolver positioned relative to the stator. The resolver includes at least one alignment element. An alignment adaptor is configured ...
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WO/2012/008248 |
Provided is a flat type vibration motor capable of being mounted on a device-side board by a reflow process and capable of being reduced in occupied area. The motor comprises: a stator substrate (12) abutted by one end of a spindle (1); ...
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WO/2012/008135 |
A brushless motor is provided with a stator including a stator core, a rotor, a circuit board, a circuit-board supporting member for supporting the circuit board, a motor case having notch sections at an opening section thereof, and a ca...
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WO/2011/155875 |
The invention relates to electric machines and can be used in the design and manufacture of switched induction motors with an annular excitation winding located on a stator. The technical result of the utility model is a reduction in the...
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WO/2011/147935 |
A permanent magnet multipole alternator for electrical energy generation systems, comprising an external rotor (18) mechanically connectable to a mechanical energy source of variable rotational velocity, and provided with permanent magne...
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WO/2011/143683 |
The invention relates to a method for reducing a cogging torque of an electric machine, in particular a synchronous machine, comprising a rotor/actuator (2), a stator (4) spaced from the rotor/actuator (2) by a gap (3), at least one arma...
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WO/2011/145791 |
The present invention relates to a brushless DC (BLDC) motor, and more particularly, to a BLDC motor in which: a rotor includes a permanent magnet, and neither a brush nor a commutator; a field pole is disposed so as to have a coil of a ...
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WO/2011/137689 |
A vacuum dynamic seal precise transmission mechanism comprises a velocity measuring subassembly (60). The velocity measuring subassembly (60) includes a photoelectric sensor (62), an induction piece (66) and a sensor fixing seat (64). Th...
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WO/2011/130969 |
An outer-rotor brushless motor system comprises an outer-rotor brushless motor (10) and a driver (20). The outer-rotor brushless motor (10) comprises a central shaft (11), bearings (12), a casing (13), permanent magnets (14), a stator ar...
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WO/2011/127960 |
In order to address a cogging problem a rotor 200 for an electrical machine comprises a plurality of pole sections 201 with adjacent poles 202 within each of the pole sections 201 being distanced by a first uniform pole pitch 203. Adjace...
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WO/2011/124233 |
What is proposed is: a system for supplying power to and controlling a polyphase brushless machine, said system consisting of: a plurality of bidirectional controlled rectifiers, the inputs of which are coupled to an AC system; units for...
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WO/2011/120769 |
A linear motor for a linear compressor comprises a motor coil (120) for generating a magnetic field, an armature which can be deflected linearly in a deflection direction by the field generated by the motor coil (120), and a sensor arran...
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WO/2011/114912 |
Provided is a bearingless motor wherein torque and magnetic bearing power can be obtained by one type of winding. The bearingless motor is provided with a rotor (11) in which permanent magnets (17) are disposed in the circumferential dir...
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WO/2011/107693 |
The invention relates to a polydiscoid electric machine comprising magnets, comprising a number M of even phases, a plurality of discoid rotors arranged coaxially along an axis of rotation, a plurality of pairs of stators consisting of a...
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WO/2011/108239 |
Provided is a motor, wherein a brushless type motor can be directly driven by a conventional non-smoothing inverter circuit or a matrix converter circuit for brush motors that use single-phase 100V. A magnetic pulsation motor, which has ...
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WO/2011/107693 |
The invention relates to a polydiscoid electric machine comprising magnets, comprising a number M of even phases, a plurality of discoid rotors arranged coaxially along an axis of rotation, a plurality of pairs of stators consisting of a...
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WO/2011/082852 |
The invention relates to a method for operating a controller (3) for detecting a position of a runner of an electrical machine (2), particularly a rotor position of a rotor, having the following steps: monitoring (S1) a supply line of th...
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WO/2011/083530 |
Disclosed is a brushless motor (1A) which is an axial gap type brushless motor (1A) wherein stators (3A, 4A) comprising a coil (41) and a rotor (2) comprising a permanent magnet (23) are arranged with a gap therebetween in the axial dire...
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WO/2011/077483 |
Provided is a disc-type coil which ensures a sufficiently high value of a current that is made to flow in order to improve output. The disc-type coil is provided with: a disc-like insulating substrate (1); a conductor pattern (2) which i...
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WO/2011/073799 |
An electromagnetic motor system with no counter/back electromotive force due to the ability of the system to change from one magnetic state to another magnetic state in a defined sequence. In the first state a kinetic energy component is...
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WO/2011/067723 |
Endodontic device (1), comprising: - a file (3) apt to remove by abrasion the dental material by a rotary working motion; - a AC or DC motor (2), apt to drive the file (3) in said working motion according to two opposite verses of rotati...
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WO/2011/051555 |
Magnetic poles of a permanent magnet rotor composed of rotor segments (101- 04) are positioned in a manner that a tangential interval between magnetic axes (114, 116) of adjacent magnetic poles belonging to neighboring rotor segments (10...
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WO/2011/049543 |
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...
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WO/2011/045479 |
The electric machine having stationary or movable spiral coils according to the invention includes three portions (Pl, P2, P3), two portions of which (P1, P2) include two magnetized structures (PMl, El5 E2), (PM2, E3, E4) each comprising...
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WO/2011/042472 |
The invention relates to an electric motorized actuator (1), having an electric motor (2), sensors (3) for detecting the rotation of a rotor (5) of the electric motor (2), electronics (4) for controlling the electric motor (2) in an open...
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WO/2011/036348 |
The invention relates to a measuring arrangement (1 ), an electric drive (15) and an elevator system (18) for determining the position and/or movement of the rotor (3) of an electric machine (2). The measuring arrangement comprises a mag...
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WO/2011/033520 |
The given electrical machine includes a modular concept for stator coils and their excitation to get high current at low voltage under changing operating conditions of a joint engine or drive system. The optimal adjustment of the machine...
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WO/2011/033520 |
The present invention relates to a motor cum generator. In particular the present invention relates to a motor cum generator that is capable of being coupled with a power assisting system that is capable of being integrated with vehicle ...
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WO/2011/029213 |
A brushless DC motor, includes: a rotor, on which magnetic poles are evenly disposed along circumferential direction, and a stator, on which multiple coils are disposed. Said multiple coils are unevenly distributed on said stator along t...
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WO/2011/017826 |
A permanent magnet brushless DC motor with multi-phase windings and the control method and the control circuit thereof. The motor includes a rotor, a stator (2) disposed outside the rotor, multi-phase stator windings (3) arranged on the ...
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WO/2011/012079 |
A motor includes a stator (1), a rotor (2), a front end cover (3) and a rear end cover (4). The front end cover (3) and the rear end cover (4) are both composed of a bearing pedestal (51, 52), connecting tendons (6), a ring-shaped cover ...
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WO/2011/009401 |
A non-computer-controlled switched reluctance motor is composed of a motor body and a signal controller composed of a signal generator and a power output unit. The signal generator is composed of a switch disc (1) and a sensor disc. The ...
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WO/2010/150527 |
Electronic circuits (50, 70), including semiconductor modules (501-506) and capacitors (701-706), are disposed in the axis direction of a motor (30). The semiconductor modules (501-506) are perpendicularly disposed in contact with a heat...
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WO/2010/150529 |
A heat sink (50) has two heat dissipating blocks (51). Each of the heat dissipating blocks (51) has a wide columnar shape. Each of the heat dissipating blocks (51) has connecting sections (54, 55) on both the ends. In each of the connect...
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WO/2010/150528 |
The heat sink (50) of a drive device (1) has a heat receiving surface (59) which is formed in the rising direction from an end wall (13) in the axis direction of a motor case (10). A power module (60) has a molded section (61) and is dis...
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WO/2010/150530 |
The heat sink (50) of a drive device (1) has a heat receiving surface (59) which is formed in the rising direction from an end wall (13) in the axis direction of a motor case (10). A power module (60) is disposed along the heat receiving...
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WO/2010/146368 |
A five-phase electrical machine comprises a first member and a second member, wherein:- one of the first member and the second member is arranged to be operable as a rotor and the other of the first member and the second member is arrang...
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WO/2010/145841 |
The invention relates to an advantageously 12-slot stator (2) for a preferably 10-pole brushless electric motor (1) having an even number of stator teeth (8), which, starting from a yoke (7), protrude radially inward, and having pole pla...
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WO/2010/140840 |
The clamping device of spindle motor is disclosed, wherein a case portion contacted by the other distal end of the arms is inclined due to depression of a distal end of the arms by the disk, such that the arms linearly moves into the cas...
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WO/2010/140840 |
The clamping device of spindle motor is disclosed, wherein a case portion contacted by the other distal end of the arms is inclined due to depression of a distal end of the arms by the disk, such that the arms linearly moves into the cas...
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WO/2010/134368 |
A permanent-magnet motor is provided with; a stator (7) having stator coils (10) for each of the phases that are wound around a stator core (9), and a magnetic pole teeth (8) formed corresponding to the stator coils (10) for each of the ...
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WO/2010/130894 |
The invention relates to a three-phase electric motor that uses high magnetic energy permanent magnets and that has a low detent torque. The motor consists of a rotor (2) with N pairs of poles and of a stator portion (1) with teeth (11 t...
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WO/2010/128820 |
An apparatus for rotating a disc is disclosed, wherein the apparatus for rotating the disc includes a rotation shaft; a turn table coupled to the rotation shaft and having a felt that makes contact with a disc; a center guide member inse...
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WO/2010/128820 |
An apparatus for rotating a disc is disclosed, wherein the apparatus for rotating the disc includes a rotation shaft; a turn table coupled to the rotation shaft and having a felt that makes contact with a disc; a center guide member inse...
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WO/2010/127891 |
The invention relates to an electric machine (1) comprising: a rotor (4) having 14 rotor poles (8), which is rotatably arranged about a center axis, a stator (2) having 18 stator teeth (3) extending in a radial direction with respect to ...
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