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Matches 501 - 550 out of 12,918

Document Document Title
WO/2012/099502A1
The invention relates to the field of electrical engineering, in particular to electrical machines, and concerns the design of valved direct current generators. The essence of the invention is that working windings, connected in parallel...  
WO/2012/098943A1
In the present invention, a rotor resin assembly (100) of a motor rotor (200) is provided with: a rotor magnet having an approximately cylindrical yoke, which is formed from a thermoplastic resin containing ferrite or a soft magnetic bod...  
WO/2012/099235A1
[Problem] To provide a single-phase full-wave rectification-type or a two-phase half-wave rectification-type DC brushless motor which is controlled more easily and more inexpensively than when a three (or more)-phase brushless motor is c...  
WO/2012/085442A1
Tooth (1) for homopolar motor, characterized in that it comprises a gap face (6) opposite a facing surface, a gap distance d(9) measured between said surface and said gap face (6) being such that: - over a first tangential distance, meas...  
WO/2012/085412A2
Method making it possible to provide data relating to the position of a rotor of an electric machine, characterized in that it comprises: • the application of a voltage (V123) by an electronic variator to an electric machine, said elec...  
WO/2012/086050A1
Provided is a press board laminate, which is formed by laminating a plurality of punched metal boards, and suppresses dropping of burrs at the time of assembling a press-fitting member to the press board laminate. A press board laminate ...  
WO/2012/070255A1
The present invention is provided with: a housing-side bearing which is disposed on the output side of the shaft of a rotor disposed within a frame and which is supported by a housing connected to the frame; and a frame-side bearing disp...  
WO/2012/069447A1
The invention relates essentially to a photovoltaic motor comprising: - a stator comprising coils, - a rotor positioned inside the stator, - a switching circuit (21) comprising at least one sector (23) composed of one or more photovoltai...  
WO/2012/059248A1
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)...  
WO/2012/059699A1
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...  
WO/2012/052577A1
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...  
WO/2012/040542A1
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 ...  
WO/2012/023245A1
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...  
WO/2012/009303A2
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 ...  
WO/2012/008135A1
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...  
WO/2012/008248A1
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); ...  
WO/2011/155875A1
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...  
WO/2011/147935A1
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...  
WO/2011/145791A1
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 ...  
WO/2011/143683A1
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...  
WO/2011/137689A1
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...  
WO/2011/130969A1
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...  
WO/2011/127960A1
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...  
WO/2011/124233A1
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...  
WO/2011/120769A1
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...  
WO/2011/114912A1
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...  
WO/2011/107693A2
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...  
WO/2011/108239A1
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 ...  
WO/2011/083530A1
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...  
WO/2011/082852A1
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...  
WO/2011/077483A1
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...  
WO/2011/073799A2
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...  
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/2011/042472A1
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...  
WO/2011/036348A1
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...  
WO/2011/033520A2
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 ...  
WO/2011/029213A1
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...  
WO/2011/017826A1
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 ...  
WO/2011/012079A1
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 ...  
WO/2011/009401A1
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 ...  
WO/2010/150528A1
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...  
WO/2010/150527A1
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...  
WO/2010/150529A1
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...  
WO/2010/150530A1
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...  
WO/2010/140840A2
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...  
WO/2010/134368A1
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 ...  
WO/2010/130894A1
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...  
WO/2010/128820A2
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...  
WO/2010/124598A1
A servo power steering system and a control method thereof are provided. The servo power steering system comprises a steering wheel (1), a first steering shaft (2), a second steering shaft (3), a speed reducer (4), a steering mechanism (...  
WO/2010/124626A1
An electric sewing machine includes a sewing machine head, a frame, double motors and a controller. The sewing machine is driven by the double motors, which means the main shaft and the bottom shaft of the sewing machine are driven respe...  

Matches 501 - 550 out of 12,918