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Matches 401 - 450 out of 15,981

Document Document Title
WO/2010/146368A3
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...  
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/2011/067723A3
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...  
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/2011/051555A3
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...  
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/2011/107693A3
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/2011/130969A1
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/2010/100463A3
An electric machine (10) comprising a permanent-magnet rotor (11) and a stator (12). The stator (12) comprises a plurality of poles(18,19), each pole having a leading edge (27) and a trailing edge (28) relative to the direction of rotati...  
WO/2010/100465A3
An electric machine (1) comprising a stator (3) and a Hall-effect sensor (4), wherein the stator (3) comprises a pair of asymmetric poles (8,9) and the sensor (4) is oriented such that the plane of the sensor (4) is substantially paralle...  
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/2010/145841A3
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...  
WO/2010/127891A3
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 ...  
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/2010/092403A3
An electric machine (10; 100) comprises a rotor (14) having permanent magnets (24) and a stator (12) having coils (22) wound on stator bars (16) for interaction with the magnets across an air gap (26a, b) defined between them. The rotor ...  
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/2011/045479A3
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...  
WO/2011/033520A3
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...  
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/2010/140840A3
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/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/2010/128820A3
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/2010/082007A3
The present invention relates to an automatically switched photovoltaic motor (100) which does not require any magnets, switching devices or converters. To this end, each coil (104) of the invention is connected directly to a photovoltai...  
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/2010/118487A3
The present model relates to a housing for the control electronics of a brushless direct-current motor of a fuel pump, wherein the housing (11 ) contains a control integrated circuit. The housing (11) is composed of a basic housing (1 ) ...  
WO/2010/066493A3
The invention relates to a stator in an electric motor having a plurality of individual stator elements which form support teeth, are arranged around the periphery of said stator and each of which is provided with a coil. The electric co...  
WO/2010/066491A3
The invention relates to an electric motor having a stator in a motor housing and a rotor shaft that is mounted in a stator housing. According to the invention, a respective bearing plate is located on opposite end faces of the motor hou...  
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/2010/118486A4
One describes a housing (11 ) for the control electronics(2) of a brushless direct current motor coupled to a fuel pump (9), the housing (11 ) containing a control integrated circuit (2) and being -sealed from the external environment, w...  
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/2010/118485A4
The present model relates to a housing (10) for the control electronics of a brushless direct-current motor, the housing (10) containing a control integrated circuit. The housing (10) is composed by a basic housing (1) for the control el...  
WO/2010/066512A3
The invention relates to a stator in an electric motor having a plurality of individual stator elements that form support teeth and are arranged around the periphery of said stator. Each support tooth is provided with a wound coil and th...  
WO/2010/066492A3
The invention relates to a stator in an electric motor having a plurality of individual stator elements that form support teeth and are arranged around the periphery of said stator. Each support tooth is provided with a wound coil and de...  
WO/2010/023038A3
The invention relates to an electric machine, in particular to a generator for supplying the electrical system of a motor vehicle, comprising a laminated rotor (20) with an energiser winding (29), which provides the energisation for the ...  

Matches 401 - 450 out of 15,981