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Patent Searching and Data


Matches 501 - 550 out of 10,808

Document Document Title
WO/2009/122596A1
Provided is a rotary electric machine in which permanent magnets can be stably held, and the demagnetization of the permanent magnets due to heat is suppressed by effectively dissipating the heat of the permanent magnets by means of heat...  
WO/2009/118135A1
The method is used to start up a multiphase electric motor operating in star-connected mode. The method provides for conductive bridging of at least one coil portion of one phase of the motor and electrical separation of the bridged coi...  
WO/2009/116164A1
A rotating electrical machine for a vehicle, in which an eternal magnet is arranged and the wire of a field coil is thicker, is obtained by providing a valley portion in a yoke portion, providing a magnet holding tool for holding an eter...  
WO/2009/101786A1
Provided is a generator, the output of which is improved by rotating a stator in the direction opposite to the rotating direction of a rotor. A stator (60) is borne concentrically rotatably through at least two front cover bearings (41) ...  
WO/2009/101674A1
A rotating electrical machine can stably hold permanent magnets in trough parts formed in parts positioned between adjacent pawl-like magnetic pole parts in cut parts. In the rotating electrical machine, first and second magnet holding t...  
WO/2009/101710A1
A rotating electrical machine for realizing the longer life of a belt by suppressing an increase in the inertia of a rotator, and realizing high output by increasing field electromotive force is achieved. In the rotating electrical machi...  
WO/2009/081033A2
The invention relates to a rotary electric machine (10) that comprises: a fixed casing (36); a central shaft (12) rotatingly mounted about the axis (B) thereof in the fixed casing (32); a rotor (14) mounted on and connected to the centra...  
WO/2009/077687A2
The invention relates to a method for controlling a self-piloted alternator-starter for starting or restarting the thermal engine of an automobile, wherein said alternator-starter includes a rotor rotating in a stator, and a belt for tra...  
WO/2009/027938A4
The invention relates to a current-energized synchronous motor (1) which is suitable in particular for vehicle drives. It consists of a stator (2) and a rotor (3) carrying the energizer winding (7), the rotor (3) having at least two roto...  
WO/2009/072316A1
A rotary electric machine in which transmission of heat generated from the surface of a claw pole to a permanent magnet is suppressed by separating the permanent magnet from the claw pole and holding it on the yoke side thereby enhancing...  
WO/2007/032898A3
A system and method for generating power. A plurality of superconductive electromagnet pairs are disposed around a stationary coil in a circular pattern. The electromagnets of each respective electromagnet pair are positioned on opposing...  
WO/2009/057467A1
A plurality of salient poles (19) projecting toward a stator (12) are arranged on a rotor core (16) along the circumferential direction while spaced apart from each other, and rotor windings (18n, 18s) are wound around these salient pole...  
WO/2009/026690A3
A variable speed multi-stage reluctance motor or generator consisting of a number of spaced apart stator and rotor stages along a common shaft with an axis of rotation. Each stage of the rotor and stator pair has an equal number of stato...  
WO/2009/056879A1
An electrical machine comprising a rotor (11) with magnetic saliency but without windings, a stator (101) having stator teeth, the stator carrying armature windings (106, 111) wound with a pitch corresponding to a plurality of stator tee...  
WO/2006/121225A3
A rotor of a synchronous reluctance motor (100), comprising: a laminated core (110) formed by laminating a plurality of silicon steel sheets (111 ), and having a barrier (113) formed at each of regions equally divided on the basis of the...  
WO/2009/027938A3
The invention relates to a current-energized synchronous motor (1) which is suitable in particular for vehicle drives. It consists of a stator (2) and a rotor (3) carrying the energizer winding (7), the rotor (3) having at least two roto...  
WO/2009/051515A1
The invention relates to a synchronous slow-running electrical machine which can be used, in particular, as motor-in-wheel drives or slow-running power generators for wind mills. The inventive machine comprises a stator with a multiphase...  
WO/2009/051514A1
The invention relates to electromechanical converters substantially used for slow-running (low-speed) drives. The inventive electromechanical converter can be used as a motor-in-wheel for transportation means, a lift drive motor, electri...  
WO/2009/044767A1
A rotating machine which can suppress increase in manufacturing cost. The rotating machine (2) comprises a plurality of windings (L1-L3), and a switch circuit (1). The plurality of windings (L1-L3) have ends on one side connected with a ...  
WO/2009/028228A1
A dynamo-electric machine in which reliability of holding a permanent magnet is enhanced while reducing the assembling steps, and no-load non-exciting induction voltage can be suppressed by avoiding thermal demagnetization of the permane...  
WO/2009/026690A2
A variable speed multi-stage reluctance motor or generator consisting of a number of spaced apart stator and rotor stages along a common shaft with an axis of rotation. Each stage of the rotor and stator pair has an equal number of stato...  
WO/2009/027938A2
The invention relates to a current-energized synchronous motor (1) which is suitable in particular for vehicle drives. It consists of a stator (2) and a rotor (3) carrying the energizer winding (7), the rotor (3) having at least two roto...  
WO/2009/004003A3
The invention relates to a potting method and a device (100) for potting an excitation circuit that is arranged inside a rotor body. Said excitation circuit has a circuit board (102, 103) having contacts (103, 103') on the edge of said c...  
WO/2009/019779A1
Provided is a brushless AC generator of a simple structure for a vehicle in which the cooling performance for an exciting coil can be increased, thereby increasing the generating output. The AC generator comprises an external fan (11) fi...  
WO/2007/117412A3
An axial gap dynamoelectric machine comprises first and second stators (42, 44) disposed coaxially with an intermediate rotor (40). The stators are selectively aligned with an axial offset between the positions of their respective teeth ...  
WO/2009/015517A1
A permanent magnet synchronous array-type AC motor without bearings includes a rotor that uses U-shape permanent magnets and a stator that uses U-shape windings. An appropriate combination of the number of the rotor poles and the number ...  
WO/2009/014172A1
Since a permanent magnet (10) with an arc-shaped outer circumferential surface is buried into an iron core (20), a gap magnetic distribution is not disturbed, there are no apprehensions of increase in torque ripples and voltage ripples, ...  
WO/2009/004003A2
The invention relates to a potting method and a device (100) for potting an excitation circuit that is arranged inside a rotor body. Said excitation circuit has a circuit board (102, 103) having contacts (103, 103') on the edge of said c...  
WO/2009/004199A2
The shaft supporting system for an electric motor (1) comprises an instrumented rolling bearing (31) provided with a rotating race (34) intended to be mounted on said shaft and with a non-rotating race (33), a unit (32) for detecting rot...  
WO/2008/140924A1
Brushless Multiphase Self-Commutation Control (or BMSCC), also known as Real Time Emulation Control (or RTEC), is a contact-less means for powering any electric apparatus with "conditioned" or "re-fabricated" multiphase electrical excita...  
WO/2008/129002A1
The present invention relates to an exciter machine comprising an auxiliary exciter machine (2, 3) and a fan (1). In order to achieve a compact design of the exciter machine, the fan (1) arranged on one side of the exciter machine compri...  
WO/2007/127658A3
A rotor for a motor includes a plurality of laminations. Each lamination includes a central opening having an outer surface. The outer surface is defined by a continuous non-circular curve. A shaft includes a cylindrical portion configur...  
WO/2008/125251A1
The invention relates to an energy accumulator comprising an electrical machine (12) with a rotor (14) and a stator (16), the stator (16) being separated from the rotor (14) by an air gap (18) and comprising at least one stator coil (20)...  
WO/2008/096062A3
The electric machine of the invention operates in a synchronous manner based on the principle of reluctance variation. It comprises the following combination: a fixed portion (1) with notches (11) for receiving armature coils (12) connec...  
WO/2008/123636A1
The present invention provides a method of designing a rotor having optimal power factor and torque, and a structure of the rotor designed and manufactured in the design method, in which in order to reduce q- axial flux leakage flux of a...  
WO/2008/119864A1
The invention relates to a wind turbine generator comprising independent windings, said generator comprising a converter system (1) which is used to couple a generator (2) of a wind turbine to a network (3) and comprises N1 converter mod...  
WO/2008/090616A1
The rectifier of an inventive AC generator comprises a first heat sink; first unidirectional conduction elements arranged at intervals on the surface of the first heat sink; a second heat sink provided spaced apart from the first heat si...  
WO/2008/030109A3
A synchronous motor having phase windings which are split or tapped and in which the conduction angle of the applied alternating current is varied at one or more taps to allow the motor to start in a controlled direction and be torque co...  
WO/2008/077841A1
The invention relates to a method for monitoring the transmissivity of an energy transmission element for a protective earth conductor and to an electrical machine with such transmissivity monitoring. For a cost-effective solution for tr...  
WO/2008/049958A3
The object of the invention is an arrangement in a synchronous machine, which synchronous machine contains n-phased winding (U,V,W) and has constantly operating magnetisation means. According to the invention, switching means have been f...  
WO/2008/061312A1
The present invention relates to an alternator (100) including: a stator (1); a rotor (2); adapted to be driven by a motive power means (10) the stator (1) having a plurality of spaced apart teeth 20.1 defining a plurality of winding slo...  
WO/2008/057106A1
An electromechanical actuator (EMA) is provided. The EMA includes a threaded output ram connectable to a mechanical component and at least one motor module engageable with the output ram for controllably translating the output ram along ...  
WO/2008/047959A1
Disclosed is a switched reluctance motor which can reduce noise and prevent overheating in rotation of a rotor. The switched reluctance motor includes: a stator core having a plurality of inwardly protruded poles at predetermined interva...  
WO/2008/044347A1
Provided is a revolving electric device, which can enhance the retention reliability of a permanent magnet, which can suppress an induced voltage of neither load nor excitation and which can avoid the thermal demagnetization of the magne...  
WO/2008/030109A2
A synchronous motor having phase windings which are split or tapped and in which the conduction angle of the applied alternating current is varied at one or more taps to allow the motor to start in a controlled direction and be torque co...  
WO/2008/029623A1
Provided is a vehicular generator comprising a Lundell rotor, which can increase the sectional areas of the yokes of the roots of pawl-shaped magnetic poles but can decrease the sectional areas of the portions of the confronting yokes, t...  
WO/2007/027682A3
A variable reluctance position sensor and a method for determining a position of a rotating body are provided. The variable reluctance position sensor includes a rotatable member configured to be operably coupled to the rotating body. Th...  
WO/2008/026541A1
A reluctance motor (1, 11) in which the magnetic saturation is reduced and the reluctance torque is enhanced and a reluctance motor control method are disclosed. The rotor (11) is a magnetic body having portions (111) projecting only fro...  
WO/2008/018354A1
A permanent magnet type rotary electric device rotor includes a plurality of magnet poles arranged in point symmetry around the rotation center of a rotor core (2). Each of the magnet poles has a permanent magnet (3) having a small produ...  
WO/2008/012880A1
A dynamo-electric machine in which occurrence of poor insulation incident to oxidation of a stator core is suppressed without decreasing the output, and temperature rise of the stator is suppressed by transmitting heat generated from the...  

Matches 501 - 550 out of 10,808