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Matches 501 - 550 out of 10,697

Document Document Title
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...  
WO/2007/106201A3
A voltage regulator controls voltage supplied from a generator or alternator and includes a voltage regulator body having at least one component receiving cavity. A lead frame is embedded within the voltage regulator body and forms exter...  
WO/2007/148736A1
Provided is an inductor type synchronizer of an axial gap structure having a shaft portion at its center portion. The inductor type synchronizer comprises a field side stator including a yoke made of a magnetic material, and field member...  
WO/2007/143827A1
An axial flux switched reluctance motor utilizes one or more rotor discs spaced along a rotor shaft, each rotor disc having a plurality of rotor poles spaced along the periphery thereof. Stator elements are distributed circumferentially ...  
WO/2007/050620A3
One aspect of the invention is a generator with at least two commutators mounted on a rotatable shaft. At least two magnetically conductive bars may be mounted in an opposed relationship with at least one of the bars passing through a wi...  
WO/2007/141230A1
An alternator is proposed for motor vehicles, having a rotor (20) whose poles (32) are in the form of claw-type poles. In order to improve the design options for the stator of the machine, its polyphase winding is in the form of a fracti...  
WO/2007/139557A1
A single field rotor motor comprising a rotor mounted for rotation with respect to a stator. The stator has a plurality of stator poles each having a coil for creating a magnetic pole force. The rotor has a plurality of circumferentially...  
WO/2007/135006A1
The invention relates to a planar direct drive with a planar passive unit (01) with magnetizable teeth (03), both the base surface of the magnetizable teeth (03) and their interdental gaps (04) having at least in a first direction y a co...  
WO/2007/129150A1
An electric motor (10) with a low number of revolutions comprises a rotor (17) powered by three-phase alternating voltage, a series of magnets (21, 22) and a coil forming a stator (24), in which the rotor (17) and the stator (24) have th...  
WO/2007/126570A1
Disclosed herein is a rotor assembly for an electric machine including a stationary shaft (12b), a first bearing (34), a second bearing (34), a first pole segment (18b), a second pole segment (2Ob), a first internal fan (38), and a secon...  
WO/2007/127658A2
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/2007/119327A1
It is possible to control rpm of a wheel with a new configuration different from an induction motor and rapidly and accurately adjust a maximum torque with a simple structure not using a permanent magnet. A linear drive travel system inc...  
WO/2007/106201A2
A voltage regulator controls voltage supplied from a generator or alternator and includes a voltage regulator body having at least one component receiving cavity. A lead frame is embedded within the voltage regulator body and forms exter...  
WO/2007/102818A1
A stator winding for a slotless motor is parallel with the longitudinal axis of the motor except at the end turns of the coil windings. The coils have concentrated windings with a pair of coils wired in series to form one phase of the st...  
WO/2000/009886A3
A fluid pump (110) includes a housing (112) having a passage therethrough with an inlet (116) and an outlet (120). An impeller (124) is positioned within the housing (112) and includes an impeller axis (126), an inlet side (128) and an o...  
WO/2007/088598A1
A dynamo-electric machine in which generation of harsh electromagnetic noise in the vicinity of 2000 Hz can be suppressed under an idle state by reducing a 12f shaking force. An armature winding has first and second three-phase windings ...  
WO2007050620A9
One aspect of the invention is a generator with at least two commutators mounted on a rotatable shaft. At least two magnetically conductive bars may be mounted in an opposed relationship with at least one of the bars passing through a wi...  
WO/2007/065929A1
The invention relates to the connecting of the exciter of an electric machine. The invention is particularly suited to a synchronous electric machine used as a generator. The electric machine comprises a rotor comprising at least one exc...  
WO/2007/067630A1
A reluctance motor having a movable part that does not need a fixed mounting shaft in the motor's stationary part. In one embodiment, a motor of the invention has a stationary part that defines a cylindrical cavity into which a rotor is ...  
WO/2007/064018A1
A shield member (90) is arranged on the rotor end face (18a) of a dynamo-electric machine (10). As the rotational speed of a rotor (18) increases, the shield member (90) moves outward in the radial direction of a rotating shaft (12) to c...  
WO/2007/057842A1
A linear VR motor or actuator having band coils is provided. The VR actuator includes a first core dimensioned as either a single 'E' or a double 'E'. Each center protruding bar may be capped with a permanent magnet made of a Ferro-magne...  
WO/2007/050620A2
One aspect of the invention is a generator with at least two commutators mounted on a rotatable shaft. At least two magnetically conductive bars may be mounted in an opposed relationship with at least one of the bars passing through a wi...  
WO/2007/024262A3
A pair of stators produce a magnetic field within a space between them, a ferromagnetic toroidal rotor is rotationally mounted within the magnetic field. A plurality of windings are wound radially on the rotor and each winding provides a...  

Matches 501 - 550 out of 10,697