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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 ...
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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...
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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...
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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...
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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...
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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 ...
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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, ...
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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...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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WO/2007/043161A1 |
There is provided a rotary electric machine capable of directly controlling the field system magnetic flux with a current and having a large torque. The rotary electric machine can also be multipolarized and flattened. A stator (20) incl...
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WO/2007/036429A1 |
The invention relates to a synchronous machine which comprises a magnet wheel and a stator winding which are necessary for an excitation device. It is also necessary to transfer energy to a magnet wheel inductivity, preferably, energy to...
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WO/2007/037020A1 |
A composite armature combined output circuit mechanism for enhancing power generation efficiency sharply through offset effects by a twin field rotor combining the principle of repellent electromagnetic induction and the existing princip...
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WO/2007/026802A1 |
It is possible to provide a rotary electric machine having a built-in permanent magnet and capable of reducing vibration and noise generated by the electromagnetic force while maintaining a small device size and high output. In the rotar...
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WO/2007/027682A2 |
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...
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WO/2007/024261A1 |
An electromagnetic apparatus has a rotating element acting as a transfer bridge between two active energetic suppliers, the rotating element providing a ferromagnetic core with plural solenoid coils having induced electric energy from ex...
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WO/2007/019673A1 |
An electric generator comprising a stator having stator windings and a rotor having rotor windings. The rotor and the rotor windings extending about the stator windings. The rotor includes an annular rotor housing. On an inside of the ro...
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WO/2007/013206A1 |
An axial motor in which an armature side stator (13), a pair of rotors, and a pair of stators are arranged with spacings in the axial direction of a drive shaft (34). The armature side stator (13) has armature coils (24). The pair of rot...
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WO/2007/010934A1 |
A composite motor includes: a rotor of at least for polarities in which N pole and S pole are alternately arranged in the circumferential direction; a stator core having stator magnetic circuits which are magnetically separated in a rang...
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