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WO/2003/066262A2 |
A method of assembling a power tool, a power tool, a method of assembling an electrical device (100), and an electrical device (100) includes a switched reluctance motor (10). The electrical device is preferably a hand-held power tool, h...
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WO/2003/058794A1 |
Permanent magnet machines including doubly salient machines having one or more permanent magnets located at least partly and preferably entirely within the stator teeth, thereby avoiding weakening of the stator structure while reducing a...
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WO/2003/050933A2 |
The invention concerns a alternator comprising a stator (12), a rotor (4) arranged inside the stator (12) including several phases and at least two armature windings which belong each to a power supply source mounted between the ground a...
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WO/2003/049273A1 |
In the embodiments described in the specification, a permanent magnet machine (10) includes a stator (14) having windings (16) which intercept flux received from peripheral pole pieces (20) in a rotor (12) generated by permanent magnets ...
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WO/2003/047067A2 |
A motor/alternator is formed by a single toroidal magnet (2), which may be a hybrid magnet including a permanent magnet (12) and an electromagnet (14) concentrically arranged, having flux conductors (4, 6) which, in combination with flux...
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WO/2003/044927A1 |
The invention relates to an electrical machine having a first magnetic core provided with winding, and a flux-generating device comprising at least two flux-generating variable magnetic flux elements. These are arranged to vary the flux ...
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WO/2003/041244A1 |
A motor capable of suppressing the occurrence of lowering of a torque at the time of overloading and immediately lowering the temperature of a motor body even if the temperature of the motor body is increased, comprising a stator (20) ha...
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WO/2003/038990A1 |
The invention relates to a wind power station for generating sinusoidal alternating voltage, comprising a generator having a rotor (7) and a stator, a rotor with blades that is connected to said armature and power transmitting means for ...
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WO2001076044B1 |
The invention relates to a method for controlling a reluctance motor comprising a rotor (1) and a stator (10) which is provided with individual stator coils (22). A predefined current flows in the coils (22) according to the load of the ...
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WO/2003/012956A1 |
A rotary electric machine comprises a rotary shaft (7) ratably supported by bearings (2, 3), rotor (23) mounted integrally with this rotary shaft (7), and stator (5) counterposed to this rotor (23). The stator (5) has coils almost circul...
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WO/2003/012292A1 |
The invention relates to a wind-energy installation comprising a (ring) generator with a stator. Said stator is provided with grooves, spaced at intervals on the internal or external periphery, for receiving a stator winding. The aim of ...
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WO/2003/009452A1 |
The invention concerns a current rectifier assembly for rotating electrical machines comprising a rear bearing, including a plurality of positive diodes (2) supported on a plate-like support (1), a plurality of negative diodes (7) suppor...
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WO/2003/007459A1 |
A hybrid synchronous electric machine driven by a traverse magnetic flux has a rotor and a stator, its rotor armature (11) has a heavy−weight copper ring (12) in the proximity of a motor active component, and a lateral insulation gap (...
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WO/2003/007460A1 |
The invention concerns a reversible polyphase rotating machine comprising a current supply device (3) for the windings (12-14) of the stator produced in the form of a mechanical static converter (2) adapted to be coupled to said shaft of...
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WO/2003/005536A1 |
The invention relates to a switched, brushless reluctance motor (10), with a radial-flux stator (12), with electrical radial flux coils (21-24) arranged on the radial flux poles (15-18) thereof, for generation of a radial magnetic flux (...
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WO/2003/001649A1 |
The invention relates to a synchronous machine, preferably comprising salient poles with pole windings that are galvanically interconnected. The invention further relates to a wind energy plant and to a method for monitoring the synchron...
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WO/2002/101907A1 |
A motor (1) has a stator (2) and a rotor (10) mounted for rotation in the stator. A commutating salient pole (11) of the stator has a winding (7), and a field-producing salient pole (12) has a winding (8). The rotor has at least two sali...
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WO/2002/097954A1 |
The invention relates to a two-phase, switched reluctance motor comprising a stator (11) having an even number of stator poles (14), on which a two-phase stator winding (16) is wound (16), and a rotor (12) which is coaxial in relation to...
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WO/2002/093717A1 |
The invention concerns a rotating electrical machine comprising a rear bearing (2), a rectifying arrangement (1) for the current produced by the machine, which comprises a plurality of positive diodes (8) supported by a globally plate-sh...
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WO/2002/093720A1 |
A universal motor/generator/alternator apparatus comprises: At least one moveable body (e.g., a rotor or shuttle) (11) having multiple surfaces (14a-d), when viewed in cross-section, comprising a plurality of magnets or coils (13) on eac...
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WO2001024346A9 |
The exciter includes an exciter rotor shaft (30), a thermal insulation layer (40) mounted to the exciter shaft (30), and a diode wheel (25) having a wheel hub (26). The wheel hub (26) of the diode wheel (25) is mounted by an interference...
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WO/2002/091547A1 |
In order to improve the torque per weight ratio in electrical machines for a lower price it is proposed to use a segmented stator design. The segmented stator design is based on general E shaped cores traditionally used for single-phase ...
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WO/2002/089291A2 |
The principle design of electrical machines with a winding construction based on pole shoes has not changed in decades. The machines have, depending on whether they operate as a generator or motor, a limited efficiency or a limited torqu...
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WO2001058005A9 |
An exciter assembly supplies current to a superconducting load. The exciter assembly includes a transformer for generating the current and an optical emitter and an optical receiver. The transformer includes a stationary winding portion ...
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WO/2002/082621A1 |
An electric power steering system for a vehicle incldues a steering wheel (16), and steering shaft (20) connected to said steering wheel (16), and a switched reluctance motor (32) coupled to said steering shaft (20). The switching reluct...
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WO/2002/080338A1 |
A dynamo-electric machine is so constituted as to easily change the characteristics of a dynamo-electric machine comprising permanent magnets and comprises a field control coil so as to adopt the dynamo-electric machine comprising common...
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WO/2002/078151A2 |
An electric machine (M) comprises a field (A) and an armature (B) between which is defined an air gap (G). The field (A) has at least one pair of poles (N, S) and the armature (B) has n teeth (20) and n slots (21) per pair of poles (N, S...
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WO/2002/075896A2 |
An alternator (10) has a model plastic, electrically conductive D.E. frame in which a sealed bearing is molded in place with the formation of the D.E. frame (14). When the D.E. frame is removed from its plastics injection mold and while ...
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WO/2002/073780A1 |
A low-noise permanent magnet type rotary machine and a compressor of comprising it. A tooth (8) of a stator core (5) keeps the tip shaped into an arc concentric with the rotor core (3) in the tooth center side, and shaped into a straight...
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WO/2002/073778A1 |
A switched reluctance machine (10) includes a stator (14) with a plurality of circumferentially-spaced stator segment assemblies (18) that include salient stator poles and inter-polar stator slots. Each of the stator segment assemblies (...
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WO/2002/071580A1 |
The invention relates to an electrical machine, especially a generator for a motor vehicle comprising a housing (2), a runner (6) that is mounted in the housing (2) to be rotatable about an axis of rotation (5), at least one fan wheel (2...
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WO2001015304A9 |
The invention relates to an induction-type electric machine that comprises a) a stator (4) with stator teeth (12) of magnetically inductive material that are provided with wire-wound coils (24); b) and a rotor (6) that is arranged coaxia...
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WO/2002/067276A1 |
The invention relates to a rotary transformer for rotor-excited machines, particularly synchronous generators for motor vehicles. Said transformer comprises a primary element (14) with a primary nucleus (17) made of a magnetic conductive...
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WO/2002/065617A1 |
The invention relates to an electrical machine, especially a generator for a motor vehicle, comprised of a housing (4) and a rotor (10) rotationally mounted about a rotational axis (12) in the housing (4), said rotor having at least one ...
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WO/2002/060716A1 |
The invention relates to the car and tractor industries. In an embodiment, the inventive power generating unit comprises a reactor for producing heat energy by synthesising annihilation elementary particles, a steam-turbine plant, a sync...
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WO2001033698A9 |
A fluid-cooled switched reluctance motor comprising a stator (50)having a plurality of evenly spaced, radially oriented, like stator poles that define a gap (58) between adjacent stator poles (56). The stator poles have side walls (56a) ...
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WO2001003273A9 |
An exciter (10) includes a concentrically laminated rotary disk (25) with an alternative current (AC) windings (30), and a stationary disk (35) with direct current (DC) excitation windings (40) and a plurality of DC excitation poles (45)...
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WO/2002/058212A1 |
A stator for an electric machine such as a motor or a generator includes a plurality of stator segment assemblies (18). The stator segment assembly includes a stack of stator plates forming a stator segment core. The stator plates includ...
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WO/2002/054563A1 |
A winding end cap assembly (22) for an electric machine with a stator and stator poles includes first and second end caps that are connected to opposite axial end surfaces of one of the stator poles. First and second inner winding retain...
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WO/2002/054566A1 |
The invention concerns an electric rotary machine, in particular an alternator or an alternator-starter for motor vehicles, comprising a stator enclosing a rotor (10) provided with a stack of laminations, an air gap between the stator an...
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WO/2002/051660A2 |
The invention relates to electric machines, in particular to electric motors and can be used for developing and operating engines based on the tooth harmonic of a magnetic field. Th inventive electric motor comprises a stator provided wi...
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WO/2002/050976A2 |
The invention concerns alternators for motor vehicles, whereof a stator (12) comprises a cylindrical body (18), several phases (P) consisting each of a plurality of electrically conductive elements (20), the cylindrical body (18) compris...
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WO/2002/050977A2 |
The invention concerns an alternator for a motor vehicle comprising a stator (13) provided with a body (14) bearing several phases comprising each an input (E1 to E'3) and an output (S to S'3) implanted outside the body (14) of the stato...
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WO/2002/043226A1 |
The invention concerns an electric machine specially designed to work in a vacuum, comprising a rotor (14) provided with four teeth (16) which cover each an angular sector of about sixty degrees and a stator (15) provided with twelve tee...
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WO/2002/041475A1 |
A voltage regulator for an AC generator (1) with capacitor excitation is didsclosed, comprising a stator unit (2) having a stator body (4) on which at least an armature winding (5) is wound having at least a couple of terminals (6a, 6b) ...
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WO/2002/031947A1 |
An electric motor, comprising a rotor body having multi-layer slits disposed in radial direction, wherein a permanent magnet (6) is buried only in a part of the slits (5) among the multi-layer slits to drivingly rotate the motor by a mag...
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WO/2002/028536A1 |
A reluctance machine (1) includes a stator (20) having an annular support member with a plurality of stator poles (22) disposed thereon. The stator poles each are formed from a corresponding foil coil stator winding (26). A solid disc-sh...
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WO/2002/029960A1 |
An AC generator for a vehicle, in which high output is realized by overlapping a laminated iron core of a stator with a yoke part of a field rotor in the axial direction, and an electromagnetic sound can be reduced by defining the dimens...
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WO/2002/027897A1 |
An AC generator for a vehicle, in which high output is realized by overlapping a laminated iron core of a stator with a yoke part of a field rotor in the axial direction, and an electromagnetic sound at high and low speed can be reduced ...
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WO/2002/025796A1 |
The invention relates to an electrical machine, in particular, a starter generator, comprising a rotor (19) which may be energised by permanent magnet and a stator (16). Said stator (16) has a multi-phase winding (38), with a converter (...
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