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Patent Searching and Data


Matches 751 - 800 out of 10,718

Document Document Title
WO2001058005A3  
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...  
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...  
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...  
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 ...  
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 (...  
WO2001042649A3
A brushless electric machine (10) comprising a housing (12) fabricated from a magnetically permeable material and having an interior region, a stator (13) mounted within the interior region and attached to the housing (12) wherein the st...  
WO/2002/013361A1
An exciter assembly for supplying power to a superconducting load, such as a superconducting field coil, disposed within a cryogenic region of a rotating machine. The exciter assembly provides an efficient and reliable approach for trans...  
WO2001073922A3
An inductor-alternator adapted to generate high-frequency AC power, the alternator being provided with a stator having a circular array of major teeth, each major tooth being slotted to define several minor teeth. Surrounding each major ...  
WO/2001/093407A1
The invention relates to a generator with a variable output. Said generator comprises an induction winding, through which a magnetic field that can be modified according to time flows and in which a current is induced, and an excitation ...  
WO/2001/091272A1
A permanent magnet type reluctance dynamo-electric machine comprising a stator having armature windings housed inside slots, and a rotor positioned on the inner side of the stator, provided with a plurality of magnetic barriers by caviti...  
WO/2001/084696A1
The motor (10) has a rotor (2) which can rotate around a rotation axis (A), and a specific number (N1) of magnetic poles (12). Furthermore, the motor (10) has a stator (4) which is arranged coaxially with respect to the rotor (2) and has...  
WO/2001/078214A1
A synchronous compensator comprises a rotating electrical machine having at least one winding 29 with a solid insulation enclosing the electrical field. The machine is designed with a vertically located rotor 8 supported only by a bearin...  
WO/2001/076044A2
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 ...  
WO/2001/076058A1
A power generator in which the rotor's mechanical rotation speed and the output frequency can be varied substantially independently of each other through electronic controls (80), to achieve results such as better match between speed and...  
WO/2001/073922A2
An inductor-alternator adapted to generate high-frequency AC power, the alternator being provided with a stator having a circular array of major teeth, each major tooth being slotted to define several minor teeth. Surrounding each major ...  
WO/2001/070552A1
The invention relates to an electromechanical wheel brake device (10), with an electric motor (18), whereby a friction brake lining (14) may be pressed against a brake body (16) (brake disc), by means of a reduction gear (34) (planet gea...  
WO2001020750A3
A superconducting motor (1) which operates in a synchronous mode of operation, can also be operated in an induction mode in the event that the superconducting components (30) of the motor (1) lose their superconducting properties (e.g., ...  
WO/2001/069759A2
Discs for producing an armature core which can be found in prior art have projections which are located between two stator gaps. A special stacking of the discs is required. An inventive disc (9) has at least one alignment hole (25) in a...  
WO/2001/069762A1
The invention concerns an electric machine comprising a front bearing (13), a rear bearing (14), a rotor (4) implanted between said bearings and a magnetic target (50) with axial or radial reading device fixed on a target holder implante...  
WO/2001/059906A1
The invention relates to an electrical machine, in particular, a three-phase generator, comprising a stator, carrying a stator winding arranged in a housing, a shaft mounted claw-pole rotor system, with two pole rings arranged as magnet ...  
WO/2001/057991A1
An electric rotary equipment serving for the conversion of a mechanical energy into an electric energy and vice versa, consisting of a stator and a rotor, whereby a rotating part (marked with arrows) has a form of a hollow cylinder made ...  
WO/2001/058005A2
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 ...  
WO/2001/056827A1
The invention comprises a retarder system for use with road vehicles. The retarder system can combine an electromagnetic retarder with up to four functions: 1) a brushless DC alternator; 2) a brushless DC starter; 3) an active damper tha...  
WO/2001/052391A1
An exciter assembly for supplying power to a superconducting load, such as a superconducting field coil, disposed within a cryogenic region of a rotating machine. The exciter assembly provides an efficient and reliable approach for trans...  
WO/2001/052388A1
A hybrid synchronous motor comprising a rotor and stators, wherein the stator has at least one assembly (7) having a structure in which ferromagnetic rings (2, 3) formed with teeth on the both inner peripheral edges and outer peripheral ...  
WO/2001/050578A1
A switched reluctance motor (10), having a stator (20) with poles (24) defining a gap (28) between adjacent stator poles (24). Windings (32a, 32b) for two phases are wound about the stator poles (24) such that windings (32a, 32b) and sta...  
WO/2001/048889A1
A high efficiency electric motor has a generally polyhedrally shaped bulk amorphous metal magnetic component in which a plurality of layers of amorphous metal strips are laminated together to form a generally three-dimensional part havin...  
WO/2001/047091A1
An electric machine including a magnetic component, forming part of its rotor or stator that loses its magnetic characteristics above a certain chosen temperature is disclosed. This magnetic material forms part of a magnetic circuit that...  
WO/2001/043262A1
The invention concerns a machine forming a motor or generator comprising a stator and a rotor, characterised in that the rotor (6) is a passive rotor, consisting of two ferromagnetic discs whereof at least one is toothed, and the stator ...  
WO/2001/043273A1
A switched reluctance generator is provided in association with a controller (86 to 90). The controller is organised to operate in two modes depending on the speed and load of the generator. One mode is a discontinuous conduction mode wh...  
WO/2001/042649A2
A brushless electric machine (10) comprising a housing (12) fabricated from a magnetically permeable material and having an interior region, a stator (13) mounted within the interior region and attached to the housing (12) wherein the st...  
WO/2001/033698A1
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) ...  
WO/2001/031762A1
The invention relates to an electrical machine, in particular a generator for a vehicle, comprising an exciter system with aplurality of electrically excited monopoles in a stator or rotor. Said stator (40) or rotor (39) are formed as po...  
WO/2001/029956A1
A low inductance electrical alternator or motor (1) with low armature inductance is disclosed. Arrangements of complementary armature windings (40) are presented in which the fluxes induced by currents in the armature windings (40) effec...  
WO/2001/029955A1
A low inductance electrical machine (1) that may be used as an alternator or motor with low armature inductance is disclosed. Arrangements of complementary armature windings (40A, 42A) are presented in which the fluxes induced by current...  
WO/2001/028072A1
A compressor, wherein a brushless DC motor (2) and a compressor main body (3) are provided coaxially with each other inside a closed casing (1), and R32 single refrigerant or R32 rich mixed refrigerant is adopted as a refrigerant sucked,...  
WO/2001/024346A1
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...  
WO/2001/022559A1
The invention relates to an electric machine, especially a generator, that is provided with a shaft (42) with a hub (54) and an annular gap (81). The annular gap (81) is formed between the shaft (42) or at least one first component (69) ...  
WO/2001/020750A2
A superconducting motor (1) which operates in a synchronous mode of operation, can also be operated in an induction mode in the event that the superconducting components (30) of the motor (1) lose their superconducting properties (e.g., ...  
WO/2001/017084A1
The invention relates in general terms to a synchronous machine (1), a control method therefore, an electric power plant comprising such a machine and a method for control of the electric power plant. The synchronous machine (1) comprise...  
WO/2001/017092A1
The present invention utilises direct measurement of marginal critical quantities in direct connection to interesting points in electric power processes in the different electric power objects (10, 12, 14). These points are generally loc...  
WO/2001/015304A1
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...  
WO/2001/015301A1
The invention relates to a claw-pole alternator, comprising a rotor (20) with a claw-pole construction. Said rotor (20) is configured from a pole-wheel half (22) which is rotationally fixed to a rotor shaft (32) and a pole support (26) w...  
WO/2001/013495A1
An electromagnetic drive, comprising a disk flywheel (10) with an output shaft (7), two aluminium disks (1,1b) which are joined to each front face of said flywheel (10) and are of the same diameter thereas. At least 4 round, ferromagneti...  
WO/2001/006624A1
A synchronous motor includes a stator, a rotor and permanent magnets. The rotor includes a rotor iron core and rotatable relative to the stator, a plurality of conductor bars accommodated within corresponding slots in the rotor iron core...  
WO/2001/003270A1
Modular reluctance reversible electric machine, may work as a motor (M) or generator (G). It has several stator multi-phase modules (adj) arranged throughout the machine's volume and each comprising an excitation and armature windings an...  
WO/2001/003273A1
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)...  
WO/2001/003272A1
An electrical motor or generator comprises a rotor (79) without windings, a stator (78) having armature windings comprising at least two coils (A¿1?, A¿2?) having active portions positioned within armature winding slots (81) in a stato...  
WO/2000/074207A1
An electric motor having a pancake construction stator and rotor poles that are formed by photolithography. The stator (22) and rotor (22) can be formed from an amorphous material, thereby reducing grain boundaries and allowing smaller p...  

Matches 751 - 800 out of 10,718