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Patent Searching and Data


Matches 701 - 750 out of 10,715

Document Document Title
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...  
WO/2003/041243A1
The invention relates to an electrical machine, preferably an alternator (10) for motor vehicles, comprising a rectifier assembly (11a) that is fixed to an end shield (23) of the machine. Said rectifier assembly is cooled by a fan (27) t...  
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 ...  
WO2002078151A8
An electric machine (M) comprises an armature (A) and an armature (B) between which is defined an air gap (G). The field (A) has at least one pair of oles (N, S) and the inductor (B) has n teeth (20) and n slots (21) per pair of poles (N...  
WO2003000017A3
A variable reluctance motor includes a phase assembly (102, 801) having more than one phase unit (121, 122, 123, 821, 822, 823), each of said phase units comprising at least one module (131, 132, 831, 832), each said module comprising an...  
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 ...  
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...  
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 ...  
WO2002050976A3
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...  
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...  
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 (...  
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...  
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 (...  
WO/2003/000017A2
A variable reluctance motor includes a phase assembly (102, 801) having more than one phase unit (121, 122, 123, 821, 822, 823), each of said phase units comprising at least one module (131, 132, 831, 832), each said module comprising an...  
WO2002078151A3
An electric machine (M) comprises an armature (A) and an armature (B) between which is defined an air gap (G). The field (A) has at least one pair of oles (N, S) and the inductor (B) has n teeth (20) and n slots (21) per pair of poles (N...  
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...  
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...  
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...  
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...  
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...  
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...  
WO2002075896A3
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 ...  
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 ...  
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...  
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 ...  
WO2000003469A3
According to the invention, the number of stator pole teeth (201, 202) and rotor pole teeth (301) of an electrical machine driven as a reluctance motor can be selected in such a way that three magnetized air gaps are formed with minimum ...  
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...  
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...  
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...  
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 ...  
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...  
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 (...  
WO2001076044A3
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/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...  
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...  
WO2002050977A3
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...  
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...  
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 ...  
WO2002051660A3
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...  
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...  
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) ...  
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)...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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) ...  

Matches 701 - 750 out of 10,715