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Matches 251 - 300 out of 13,787

Document Document Title
WO/2009/112094A1
The invention relates to an electric motor (2) comprising a rotor (21) with a plurality of windings (22) having one or more respective coil elements (23), said windings being controllable depending on the relative position; a stator (25)...  
WO/2009/103368A1
The invention relates to a method for producing the rotor winding of an electrical machine having at least four exciter poles in the stator (11) and having a commutator rotor (13) with a number of slots (N) and pole teeth (Z) which devia...  
WO/2009/105011A1
A wave energy converter (1) includes a buoy (3) and a transmission unit (2). In the transmission unit there is a driveshaft (11), which is driven to rotate either when the buoy rises or sinks, yet always in the same direction. The drives...  
WO/2009/096426A1
A winding line (12) wound on each of teeth (9) forms two three-phase concentrated coil groups (71, 72) arranged symmetrically against the rotation shaft. Each of the coil groups (71, 72) has a first coil (33) in which the winding line (1...  
WO/2009/084496A1
A case lid assembly is constituted by fitting a resin brush holder and a resin terminal holder integrally to each side of a metal plate for supporting a bearing. The brush holder supports a pair of brush bases, the terminal holder suppor...  
WO/2008/039081A9
An electric motor or generator consists of a stator carrying pole pieces and their coacting coils, the stator being surrounded on one side by the field creating permanent magnets adjacent one face of the poles and on the other by a flux ...  
WO/2009/081646A1
Magnetic poles have N-poles and S-poles alternate in the circumferential direction, and the N-poles and the S-poles confront each other at a spacing of 180 degrees. The magnetization centers of the magnetic poles of the N-poles and S-pol...  
WO/2009/081868A1
A tool housing (103) has a brush holder receiving space (141) in an intermediate region in the longitudinal direction of the tool housing (103). A motor (121) has a brush holder (131) inserted and mounted in the brush holder receiving sp...  
WO/2009/072280A1
Provided is a DC motor including: a stator having a plurality of magnetic field poles; an armature having an armature core, an armature coil, and a rectifier; and a brush which is brought into a brushing contact with the rectifier. The a...  
WO/2009/068609A1
An electrical drive machine having a stator (35) and a rotor (38), wherein said rotor (38) carries a rotor winding (49) in grooves (46), which can be supplied with electrical current via a power supply system made of a commutator (52) an...  
WO/2009/068338A1
The invention relates to a disk armature (1) for an electric motor, having at least one imbalance compensation cavity (8) configured in a circumferential surface (6) of the disk armature (1). The invention proposes that the imbalance com...  
WO/2009/037455A3
A commutator for an electric motor-generator comprises two opposed commutator elements (3, 4) each providing a continuous circumferential conducting surface (5, 6), to which a DC supply is connected via supply brushes (18, 19). A conduct...  
WO/2009/024697A3
The invention relates to a direct-current rotating electrical machine, in particular for a motor vehicle starter, the machine comprising: a stator (3) comprising a magnetized structure (5) with permanent magnetization, extending along a ...  
WO/2009/050456A2
A hybrid powertrain (10) comprises an electric motor (12) which drives a set of wheels (22) of a vehicle, and energy storage means (24) electrically connected to the electric motor (12) to provide a supply of electrical energy to the ele...  
WO/2009/016468A3
In a pump control apparatus (100) that controls the discharge of brake fluid using the rotation of a motor, the number of windings in a low speed circuit (140) is set such that the motor operates at a second rotation speed when the low s...  
WO/2009/037455A2
A commutator for an electric motor-generator comprises two opposed commutator elements (3, 4) each providing a continuous circumferential conducting surface (5, 6), to which a DC supply is connected via supply brushes (18, 19). A conduct...  
WO/2007/077359A3
This motor (10) comprises a main casing (12), a brush holder (18) positioned in the main casing (12) and an electrical power supply device (20) secured to the holder (18), comprising an electronic control board. The board has at least on...  
WO/2009/024697A2
The invention relates to a direct-current rotating electrical machine, in particular for a motor vehicle starter, the machine comprising: a stator (3) comprising a magnetized structure (5) with permanent magnetization, extending along a ...  
WO/2009/015930A1
The invention relates to an electric machine (10) and to a method for operating the same, especially for power-adjusting movable parts in the motor vehicle. The electric machine comprises a stator (34) and a rotor (18), grooves (24) bein...  
WO/2009/016468A2
In a pump control apparatus (100) that controls the discharge of brake fluid using the rotation of a motor, the number of windings in a low speed circuit (140) is set such that the motor operates at a second rotation speed when the low s...  
WO/2009/013049A1
The invention relates to a commutator (10), particularly for a mechanically commutated electric machine (12) - and to a method for operating the same - having commutator segments (22) that are disposed in an electrically mutually insulat...  
WO/2009/000290A1
The invention concerns a device for noise suppression of a small electric motor comprising a disk-shaped element (1) in which at least one Cx capacitor and several Cy capacitors are combined. In order to improve the noise suppression acc...  
WO/2008/152641A2
A magnetic induction device (MID) is disclosed. The MID includes a core, and at least one first winding including at least one conductive strip deposited on the core and including at least two turns which are substantially simultaneously...  
WO/2008/149603A1
A motor case has a polygonal side face coupling flat side face portions and corner portions located at corners between the side face portions continuously. A field magnet having an outer circumferential shape substantially matching the i...  
WO/2008/143893A1
A system for driving an electromagnetic field generator. In one aspect, the system may include a plurality of transistors arranged in an H-bridge configuration, the H-bridge having first and second output terminals, first and second swit...  
WO2008051218B1
A permanent magnet reluctance machine (PMRM) uses electromagnetic interaction and the minimum reluctance principle to generate a developed torque that has wide constant torque to speed characteristics and a higher torque to weight ratio....  
WO/2008/126834A1
A winding type (A), as indicated by a triangle of solid lines, is connected with an arbitrary commutator member and a commutator member adjacent to the arbitrary one. A winding type (B), as indicated by a rhomboid of broken lines, is con...  
WO/2008/109942A1
An airflow system enhances airflow in a hand-drying apparatus which expels a stream of sterilised, hot air for drying of hands. Inside the apparatus, the airflow is decelerated by one or more filters. Therefore, the system is provided wi...  
WO/2008/051218A3
A permanent magnet reluctance machine (PMRM) uses electromagnetic interaction and the minimum reluctance principle to generate a developed torque that has wide constant torque to speed characteristics and a higher torque to weight ratio....  
WO/2008/102778A1
In a holder stay fixing structure for fixing a holder stay for supporting a brush slidingly contacting contact with a commutator to the end bracket of a motor with a brush by a rivet, a cylindrical part for receiving the part of the rive...  
WO/2008/098681A1
The invention relates to an electric motor comprising a commutator and a corresponding commutator brush (32), a motor housing (1) that partly encloses the movable motor elements, and a brush rocker (5). Said electric motor is characteriz...  
WO/2007/139937A3
The invention relates generally to an electric device, such as an electric motor, a generator, or a regenerative motor, having a wound stator core made from advanced low-loss material. In preferred embodiments, the electric device is an ...  
WO/2008/086917A1
The invention relates to an electric drive, particularly a windshield wiper drive for vehicles, comprising an electric motor (10) in a crucible-shaped, preferably metal, motor housing (14), a gearbox housing (16) that is attached to the ...  
WO/2008/039081A3
An electric motor or generator consists of a stator carrying pole pieces and their coacting coils, the stator being surrounded on one side by the field creating permanent magnets adjacent one face of the poles and on the other by a flux ...  
WO/2008/056243A3
Described is a direct current motor (1) with permanent magnet stator, having at least four stator poles (5, 6, 7, 8) which are spaced at equal angular intervals about the rotation axis (A) of the rotor (3) and which generate a magnetic f...  
WO/2008/080650A1
The invention relates to an electric machine, especially an electric motor of a wiper drive of a vehicle. Said machine comprises a stator having poles with pole pieces that extend in the longitudinal direction of the machine, an armature...  
WO/2008/077337A1
A rotor and a stator of an inner rotor stacked permanent magnet coreless brushless motor do not comprise a silicon steel plate. The rotor is provided inside the motor, and the rotor is formed by stacking two or more permanent magnet plat...  
WO/2008/077286A1
A Nd-Fe-B DC motor includes a housing (2), an end cap (1), a cylindrical magnetic shoe (3), a rotor assembly (4), carbon brushes (5) and a circuit board (6). The rotor assembly (4) includes a rotor (41), armature windings (42), commutato...  
WO/2008/074954A1
The invention relates to a DC electric rotating machine mainly for the starter of an automotive vehicle, said machine including: a stator having a magnetised structure with permanent magnetisation and extending along the circumference of...  
WO/2008/075667A1
Provided is a miniature motor, in which a rotor magnetic-pole laminated core is constituted by laminating each of two-side steel sheet cores bent at its radial end portions outward of a shaft axis, on the two sides of steel sheet cores o...  
WO/2008/065647A1
There is provided a self torque-balancing differential mechanism (2), including two coaxial counter- rotating wheels (4, 6), rotatable about a central shaft (24), mutually reacting and balancing a torque of a motor drive (20) interacting...  
WO/2008/062791A1
An armature of a DC motor with a brush comprises a rotary shaft born by a yoke housing, an armature core fitted on the rotary shaft from outside and secured to the same, and a commutator provided to the rotary shaft adjacently to the arm...  
WO/2008/056243A2
Described is a direct current motor (1) with permanent magnet stator, having at least four stator poles (5, 6, 7, 8) which are spaced at equal angular intervals about the rotation axis (A) of the rotor (3) and which generate a magnetic f...  
WO/2008/053829A1
A DC motor armature (3) is an 8-pole, 10-slot, 20-segment type or a 12-pole, 15-slot, 30-segment type. A commutator has a connection line (25) arranged for making a shortcircuit between the segments (14) having the same potential. A wind...  
WO/2008/039081A2
An electric motor or generator consists of a stator carrying pole pieces and their coacting coils, the stator being surrounded on one side by the field creating permanent magnets adjacent one face of the poles and on the other by a flux ...  
WO/2008/031686A1
The present invention relates to a DC motor with a first brush, a second brush, which is offset with respect thereto through 180°/p, where p=pole pair number and via which the electric motor is operated in a first rotation speed stage, ...  
WO/2008/025829A1
The invention relates to a current overload protection of a brush apparatus of an electrical machine, in particular a starter of an internal combustion engine, with at least one fuse apparatus, which is used for supplying current to the ...  
WO/2006/116553A3
A clip for a motor stator housing to engage at least a first magnet and at least a second magnet of the motor stator includes a generally annular plate having an outer circumferential edge and an inner side. A plurality of outer tabs are...  
WO/2008/017618A1
The invention relates to an electrical machine (10) with at least eight exciter poles (P) in the stator (11) and with a commutator armature (13), comprising numerous pole teeth (Z), differing from the number of exciter poles and the pole...  
WO/2008/003598A1
The invention relates to an electric motor comprising a number n of poles (4a - 4d), where n is even and greater than 2 and a number m of brushes (1, 2), where 2 ≤ m ≤n. Said motor is equipped with a number r of additional brushes (3...  

Matches 251 - 300 out of 13,787