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WO/2006/137125A1 |
An armature for a rotary electric motor, where a winding on a magnetic pole tooth does not come loose and where stable electrical connection between the winding and a commutator is achieved. Magnetic pole teeth (2) of the armature can be...
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WO/2006/127112A1 |
Brushed DC electric motors have a rotor with commutator portions moving into and out of contact with brushes. As each of these contacts end, a back EMF force is induced into a main current supply signal. The number of these periodic forc...
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WO/2006/122523A1 |
The invention relates to a planar motor for driving an adjustment system on a motor vehicle, in particular, a window winder, comprising a disc armature, a rotor and a discoid coil system, formed by windings of electrical conductors which...
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WO/2006/122522A1 |
The invention relates to a disc armature for a planar motor for driving an adjuster device in a motor vehicle, comprising an armature disc provided with a coil system and embodied and provided for cooperation with permanent magnets on a ...
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WO/2006/124934A2 |
A BLDC motor assembly and method for manufacturing same is disclosed. The motor has a housing, a shaft supported for rotation within the housing, a stator disposed within the housing for generating an electro-magnetic field, a rotor oper...
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WO/2006/120934A1 |
A brush holder in an electric motor, held between a tubular yoke with a bottom and a bracket that covers an opening of the yoke, and constructed to be small in diameter and compact. The brush holder (7) is composed of a first disk (8) wh...
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WO/2006/115014A1 |
An electric motor (10) and a fuel pump (20) driven by the electric motor (10) are housed in a casing (4) which is fixed to a fuel tank (2). An end cover (12) attached to an end portion of the casing (4) is provided with a brush holder (3...
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WO/2006/115092A1 |
A rotating electric machine capable of solving problems in a conventional rotating electric machine in which a fan is fitted to a motor shaft as the cooling structure of a brush which tends to be heated wherein not only the number of par...
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WO/2006/109030A1 |
A pulsed inertial electric motor of the present invention comprises (i) a stator with an annular magnetic conductor on which an even number of permanent magnets are uniformly arranged with a predetermined pitch, (ii) a rotor separated fr...
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WO/2006/100152A1 |
The invention relates to an electrical machine (10) which comprises a commutator armature (13), and to a method for producing the same. The commutator (16) and a grooved laminated core (14) are fastened axially adjacent to each other on ...
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WO/2006/064354A1 |
A rotating electrical machine (30) has housing, an output shaft mounted rotatably within the housing for rotation at a first speed Nl, a rotor fixed to the shaft and providing a magnetic field, a stator winding positioned about the rotor...
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WO/2006/057449A1 |
A commutator motor includes a field magnet having a field magnet core and a field magnet winding, and an armature having a rotary shaft, an armature core fixed to the rotary shaft, an armature winding wound on slots of the core, and a co...
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WO/2006/053801A1 |
The invention relates to a fuel pump comprising a pump stage (2) driven by an electric motor (1). Brushes (17) for contacting a commutator (16) are radially arranged next to a rotor (6). To this end, a stator (4) encircling the rotor (6)...
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WO/2006/049642A2 |
A two speed direct current electric motor comprising: an armature having a commutator assembly that is adapted to receive an electromotive force to cause the armature to operatively rotate. A brush assembly having a common brush and a lo...
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WO/2006/035001A1 |
The invention relates to an electric motor for motor vehicles, in particular a small direct-current electric motor. Said motor comprises a housing (3) and a brush group holder (7), which supports at least two brush holders (21) comprisin...
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WO/2006/034148A2 |
Round keyed brushes 20 for electric motors 10. The brushes 20 are formed from sintered material and the protruding key 22 runs the length of the brush 20. The brush material is preferably carbon combined with copper and/or silver. Brush ...
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WO/2006/030094A1 |
The invention relates to a rotor armature of an electric motor, comprising a rotor winding which is partially impregnated with an impregnating agent along a pre-determined axial distance (v) which extends from the rear coil (43) in the w...
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WO/2006/013991A1 |
A rotating electrical machine, which is a direct current motor, includes carbon brushes. Each carbon brush contains graphite grains, metal particles, and solid lubricant, which are sintered in a dispersed state. The graphite grains are e...
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WO/2006/013452A2 |
A commutator for rotation with or by the shaft of a electrical machine has first and second electrically conductive commutator segments (7,8) provided on a base (1) for electrical engagement with brushes (19,20,21) connected to windings,...
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WO/2006/011267A1 |
A carbon brush which enables to suppress abrasion of a carbon commutator and suffers from only a small swelling. The carbon brush slides in contact with a carbon commutator which is employed in a fuel pump and has a bulk density of 1.85 ...
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WO/2005/119857A1 |
A wind power station comprising a wind power generator (7, 13) provided with a stator and a rotor (6), and a current transfer device (20) for at least temporarily feeding of a winding of the rotor (6), wherein the current of the winding ...
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WO/2005/114815A1 |
The invention relates to a starting device for an electric power generator as a unit consisting of an internal combustion engine and a generator, in which the rotor (17) of the generator is connected to the crankshaft (1) of the internal...
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WO/2005/104336A1 |
Summary A method for producing a magnetic multi-pole encoder with a support and at least one track made of a magnetizable material, whereby the magnetizable material track, under the effect of an externally applied magnetic field, is str...
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WO/2005/101619A1 |
A graphitic brush (1) which hardly wears irrespective of temperatures used and which copes with the problem of prolongation of life; and a motor having the graphitic brush (1). In the graphitic brush (1) for feeding a coil (17) wound on ...
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WO/2005/096474A1 |
[PROBLEMS] To provide an electric contact mechanism for a small motor in which durability of electric contacts can be improved by reducing mechanical abrasion and electrical abrasion. [MEANS FOR SOLVING PROBLEMS] In an electric contact m...
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WO/2005/091472A1 |
A flat type vibration motor and brush of the same is provided. The brush is fixed between a rotor portion and a stator, and the width of the brush gradually narrows from its lower end to its upper end to prevent deformation caused by sho...
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WO/2005/086678A2 |
The brush assemblies (Figure 2) include a retention spring (10) with a connection portion (34) connecting the sides (18, 22) adapted to retain the brushes (62) in the brush holder (102).
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WO/2005/081989A2 |
An armature for an electromotive device having a unitary coil and armature is disclosed. The armature may include a coil (12, 12’) having inner (12) and outer (12’) winding portions separated by an insulator, each of the winding port...
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WO/2005/077017A2 |
A brush card (10) for a DC motor is molded around a lead frame system (16) and includes integral brush card holders (12) and a connector housing (14). Gaskets are molded to the upper and lower peripheries of the brush card and provide in...
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WO/2005/062432A1 |
The invention relates to a slip-ring arrangement for an electric machine comprising a stator and a rotor (7). According to the invention, a fixed part (1) comprising a current transmission surface and a part (2), which rotates in relatio...
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WO/2005/055394A1 |
The invention relates to an electromotive drive comprising an electric motor with a commutator that is located in a motor housing, in addition to gearing that is flange-mounted on the electric motor. In said drive, the armature shaft pas...
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WO/2005/055397A2 |
The invention relates to a commutator (16) for an electric machine (10), comprising several plates (26) that are separated from one another by slots (24) and have contact surfaces (27). At least one respective groove (30) is provided in ...
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WO/2005/055399A1 |
A motor, which includes a housing, a rotor, a rotor shaft, a commutator installed on one end of the rotor, a main bearing and a bearing fencing ring, is characterized in that the said commutator is a two-parts commutator of infix form, o...
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WO/2005/050820A1 |
The invention relates to a commutator for an electric machine, which comprises a support element (1) produced from an insulating molded plastic material, a plurality of metallic conductor segments (3), arranged evenly about the commutato...
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WO/2005/031949A1 |
The invention relates to a direct-current motor provided with a housing, a rotor and a stator comprising electrical windings. A commutator/carbon-brush system is provided in order to provide the electrical windings with current. The stat...
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WO/2005/027319A1 |
The invention relates to an electric machine, in particular a motor for actuators in vehicles, comprising a housing (16) and a commutation device (20) that is located in the interior of the housing. The invention aims both to produce a c...
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WO/2005/008863A1 |
Disclosed is a commutator (20) for an electric motor (10), comprising lamellae (22, 24), contact bridges (30) via which lamellae (22, 24) having the same electrical potential are interconnected, and contacts (26) that are disposed on lam...
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WO/2004/098027A1 |
The invention relates to an electric machine provided with an independent interference suppression printed circuit board (2) comprising SMD-components (3, 4, 5) embodied in the form of interference suppression components for attenuating ...
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WO/2004/098000A1 |
Disclosed is a manual machine tool that is driven via an electric motor (20). Said electric motor (20) comprises a commutator (28) that is formed by disk-type annular segments or lamellae (32). In order to make said manual machine tool s...
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WO/2004/095672A2 |
A brush holder assembly for use in an electric actuating device includes a cylindrical sleeve mounted in a housing of the device. The sleeve incorporates a tube that has an end extending inwardly toward a commutator. The tube may also ha...
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WO/2004/091957A1 |
The invention relates to electrotechnical and mechanical engineering, in particular to the structural embodiment features of electric motors, mainly for means of transport. Said invention is characterised in that the inventive electric m...
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WO/2004/093296A1 |
The invention relates to a fuel pump which comprises an electric motor. Said electric motor is provided with carbon brushes (11) that cover a plurality of lamellae (17) of a collector (9). Grooves (7) in an armature (6) include sections ...
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WO/2004/084362A1 |
A method of reducing the audible operating noise of an electric power conversion device includes providing a segmented commutator with slots between the segments and smoothing the brush transition between the slots to reduce brush vibrat...
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WO/2004/077646A1 |
A brush device disposed with the longitudinal direction of a coiled spring aligned with the surface direction of a brush holder, wherein the end part of a pivot shaft on the flat surface side of a brush base part is formed in a hollow tu...
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WO/2004/070913A2 |
A rotating electrical machine, such as an aircraft starter-generator, that may be operated in either a DC motor mode or an AC generator mode. The machine includes a main stator that is selectively configurable as a multi-pole AC stator a...
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WO/2004/062069A1 |
An electric motor (10) which includes a housing which has first and second opposed sides (24, 26), rotor (14) which is formed from a settable material and which is mounted for rotation inside the housing, a plurality of windings which ar...
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WO/2004/053893A1 |
An electric contact member with improved resistance to attrition and wear is disclosed. Either one of or both of conductive metal particles or conductive metal fibers at least the surfaces of which are modified with carbon nanofibers or ...
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WO/2004/054074A1 |
A method and a device for manufacturing a flat commutator, the method comprising the steps of fitting metal pieces forming a segment (3) to a cartridge (21), pressing the metal pieces by a punch (25) for performing a cartridge fitting st...
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WO/2004/051826A1 |
The invention relates to an electrical machine (1) comprising a stator (2), a rotor (3), and a slip-ring arrangement (12) for transmitting electrical energy, said electrical machine (1) having the following characteristics: at least one ...
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WO/2004/036722A1 |
The invention concerns a direct current engine (30) comprising a rotor (11) mounted rotatable about an axis (29) in a housing (16) and at least one winding (13) which is fed with direct current from outside, in alternating directions, by...
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