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Patent Searching and Data


Matches 701 - 750 out of 13,372

Document Document Title
WO/2005/020390A1
The invention relates to a sliding electrical contact part comprising a base of carbonaceous material and copper. The invention is characterised in that the part is lead free and contains zinc and iron-based particles having a size of le...  
WO/2005/020391A1
The invention relates to a brush block (6) for transmitting currents to a slip ring (7) by means of at least one multi-wire slip element by means of a plurality of parallel connected multi-wire slip elements (3) that are distributed one ...  
WO/2005/015695A1
The invention relates to a commutator for supplying power to rotors of electrical machines whose bars (13), which are arranged on the periphery of the commutator (10), are securely embedded in a hardened substance (16) by means of a posi...  
WO/2005/013437A1
A signal transfer assembly (120) that is configured to transfer one or more electrical signals between two or more conductive paths that are rotating relative to one another includes two substrates (202, 204) or more substrates and one o...  
WO/2005/008848A1
The present invention provides a brush holder assembly for holding carbon brushes against the commutator of a DC motor. The brush holder assembly may include elongated brush receptacles that can accommodate longer carbon brushes, and a d...  
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...  
WO/2005/008847A1
Disclosed is a brush arrangement (16.1, 16.2, 16.3, 16.4, 16.5, 16.6) for an electric machine (10), comprising at least one brush (18, 18', 18'') and at least one element (24, 46, 46', 56), such as a coil spring, constant-force spring, o...  
WO2004075373A3
A method of manufacturing a composite electrical brush (10) comprises forming a brush body part (14) of low resistivity, carbon/graphite/resin material; heat treating the formed body; applying a layer (34) of high resistivity, resin-cont...  
WO/2004/109668A1
The invention relates to an optical scanning device for scanning an information carrier comprising a plurality of information layers which optical properties depend on a potential difference applied between two electrodes. The optical sc...  
WO/2004/098018A1
The invention relates to a device for transferring electrical energy between at least two units that can move relative to one another, for example, to a device provided in the form of a slideway or slipring. A moving pick-off is displace...  
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...  
WO2004086571B1  
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...  
WO2004075421A8
A contacting probe system includes at least one flat brush contact and a printed circuit board (PCB). The PCB includes a feedline for coupling the flat brush contact to an external interface. The flat brush contact is located on a first ...  
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 ...  
WO/2004/086571A1
A device for mounting an a shaft of a rotating electrical machine and allowing current from an electrical supply through a winding of the motor includes a pair of electrically isolated commutation elements. Each element includes a rotary...  
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...  
WO2004038905A3
The invention relates to a commutator for an electrical machine, comprising a carrier body (1) produced from a moulding material, and a plurality of metallic conductor segments (3) which are homogeneously arranged on said carrier body ab...  
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...  
WO/2004/075421A2
A contacting probe system includes at least one flat brush contact and a printed circuit board (PCB). The PCB includes a feedline for coupling the flat brush contact to an external interface. The flat brush contact is located on a first ...  
WO/2004/075373A2
A method of manufacturing a composite electrical brush (10) comprises forming a brush body part (14) of low resistivity, carbon/graphite/resin material; heat treating the formed body; applying a layer (34) of high resistivity, resin-cont...  
WO2003100792B1
A hinge for an electronic device, such as a notebook computer, a personal digital assistant, a cellular telephone, a portable compact disc player and the like, includes a body member and at least one contact provided on the body member. ...  
WO/2004/073120A1
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...  
WO2004034517A3
A brush holder assembly (1) for an electric motor comprises a plurality of brushes (9) distributed around a commutator (4) of the electric motor. Each brush (9) is equipped with a respective electric connecting cable (16) and is slidable...  
WO2004006358A3
The invention concerns current collector systems for multipolar machines (figure 1C) with many brushes (33). The electrical connections to outside electrical power source can be releasable (54, 144, 148).  
WO/2004/054073A1
A method of manufacturing a segment (3) for a flat commutator, comprising the steps of forming a theta section bar (15) having the same cross sectional shape as that of the segment (3) by drawing, punching out the theta section bar (15) ...  
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...  
WO/2004/051825A1
The invention relates to a support element (1) on which the commutator brushes (2) are each disposed on one curved spiral spring (3) each. Said spring, on its side (3') facing away from the commutator brush (2) in the area of the end of ...  
WO2003100792A3
A hinge for an electronic device, such as a notebook computer, a personal digital assistant, a cellular telephone, a portable compact disc player and the like, includes a body member and at least one contact provided on the body member. ...  
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 ...  
WO/2004/047236A1
An electrical current collector system has an electrically conductive slip ring mounted to a rotatable shaft and a fixed conducting ring assembly forming a partially enclosed AC high voltage electrical current conductive ring channel in ...  
WO/2004/047254A1
A holder-side connecting portion (10c) provided on a brush holder (10) and a connector-side connecting portion (16b) provided on a connector unit (16) are electrically and mechanically connected with each other and interposed between a y...  
WO/2004/044924A1
A commutator comprising a first and a second plate arranged to move relative to one another is provided. One of the plates comprises at least one input means arranged to allow a fluid to enter the commutator and one of the plates compris...  
WO/2004/042895A1
The invention relates to a brush holding assembly for carbon brushes (1) in an electric motor or electric generator and to an electrical machine equipped with a brush holding assembly of this type. According to the invention, the carbon ...  
WO/2004/042896A1
Anelectrically conductive brush box is located against the upper surface of a base and has crimping tabs located against an oppositely disposed crimping surface. The base is formed of high temperature resistant plastic. A field case hous...  
WO/2004/040715A1
A contact element holder, in particular a brush holder for a commutator or slip-ring motor is disclosed, comprising a support (11) fixed to the motor housing and a case (17) facing the rotor for the displaceable housing of a contact elem...  
WO/2004/038749A1
The invention relates to a method for the production of a brush arrangement (30), comprising a brush (20) and a brush holder (10) for a dynamoelectric machine, in particular for an electric motor with a commutator, whereby (i) the brush ...  
WO/2004/038905A2
The invention relates to a commutator for an electrical machine, comprising a carrier body (1) produced from a moulding material, and a plurality of metallic conductor segments (3) which are homogeneously arranged on said carrier body ab...  
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...  
WO/2004/034517A2
A brush holder assembly (1) for an electric motor comprises a plurality of brushes (9) distributed around a commutator (4) of the electric motor. Each brush (9) is equipped with a respective electric connecting cable (16) and is slidable...  
WO/2004/032309A1
A rotating electric machine for a vehicle such that the reliability of the brush wear limit is improved, the brush wear limit is stably detected, and the detection is displayed. The rotating electric machine comprises a detection termina...  
WO/2004/023609A1
A brush (4) for a mechanically-commutated dynamo-electric machine, in a particular an electric motor, is arranged in a brush guide (5), for the generation and/or maintenance of an electrical contact or slip contact between a fixed first ...  
WO/2004/021522A1
The invention relates to an electric machine, especially an electric motor, comprising a brush carrier (1) made of an insulating material and at least one brush (3) arranged in a tubular brush holder (2). The tubular brush holder (2) is ...  
WO2003065545A3
The invention relates to a brush holding plate comprising tubes and brushes which are guided into said tubes. The brushes are guided in a spring-loaded manner in the radial direction towards a central opening in the brush holding plate. ...  
WO2003044808B1
The invention relates to a resin bonded graphite material which is especially suitable for use as an electric contact. The invention also relates to a method for the production of a resin bonded graphite material especially for use as an...  
WO/2004/013939A1
A contact assembly of an alternator including aninterior chamber, which houses afirst end (46) of a rotor shaft (26) having an axis of rotation, first and second bearing assemblies (322, 323)coaxially aligned with the rotor shaft (26)and...  
WO/2004/006304A2
A homopolar machine with a current channeling rotor (2) rotating between the cylindrical aligned parallel permanet magnets (5 and 6). Currents are conducted by brushes (27) and slip rings (34) at both axial ends of the rotor.  
WO/2004/006358A2
The invention concerns current collector systems for multipolar machines (figure 1C) with many brushes (33). The electrical connections to outside electrical power source can be releasable (54, 144, 148).  
WO/2004/004335A1
The invention relates to a mobile radio device with a built-in pivoting camera, by means of which recordings in two opposed directions are possible. Concentric slip rings (4a, 4b, 4c; 9a, 9b, 9c) are provided with a fixed spatial relatio...  
WO/2004/004097A1
A commutatorless dc motor using slip rings (8) and brushes (16) to supply power to the coil (3) of a rotor (1). A plurality of slip rings (8) insulated from each other are fixed around the periphery of the rotary shaft (4) of the rotor (...  

Matches 701 - 750 out of 13,372