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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...
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WO/2004/021545A1 |
The invention relates to a fixing device which is used to fix a component (4; 15) to a brush carrier (1) for an electric machine. The fixing arrangement is integral with the brush carrier (1) and has at least one tapered area (7; 25, 26)...
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WO/2004/021543A1 |
The invention relates to a rotor for a commutated motor, comprising a rotor shaft (11), to which are fixed a rotor body (12) and a commutator (13) and a rotor winding (14), wound in coils (15) in the rotor body (12) and connected to the ...
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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...
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WO/2004/013945A1 |
Disclosed is a drum commutator for an electric machine, comprising a sleeve-shaped support element (1) made of an insulating pressing material, a plurality of metallic conductor segments (3) which are evenly arranged thereupon around the...
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WO/2004/008603A2 |
Magnet wires wound in slots in a lamination stack of a dynamoelectric machine are encapsulated, in whole or in par, with plastic. The plastic may be thermally conductive and have features molded therein that enhance heat transfer. The pl...
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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 (...
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WO/2003/107517A1 |
The invention relates to an electric motor (10) comprising a rotor, in addition to replaceable carbon brushes (38). One end of said brushes can be connected to a current source and the other end can be electrically connected to the rotor...
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WO/2003/107492A1 |
A brush assembly has a base with a member to secure the base to a motor end cap assembly. A brush housing is associated with the base. The brush housing includes first and second open ends. A brush, defining an axis, is slidably supporte...
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WO/2003/100919A1 |
The invention relates to a commutator comprising a cylindrical collector (1) arranged on a motor-rotor shaft and contacting means (4, 5) which come into contact with at least two out of several contact blades (3) which are predisposed on...
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WO/2003/100947A1 |
An electromechanical actuator comprises an electric motor (14) having brushes (15), coupled to a recirculating ball screw (18, 22) operable to convert the rotary motion of the rotor of the electric motor (14) into linear translation of t...
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WO2003071662B1 |
The invention relates to a holder (20) for a carbon brush (16, 18), particularly one which may be applied to a commutator (14), comprising a spring element with a fixing section (22) and a support section (24) for housing the carbon brus...
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WO/2003/088453A1 |
The invention relates to a drive arrangement with a unit comprising stator, rotor and fixed bearing in which a shaft of the motor is mounted, housed in a motor housing. An injection moulded piece comprises a plug piece on an external ann...
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WO/2003/081753A1 |
A rotary transformer has a bus duct assembly that extends through the hollow shaft of a rotary transformer from collector or slip rings positioned above a drive motor for the rotary transformer to end windings of the rotor positioned mos...
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WO/2003/081751A1 |
A terminal connection part structure of an electric motor with speed reduction mechanism, wherein a connection part (30) between brush side terminals (31a) to (31c) and power side terminal pieces (32a) to (32c) is disposed either of posi...
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WO/2003/075436A1 |
The invention relates to a commutator for an electric motor, in particular for a direct current motor. Said commutator comprises an insulating body (17), with a plurality of commutator segments (18) fixed thereto and arranged next to one...
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WO/2003/075417A1 |
The invention relates to a method for production of a multi-layer carbon brush (10), comprising at least two electrically-conducting functional layers (12, 14, 16) made from carbon material and at least one insulation layer made from an ...
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WO/2003/065545A2 |
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. ...
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WO/2003/063323A1 |
The invention relates to a device for suppressing the radio-interference of an electric commutator, in particular a direct current motor (10). Said device comprises a rotor (12) that is supplied with current by means of brushes (14a, b) ...
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WO/2003/052902A1 |
Devices and methods of use for brush holders are disclosed. A brush holder including an over-center locking device is disclosed. Also illustrated are methods and devices for maintaining brush pressure against a moving conductive surface ...
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WO/2003/049258A1 |
The subject of this invention is the way of forming the armature's commutator bars of the wire ends of the armature windings. The commutator consisting these and isolation material furthermore the processing method of these commutators w...
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WO/2003/047073A1 |
A thin brush device and a motor with a brush capable of being reduced in size in motor axis direction and preventing characteristics from being lowered, the brush device wherein guide parts are provided at the base part of the brush, rec...
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WO/2003/038974A1 |
The invention relates to an electric machine comprising a rotatable brush plate (10, 12) which is fixed in its end positions by means of at least one fixing unit (16, 18) acting in the circumferential direction (14). According to the inv...
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WO/2003/034574A1 |
A commutator wherein terminal pieces having winding connection terminals are insulated from one another and secured generally along the periphery of an insulating support, commutator pieces corresponding to the terminal pieces are insula...
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WO/2003/032469A2 |
Disclosed is an electric machine, especially a starter device for motor vehicles, comprising a stator (36) and a rotor (39). The rotor has a hollow shaft (63) with various shaft sections. The electric machine is characterized in that the...
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WO/2003/028190A1 |
The invention relates to a commutation device for an electrical machine, especially for a D.C. motor for use in motor vehicles. Said device comprises a commutator with a plurality of commutator bars insulated from one another and dispose...
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WO/2003/028171A1 |
The invention relates to a brush holder for an electrical machine comprising a commutator (10), especially for a d.c. motor in motor vehicles. Said brush holder comprises a tube (15), a brush (17) which consists of two brush elements (21...
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WO/2003/019749A1 |
A motor, wherein a recessed part is provided between the sliding surface of a brush and a commutator and a rotor to prevent abrasive powder produced by the sliding of the brush and the commutator from moving to a rotor side, whereby, sin...
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WO/2003/019735A1 |
The invention relates to a power supply device for a movable part (12) that rotates around or inside a fixed part. According to the invention, electric current is transmitted between the fixed part and the movable part via contact means ...
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WO/2003/017450A1 |
A motor commutator 10 is equipped with a magnet 16 for inclusion in a sensor assembly for detecting and diagnosing motor inefficiencies and problems as well as in adjusting motor parameters to impact motor operation. The commutator compr...
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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...
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WO/2003/005529A2 |
An electric machine according to prior art comprises a rotor shaft which must be mounted as a separate component. The inventive electric machine (1) is designed with a housing (4) and a bearing arrangement (49) in such a way that a rotor...
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WO/2002/099935A1 |
In an electric commutator machine provided with a brush bag according to prior art, the brush bag is arranged with fixing lugs in a relatively loose manner with respect to a brush holder. The inventive commutator machine (1) has a brush ...
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WO/2002/080314A1 |
The invention relates to a commutator (22; 22a; 22b), for a multi-pole commutator motor (14), with at least four stator poles (16 - 19) and with armature windings (31 - 42), co-operating therewith, each electrically connected to two comm...
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WO/2002/080315A1 |
The invention relates to a drum commutator comprising a cylinder-shaped support base (1) produced from an insulating pressed material, a plurality of metal conductor segments (3) with terminal lugs (8) disposed thereon and an equal amoun...
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WO/2002/075135A1 |
The invention relates to an electromotive actuating unit for a metering system of an internal combustion engine. Said unit comprises an actuator housing (13) and an actuator shaft (12) that is rotatably mounted therein and that operates ...
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WO/2002/075899A1 |
An actuating drive according to prior art comprises a plug contact arranged on a printed circuit board, and a brush holder which is not arranged on the printed circuit board, but is electrically connected thereto, the disadvantage of one...
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WO/2002/069477A1 |
An exciting substrate of rotary electric machinery, comprising one sheet of metal plate (10) forming a series of exciting patterns (12) to be separated into a plurality of parts and a mold resin (20) having the metal plate (10) inserted ...
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WO/2002/064269A1 |
A small-sized vibrating motor, comprising a cup-shaped external case (15) having a rise tube (15b) installed at the center of a closed face (15c), wherein a stator and a rotor are stored in the external case (15) from one shaft end of a ...
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WO/2002/060040A1 |
The invention relates to an armature (1) with a depression (7) in the commutator (2). Said depression has seepage barriers (15) that prevent liquid (23) from coming into contact with the plates (4) of the commutator (2).
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WO/2002/056445A1 |
An electric motor having an armature which includes a coating of thermally conductive plastic applied in a conventional injection molding process. The armature also includes a fan which is integrally formed from the thermally conductive ...
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WO/2002/039564A2 |
An arc length-contacting with a commutator-of two brushes in a rotational direction of a motor is defined as not more than 5% of an outer rim length of the commutator, i.e., not more than $g(p)x/20, where A is an outside diameter of the ...
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WO/2002/035681A2 |
In an armature according to prior art, components are insufficiently secured to the rotor shaft. With the inventive armature (1), the components (7, 20) are at least partially arranged together in a positive fit and are maintained in a r...
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WO/2002/023682A1 |
The invention relates to a brush holder for commutating machines, comprising a plurality of commutator brushes (15) adapted to be placed on a commutator (18) of the commutating machine in a nonpositive fit. One each of said brushes is gu...
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WO/2002/021667A1 |
The invention relates to an electric drive system, especially for a fan of a motor vehicle, comprising an electric drive motor and an electronic control unit for controlling the drive motor. Said drive motor comprises a commutator and as...
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WO/2002/019478A1 |
In a conventional hook commutator a soldered connection (15), which connects a carbon segment (13) to a lamella (11) can be broken, because heat is produced during the hot-staking process for fixing the winding wires. According to the in...
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WO/2002/019503A1 |
An armature for an electrical machine according to the prior art has the carbon brush and the commutator hooks on one side of a laminated core. This increases the axial construction length of an electromotor. The inventive armature for a...
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WO/2002/011269A1 |
A planar carbon segment commutator assembly (10) made by forming an annular conductor substrate (50) with an annular front projection (18) extending integrally and axially from a front surface (14) of the substrate (50). An annular carbo...
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WO/2002/008480A1 |
A sliding contact material comprising Ag-Ni based alloy having Ni metal particles dispersed for use in a sliding part for practicing electrical make and break by mechanical sliding operations, characterized in that it is prepared by admi...
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WO/2001/095439A1 |
The invention concerns an electric motor, in particular a gear motor for activating vehicle functional equipment items, comprising a rotor shaft (1) provided with a commutator (2) co-operating with conductive brushes (3) arranged in brus...
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