Patents for H01R 39 - Rotary current collectors, distributors, or interrupters (9,168)
12/2004
12/22/2004EP1489725A1 Terminal connection part structure of electric motor with speed reduction mechanism
12/22/2004EP1489724A1 Brush type DC electric machine
12/22/2004EP1489705A2 Metal graphite material and production method thereof
12/22/2004EP1488494A1 Connecting device for contacting electric machines
12/22/2004CN2665998Y Improved rotor apparatus of asynchronous motor
12/22/2004CN2665997Y Assembled commutator
12/22/2004CN2665996Y Commutator with multi-hook sheet type commutator segments
12/21/2004US6833650 Plane commutator of motor having a base made of conductive powder
12/16/2004WO2004109668A1 Optical scanning device
12/16/2004DE10324708A1 Schleifringelement und Verfahren zu dessen Herstellung Slip ring element and process for its preparation
12/15/2004EP1485974A1 Commutator and method for the production thereof
12/15/2004CN2664238Y Diameter variable commutator
12/15/2004CN2664237Y Commutator having circumferential hook segment type commutator bar
12/15/2004CN1180525C Electric brush device of small motor and producing method thereof
12/09/2004US20040245886 Brush holder device for dynamoelectric machine
12/09/2004US20040245885 Brush-holder system and driving device
12/09/2004CA2527536A1 Electrical power distribution device
12/08/2004CN2662493Y Reacting oblique brush holder apparatus for DC motor
12/08/2004CN2662492Y DC motor commutator
12/08/2004CN1179467C Current feeding device for EGR valve devices
12/02/2004US20040242025 Slip-ring element and method for its manufacture
12/02/2004US20040239206 Brush holder device for dynamoelectric machine
12/02/2004US20040239205 Commutator for electric motors
12/02/2004DE19654339B4 Erdungskontakteinrichtung Earthing contact device
12/02/2004DE10320236A1 Carbon brush for electrical machines with brush wear indication has at least one actuating device that interacts with switch element and protrudes out of carbon brush
12/02/2004DE10319248A1 Schleifring mit verlustbehafteter Leiterbahn Slip ring with lossy interconnect
12/02/2004DE10317426A1 Rückhalteelement für Kohlebürsten eines Kommutatormotors Retainer for carbon brushes of a commutator motor
12/01/2004EP1482604A2 Slip ring element and process of fabrication
12/01/2004EP1481449A1 Method for production of a multi-layer carbon brush
12/01/2004CN1551465A Flat rotor and motor comprising the same
12/01/2004CN1551426A Constant force cartridge brush holder
12/01/2004CN1178339C Rotary electric contactor
11/2004
11/25/2004US20040232798 Method of manufacturing commutator of rotary electric machine
11/24/2004EP1480296A1 Automotive alternator and automotive alternator brush abrasion detection system
11/24/2004EP1479135A1 Contact arrangement with contact pieces guided towards each other and are displaced in a longitudinal manner and roller-type contacts for making contact in one such contact arrangement
11/24/2004EP1479134A1 Brush for the commutator of an electric machine
11/23/2004US6822367 Brush holder device for dynamoelectric machine
11/23/2004US6822366 Brush assembly
11/23/2004US6822365 Small brush motor
11/23/2004US6821222 Belt tensioning system and method
11/18/2004DE10319460A1 Elektrohandwerkzeugmaschine mit elektromotorischem Antrieb Electric hand tool with electric drive
11/18/2004DE10319395A1 Electric machine with improved conductive brush carrier with integral contact region for contact with a counter contact
11/17/2004EP1476935A1 Holder for a carbon brush
11/17/2004CN2657239Y Liner for commutator
11/17/2004CN2657238Y Liner for commutator
11/11/2004WO2004098018A1 Slipring comprising a slideway that is subject to loss
11/11/2004WO2004098000A1 Electric manual machine tool driven by an electric motor
11/11/2004US20040224542 Elastomeric electrical connector
11/11/2004US20040221445 Rotor for small-sized motor and method of manufacturing same
11/10/2004EP1105041B1 Method of and device for cleaning a slip ring
11/10/2004CN2655473Y Commutator bush
11/09/2004US6815862 Multilayer brush
11/09/2004US6814580 Rotatable connector
11/04/2004WO2004095672A2 Constant force brush cartridge holder
11/04/2004WO2004086571B1 Commutator
11/04/2004DE102004016149A1 Metallbeschichtete Kohlebürste Metal-coated carbon brush
10/2004
10/28/2004WO2004093296A1 Fuel pump comprising an electric motor
10/28/2004WO2004075421A8 Broadband high-frequency slip ring system
10/28/2004US20040212272 Metal coated carbon brush
10/28/2004US20040212270 Flat rotor and motor comprising the same
10/28/2004DE19810873B4 Elektromotor Electric motor
10/28/2004DE10317594A1 Fuel pump with electric motor, e.g. for motor vehicle, has several segments of commutator covered by one carbon brush in each rotary position of commutator
10/28/2004DE10316752A1 Electric machine especially a three phase current generator for a vehicle, has iron components and minus sliding contact elements conductively connected together
10/28/2004DE10315663A1 Device for transmitting electrical signals or energy between moving units, e.g. slideway or slip-ring, has conductive track made of carbon material applied as thin layer to carrier
10/27/2004EP1470630A1 Device for suppressing the radio-interference of an electric commutator
10/27/2004EP1470629A2 Brush holding plate for an electric motor, corresponding electric motor and assembly method
10/27/2004CN1540810A Metal coated carbon brush
10/27/2004CN1540809A Method for producing strengthening ring made from glass reinforced plastics in didicated use for commutator of electrical motor
10/26/2004US6809455 Brush holder comprising brushes with contact tabs, spring and damping element
10/21/2004US20040209108 An adhesive material joining a metal terminal and a ceramic member, containing indium metal adhesive layer with high bonding strength, prevents crack formation in the ceramic material
10/21/2004DE19743080B9 Überwachen des Verschleißzustands der Kommutatorbürste des Elektromotors einer Fahrzeugkraftstoffpumpe Monitoring the wear condition of the commutator of the electric motor of a vehicle fuel pump
10/21/2004DE10314397A1 Pneumatic brush wear indicator e.g. for electric motor carbon brushes, uses pneumatic sensor supplied with gas from pressure source
10/20/2004EP1469577A2 Connection terminal for an electric motor
10/20/2004EP1469576A2 Connection terminal for an electric motor
10/20/2004EP1469567A2 Constant force cartridge brush holder
10/20/2004EP1469566A2 Retaining element for brushes in a commutator motor
10/20/2004CN2650354Y Strip-ine pressnig one-time shaping electric brush
10/14/2004US20040203258 Connecting device for contacting electric machines
10/14/2004US20040201296 Electric motor
10/14/2004US20040201295 Electric motor
10/14/2004DE10259620B4 Stromversorgung für Einkaufswagen Power to Shopping Cart
10/13/2004EP0937320B1 Cut-out brush for electric hand tool
10/13/2004CN2648688Y Hollow cup DC motor
10/13/2004CN1537348A Commutator for electric motor
10/12/2004US6803685 Encoder apparatus integrated with a small-size motor
10/12/2004US6802656 Retained hardware system and method
10/07/2004WO2004086571A1 Commutator
10/07/2004US20040198085 Rotatable connector
10/06/2004EP1154549B1 Dc motor
10/06/2004CN1170353C DC motor with electric brush
10/06/2004CN1170351C DC motor
10/05/2004US6800982 Electric motor having brush holder with axial movement limiting armature contact member protector
10/05/2004US6800981 Tubular brush holder
09/2004
09/30/2004WO2004084362A1 Noise reduced electric power conversion device
09/30/2004US20040191125 Rotating platform; heating; temperature detector; electron spindle rotors for transferring electricity signal
09/30/2004US20040189116 Electric motor
09/29/2004EP1463182A2 Connection terminal for an electric motor
09/29/2004CN2645329Y Modified external rotor plane reversal brushed motor
09/29/2004CN2645295Y Low abrasion electrical brush
09/29/2004CN2645294Y Radial contact reverser for uniphase motor
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