Patents for H01R 39 - Rotary current collectors, distributors, or interrupters (9,168)
01/1994
01/05/1994DE4221479A1 Contact assembly maintaining EM screening of room - has brush with metal base and steel or phosphor-bronze wire bristles forming contact between fixed and moving parts
01/04/1994US5276283 Distributor cap
12/1993
12/29/1993EP0576258A2 Differentially-pumped ferrofluidic seal
12/29/1993EP0576239A2 Miniature motor
12/29/1993EP0391937B1 Sliding contact arrangement for carbon brushes
12/29/1993CN1023302C Roller head for resistance seam-welding machine
12/28/1993US5274292 Collector ring assembly and method
12/23/1993WO1993026065A1 Commutator for electric motors and apparatus for automatic welding of non noble metal current input legs to segments of the slip ring of a commutator
12/21/1993US5272404 Miniature motor having a built-up commutator
12/15/1993CN1079587A Miniature motor
12/14/1993US5270504 Sliding contact member for high currrent densities
12/14/1993US5270501 Copper-based sintered alloy electrode for use in ignition distributor of internal combustion engine
12/09/1993DE4318657A1 Car IC engine ignition system - has diodes for ionisation currents embedded in distributor cap between peripheral and central terminals
11/1993
11/30/1993US5266860 Commutator
11/30/1993US5266767 Fusing machine reciprocating turret with automatic electrode replacement
11/30/1993US5266022 Mold structure for manufacturing brush holder as part of an integrated molding process for an electric motor gear frame housing
11/24/1993EP0571072A1 An assembled commutator
11/23/1993US5263562 Carbon brush for collector
11/16/1993US5262694 Fluid resistant brush holder assembly
11/11/1993DE4314329A1 Electromotor sliding contact with vibration damping - is formed from compressed powder with over compressed zone formed around end of conductor to hold fast against vibration
11/04/1993DE4214372A1 Commutator for electric machine utilising thermal properties of metal - has conductive blades hooked into insulating material of boss and secured by expansion of metal or shrinkage of insulation
11/03/1993CN1078071A An assembled commutator
10/1993
10/26/1993US5256925 Brush holder with improved spring clip arrangement
10/26/1993US5255886 Rotating device for Christmas tree
10/26/1993US5255426 Method of making a carbon commutator
10/20/1993EP0566505A1 Connector for ignition circuit of an internal combustion, explosion, spark ignited engine
10/20/1993CN1077570A Dual action axial pressing type conductive slip ring
10/13/1993CN2143835Y Differential slip-ring
10/12/1993US5252878 For a dynamoelectric machine
10/07/1993DE4309519A1 Brush system for starter motor of motor vehicle - has trapezoidal section brush locating in profiled slots with coil spring force for retention against end commutator surface
10/05/1993US5250756 Pultruded conductive plastic connector and manufacturing method employing laser processing
10/05/1993US5249970 Bifurcated housing
09/1993
09/30/1993WO1993019502A1 Armature
09/30/1993DE4210032A1 Interference suppression jacket for ignition distributor cap - is screwed to underpart when pins of ignition leads are gripped in sleeve-shaped elements under elastic individual covers
09/29/1993CN2143012Y Convenient pullswitch box of power supply
09/14/1993US5245241 Brush holder in ac generator for vehicles
09/14/1993US5245240 Armature having a flat disk type commutator
09/08/1993CN2141941Y Graphite-copper graphite composite brush
09/01/1993EP0557565A1 Low-noise commutator motor
09/01/1993EP0412123B1 Collector shoe for collector and process for producing it
08/1993
08/18/1993EP0555455A1 Method for measuring the temperature of the crimping or welding area during a heat crimping or spot welding operation, and methods for controlling the parameters of crimping and spot welding operations.
08/18/1993CN2140572Y Constant voltage brush movement holder
08/11/1993CN2140107Y Compound collector ring
08/10/1993US5235230 Miniature motor terminal
08/10/1993US5234347 Rotatable connector for telephone transmitter
08/05/1993DE4203070A1 Electric motor commutator brushes arrangement - has blocks which hold outer brushes in reserve until inner brushes are worn down when outer brushes are then brought into contact with commutator.
08/04/1993EP0554171A1 Brush-holder for electric motor of the rotating collector type
08/04/1993EP0553813A2 A brush device
07/1993
07/29/1993DE4201701A1 Carbon@ brush with wear signalling function - provided by small diameter fixed into hole in brush and with side fixing provided by powder based mix
07/29/1993DE4201593A1 Kommutator fuer elektrische maschinen und verfahren zu seiner herstellung Commutator for electrical machinery and process for its manufacture
07/27/1993US5231374 Apparatus and method for acquiring electrical signals from rotating members
07/27/1993US5231322 Cartridge brush with integral filter inductor
07/21/1993EP0551740A1 A miniature electric motor with a spark-quenching element
07/21/1993EP0551551A1 Commutator motor, in particular for the auxiliary drive of motor vehicles
07/21/1993CN1021685C Armature for electric motor
07/21/1993CN1021679C Armature
07/13/1993US5227950 Shaft grounding brush and holder
07/13/1993US5227689 Metal-filled graphite for miniature motors and method of making same
07/13/1993US5227688 Brush holder for vehicular A.C. generator
07/13/1993US5227685 Dual function corrector for brush motor
06/1993
06/30/1993EP0548244A1 Reduced noise commutator
06/30/1993EP0548176A1 A method and an apparatus for manufacturing an article of a composite material, an article, disc brake, a commutator and a commutator brush made by the method.
06/30/1993EP0504294A4 Electrical commutator and method for making same
06/30/1993CN1073812A A miniature motor
06/29/1993US5224138 Slip ring device
06/23/1993EP0547437A2 Brush alignement device for electrical machines
06/15/1993US5220588 Low inertia brush block assembly
06/09/1993DE4140013A1 Current supply device for rotating shaft in printing press - has cylinder with circumferential contact rings which form closed circuit with brushes, only when current is applied.
06/03/1993DE4139652A1 Electrically conductive springs, partic. for use as friction contacts - are prepd. by mixing metal fibres or like and plastic, homogenising, shaping, cooling, and roughening surface of spring
06/01/1993CA1318715C Dc motor with a durable pigtail arrangement
05/1993
05/28/1993CA2083747A1 Cord winding device
05/26/1993EP0543503A1 High voltage connector
05/25/1993US5214335 Brush and slip ring apparatus for dynamoelectric machines
05/19/1993EP0542451A1 An assembled commutator
05/19/1993DE4137400A1 Pressed commutator for electrical machine - has metal commutator unit with formed anchoring projections that are embedded into synthetic resin pressed core.
05/13/1993DE4207007C1 Computer tomography appts. with continuous rotating measuring unit - feeds x=ray energy over current feed to x=ray detector via insulated annular rotating disc
05/11/1993US5209195 Ignition distributor
05/05/1993EP0540306A1 Miniature electric motors
05/04/1993US5208502 Sliding current collector made of ceramics
05/04/1993US5208499 EMI/RFI suppressing brush holder assembly for electric machines
05/04/1993CA1317330C Seal
04/1993
04/29/1993DE4204680C1 Mfg. method for commutators and brushes for electric motors and machines - impregnating basic material with micro particles of powdered or granulated graphite and plastic mixture to reduce friction of brushes on commutator ring
04/29/1993DE4135054A1 Mounting laminated core on shaft of small electric motor - eroding surfaces of shaft in electrical discharge machining process to increase diameter
04/29/1993DE4134946A1 Carrier plate for carbon@ brushes of electric motor - has plate of insulating material with brushes in guides on one side and connections on other
04/28/1993EP0538706A2 Electric machine
04/28/1993EP0538620A1 Electric machine
04/22/1993DE4137384C1 Fault warning circuitry for electric power tool - has sensor built into motor to detect wear of carbon@ brushes
04/20/1993US5204574 Commutator for a motor and method of manufacturing the same
04/08/1993DE4232692A1 Carbon@ brush holder for electric motor - is held in flat plastics moulded carrier plate profiled to fit
04/08/1993DE4231191A1 Slip ring unit for steering wheel hub units - has annular space between parts containing contact elements spring loaded and coupled to circuit board
04/07/1993EP0449909B1 Graphite trolley shoe and process for its manufacture
04/07/1993CN1070733A Method of measuring temperature
04/01/1993WO1993006573A1 Rotating electrical signal generating data acquisition apparatus and method
03/1993
03/31/1993EP0534268A2 Fusing machine
03/31/1993CN1020226C Miniature motor
03/30/1993US5198712 Cartridge brush assembly
03/18/1993WO1993005545A1 A method of forming an electrically conductive joint between carbon and metal, and an article comprising a conductive joint between carbon and metal
03/18/1993WO1993004835A1 Skewed rotor assembly
03/18/1993WO1993004812A1 Method for measuring the temperature of the crimping or welding area during a heat crimping or spot welding operation, and methods for controlling the parameters of crimping and spot welding operations
03/16/1993US5194774 Electric-powered tool
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