Rotary current collectors, distributors, or interrupters

HELECTRICITY H01Electric elements H01RLINE CONNECTORS CURRENT COLLECTORS

H01R39/00Rotary current collectors, distributors, or interrupters

H01R39/02Details for dynamo electric machines H01R39/022characterised by the materials used H01R39/025Conductive materials H01R39/027Insulating materials H01R39/04Commutators H01R39/045the commutators being made of carbon H01R39/06other than with external cylindrical contact surface H01R39/08Slip-rings H01R39/085the slip-rings being made of carbon H01R39/10other than with external cylindrical contact surface H01R39/12using bearing or shaft surface as contact surface H01R39/14Fastenings of commutators or slip-rings to shafts H01R39/16by means of moulded or cast material applied during or after assembly H01R39/18Contacts for co-operation with commutator or slip-ring H01R39/20characterised by the material thereof H01R39/22incorporating lubricating or polishing ingredient H01R39/24Laminated contacts Wire contacts H01R39/26Solid sliding contacts H01R39/27End caps on carbon brushes to transmit spring pressure H01R39/28Roller contacts Ball contacts H01R39/30Liquid contacts H01R39/32Connections of conductor to commutator segment H01R39/34Connections of conductor to slip-ring H01R39/36Connections of cable or wire to brush H01R39/38Brush holders H01R39/381characterised by the application of pressure to brush H01R39/383characterised by the electrical connection to the brush holder H01R39/385Means for mechanical fixation of the brush holder H01R39/386Electrically insulated bolts H01R39/388characterised by the material of the brush holder H01R39/39wherein the brush is fixedly mounted in the holder H01R39/40enabling brush movement within holder during current collection H01R39/41Cartridge type H01R39/415with self-recoiling spring H01R39/42Devices for lifting brushes H01R39/44Devices for shifting brushes H01R39/46Auxiliary means for improving current transfer, or for reducing or preventing sparking or arcing H01R39/48by air blast by surrounding collector with non-conducting liquid or gas H01R39/50Barriers placed between brushes H01R39/52by use of magnets H01R39/54by use of impedance between brushes or segments H01R39/56Devices for lubricating or polishing slip-rings or commutators during operation of the collector H01R39/58Means structurally associated with the current collector for indicating condition thereof H01R39/59Means structurally associated with the brushes for interrupting current H01R39/60Devices for interrupted current collection H01R39/62with more than one brush co-operating with the same set of segments H01R39/64Devices for uninterrupted current collection H01R39/643through ball or roller bearing H01R39/646through an electrical conductive fluid