EP0684670B1 - Bürstenhalter - Google Patents

Bürstenhalter Download PDF

Info

Publication number
EP0684670B1
EP0684670B1 EP95107353A EP95107353A EP0684670B1 EP 0684670 B1 EP0684670 B1 EP 0684670B1 EP 95107353 A EP95107353 A EP 95107353A EP 95107353 A EP95107353 A EP 95107353A EP 0684670 B1 EP0684670 B1 EP 0684670B1
Authority
EP
European Patent Office
Prior art keywords
brush holder
scraper
holder according
brush
rib
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP95107353A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0684670A2 (de
EP0684670A3 (de
Inventor
Werner Dipl.-Ing. Göb (FH)
Siegfried Dipl.-Ing. Heger (Fh)
Burkard Dipl.-Ing. Röchner (FH)
Thomas Drexlmaier
Tobias Dipl.-Ing. Veil
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE9408670U external-priority patent/DE9408670U1/de
Priority claimed from DE9413421U external-priority patent/DE9413421U1/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0684670A2 publication Critical patent/EP0684670A2/de
Publication of EP0684670A3 publication Critical patent/EP0684670A3/de
Application granted granted Critical
Publication of EP0684670B1 publication Critical patent/EP0684670B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/38—Brush holders
    • H01R39/39—Brush holders wherein the brush is fixedly mounted in the holder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/38—Brush holders

Definitions

  • the invention relates to a brush holder according to claim 1.
  • a plastic hammer brush holder for an electrical machine in which the brush can be inserted with one end between side walls of a receiving opening of the brush holder with a clamp.
  • a suppression choke is mounted on the top of the brush back of the hammer brush holder in that at the ends of the brush holder back at least partially elastic, different diameters of the winding ends of the suppression choke are integrally molded into which the winding ends can be plugged in the sense of a fixed, final mounting of the suppression choke.
  • a secure tight fit of the carbon brush in the insertion opening of the plastic brush holder can be guaranteed in any case even in rough operating conditions in that at least one side wall of the insertion opening with a protruding scraper rib against the carbon brush comes to rest and the scraper rib is arranged or designed in the sense of a system which is laterally and / or vertically variable in relation to the carbon brush as the insertion depth of the carbon brush increases.
  • the arrangement or design of the scraper ribs according to the invention ensures that material of the carbon brush is also taken into account when the carbon brush is inserted in the area of the pressing scraper rib, in particular with undersized tolerances of the receiving opening is removed, in any case a secure clamp connection is guaranteed when the carbon brush is pressed in further, since a virgin counterpressure surface is available for the scraper rib when the carbon brush is pressed in.
  • the system pressure guaranteed over the entire insertion depth can be changed by
  • an arrangement of the scraper rib running obliquely with respect to the insertion direction or, in particular with a scraper rib running constantly in the pressing direction, can be achieved by an increasing height of the projecting scraper rib relative to the carbon brush.
  • scraper rib that widens conically or triangularly with increasing insertion depth or by scraper rib parts that are laterally offset in the insertion direction.
  • FIG. 1 shows an axial longitudinal section of a plastic hammer brush holder 1, on the top of which the back of the brush has an interference suppressor 5 held in the manner known from the aforementioned DE-C3-28 14 009.
  • a carbon brush 2 is inserted with its upper free end with a clamp from the downwardly open side of the receiving opening.
  • the carbon brush 2 is clipped with a brush connecting wire 3 to an outer connecting line 4, which is also used for the coil winding of the interference suppressor 5 wound around an iron core 5.1.
  • the plastic hammer brush holder 1 has at its end facing away from the carbon brush 2 a cutting edge 1.6 with which it can be pivoted in a manner not shown here in a cutting edge bearing of a commutator motor in such a way that the carbon brush 2 with its free end facing away from the receiving opening Can contact the surface of a commutator or slip ring.
  • scraper ribs according to the invention arranged there in various embodiments or arrangements.
  • FIG. 2 shows, based on a plan view of the one side wall 1.
  • scraper ribs according to the invention arranged there in various embodiments or arrangements.
  • FIG. 2 shows, a modification in that a scraper rib extending laterally in a triangular shape extends over the entire insertion depth, ie, in contrast to FIG. 2, also over the last insertion region.
  • scraper ribs 8 show two exemplary embodiments with scraper ribs laterally offset in the region of the increasing insertion depth.
  • a virgin contact surface results from the scraper rib parts 8.1; 8.2 or 8.3; 8.4, which are laterally offset from the previous scraper ribs 8.
  • the scraper ribs 8 after about two thirds of the insertion depth, are replaced by scraper rib shoulders 8.5, 8.6 with lateral extension to the previously located scraper ribs 8.
  • a central web 1.5 extending from the right end of the plastic hammer brush holder 1 in the direction of the back of the brush holder extends as an advantageous support to the side wall 1.2 of the receiving opening
  • the mouth of the central web 1.5 is expediently on both sides and thus to a small extent wall parts of the side wall 1.2 provided elastically in the direction of the back of the brush holder; in all exemplary embodiments, only a single, preferably centrally arranged scraper rib 9 is provided in the shorter side wall 1.3 of the overall rectangular receiving opening, which e.g. how the scraper rib 6 in FIG. 2 or the scraper rib 7 in FIG. 3 can be designed with a width that widens as the insertion depth increases.

Landscapes

  • Motor Or Generator Current Collectors (AREA)
  • Brushes (AREA)
EP95107353A 1994-05-27 1995-05-15 Bürstenhalter Expired - Lifetime EP0684670B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE9408670U DE9408670U1 (de) 1994-05-27 1994-05-27 Bürstenhalter für eine elektrische Maschine
DE9408670U 1994-05-27
DE9413421U 1994-08-19
DE9413421U DE9413421U1 (de) 1994-08-19 1994-08-19 Bürstenhalter

Publications (3)

Publication Number Publication Date
EP0684670A2 EP0684670A2 (de) 1995-11-29
EP0684670A3 EP0684670A3 (de) 1996-04-10
EP0684670B1 true EP0684670B1 (de) 1997-03-05

Family

ID=25962097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95107353A Expired - Lifetime EP0684670B1 (de) 1994-05-27 1995-05-15 Bürstenhalter

Country Status (4)

Country Link
US (1) US5686775A (es)
EP (1) EP0684670B1 (es)
DE (1) DE59500121D1 (es)
ES (1) ES2098988T3 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19607196A1 (de) 1996-02-26 1997-08-28 Siemens Ag Kunststoff-Hammerbürstenhalter
US6246144B1 (en) 1998-07-21 2001-06-12 Morganite Incorporated Carbon brush holders or cards
EP1005115A1 (de) * 1998-11-27 2000-05-31 Siemens Aktiengesellschaft Hammerbürstenhalterung mit Kippsicherung
US6380656B1 (en) * 2000-06-28 2002-04-30 Visteon Global Technologies, Inc. Liquid cooled alternator brush holder ribs
US6617744B2 (en) 2000-08-23 2003-09-09 Siemens Vdo Automotive Inc. DC motor brush card assembly having attaching structures and multiple choke coils with elongated portions
US6812605B2 (en) * 2002-10-01 2004-11-02 Siemens Vdo Automotive Inc. Self-retained RFI suppression choke for electric motor
US6707220B1 (en) * 2003-02-12 2004-03-16 Siemens Vdo Automotive, Inc. Electric motor brush holder for suppressing audible and electromagnetic noise
DE102004026792B4 (de) * 2004-06-02 2008-12-24 Continental Automotive Gmbh Körpervorrichtung
US7705512B2 (en) 2006-10-06 2010-04-27 Remy International, Inc. Dynamoelectric machine conductor
US7696666B2 (en) 2006-10-06 2010-04-13 Remy Technologies, L.L.C. Dynamoelectric machine grommet
US7466056B2 (en) 2006-10-06 2008-12-16 Remi International, Inc Dynamoelectric machine brush holder assembly and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5234004U (es) * 1975-09-02 1977-03-10
US4059776A (en) * 1976-04-19 1977-11-22 Stackpole Carbon Company Electric motor brush mounting
DE2814009C3 (de) 1978-03-31 1981-05-27 Siemens AG, 1000 Berlin und 8000 München Kunststoff-Hammerbürstenhalter mit Entstördrossel
DE3012740A1 (de) * 1980-03-28 1981-10-08 Siemens AG, 1000 Berlin und 8000 München Magnetische zentral-drehkupplung
DE3022466A1 (de) * 1980-06-14 1982-01-14 Robert Bosch Gmbh, 7000 Stuttgart Buerstenhalter fuer elektrische maschinen, insbesondere drehstromgeneratoren in kraftfahrzeugen
DE59202257D1 (de) * 1992-09-07 1995-06-22 Siemens Ag Geräuschgedämpfte Bürstenhalterung, insbesondere für einen Kommutator-Kleinmotor.
US5315199A (en) * 1993-04-30 1994-05-24 Ryobi Motor Products Corp. Bidirectional brush holder assembly

Also Published As

Publication number Publication date
ES2098988T3 (es) 1997-05-01
EP0684670A2 (de) 1995-11-29
DE59500121D1 (de) 1997-04-10
EP0684670A3 (de) 1996-04-10
US5686775A (en) 1997-11-11

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