EP0651472B1 - Kunststoff-Hammerbürstenhalteranordnung - Google Patents

Kunststoff-Hammerbürstenhalteranordnung Download PDF

Info

Publication number
EP0651472B1
EP0651472B1 EP94116338A EP94116338A EP0651472B1 EP 0651472 B1 EP0651472 B1 EP 0651472B1 EP 94116338 A EP94116338 A EP 94116338A EP 94116338 A EP94116338 A EP 94116338A EP 0651472 B1 EP0651472 B1 EP 0651472B1
Authority
EP
European Patent Office
Prior art keywords
brush
brush holder
plastic hammer
type brush
holder arrangement
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
EP94116338A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0651472A3 (de
EP0651472A2 (de
Inventor
Peter Dipl.-Ing. Tiemeyer
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
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0651472A2 publication Critical patent/EP0651472A2/de
Publication of EP0651472A3 publication Critical patent/EP0651472A3/de
Application granted granted Critical
Publication of EP0651472B1 publication Critical patent/EP0651472B1/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

Definitions

  • the invention relates to a plastic hammer brush holder arrangement according to the preamble of claim 1; such an arrangement or a single hammer brush holder of this type are known from EP-B1-0 175 993 and DE-C3-28 14 009.
  • the known hammer brush holders are injection molded as a one-piece hard plastic part with at least one brush holder on one end and a bearing holder on the other end of a brush support arm.
  • a brush which grips the commutator of a commutator motor with its other free end, is inserted into the brush holder and contacted with a power connection.
  • the brush support arm is pivotally suspended from a brush holder via the bearing mount in such a way that, on the one hand, e.g. under spring tension, with its brush-side end pressed against the surface of the commutator, on the other hand, the unevenness can be followed when grinding the commutator surface without interrupting the contact.
  • the known hammer brush holder arrangement can give rise to undesirable operational noises which have previously been attempted to counteract by special brush holder or commutator constructions and thus by means which are too expensive for a mass product.
  • the plastic hammer brush holder arrangement according to the invention makes it possible to achieve a substantial noise reduction by simply sheathing, in particular overmolding an otherwise unchanged component with an elastic rubber material or thermoplastic elastomer, by not only insulating the radiation of noise, but also, surprisingly, the generation of noise Vibration noise in the walls of the hammer brush holder adopted unchanged is damped.
  • FIG. 6, 7 show a single known brush support arm 5, again not provided with a jacket, which has a cutting-shaped bearing 51 at one end and a brush holder 56 at its other end, into which a brush 7 is clamped.
  • a suppressor choke 11 is arranged on the back of the brush, and its terminal ends 11.1; 11.2 are clamped in elastic slot-shaped suppressor choke holders 53; 54, which are integrally molded onto the brush support arm 5 and are thereby held in an advantageous and simple manner.
  • the brush-side connection end 11.1 of the suppressor choke 11 is clamped to a connection 11.3, which through a brush connection opening 57 in the brush support arm 5 reaches into the brush holder 56 and is contacted there with the brush 7.
  • FIG. 1-5 show in different views or sections and partial sections the embodiment of a single brush support arm 5 described above with reference to FIG. 6,7, which, however, is provided according to the invention with a casing 9 made of a rubber material or thermoplastic elastomer.
  • this sheathing 9 can be preformed as a profile part and then clamped or snapped onto the brush support arm 5 known per se or sprayed onto the brush support arm 5 known per se in still further manufacturing simplification.

Landscapes

  • Motor Or Generator Current Collectors (AREA)
  • Pens And Brushes (AREA)
  • Vehicle Body Suspensions (AREA)
EP94116338A 1993-10-28 1994-10-17 Kunststoff-Hammerbürstenhalteranordnung Expired - Lifetime EP0651472B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9316543U 1993-10-28
DE9316543U DE9316543U1 (de) 1993-10-28 1993-10-28 Kunststoff-Hammerbürstenhalteranordnung

Publications (3)

Publication Number Publication Date
EP0651472A2 EP0651472A2 (de) 1995-05-03
EP0651472A3 EP0651472A3 (de) 1996-04-03
EP0651472B1 true EP0651472B1 (de) 1997-01-29

Family

ID=6900043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94116338A Expired - Lifetime EP0651472B1 (de) 1993-10-28 1994-10-17 Kunststoff-Hammerbürstenhalteranordnung

Country Status (3)

Country Link
EP (1) EP0651472B1 (es)
DE (2) DE9316543U1 (es)
ES (1) ES2097600T3 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007044399A1 (de) 2007-09-18 2009-04-09 Continental Automotive Gmbh Vierpoliger elektromotorischer Antrieb mit einem Hammerbürstenhaltersystem

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9509869D0 (en) * 1995-05-16 1995-07-12 Johnson Electric Sa Brush assembly for an electric motor
DE19607196A1 (de) * 1996-02-26 1997-08-28 Siemens Ag Kunststoff-Hammerbürstenhalter
US6707220B1 (en) 2003-02-12 2004-03-16 Siemens Vdo Automotive, Inc. Electric motor brush holder for suppressing audible and electromagnetic noise
DE202010009940U1 (de) 2010-07-07 2011-10-27 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Entstördrossel für einen Elektromotor
DE102011115293A1 (de) 2011-09-29 2013-04-04 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Elektromotor mit einer Bürsteneinrichtung
FR3045975B1 (fr) 2015-12-17 2018-11-16 Valeo Systemes D'essuyage Ensemble porte-balai pour moteur electrique
DE102021201100A1 (de) 2021-02-05 2022-08-11 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg Befestigungsanordnung eines leiterplattenmontierten Bauelements
DE102021201099A1 (de) 2021-02-05 2022-08-11 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg Befestigungsanordnung eines leiterplattenmontierten Bauelements

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2153237A1 (de) * 1971-10-26 1973-05-03 Kollektra Metall Kunststoff Buerstenhalter mit befestigungsbolzen
DE2814009C3 (de) * 1978-03-31 1981-05-27 Siemens AG, 1000 Berlin und 8000 München Kunststoff-Hammerbürstenhalter mit Entstördrossel
GB2063577B (en) * 1979-09-05 1983-05-11 Mabuchi Motor Co Motor
DE7932341U1 (de) * 1979-11-16 1980-04-24 Heid & Co, Gmbh, Kg, Kohlebuersten- Und Buerstenhalterfabrik, 6730 Neustadt Bürstenhalter
AT373742B (de) * 1980-02-29 1984-02-10 Kollmorgen Tech Corp Geraeuschgedaempfte buerstenanordnung fuer elektrische motoren
JPS6135135A (ja) * 1984-07-26 1986-02-19 Mabuchi Motor Co Ltd 小型モ−タのブラシ防振装置
EP0175993B1 (de) * 1984-09-19 1987-10-28 Siemens Aktiengesellschaft Hammer-Bürstenhaltersystem für einen Kommutatormotor
DE3543544A1 (de) * 1985-12-10 1987-06-11 Bosch Gmbh Robert Vorrichtung zur lueftergeraeuschminderung und -daempfung bei drehstromgeneratoren
DE4120355C1 (en) * 1991-06-20 1992-09-24 Ab Elektronik Gmbh, 4712 Werne, De Miniature rotational slip contact carrier - includes miniature elastic electrically conducting tongue with central damping cushion of elastomer material
DE4136485A1 (de) * 1991-11-06 1993-05-13 Behr Gmbh & Co Halterung fuer einen elektromotor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007044399A1 (de) 2007-09-18 2009-04-09 Continental Automotive Gmbh Vierpoliger elektromotorischer Antrieb mit einem Hammerbürstenhaltersystem

Also Published As

Publication number Publication date
DE59401704D1 (de) 1997-03-13
DE9316543U1 (de) 1994-09-08
EP0651472A3 (de) 1996-04-03
EP0651472A2 (de) 1995-05-03
ES2097600T3 (es) 1997-04-01

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