EP1250735A1 - Brush holder for commutating machines - Google Patents

Brush holder for commutating machines

Info

Publication number
EP1250735A1
EP1250735A1 EP01960109A EP01960109A EP1250735A1 EP 1250735 A1 EP1250735 A1 EP 1250735A1 EP 01960109 A EP01960109 A EP 01960109A EP 01960109 A EP01960109 A EP 01960109A EP 1250735 A1 EP1250735 A1 EP 1250735A1
Authority
EP
European Patent Office
Prior art keywords
brush
commutator
brush holder
holder
quiver
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.)
Granted
Application number
EP01960109A
Other languages
German (de)
French (fr)
Other versions
EP1250735B1 (en
Inventor
Jens Gerstenberger
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1250735A1 publication Critical patent/EP1250735A1/en
Application granted granted Critical
Publication of EP1250735B1 publication Critical patent/EP1250735B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
    • H01R39/26—Solid sliding contacts, e.g. carbon brush
    • 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
    • H01R39/40—Brush holders enabling brush movement within holder during current collection

Definitions

  • the invention relates to a brush holder for
  • an auxiliary assembly ring is used which, in the completed brush holder, the spring-loaded commutator brushes in the
  • Brush holder holds back. This assembly ring is removed when joining the brush holder with the commutator or collector in the commutator machine and transported back to the assembly station.
  • a supply connection for the commutator brush has one in a known brush holder of the type mentioned at the beginning (EP 0 741 438 B1)
  • Holding section on the inserted in the brush holder Commutator brush and brush pressure spring overlaps the face of the commutator brush remote from the brush pressure spring, thereby preventing the spring-loaded commutator brush from escaping from the brush holder.
  • this holding section is bent outwards in each of the brush holders held on the brush pressure plate, so that it releases the commutator brush and the commutator brushes are pressed onto the commutator bars of the commutator by the brush pressure springs.
  • the brush holder according to the invention has the advantage that, by using the lateral guide play of the commutator brush in the brush holder, the retaining member is realized by a simple machining measure on the brush holder itself, and thus a positive connection between the commutator brush and the brush cook can be produced.
  • This positive locking which is achieved without inserting an additional component in the brush holder, holds the pretensioned commutator brush reliably in the brush holder during the entire assembly.
  • the release of the positive connection after installing the brush holder in the commutator machine can then be easily accomplished in various ways.
  • the retaining member can be constructed in a very simple manner in that, on the one hand, the guide play between the brush holder and commutator brush is dimensioned such that the commutator brush can assume an inclined position in the brush holder, in which the brush axis forms a small acute angle with the - holder axis includes, and that, on the other hand, a locking shoulder cooperating with the commutator brush in its inclined position is formed on one of the quiver walls of the brush holder.
  • the locking shoulder extends near the brush exit edge of the brush holder over the entire wall width of the holder wall, and the inclined commutator brush is supported on the locking shoulder with its end face facing away from the brush pressure spring.
  • the latching shoulder is formed by the lower edge of a recess that completely penetrates the quiver wall or by the lower flank of a groove-like depression made on the inside of the quiver wall.
  • Front side of the commutator brush or on the side surface of the commutator brush whereby to achieve an inclined position the push-in force for pushing the commutator brush into the brush holder against the force of the brush pressure spring is offset off-center, specifically towards the holder wall carrying the locking shoulder, on the free end face of the Commutator brush attacks.
  • the action of force on the side surface of the commutator brushes takes place from the outside through the wall of the quiver, for which purpose corresponding
  • the locking shoulder is arranged in the quiver wall so that when the front side of the commutator brush rests on the locking shoulder, part of the front side protrudes beyond the brush exit edge of the brush holder to such an extent that when the brush holder is joined to the commutator, the latter touches the front side of the Commutator brush abuts. If the commutator is now advanced further, the brush is pressed slightly inwards by the commutator, whereby it is pushed through the
  • Commutator lamella is pivoted back so that its brush axis is aligned almost parallel to the quiver axis and the end face of the commutator brushes is pulled off the locking shoulder.
  • the positive engagement between the commutator brushes and the individual brush holders is advantageously canceled automatically by inserting the commutator, and additional assembly processes or auxiliary tools for applying a transverse force to the commutator brush can be saved.
  • FIG. 1 is a partial perspective view of a commutator of a commutator machine with a built-in brush holder
  • Fig. 2 shows a section along the line II - II in
  • Fig. 3 each have a longitudinal section of one and 4 brush holder of the brush holder in Fig. 1 and 2 with commutator brush and
  • FIG. 5 each shows a longitudinal section of a modified to 7 brush holder according to three further exemplary embodiments.
  • the brush holder 10 to be seen in detail in FIG. 1 and in section in FIG. 2 for a commutator machine, for example for a direct current motor, has a brush plate 11 on which at least two radially aligned brush holders are offset by the same circumferential angle 12 are attached.
  • Each brush holder 12 is shaped like a box with a rectangular cross section and is closed at one end with a holder bottom 121.
  • a locking cam 126 is formed, with which the brush holder 12 in a locking recess 19 in the Brush plate 11 is inserted and locked therein.
  • Another lateral quiver wall 122 is provided with a longitudinal slot 13 (FIG.
  • a commutator 15 is inserted, which is axially displaceably guided with a relatively large clearance in the brush holder 12 •.
  • a brush pressure spring 16 which is supported between the quiver bottom 121 and the end face 151 thereof facing the commutator brush 15, presses the commutator brush 15 onto the commutator bars 17 of a commutator 18 of the commutator machine after the brush holder 10 has been installed.
  • the brush holder 10 is non-rotatably fixed in the commutator machine via the brush plate 11.
  • the brush holder 10 In the manufacture of the commutator machine, the brush holder 10 is preassembled as a complete unit and inserted into the commutator machine, the pre-assembly station of the brush holder often being spatially separated from the final assembly station of the commutator machine in the case of automatic production, and the completed brush holder 10 with pretensioned brush pressure springs 16 must travel even longer distances.
  • a retaining member 20 is integrated in each brush holder 12 and blocks the spring-loaded commutator brush 15 from being pushed out of the brush holder 12. This retaining member 20 is activated during the assembly of the brush holder 10 and until the brush holder 10 is installed in the commutator machine kept activated and deactivated again at the end of assembly, that is to say after fixing the brush holder 10 in the commutator machine and installing the commutator 18.
  • the play between the brush holder 12 and commutator brush 15 is used, which is sufficient for the commutator brush 15 to be able to assume an inclined position in which the brush axis forms a small acute angle with the holder axis (cf. 3 and 4), and on the other hand, in a quiver wall 123 near the brush exit edge 125 of the brush holder 12, a locking shoulder 21 is provided which produces a positive connection by slightly tilting the commutator brush 15 with the commutator brush 15 in its inclined position.
  • the locking shoulder 21 extends over the entire width of the quiver wall 123, so that the inclined commutator brush 15 with its end face 152 facing away from the brush pressure spring 16 can rest on the locking shoulder 21.
  • the locking shoulder 21 is in the embodiment of FIGS. 1-4 from the lower edge of the brush exit edge 125 facing the lower edge of a recess 22 which completely penetrates the quiver wall 123 and in the embodiment of FIGS. 5 and 6 from the lower edge facing the brush exit edge 125 Groove flank of a groove-shaped depression 23 or 23 'running on the inside of the quiver wall 123 is formed. In the latter case, a through hole 24 (FIG. 5) or a slot 28 (FIG. 6) which ends freely at the brush exit edge 125 of the brush holder 12 (FIG. 6) is made in the wall of the holder
  • Recess 23 or 23 ' opens.
  • a through hole 25 running near the recess 23 can also be provided, which is shown in broken lines in FIG. 5.
  • the depression 23 ' is guided and pierced through to the bottom of the holder 121 to remove the brush holder 12 from the injection mold. (Figs. 6 and 7)
  • FIGS. 3 and 4 Two steps of the assembly process of the brush holder 10 are shown schematically in FIGS. 3 and 4.
  • the commutator brush 15 is pushed into the brush holder 12 while the brush pressure spring 16 is being tensioned.
  • the insertion force which is symbolized in FIG. 3 by arrow 26, is set off-center on the free end face 152 of the commutator brush 15, specifically towards the quiver wall 123 carrying the latching shoulder 21.
  • the commutator brush 15 assumes an inclined position within the brush holder 12 shown in FIGS. 3 and 4, and at the end of the insertion process, the end face 152 of the commutator brush 15 lies on the latching shoulder 21.
  • FIG. 7 of a brush holder 12 shown in longitudinal section with commutator brush 15 is modified to the extent that
  • the retaining member 20 is in turn designed as a locking shoulder 21, which on the quiver wall 124
  • Brush exit edge 125 of the brush holder 12 is arranged and is formed by the lower groove flank of the groove-like depression 23 ′ facing the brush exit edge 125.
  • the commutator brush 15 By pushing the commutator brush 15 into the brush holder 12 by means of an eccentrically acting insertion force which counteracts the brush pressure spring 16, the commutator brush becomes 15 is in turn fixed with its free end face 152 on the locking shoulder 21.
  • the arrangement and design of the locking shoulder 21 is such that a part of the side surface of the end face 152 of the commutator brush 15 projects beyond the brush exit edge 125 of the brush holder 12 to such an extent that it projects into the insertion area of the commutator 18. If, after the brush holder 10 has been fastened in the commutator machine, the commutator 18 is pushed in in the direction of arrow 27 in FIG. 7, the front edge of the commutator 18 abuts the end face 152 of the
  • Commutator brush 15 and pushes it into the brush holder 12, causing the commutator brush 15 to stand up and its end face 152 to slide off the locking shoulder 21.
  • the commutator brush 15 is now pressed onto the commutator bar 17 of the commutator 18 by the brush pressure spring 16.

Landscapes

  • Motor Or Generator Current Collectors (AREA)

Abstract

The invention relates to a brush holder for commutating machines, comprising a plurality of commutator brushes (15) adapted to be placed on a commutator (18) of the commutating machine in a nonpositive fit. One each of said brushes is guided in a tubular brush holder (12) so as to be axially displaceable with play and is impinged upon by a brush pressure spring (16) in the direction of ejection from the tubular brush holder (12), said brush pressure spring supporting itself between the tubular brush holder (12) and the commutator brush (15). Every tubular brush holder (12) is provided with a retaining element (21) as an assembly aid. Said retaining element retains the spring-biased commutator brush (16) on the tubular brush holder (12) during assembly in a positive fit and releases it after assembly. In order to provide, in terms of manufacturing, a very simple and assembly-time saving assembly aid, the retaining element (20) is designed as an integral part of the tubular brush holder (12) and it furthermore facilitates establishment of the positive fit by slightly tilting the commutator brush (15) in the tubular brush holder (12) and removing it by setting it straight.

Description

Bürstenhalter für KommutatormaschinenBrush holder for commutator machines
Stand der TechnikState of the art
Die Erfindung geht aus von einem Bürstenhalter fürThe invention relates to a brush holder for
Kommutatormaschinen nach dem Oberbegriff des Anspruchs 1.Commutator machines according to the preamble of claim 1.
Bei der Fertigung und Montage von bekannten Bürstenhaltern wird ein Montagehilfsring verwendet, der beim komplettierten Bürstenhalter die federbelasteten Kommutatorbürsten in denIn the manufacture and assembly of known brush holders, an auxiliary assembly ring is used which, in the completed brush holder, the spring-loaded commutator brushes in the
Bürstenköchern zurückhält. Dieser Montagering wird beim Fügen des Bürstenhalters mit dem Kommutator oder Kollektor in der Kommutatormaschine entfernt und zur Montagestation zurücktransportiert .Brush holder holds back. This assembly ring is removed when joining the brush holder with the commutator or collector in the commutator machine and transported back to the assembly station.
Um den Montagehilfring einzusparen und dadurch zusammen mit dem Wegfall des Rücktransportes des Montagerings Fertigungsvorteile zu erreichen, weist bei einem bekannten Bürstenhalter der eingangs genannten Art (EP 0 741 438 Bl) ein Zuleitungsanschluß für die Kommutatorbürste einenIn order to save the assembly auxiliary ring and thereby achieve manufacturing advantages together with the omission of the return transport of the assembly ring, a supply connection for the commutator brush has one in a known brush holder of the type mentioned at the beginning (EP 0 741 438 B1)
Halteabschnitt auf, der bei in den Bürstenköcher eingesetzter Kommutatorburste und Bürstenandruckfeder die von der Bürstenandruckfeder abgekehrte Stirnseite der Kommutatorbürste übergreift und dadurch die federvorgespannte Kommutatorbürste am Austritt aus dem Bürstenköcher hindert. _ Nach Fügen des Bürstenhalters in die Kommutatormaschine wird dieser Halteabschnitt in jedem der auf der - Bürstenandruckplatte gehaltenen Bürstenköcher nach außen gebogen, so daß er jeweils die Kommutatorbürste freigibt und die Kommutatorbürsten insgesamt durch die Bürstenandruckfedern auf die Kommutatorlamellen des Kommutators aufgedrückt werden.Holding section on the inserted in the brush holder Commutator brush and brush pressure spring overlaps the face of the commutator brush remote from the brush pressure spring, thereby preventing the spring-loaded commutator brush from escaping from the brush holder. After the brush holder has been inserted into the commutator machine, this holding section is bent outwards in each of the brush holders held on the brush pressure plate, so that it releases the commutator brush and the commutator brushes are pressed onto the commutator bars of the commutator by the brush pressure springs.
Vorteile der ErfindungAdvantages of the invention
Der erfindungsgemäße Bürstenhalter hat den Vorteil, daß durch die Nutzung des seitlichen Führungsspiels de.r Kommutatorbürste in dem Bürstenköcher das Rückhalteglied durch eine einfache Bearbeitungsmaßnahme am Bürstenköcher selbst realisiert und damit ein Formschluß zwischen Kommutatorbürste und Bürstenköchen hergestellt werden kann. Dieser Formschluß, der ohne Einlegen eines zusätzlichen Bauteils in den Bürstenköcher erreicht wird, hält die vorgespannte Kommutatorbürste während der gesamten Montage zuverlässig im Bürstenköcher. Das Aufheben des Formschlusses nach dem Einbau des Bürstenhalters in die Kommutatormaschine läßt sich dann in verschiedener Weise leicht bewerkstelligen.The brush holder according to the invention has the advantage that, by using the lateral guide play of the commutator brush in the brush holder, the retaining member is realized by a simple machining measure on the brush holder itself, and thus a positive connection between the commutator brush and the brush cook can be produced. This positive locking, which is achieved without inserting an additional component in the brush holder, holds the pretensioned commutator brush reliably in the brush holder during the entire assembly. The release of the positive connection after installing the brush holder in the commutator machine can then be easily accomplished in various ways.
Durch die in den weiteren Ansprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen des im Anspruch 1 angegebenen Bürstenhalters möglich. Das Rückhalteglied läßt sich gemäß eines bevorzugten Ausführungsbeispiels der Erfindung konstruktiv sehr einfach dadurch realisieren, daß einerseits das Führungsspiel zwischen Bürstenköcher und Kommutatorbürste so bemessen ist, daß die Kommutatorbürste im Bürstenköcher eine Schrägstellung einzunehmen vermag, in der die Bürstenachse mit der - Köcherachse einen kleinen spitzen Winkel einschließt, und daß andererseits an einer der Köcherwände des Bürstenköchers eine mit der Kommutatorbürste in deren Schrägstellung zusammenwirkende Rastschulter ausgebildet ist.Advantageous further developments and improvements of the brush holder specified in claim 1 are possible through the measures listed in the further claims. According to a preferred exemplary embodiment of the invention, the retaining member can be constructed in a very simple manner in that, on the one hand, the guide play between the brush holder and commutator brush is dimensioned such that the commutator brush can assume an inclined position in the brush holder, in which the brush axis forms a small acute angle with the - holder axis includes, and that, on the other hand, a locking shoulder cooperating with the commutator brush in its inclined position is formed on one of the quiver walls of the brush holder.
Gemäß einer vorteilhaften Ausführungsform der Erfindung erstreckt sich die Rastschulter nahe dem Bürstenaustrittsrand des Bürstenköchers über die gesamte Wandbreite der Köcherwand, und die schräggestellte Kommutatorbürste stützt sich mit ihrer von der Bürstenandruckfeder abgekehrten Stirnseite auf der Rastschulter ab.According to an advantageous embodiment of the invention, the locking shoulder extends near the brush exit edge of the brush holder over the entire wall width of the holder wall, and the inclined commutator brush is supported on the locking shoulder with its end face facing away from the brush pressure spring.
Gemäß alternativen Ausführungsformen der Erfindung ist die Rastschulter von dem unteren Rand einer die Köcherwand vollständig durchdringenden Aussparung oder von der unteren Flanke einer an der Innenseite der Köcherwand eingebrachten, nutartigen Vertiefung gebildet. Die Herstellung und die Aufhebung des Formschlusses zwischen Kommutatorbürste und Bürstenköcher erfolgt durch Krafteinwirkung auf die freieAccording to alternative embodiments of the invention, the latching shoulder is formed by the lower edge of a recess that completely penetrates the quiver wall or by the lower flank of a groove-like depression made on the inside of the quiver wall. The positive connection between the commutator brush and the brush holder is created and released by applying force to the free one
Stirnseite der Kommutatorbürste bzw. auf die Seitenfläche der Kommutatorbürste, wobei zur Erzielung einer Schrägstellung die Einschubkraft zum Einschieben der Kommutatorbürste in den Bürstenköcher gegen die Kraft der Bürstenandruckfeder außermittig, und zwar zu der die Rastschulter tragenden Köcherwand hin versetzt, an der freien Stirnseite der Kommutatorbürste angreift. Die Krafteinwirkung auf die Seitenfläche der Kommutatorbürsten erfolgt von außen durch die Köcherwand hindurch, wozu entsprechendeFront side of the commutator brush or on the side surface of the commutator brush, whereby to achieve an inclined position the push-in force for pushing the commutator brush into the brush holder against the force of the brush pressure spring is offset off-center, specifically towards the holder wall carrying the locking shoulder, on the free end face of the Commutator brush attacks. The action of force on the side surface of the commutator brushes takes place from the outside through the wall of the quiver, for which purpose corresponding
Durchgangsbohrungen oder Schlitze in der von der Rastschulter begrenzten Vertiefung münden.Through holes or slots open into the recess delimited by the locking shoulder.
- Gemäß einer bevorzugten Ausführungsform der Erfindung ist die Rastschulter in der Köcherwand so angeordnet, daß bei auf der Rastschulter aufliegender Stirnseite der Kommutatorbürste ein Teil der Stirnseite über den Bürstenaustrittsrand des Bürstenköchers soweit vorsteht, daß beim Fügen des Bürstenhalters mit dem Kommutator letzterer an die Stirnseite der Kommutatorbürste anstößt. Wird nunmehr der Kommutator weiter vorgeschoben, so wird die Bürste von dem Kommutator leicht nach innen gedrückt, wobei sie durch die- According to a preferred embodiment of the invention, the locking shoulder is arranged in the quiver wall so that when the front side of the commutator brush rests on the locking shoulder, part of the front side protrudes beyond the brush exit edge of the brush holder to such an extent that when the brush holder is joined to the commutator, the latter touches the front side of the Commutator brush abuts. If the commutator is now advanced further, the brush is pressed slightly inwards by the commutator, whereby it is pushed through the
Kommutatorlamellen so zurückgeschwenkt wird, daß ihre Bürstenachse nahezu parallel zur Köcherachse ausgerichtet und dadurch die Stirnseite der Kommutatorbürsten von der Rastschulter abgezogen wird. Dadurch erfolgt vorteilhaft die Aufhebung des Formschlusses zwischen den Kommutatorbürsten und den einzelnen Bürstenköchern selbsttätig durch das Einschieben des Kommutators, und zusätzliche Montagevorgänge oder Hilfswerkzeuge zum Aufbringen einer Querkraft auf die Kommutatorbürste können eingespart werden.Commutator lamella is pivoted back so that its brush axis is aligned almost parallel to the quiver axis and the end face of the commutator brushes is pulled off the locking shoulder. As a result, the positive engagement between the commutator brushes and the individual brush holders is advantageously canceled automatically by inserting the commutator, and additional assembly processes or auxiliary tools for applying a transverse force to the commutator brush can be saved.
Zeichnungdrawing
Die Erfindung ist anhand eines in der Zeichnung dargestellten Ausführungsbeispiels in der nachfolgenden Beschreibung; näher erläutert. Es zeigen jeweils in schematisierter Darstellung: Fig. 1 ausschnittweise eine perspektivische Ansicht eines Kommutators einer Kommutatormaschine mit eingebautem Bürstenhalter,The invention is based on an embodiment shown in the drawing in the following description; explained in more detail. Each shows in a schematic representation: 1 is a partial perspective view of a commutator of a commutator machine with a built-in brush holder,
Fig. 2 einen Schnitt längs der Linie II - II inFig. 2 shows a section along the line II - II in
Fig. 1,Fig. 1
Fig. 3 jeweils einen Längsschnitt eines und 4 Bürstenköchers des Bürstenhalters in Fig. 1 und 2 mit Kommutatorbürste undFig. 3 each have a longitudinal section of one and 4 brush holder of the brush holder in Fig. 1 and 2 with commutator brush and
Bürstenandruckfeder in zwei aufeinanderfolgenden Phasen des Montageλorgangs,Brush pressure spring in two successive phases of the assembly process,
Fig. 5 jeweils einen Längsschnitt eines modifizierten bis 7 Bürstenköchers gemäß dreier weiterer Ausführungsbeispiele .5 each shows a longitudinal section of a modified to 7 brush holder according to three further exemplary embodiments.
Beschreibung der AusführungsbeispieleDescription of the embodiments
Der in Fig. 1 ausschnittweise in perspektivischer Darstellung und in Fig. 2 im Schnitt zu sehende Bürstenhalter 10 für eine ausschnittweise angedeutete Kommutatormaschine, z.B. für einen Gleichstrommotor, weist eine Bürstenplatte 11 auf, an der mindestens zwei um gleiche Umfangswinkel zueinander versetzte, radial ausgerichtete Bürstenköcher 12 befestigt sind. Jeder Bürstenköcher 12 ist kastenartig mit rechteckigem Querschnitt geformt und ist an einer Stirnseite mit einem Köcherboden 121 verschlossen. An einem der seitlichen Köcherwände 123 ist ein Rastnocken 126 angeformt, mit dem der Bürstenköcher 12 in eine Rastausnehmung 19 in der Bürstenplatte 11 eingesetzt und darin verrastet wird. Eine andere seitliche Köcherwand 122 ist mit einem vom Köcherrand aus mittig eingebrachten Längsschlitz 13 (Fig. 2) zur Durchführung einer Bürstenanschlußlitze 14 (Fig. 1) versehen. _ In den Bürstenköcher 12 ist eine Kommutatorbürste 15 eingesetzt, die mit relativ großem Spiel im Bürstenköcher 12 • axial verschieblich geführt ist. Eine zwischen dem Köcherboden 121 und der diesem zugekehrten Stirnseite 151 der Kommutatorbürste 15 sich abstützende Bürstenandruckfeder 16 drückt nach Einbau des Bürstenhalters 10 die Kommutatorbürste 15 auf die Kommutatorlamellen 17 eines Kommutators 18 der Kommutatormaschine auf. Wie nicht weiter dargestellt ist, ist der Bürstenhalter 10 in der Kommutatormaschine über die Bürstenplatte 11 undrehbar festgelegt.The brush holder 10 to be seen in detail in FIG. 1 and in section in FIG. 2 for a commutator machine, for example for a direct current motor, has a brush plate 11 on which at least two radially aligned brush holders are offset by the same circumferential angle 12 are attached. Each brush holder 12 is shaped like a box with a rectangular cross section and is closed at one end with a holder bottom 121. On one of the side quiver walls 123, a locking cam 126 is formed, with which the brush holder 12 in a locking recess 19 in the Brush plate 11 is inserted and locked therein. Another lateral quiver wall 122 is provided with a longitudinal slot 13 (FIG. 2) made centrally from the quiver edge for the passage of a brush connecting strand 14 (FIG. 1). _ In the brush holder 12, a commutator 15 is inserted, which is axially displaceably guided with a relatively large clearance in the brush holder 12 •. A brush pressure spring 16, which is supported between the quiver bottom 121 and the end face 151 thereof facing the commutator brush 15, presses the commutator brush 15 onto the commutator bars 17 of a commutator 18 of the commutator machine after the brush holder 10 has been installed. As is not shown further, the brush holder 10 is non-rotatably fixed in the commutator machine via the brush plate 11.
Bei der Fertigung der Kommutatormaschine wird der Bürstenhalter 10 als Kompletteinheit vormontiert und in die Kommutatormaschine eingesetzt, wobei bei automatischer Fertigung häufig die Vormontagestation des Bürstenhalters räumlich von der Endmontagestation der Kommutatormaschine getrennt ist und der komplettierte Bürstenhalter 10 mit vorgespannten Bürstenandruckfedern 16 noch längere Transportstrecken zurücklegen muß.In the manufacture of the commutator machine, the brush holder 10 is preassembled as a complete unit and inserted into the commutator machine, the pre-assembly station of the brush holder often being spatially separated from the final assembly station of the commutator machine in the case of automatic production, and the completed brush holder 10 with pretensioned brush pressure springs 16 must travel even longer distances.
Um während der Montage die federbelasteten Kommutatorbürsten 15 in den Bürstenköchern 12 sicher zu halten, ist in edem Bürstenköcher 12 ein Rückhalteglied 20 integriert, das ein Ausschieben der federbelasteten Kommutatorbürste 15 aus dem Bürstenköcher 12 blockiert. Dieses Rückhalteglied 20 wird bei der Montage des Bürstenhalters 10 aktiviert und bis zum Einbau des Bürstenhalters 10 in die Kommutatormaschine aktiviert gehalten und am Ende der Montage, also nach Festlegen des Bürstenhalters 10 in der Kommutatormaschine und Einbau des Kommutators 18, wieder deaktiviert.In order to hold the spring-loaded commutator brushes 15 securely in the brush holder 12 during assembly, a retaining member 20 is integrated in each brush holder 12 and blocks the spring-loaded commutator brush 15 from being pushed out of the brush holder 12. This retaining member 20 is activated during the assembly of the brush holder 10 and until the brush holder 10 is installed in the commutator machine kept activated and deactivated again at the end of assembly, that is to say after fixing the brush holder 10 in the commutator machine and installing the commutator 18.
Zur Realisierung eines konstruktiv einfachen, montagezeitsparenden Rückhalteglieds 20 wird einerseits das - zwischen Bürstenköcher 12 und Kommutatorbürste 15 vorhandene Spiel genutzt, das ausreichend ist, daß die Kommutatorbürste 15 eine Schrägstellung einzunehmen vermag, in der die Bürstenachse mit der Köcherachse einen kleinen spitzen Winkel einschließt (vgl. Fig. 3 und 4), und andererseits in einer Köcherwand 123 nahe dem Bürstenaustrittsrand 125 des Bürstenköchers 12 eine Rastschulter 21 vorgesehen, die durch leichtes Ankippen der Kommutatorbürste 15 mit der Kommutatorbürste 15 in deren Schrägstellung einen Formschluß herstellt. Die Rastschulter 21 erstreckt sich dabei über die gesamte Breite der Köcherwand 123, so daß die schräggestellte Kommutatorbürste 15 mit ihrer von der Bürstenandruckfeder 16 abgekehrten Stirnseite 152 auf der Rastschulter 21 aufliegen kann. Die Rastschul'ter 21 ist im Ausführungsbeispiel der Fig. 1 - 4 von dem dem Bürstenaustrittsrand 125 zugekehrten, unteren Rand einer die Köcherwand 123 vollständig durchdringenden Aussparung 22 und im Ausführungsbeispiel der Fig. 5 und Fig. 6 von der dem Bürstenaustrittsrand 125 zugekehrten, unteren Nutflanke einer auf der Innenseite der Köcherwand 123 verlaufenden, nutförmigen Vertiefung 23 bzw. 23' gebildet. Im letztgenannten Fall ist in die Köcherwand 122 noch eine Durchgangsbohrung 24 (Fig. 5) oder ein am Bürstenaustrittsrand 125 des Bürstenköchers 12 frei endender Schlitz 28 (Fig. 6) eingebracht, die oder der in derTo achieve a structurally simple, assembly time-saving retaining member 20, on the one hand, the play between the brush holder 12 and commutator brush 15 is used, which is sufficient for the commutator brush 15 to be able to assume an inclined position in which the brush axis forms a small acute angle with the holder axis (cf. 3 and 4), and on the other hand, in a quiver wall 123 near the brush exit edge 125 of the brush holder 12, a locking shoulder 21 is provided which produces a positive connection by slightly tilting the commutator brush 15 with the commutator brush 15 in its inclined position. The locking shoulder 21 extends over the entire width of the quiver wall 123, so that the inclined commutator brush 15 with its end face 152 facing away from the brush pressure spring 16 can rest on the locking shoulder 21. The locking shoulder 21 is in the embodiment of FIGS. 1-4 from the lower edge of the brush exit edge 125 facing the lower edge of a recess 22 which completely penetrates the quiver wall 123 and in the embodiment of FIGS. 5 and 6 from the lower edge facing the brush exit edge 125 Groove flank of a groove-shaped depression 23 or 23 'running on the inside of the quiver wall 123 is formed. In the latter case, a through hole 24 (FIG. 5) or a slot 28 (FIG. 6) which ends freely at the brush exit edge 125 of the brush holder 12 (FIG. 6) is made in the wall of the holder
Vertiefung 23 bzw. 23' mündet. Anstelle der Durchgangsbohrung 24 kann auch eine nahe der Vertiefung 23 verlaufende Durchgangsbohrung 25 vorgesehen werden, die in Fig. 5 strichliniert eingezeichnet ist. Zur Herstellung des Bürstenköchers 12 als Kunststoffspritzteil ist zwecks _ Entfor ung des Bürstenköchers 12 aus dem Spritzwerkzeug die Vertiefung 23' bis zum Köcherboden 121 geführt und durchstößt - diesen. (Fig. 6 und 7)Recess 23 or 23 'opens. Instead of the through hole 24, a through hole 25 running near the recess 23 can also be provided, which is shown in broken lines in FIG. 5. To produce the brush holder 12 as a plastic injection molded part, the depression 23 'is guided and pierced through to the bottom of the holder 121 to remove the brush holder 12 from the injection mold. (Figs. 6 and 7)
Zwei Schritte des Montagevorgangs des Bürstenhalters 10 sind in Fig. 3 und 4 schematisiert dargestellt. Nach Einlegen der Bürstenandruckfeder 16 in den Bürstenköcher 12 wird die Kommutatorbürste 15 unter Spannen der Bürstenandruckfeder 16 in den Bürstenköcher 12 eingeschoben. Zur Aktivierung des Rückhalteglieds 20 wird dabei die Einschubkraft, die in Fig. 3 durch Pfeil 26 symbolisiert ist, an der freien Stirnseite 152 der Kommutatorbürste 15 außermittig angesetzt, und zwar zu der die Rastschulter 21 tragenden Köcherwand 123 hin versetzt. Dadurch nimmt die Kommutatorbürste 15 eine in Fig. 3 und 4 dargestellte Schrägstellung innerhalb des Bürstenköchers 12 ein, und am Ende des Einschubvorgangs legt sich die Kommutatorbürste 15 mit ihrer Stirnseite 152 auf die Rastschulter 21 auf. Dieses Auflegen wird noch durch die Bürstenandruckfeder 16 unterstützt, da durch die Schrägstellung eine Kraftkomponente der Druckkraft der Bürstenandruckfeder 16 die Kommutatorbürste 15 seitlich verschiebt. Damit ist zwischen dem Rückhalteglied 20 in dem Bürstenköcher 12 und der Kommutatorbürste 15 Formschluß hergestellt, und in diesem Montagezustand der mit den Kommutatorbürsten 15 und den Bürstenandruckfedern 16 ausgestatteten Bürstenköcher 12 kann der Bürstenhalter 10 weiter komplettiert und schließlich in die Kommutatormaschine eingesetzt und dort festgelegt werden.Two steps of the assembly process of the brush holder 10 are shown schematically in FIGS. 3 and 4. After inserting the brush pressure spring 16 into the brush holder 12, the commutator brush 15 is pushed into the brush holder 12 while the brush pressure spring 16 is being tensioned. To activate the retaining member 20, the insertion force, which is symbolized in FIG. 3 by arrow 26, is set off-center on the free end face 152 of the commutator brush 15, specifically towards the quiver wall 123 carrying the latching shoulder 21. As a result, the commutator brush 15 assumes an inclined position within the brush holder 12 shown in FIGS. 3 and 4, and at the end of the insertion process, the end face 152 of the commutator brush 15 lies on the latching shoulder 21. This placement is also supported by the brush pressure spring 16, since a force component of the pressure force of the brush pressure spring 16 laterally displaces the commutator brush 15 due to the inclined position. Thus, a positive connection is made between the retaining member 20 in the brush holder 12 and the commutator brush 15, and in this assembled state the brush holder 12 equipped with the commutator brushes 15 and the brush pressure springs 16 can be the brush holder 10 further completed and finally inserted into the commutator machine and fixed there.
Ist die Montage beendet, so wird als letztes der Formschluß zwischen Rückhalteglied 20 und Kommutatorbürste 15 in jedem Bürstenköcher 12 dadurch aufgehoben, daß - wie dies in - Fig. 4 - 6 mit Pfeil 27 angedeutet ist - die Kommutatorbürste 15 mit einer Querkraft 27 durch die Aussparung 22 (Fig. 4) oder durch die Bohrung 24 oder 25 (Fig. 5) oder durch den Schlitz 28 (Fig. 6) hindurch beaufschlagt und mittels dieser Querkraft 27 in Richtung zur gegenüberliegenden Köcherwand 124 geschoben wird. Dadurch wird die Kommutatorbürste 15 mit ihrer Stirnseite 152 von der Rastschulter 21 abgeschoben, und die Bürstenandruckfeder 16 legt die Kommutatorbürste 15 mit deren Stirnseite 152 auf die Kommutatorlamellen 17 des Kommutators 18 auf.If the assembly is finished, the positive connection between the retaining member 20 and the commutator brush 15 in each brush holder 12 is finally canceled by the fact that - as indicated in - FIGS. 4-6 with arrow 27 - the commutator brush 15 with a transverse force 27 by the Recess 22 (FIG. 4) or through the bore 24 or 25 (FIG. 5) or through the slot 28 (FIG. 6) and is pushed by means of this transverse force 27 in the direction of the opposite quiver wall 124. As a result, the end face 152 of the commutator brush 15 is pushed off the locking shoulder 21, and the brush pressure spring 16 places the end face 152 of the commutator brush 15 on the commutator bars 17 of the commutator 18.
Das in Fig. 7 dargestellte Ausführungsbeispiel eines im Längsschnitt dargestellten Bürstenköchers 12 mit Kommutatorbürste 15 ist insoweit modifiziert, als derThe embodiment shown in FIG. 7 of a brush holder 12 shown in longitudinal section with commutator brush 15 is modified to the extent that
Rastnocken 126 an der Köcherwand 123 und das Rückhalteglied 20 an der Köcherwand 124, also umgekehrt wie in den Ausführungsbeispielen des Bürstenköchers in Fig. 1 - 5, angeordnet ist. Das Rückhalteglied 20 ist wiederum als Rastschulter 21 ausgebildet, die an der Köcherwand 124 amLocking cams 126 on the quiver wall 123 and the retaining member 20 on the quiver wall 124, that is to say vice versa as in the exemplary embodiments of the brush holder in FIGS. 1-5. The retaining member 20 is in turn designed as a locking shoulder 21, which on the quiver wall 124
Bürstenaustrittsrand 125 des Bürstenköchers 12 angeordnet ist und von der dem Bürstenaustrittsrand 125 zugekehrten, unteren Nutflanke der nutartigen Vertiefung 23' gebildet ist. Durch Einschieben der Kommutatorbürste 15 in den Bürstenköcher 12 durch eine außermittig angreifende, der Bürstenandruckfeder 16 entgegenwirkende Einschubkraft wird die Kommutatorbürste 15 wiederum mit ihrer freien Stirnseite 152 auf der Rastschulter 21 festgelegt. Die Anordnung und Ausbildung der Rastschulter 21 ist dabei so getroffen, daß ein Teil der Seitenfläche der Stirnseite 152 der Kommutatorbürste 15 über den Bürstenaustrittsrand 125 des Bürstenköchers 12 soweit vorsteht, daß er in den Einschubbereich des Kommutators 18 - hineinragt. Wird nunmehr nach Befestigen des Bürstenhalters 10 in der Kommutatormaschine der Kommutator 18 in Richtung Pfeil 27 in Fig. 7 eingeschoben, so stößt der Kommutator 18 mit seinem vorderen Rand gegen die Stirnseite 152 derBrush exit edge 125 of the brush holder 12 is arranged and is formed by the lower groove flank of the groove-like depression 23 ′ facing the brush exit edge 125. By pushing the commutator brush 15 into the brush holder 12 by means of an eccentrically acting insertion force which counteracts the brush pressure spring 16, the commutator brush becomes 15 is in turn fixed with its free end face 152 on the locking shoulder 21. The arrangement and design of the locking shoulder 21 is such that a part of the side surface of the end face 152 of the commutator brush 15 projects beyond the brush exit edge 125 of the brush holder 12 to such an extent that it projects into the insertion area of the commutator 18. If, after the brush holder 10 has been fastened in the commutator machine, the commutator 18 is pushed in in the direction of arrow 27 in FIG. 7, the front edge of the commutator 18 abuts the end face 152 of the
Kommutatorbürste 15 und schiebt diese in den Bürstenköcher 12 hinein, wodurch sich die Kommutatorbürste 15 aufrichtet und deren Stirnseite 152 von der Rastschulter 21 abgleitet. Durch die Bürstenandruckfeder 16 wird nunmehr die Kommutatorbürste 15 auf die Kommutatorlamelle 17 des Kommutators 18 aufgedrückt . Commutator brush 15 and pushes it into the brush holder 12, causing the commutator brush 15 to stand up and its end face 152 to slide off the locking shoulder 21. The commutator brush 15 is now pressed onto the commutator bar 17 of the commutator 18 by the brush pressure spring 16.

Claims

Ansprüche Expectations
1. Bürstenhalter für Kommutatormaschinen, mit mehreren, zum kraftschlüssigen Aufsetzen auf einen Kommutator (18) der Kommutatormaschine ausgebildeten Kommutatorbürsten (15), von denen jeweils eine in einem Bürstenköcher (12) mit Spiel axial verschieblich geführt und von einer zwischen Bürstenköcher (12) und Kommutatorbürste (15) sich abstützenden Bürstenandruckfeder (16) in Ausschieberichtung aus dem Bürstenköcher (12) beaufschlagt ist, sowie mit einem als Montagehilfe im Bürstenköcher (12) enthaltenen Rückhalteglied (20), das durch nach der Montage aufhebbaren Formschluß mit der Kommutatorbürste (15) die federbelastete Kommutatorbürste (15) gegen Ausschieben 'aus dem Bürstenköcher (12) blockiert, dadurch gekennzeichnet, daß das Rückhalteglied (20) integraler Teil des Bürstenköchers (12) und so ausgebildet ist, daß der1. Brush holder for commutator machines, with a plurality of commutator brushes (15) designed for non-positive attachment to a commutator (18) of the commutator machine, one of which is guided axially displaceably in a brush holder (12) and by one between brush holder (12) and Commutator brush (15) is supported on the brush pressure spring (16) which is supported in the push-out direction from the brush holder (12), as well as with a retaining member (20) contained in the brush holder (12) as an assembly aid, which with the commutator brush (15) can be removed after installation by positive locking. the spring-loaded commutator brush (15) is prevented from being pushed out of the brush holder (12), characterized in that the retaining member (20) is an integral part of the brush holder (12) and is designed such that the
Formschluß durch leichtes Kippen der Kommutatorbürste (15) im Bürstenköcher (12) gegen die Köcherachse herstellbar und durch Geraderichten der Kommutatorbürste (15) wieder aufhebbar ist. Form locking by slight tilting of the commutator brush (15) in the brush holder (12) against the holder axis and can be canceled by straightening the commutator brush (15) again.
2. Bürstenhalter nach Anspruch 1, dadurch gekennzeichnet, daß das Führungsspiel zwischen Bürstenköcher (12) und Kommutatorbürste (15) so bemessen ist, daß die Kommutatorbürste (15) im Bürstenköcher (12) eine _ Schrägstellung einzunehmen vermag, in der die2. Brush holder according to claim 1, characterized in that the guide play between the brush holder (12) and commutator brush (15) is dimensioned such that the commutator brush (15) in the brush holder (12) is able to assume an inclined position in which the
Bürstenachse mit der Köcherachse einen kleinen spitzen Winkel einschließt, und daß das Rückhalteglied (20) von ' einer mit der Kommutatorbürste (15) in deren Schrägstellung zusammenwirkenden Rastschulter (21) gebildet ist, die in eine der Köcherwände (123) des Bürstenköchers (12) eingearbeitet ist.Includes brush axis with the quiver axis a small acute angle, and that the retaining member (20) from a interacts with the commutator brush (15) in the inclined position locking shoulder (21) is formed ', that in one of the quiver walls (123) of the brush holder (12) is incorporated.
3. Bürstenhalter nach Anspruch 2, dadurch gekennzeichnet, daß die Rastschulter (21) sich nahe dem Bürstenaustrittsrand (125) des Bürstenköchers (12) über die gesamte Wandbreite der Köcherwand (123) erstreckt und daß die schräggestellte Kommutatorbürste (15) mit ihrer von der Bürstenandruckfeder (16) abgekehrten Stirnseite (152) -auf der Rastschulter (21) aufliegt.3. Brush holder according to claim 2, characterized in that the locking shoulder (21) extends near the brush exit edge (125) of the brush holder (12) over the entire wall width of the holder wall (123) and that the inclined commutator brush (15) with its from Brush pressure spring (16) facing away from the end face (152) - rests on the locking shoulder (21).
4. Bürstenhalter nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Rastschulter (21) von dem dem Bürstenaustrittrand (125) zugekehrten, unteren Rand einer die Köcherwand (123) vollständig durchdringenden Aussparung (22) gebildet ist.4. Brush holder according to claim 2 or 3, characterized in that the latching shoulder (21) from the brush exit edge (125) facing the lower edge of the quiver wall (123) completely penetrating recess (22) is formed.
5. Bürstenhalter nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Rastschulter (21) von der dem Bürstenaustrittsrand (125) zugekehrten, unteren Flanke einer auf der Innenseite in die Köcherwand (123) eingebrachten, nutartigen Vertiefung (23) gebildet ist. 5. Brush holder according to claim 2 or 3, characterized in that the locking shoulder (21) from the brush exit edge (125) facing, lower flank of an inside of the quiver wall (123) introduced, groove-like recess (23) is formed.
6. Bürstenhalter nach einem der Ansprüche 3 - 5, dadurch gekennzeichnet, daß zum Aufheben des Formschlusses zwischen Rastschulter (21) und Kommutatorbürste (15) auf die Kommutatorbürste (15) eine quer zur Köcherachse verlaufende Querkraft aufbringbar ist.6. Brush holder according to one of claims 3 - 5, characterized in that a transverse force to the quiver axis can be applied to cancel the positive connection between the locking shoulder (21) and commutator brush (15) on the commutator brush (15).
7. Bürstenhalter nach Anspruch 5 und 6, dadurch gekennzeichnet, daß in der die Vertiefung (23, 23') tragenden Köcherwand (123) eine Durchgangsbohrung (24, 25) oder ein bis zum Bürstenaustrittsrand (125) hin offener Schlitz (28) eingebracht ist, die oder der in der Vertiefung (23, 23') mündet.7. Brush holder according to claim 5 and 6, characterized in that in the recess (23, 23 ') carrying quiver wall (123) a through hole (24, 25) or up to the brush exit edge (125) open slot (28) introduced is or which opens into the recess (23, 23 ').
8. Bürstenhalter nach Anspruch 3 und 6 dadurch gekennzeichnet, daß die Rastschulter (21) so angeordnet ist, daß bei auf der Rastschulter (21) aufliegender Stirnseite (152) der Kommutatorbürste (15) ein Teil der Stirnseite (152) über den Bürstenaustrittsrand (125) des Bürstenköchers (12) soweit vorsteht, daß beim Fügen des Bürstenhalters (10) mit dem Kommutator (128) letzterer an die Stirnseite (152) der Kommutatorbürste anstößt.8. Brush holder according to claim 3 and 6, characterized in that the latching shoulder (21) is arranged so that when on the latching shoulder (21) resting on the end face (152) of the commutator brush (15) a part of the end face (152) over the brush exit edge ( 125) of the brush holder (12) protrudes so far that when the brush holder (10) is joined with the commutator (128), the latter abuts the end face (152) of the commutator brush.
9. Bürstenhalter nach Anspruch 8, dadurch gekennzeichnet, daß die Rastschulter (21) an der in Fügerichtung des9. Brush holder according to claim 8, characterized in that the locking shoulder (21) on the in the joining direction of the
Kommutators (18) vorn liegenden Köcherwand (124) des Bürstenköchers (12) ausgebildet ist.Commutator (18) front quiver wall (124) of the brush holder (12) is formed.
10. Bürstenhalter nach einem der Ansprüche 2 - 9, dadurch gekennzeichnet, daß das Kippen der Kommutatorbürste (15) mittels einer Einschubkraft (26) bewirkbar ist, die zum Einschieben der Kommutatorbürste (15) in den Bürstenköcher (12) gegen die Kraft der Bürstenandruckfeder (16) an der Stirnseite (152) der Kommutatorbürste (15) zu der die Rastschulter (21) tragenden Köcherwand (123) hin versetzt außermittig angreift . 10. Brush holder according to one of claims 2-9, characterized in that the tilting of the commutator brush (15) can be effected by means of an insertion force (26) leading to Push the commutator brush (15) into the brush holder (12) against the force of the brush pressure spring (16) on the front side (152) of the commutator brush (15) towards which the holder wall (123) carrying the latching shoulder (21) acts offset and off-center.
EP01960109A 2000-09-05 2001-07-06 Brush holder for commutating machines Expired - Lifetime EP1250735B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10043608 2000-09-05
DE10043608A DE10043608A1 (en) 2000-09-05 2000-09-05 Brush-holder for electric commutating machines, uses retaining element for preventing commutator brush from being pushed out of the brush cartridge
PCT/DE2001/002514 WO2002023682A1 (en) 2000-09-05 2001-07-06 Brush holder for commutating machines

Publications (2)

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EP1250735A1 true EP1250735A1 (en) 2002-10-23
EP1250735B1 EP1250735B1 (en) 2007-11-21

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EP01960109A Expired - Lifetime EP1250735B1 (en) 2000-09-05 2001-07-06 Brush holder for commutating machines

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US (1) US20030117035A1 (en)
EP (1) EP1250735B1 (en)
JP (1) JP2004509585A (en)
AU (1) AU2001281710A1 (en)
BR (1) BR0107172A (en)
DE (3) DE10043608A1 (en)
ES (1) ES2292608T3 (en)
MX (1) MXPA02004464A (en)
WO (1) WO2002023682A1 (en)
ZA (1) ZA200203322B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10249157A1 (en) * 2002-10-22 2004-05-06 Robert Bosch Gmbh Contact element holder
US7874818B2 (en) * 2004-10-27 2011-01-25 Ti Group Automotive Systems, L.L.C. Electric motor fuel pump having a reduced length
DE102006024922B4 (en) * 2005-05-30 2016-04-28 Denso Corporation Rotating electric machine and starter
DE102008001699A1 (en) 2008-05-09 2009-11-12 Robert Bosch Gmbh Electric machine with at least two pairs of carbon brushes
CN112038855B (en) * 2020-08-26 2021-08-17 浙江西菱股份有限公司 Brush device and motor

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Publication number Priority date Publication date Assignee Title
GB593943A (en) * 1945-06-20 1947-10-29 Rotax Ltd Improvements relating to brush holders for dynamo-electric machines
DE1763883C3 (en) * 1968-08-29 1980-06-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Brush holder
EP0024121B1 (en) * 1979-08-10 1983-10-12 LUCAS INDUSTRIES public limited company Dynamo electric machine brush assembly
JPS58179144A (en) * 1982-04-09 1983-10-20 Hitachi Ltd Brush holder for small-sized rotary electric machine
DE3467827D1 (en) * 1984-08-13 1988-01-07 Siemens Ag Thermic overload protection for a commutator or slipring-motor
KR0135179Y1 (en) * 1995-05-02 1999-04-15 한순윤 Carbon brush holder

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Title
See references of WO0223682A1 *

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BR0107172A (en) 2002-06-18
DE50113291D1 (en) 2008-01-03
ZA200203322B (en) 2003-09-02
AU2001281710A1 (en) 2002-03-26
WO2002023682A1 (en) 2002-03-21
JP2004509585A (en) 2004-03-25
DE10193912D2 (en) 2003-08-21
MXPA02004464A (en) 2002-11-14
DE10043608A1 (en) 2002-03-28
ES2292608T3 (en) 2008-03-16
US20030117035A1 (en) 2003-06-26
EP1250735B1 (en) 2007-11-21

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