EP1563575B1 - Contact element holder - Google Patents
Contact element holder Download PDFInfo
- Publication number
- EP1563575B1 EP1563575B1 EP03740040.5A EP03740040A EP1563575B1 EP 1563575 B1 EP1563575 B1 EP 1563575B1 EP 03740040 A EP03740040 A EP 03740040A EP 1563575 B1 EP1563575 B1 EP 1563575B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support
- holder according
- cartridge
- decoupling elements
- intermediate support
- 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
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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
-
- 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
- H01R39/385—Means for mechanical fixation of the brush holder
Definitions
- the invention relates to a contact element holder for electrically contacting a rotor, in particular a brush holder for commutator or slip ring machines, according to the preamble of claim 1.
- Such a contact element holder is known from JP 57 0000 46 p , JP 2001 245 458 A discloses a contact element holder in which the brush is connected to the brush holder via springs.
- commutator brushes of commutator machines e.g. DC small motors
- Kommutatorunrund causes due to Kommutatorunrund phenomenon, jumps in the transition from one to another Kommutatorlamelle u.ä.
- Operating noise that is transmitted to the machine housing via the brush holder and radiated by the latter.
- noise-decoupled brush holders are used.
- the decoupling elements between the carrier and brush quiver are formed as resilient webs, which connect a brush quiver firmly receiving intermediate carrier with the carrier.
- Subcarrier and carrier are formed as plates, which lie in a common plane.
- the meandering webs are either in the plane of the plates or perpendicular to the plates, in the latter case have the meander in the axial direction of the commutator.
- the two plates and the webs are designed as a one-piece molded part.
- the contact element holder according to the invention with the features of claim 1 has the advantage that a rotational decoupling of the quiver around the rotor axis without additional degrees of translational or rotational nature is achieved and thereby in use in commutator required for a good commutation, centered position of the commutator over a not noise-decoupled, rigid brush holder.not deteriorated.
- the responsible for the brush noise Reibwertschwankeptept between commutator and commutator cause exclusively a rotatory rotation of the quiver and thus do not influence the centered position of the commutator brushes.
- the contact element holder according to the invention can be realized structurally very simple in that according to a preferred embodiment of the invention, at least three decoupling elements are provided and each decoupling element has only one degree of freedom, wherein the decoupling elements are arranged between the carrier and quiver so that the degree of freedom of each decoupling element in the tangential direction Rotor runs.
- the decoupling elements are offset by preferably the same rotation angle in the circumferential direction against each other, so arranged in a star shape.
- the quivers are arranged on an intermediate carrier and carrier and intermediate carrier are interconnected by the decoupling elements.
- Carrier and intermediate carrier are designed as Isolierstoffplatten, which lie in a common plane, and the elastic webs extend at right angles to the plates.
- This constructive design with "standing decoupling elements" of the contact element holder has a small footprint, which is advantageous for the accommodation of additional suppression elements.
- the decoupling elements are when spraying the one-piece contact element holder in Entformungscardi, so that no additional cross slide are required in the injection mold.
- the in Fig. 1 shown in plan view brush holder for a small DC motor used as a commutator machine as an example of a contact element holder has a carrier 11 having a square recess 12 in the middle, in which an intermediate carrier 13 rests.
- Carrier 11 and intermediate carrier 13 are formed as disc-shaped insulating plates and connected to each other via a total of four elastic decoupling elements 14.
- the intermediate carrier 13 has a circular passage opening 15 for the passage of a commutator, not shown here, of the direct current small motor.
- the brush holder has two commutator brushes 16, which are accommodated axially displaceably in a brush quiver 17 extending in the direction of the passage opening 15 and are pressed onto the commutator in the mounted state by means of brush pressure springs (not shown here).
- the electrical connection strands of the commutator brushes 16 are designated by 18.
- the brush holder 17 are mounted on the intermediate carrier 13.
- two abstrebende arms 131 are provided on the intermediate carrier 13, which eino with play in corresponding side extensions 121 of the recess 12.
- the brush cases 17 are made of metal and fixed on the arms 131.
- the brush holder 17 can also be made of insulating material and are then made in one piece with the insulating plate of the intermediate carrier 13 by spraying, so that the arms 131 omitted.
- the four decoupling elements 14 are arranged offset by the same circumferential angle staggered around the passage opening 12 in the intermediate carrier 13 and on the one hand between the brush bags 17 on the intermediate carrier 13 and on the other hand fixed to the carrier 11.
- Each decoupling element 14 has only one degree of freedom and is arranged so that this degree of freedom in the tangential direction to the commutator, so to the commutator receiving passage opening 15 extends, of course, the brush holder is mounted in the motor housing, that the axis of the passage opening 15 in the intermediate carrier 13 coincides with the commutator axis. Due to the star-shaped arrangement of the decoupling elements 14 with a tangentially directed degree of freedom, the intermediate carrier 13 with the brush bags 17 fastened thereon can only execute a limited, rotary pivoting path around the commutator, so that the commutator brushes 16 pressing onto the commutator are rotationally decoupled. Other degrees of freedom, namely two rotational and three translational, are not present or are negligible.
- the decoupling elements 14 are realized by means of elastic, flat webs 19, each of which is located in a plane radial to the commutator or to the axis of the passage opening 15.
- Fig. 3 is such a flat bridge to see in plan view. It has a U-shape with legs 191, 192 and a yoke 193 connecting the legs 191, 192.
- One leg 191 is attached to the carrier 11 and the other leg 192 to the intermediate carrier 13.
- the webs 19 injected during injection of the carrier 11 and intermediate carrier 13 integrally with these, at the same time the brush holder 17 are mitangespritzt and thereby the separate arms 131 omitted on the intermediate carrier 13.
- the webs 19 are at right angles from the carrier 11 and intermediate carrier 13 forming insulating plates, so that they are in spraying in Entformungscardi and no additional cross slide are required in the injection mold.
- a plan view to be seen brush holder according to a further embodiment is designed according to the same basic principle.
- the decoupling elements have only one degree of freedom and are arranged between the carrier 11 and intermediate carrier 13 so that the existing degree of freedom in the tangential direction to the commutator, so that the brush holder 17 can perform with the therein Kommutatorbürsten only a limited rotation about the commutator and all other degrees of freedom of the subcarrier 13 are practically nonexistent.
- the intermediate support 13 is formed as a circular insulating plate, which rests with play in the likewise circular recess 12 of the carrier 11 formed as insulating material.
- each decoupling element 14 is again designed as a flat, elastic web 19 which is U-shaped and projects at right angles from the carrier 11 and intermediate carrier 13 forming insulating panels. In the same way as in Fig. 1 and 3 Here, too, the web 19 with its one leg 191 with the carrier 11 and its other leg 192 with the intermediate carrier 13 is firmly connected.
- the yoke 193 is different than in Fig. 3 arched.
- construction and operation of the modified brush holder according to Fig. 2 identical to the brush holder in Fig. 1 so that reference is made in this respect to the above statements.
- Matching components of the brush holder according to Fig. 2 are provided with the same reference numerals.
- the contact element holder described by way of example as a brush holder for a commutator machine for producing an electrical connection to a rotor, in the exemplary embodiment to the commutator, is also used in so-called slip ring machines, e.g. Synchronous machines can be used with slip ring rotors.
- so-called abrasive brushes are inserted into the quivers instead of the commutator brushes, which rest spring-loaded on at least one slip ring instead of on a commutator.
- the contact element holder described can be found everywhere where an electrical contact between a contact point, a current-carrying component and a rotating, current-carrying component (rotor) is to be produced.
Landscapes
- Motor Or Generator Current Collectors (AREA)
Description
Die Erfindung geht aus von einem Kontaktelementhalter zum elektrischen Kontaktieren eines Rotors, insbesondere von einem Bürstenhalter für Kommutator- oder Schleifringmaschinen, nach dem Oberbegriff des Anspruchs 1.The invention relates to a contact element holder for electrically contacting a rotor, in particular a brush holder for commutator or slip ring machines, according to the preamble of claim 1.
Ein solcher Kontaktelementhalter ist bekannt aus
Insbesondere Kommutatorbürsten von Kommutatormaschinen, z.B. Gleichstromkleinmotoren, verursachen aufgrund von Kommutatorunrundheiten, Sprüngen beim Übergang von der einen zur anderen Kommutatorlamelle u.ä. Laufgeräusche, die über den Bürstenträger auf das Maschinengehäuse übertragen und von diesem abgestrahlt werden. Um diese Laufgeräusche zu reduzieren, werden geräuschentkoppelte Bürstenhalter verwendet.In particular, commutator brushes of commutator machines, e.g. DC small motors, cause due to Kommutatorunrundheiten, jumps in the transition from one to another Kommutatorlamelle u.ä. Operating noise that is transmitted to the machine housing via the brush holder and radiated by the latter. In order to reduce these running noises, noise-decoupled brush holders are used.
Um eine qualitativ gute Kommutierung sicherzustellen, ist es wichtig, daß der Bürstenhalter zentrisch zur Kommutatorachse liegt. Abweichungen davon erzeugen Unsymmetrien bei der Bestromung, und die dadurch erzeugten Kräfte sind wiederum Ursachen von Geräuschen. Bei dem geräuschentkoppelten Bürstenhalter muß eine gewisse Flexibilität der Bürstenköcher gegenüber dem Bürstenträger in Kauf genommen werden, so daß durch die mit dieser Flexibilität verknüpfte Ungenauigkeit der zentrischen Lage der Kommutatorbürsten sich die Kommutierungsqualität verschlechtert.To ensure good quality commutation, it is important that the brush holder is centered to the commutator axis. Deviations from this cause imbalances in the energization, and the forces generated by them are again Causes of noise. In the noise-decoupled brush holder, a certain flexibility of the brush holder with respect to the brush holder must be taken into account, so that deteriorates the commutation by the associated with this flexibility inaccuracy of the centric position of the commutator brushes.
Bei einem bekannten, geräuschentkoppelten Bürstenhalter (
Der erfindungsgemäße Kontaktelementhalter mit den Merkmalen des Anspruchs 1 hat den Vorteil, daß eine rotatorische Entkopplung der Köcher um die Rotorachse ohne zusätzliche Freiheitsgrade translatorischer oder rotatorischer Art erzielt wird und dadurch in Anwendung bei Kommutatormaschinen die für eine gute Kommutierung erforderliche, zentrierte Position der Kommutatorbürsten gegenüber einem nicht geräuschentkoppelten, starren Bürstenhalter.nicht verschlechtert wird. Die für die Bürstengeräusche verantwortlichen Reibwertschwankungen zwischen Kommutatorlamellen und Kommutatorbürsten, bewirken ausschließlich eine rotatorische Verdrehung der Köcher und beeinflussen dadurch die zentrierte Lage der Kommutatorbürsten nicht. Durch Veränderung von Geometrie, Position und Anzahl der Entkopplungselemente ist der Kontaktelementhalter gezielt abstimmbar und kann damit an unterschiedliche Anwendungsfälle Maschinen recht einfach angepaßt werden.The contact element holder according to the invention with the features of claim 1 has the advantage that a rotational decoupling of the quiver around the rotor axis without additional degrees of translational or rotational nature is achieved and thereby in use in commutator required for a good commutation, centered position of the commutator over a not noise-decoupled, rigid brush holder.not deteriorated. The responsible for the brush noise Reibwertschwankungen between commutator and commutator, cause exclusively a rotatory rotation of the quiver and thus do not influence the centered position of the commutator brushes. By changing the geometry, position and number of decoupling elements of the contact element holder is specifically tuned and can therefore be adapted quite easily to different applications machines.
Durch die in den weiteren Ansprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen des im Anspruch 1 angegebenen Kontaktelementhalters möglich.The measures listed in the further claims advantageous refinements and improvements of claim 1 contact element holder are possible.
Der erfindungsgemäße Kontaktelementhalter läßt sich konstruktiv sehr einfach dadurch realisieren, daß gemäß einer bevorzugten Ausführungsform der Erfindung mindestens drei Entkopplungselemente vorgesehen sind und jedes Entkopplungselement nur einen Freiheitsgrad aufweist, wobei die Entkopplungselemente so zwischen Träger und Köcher angeordnet sind, daß der Freiheitsgrad jedes Entkopplungselements in Tangentialrichtung zum Rotor verläuft.The contact element holder according to the invention can be realized structurally very simple in that according to a preferred embodiment of the invention, at least three decoupling elements are provided and each decoupling element has only one degree of freedom, wherein the decoupling elements are arranged between the carrier and quiver so that the degree of freedom of each decoupling element in the tangential direction Rotor runs.
Gemäß einer bevorzugten Ausführungsform der Erfindung sind die Entkopplungselemente um vorzugsweise gleiche Drehwinkel in Umfangsrichtung gegeneinander versetzt, also sternförmig angeordnet.According to a preferred embodiment of the invention, the decoupling elements are offset by preferably the same rotation angle in the circumferential direction against each other, so arranged in a star shape.
Gemäß einer bevorzugten Ausführungsform der Erfindung sind die Köcher auf einem Zwischenträger angeordnet und Träger und Zwischenträger durch die Entkopplungselemente miteinander verbunden.According to a preferred embodiment of the invention, the quivers are arranged on an intermediate carrier and carrier and intermediate carrier are interconnected by the decoupling elements.
Träger und Zwischenträger sind dabei als Isolierstoffplatten ausgeführt, die in einer gemeinsamen Ebene liegen, und die elastischen Stege erstrecken sich rechtwinklig zu den Platten. Durch diese konstruktive Ausführung mit "stehenden Entkopplungselementen" hat der Kontaktelementhalter einen geringen Platzbedarf, was vorteilhaft für die Unterbringung zusätzlicher Entstörelemente ist. Außerdem liegen die Entkopplungselemente beim Spritzen des einstückigen Kontaktelementhalters in Entformungsrichtung, so daß im Spritzwerkzeug keine zusätzlichen Querschieber erforderlich sind.Carrier and intermediate carrier are designed as Isolierstoffplatten, which lie in a common plane, and the elastic webs extend at right angles to the plates. This constructive design with "standing decoupling elements" of the contact element holder has a small footprint, which is advantageous for the accommodation of additional suppression elements. In addition, the decoupling elements are when spraying the one-piece contact element holder in Entformungsrichtung, so that no additional cross slide are required in the injection mold.
Die Erfindung ist anhand von in der Zeichnung dargestellten Ausführungsbeispielen in der nachfolgenden Beschreibung näher erläutert. Es zeigen in schematisierter Darstellung:
- Fig. 1 und 2
- jeweils eine Draufsicht eines Bürstenhalters für einen Gleichstromkleinmotor gemäß einem ersten und zweiten Ausführungsbeispiel,
- Fig. 3
- einen Schnitt längs der Linie III - III in
Fig. 1 , - Fig. 4
- einen Schnitt längs der Linie IV- IV in
Fig. 2 .
- Fig. 1 and 2
- each a plan view of a brush holder for a DC small motor according to a first and second embodiment,
- Fig. 3
- a section along the line III - III in
Fig. 1 . - Fig. 4
- a section along the line IV-IV in
Fig. 2 ,
Der in
Für den zweipolig ausgeführten Gleichstromkleinmotor hat der Bürstenhalter zwei Kommutatorbürsten 16, die jeweils in einem sich in Richtung der Durchtrittsöffung 15 erstreckenden Bürstenköcher 17 axial verschieblich aufgenommen sind und im montierten Zustand mittels hier nicht dargestellter Bürstenandruckfedern auf den Kommutator aufgedrückt werden. Die elektrischen Anschlußlitzen der Kommutatorbürsten 16 sind mit 18 bezeichnet. Die Bürstenköcher 17 sind auf dem Zwischenträger 13 befestigt. Hierzu sind am Zwischenträger 13 zwei abstrebende Arme 131 vorgesehen, die mit Spiel in entsprechenden, seitlichen Verlängerungen 121 der Aussparung 12 einliegen. Die Bürstenköcher 17 sind aus Metall gefertigt und auf den Armen 131 befestigt. In einer alternativen Ausführungsform der Erfindung können die Bürstenköcher 17 auch aus Isolierstoff gefertigt werden und werden dann einstückig mit der Isolierstoffplatte des Zwischenträgers 13 durch Spritzen hergestellt, so daß die Arme 131 entfallen. Die vier Entkopplungselemente 14 sind um gleiche Umfangswinkel gegeneinander versetzt sternförmig um die Durchtrittsöffnung 12 im Zwischenträger 13 angeordnet und sind einerseits zwischen den Bürstenköchern 17 an dem Zwischenträger 13 und andererseits an dem Träger 11 festgelegt. Jedes Entkopplungselement 14 weist nur einen Freiheitsgrad auf und ist so angeordnet, daß dieser Freiheitsgrad in Tangentialrichtung zum Kommutator, also zu der den Kommutator aufnehmenden Durchtrittsöffnung 15, verläuft, wobei selbstverständlich der Bürstenhalter so im Motorgehäuse montiert ist, daß die Achse der Durchtrittsöffnung 15 im Zwischenträger 13 mit der Kommutatorachse zusammenfällt. Durch die sternförmige Anordnung der Entkopplungselemente 14 mit tangential gerichtetem Freiheitsgrad vermag der Zwischenträger 13 mit den darauf befestigten Bürstenköchern 17 ausschließlich einen begrenzten, rotatorischen Schwenkweg um den Kommutator auszuführen, so daß die auf den Kommutator sich aufpressenden Kommutatorbürsten 16 rotatorisch entkoppelt sind. Weitere Freiheitsgrade, nämlich zwei rotatorische und drei translatorische, sind nicht vorhanden oder sind vernachlässigbar.For the two-pole DC motor, the brush holder has two
In dem Ausführungsbeispiel der
Der in
Der beispielhaft als Bürstenhalter für eine Kommutatormaschine beschriebene Kontaktelementhalter zur Herstellung einer elektrischen Verbindung zu einem Rotor, im Ausführungsbeispiel zum Kommutator, ist auch bei sog. Schleifringmaschinen, z.B. Synchronmaschinen mit Schleifringläufer einsetzbar, In diesem Fall werden anstelle der Kommutatorbürsten sog. Schleifbürsten in die Köcher eingesetzt, die federbelastet auf mindestens einem Schleifring statt auf einem Kommutator aufliegen. Darüber hinaus kann der beschriebene Kontaktelementhalter überall dort Anwendung finden, wo ein elektrischer Berührungskontakt zwischen einem räumlich feststehenden, stromführenden Bauteil und einem dazu rotierenden, stromführenden Bauteil (Rotor) hergestellt werden soll.The contact element holder described by way of example as a brush holder for a commutator machine for producing an electrical connection to a rotor, in the exemplary embodiment to the commutator, is also used in so-called slip ring machines, e.g. Synchronous machines can be used with slip ring rotors. In this case, so-called abrasive brushes are inserted into the quivers instead of the commutator brushes, which rest spring-loaded on at least one slip ring instead of on a commutator. In addition, the contact element holder described can be found everywhere where an electrical contact between a contact point, a current-carrying component and a rotating, current-carrying component (rotor) is to be produced.
Claims (11)
- Contact element holder for making electrical contact with a rotor, in particular brush holder for commutator or slip ring machines, having a stationary support (11), having at least one cartridge (17) which is held on the support (11), faces a central passage opening (15) for the rotor and serves to displaceably receive an electrically conductive contact element (16), and having decoupling elements (14) which are arranged between support (11) and cartridge (17), wherein the decoupling elements (14) are designed and arranged in such a way that the at least one cartridge (17) can execute only a limited, rotary pivoting movement about the rotor, characterized in that the decoupling elements (14) are in the form of elastic, flat webs (19), each of which is situated in a plane which is radial to the axis of the central passage opening (15) for the rotor.
- Holder according to Claim 1, characterized in that at least three decoupling elements (14) are provided, and each decoupling element (14) has only one degree of freedom, and in that the decoupling elements (14) are arranged between support (11) and the at least one cartridge (17) such that the degree of freedom runs in the tangential direction in relation to the rotor.
- Holder according to Claim 1 or 2, characterized in that the decoupling elements (14) are arranged offset in relation to one another in the circumferential direction through preferably identical rotation angles.
- Holder according to one of Claims 1-3, characterized in that the at least one cartridge (17) is arranged on an intermediate support (13), and in that the decoupling elements (14) connect the support (11) and the intermediate support (13) to one another.
- Holder according to Claim 4, characterized in that the decoupling elements (14) act on the intermediate support (13) at a distance from the at least one cartridge (17).
- Holder according to Claim 1, characterized in that each web (19) is formed in a U-shaped manner with two limbs (191, 192) and one yoke (193) which connects the limbs (191, 192) and lies in the radial plane, and in that one limb (191) is secured to the support (11), and the other limb (192) is secured to the intermediate support (13).
- Holder according to Claim 6, characterized in that support (11) and intermediate support (13) are in the form of insulating-material plates, and the webs (19) project at right angles from the insulating-material plates.
- Holder according to Claim 7, characterized in that the at least one cartridge (17) is mounted on that insulating-material plate which forms the intermediate support (13), and is preferably composed of metal.
- Holder according to Claim 8, characterized in that the at least one cartridge (17) is integrally formed with that insulating-material plate which forms the intermediate support (13).
- Holder according to one of Claims 7-9, characterized in that the insulating-material plates, which form the support (11) and the intermediate support (13), and the webs (19) are injection-moulded in one piece.
- Holder according to one of Claims 1-10, characterized in that at least two cartridges (17) which are arranged offset in relation to one another through identical rotation angles are present.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10249157 | 2002-10-22 | ||
DE10249157A DE10249157A1 (en) | 2002-10-22 | 2002-10-22 | Contact element holder |
PCT/DE2003/001715 WO2004040715A1 (en) | 2002-10-22 | 2003-05-26 | Contact element holder |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1563575A1 EP1563575A1 (en) | 2005-08-17 |
EP1563575B1 true EP1563575B1 (en) | 2014-04-16 |
Family
ID=32087095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03740040.5A Expired - Lifetime EP1563575B1 (en) | 2002-10-22 | 2003-05-26 | Contact element holder |
Country Status (9)
Country | Link |
---|---|
US (1) | US7282125B2 (en) |
EP (1) | EP1563575B1 (en) |
JP (1) | JP4327728B2 (en) |
KR (1) | KR100995487B1 (en) |
CN (1) | CN100380752C (en) |
BR (1) | BRPI0306597B1 (en) |
DE (1) | DE10249157A1 (en) |
RU (1) | RU2305881C2 (en) |
WO (1) | WO2004040715A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004041486A1 (en) * | 2004-08-27 | 2006-03-02 | Robert Bosch Gmbh | Brush holder with spring elements |
CN101937805B (en) * | 2009-06-30 | 2013-04-17 | 浙江赛菲特电气有限公司 | Upper contact base of drop-out fuse |
DE102014207002A1 (en) * | 2014-04-11 | 2015-10-15 | Volkswagen Aktiengesellschaft | Electric motor with a commutator device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5746A (en) * | 1980-06-02 | 1982-01-05 | Toshiba Corp | Brush holder of electric rotary machine |
DE4241405A1 (en) * | 1992-12-09 | 1994-06-16 | Bosch Gmbh Robert | Noise-isolated brush holder for electric commutator machine - has brush quivers for admitting commutator brushes held on to holder fixed in machine housing by springy elastic bridges |
JP2001245458A (en) * | 2000-02-28 | 2001-09-07 | Koyo Seiko Co Ltd | Electric motor and power steering device using this motor |
WO2001078213A1 (en) * | 2000-04-12 | 2001-10-18 | Robert Bosch Gmbh | Electromotor |
WO2002023682A1 (en) * | 2000-09-05 | 2002-03-21 | Robert Bosch Gmbh | Brush holder for commutating machines |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE311993C (en) * | ||||
DE19654352A1 (en) * | 1996-12-24 | 1998-06-25 | Bosch Gmbh Robert | Collector machine with housing contact |
GB0003134D0 (en) * | 2000-02-12 | 2000-04-05 | Johnson Electric Sa | Brush holder assembly |
-
2002
- 2002-10-22 DE DE10249157A patent/DE10249157A1/en not_active Withdrawn
-
2003
- 2003-05-26 US US10/514,819 patent/US7282125B2/en not_active Expired - Lifetime
- 2003-05-26 RU RU2004122638/09A patent/RU2305881C2/en not_active IP Right Cessation
- 2003-05-26 JP JP2004547360A patent/JP4327728B2/en not_active Expired - Fee Related
- 2003-05-26 KR KR1020057006993A patent/KR100995487B1/en active IP Right Grant
- 2003-05-26 CN CNB03804448XA patent/CN100380752C/en not_active Expired - Lifetime
- 2003-05-26 WO PCT/DE2003/001715 patent/WO2004040715A1/en active Application Filing
- 2003-05-26 EP EP03740040.5A patent/EP1563575B1/en not_active Expired - Lifetime
- 2003-05-26 BR BRPI0306597A patent/BRPI0306597B1/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5746A (en) * | 1980-06-02 | 1982-01-05 | Toshiba Corp | Brush holder of electric rotary machine |
DE4241405A1 (en) * | 1992-12-09 | 1994-06-16 | Bosch Gmbh Robert | Noise-isolated brush holder for electric commutator machine - has brush quivers for admitting commutator brushes held on to holder fixed in machine housing by springy elastic bridges |
JP2001245458A (en) * | 2000-02-28 | 2001-09-07 | Koyo Seiko Co Ltd | Electric motor and power steering device using this motor |
WO2001078213A1 (en) * | 2000-04-12 | 2001-10-18 | Robert Bosch Gmbh | Electromotor |
WO2002023682A1 (en) * | 2000-09-05 | 2002-03-21 | Robert Bosch Gmbh | Brush holder for commutating machines |
Also Published As
Publication number | Publication date |
---|---|
BR0306597A (en) | 2004-11-30 |
KR100995487B1 (en) | 2010-11-22 |
CN1639926A (en) | 2005-07-13 |
JP4327728B2 (en) | 2009-09-09 |
US20050205420A1 (en) | 2005-09-22 |
EP1563575A1 (en) | 2005-08-17 |
RU2004122638A (en) | 2006-01-20 |
BRPI0306597B1 (en) | 2016-05-17 |
CN100380752C (en) | 2008-04-09 |
WO2004040715A1 (en) | 2004-05-13 |
DE10249157A1 (en) | 2004-05-06 |
US7282125B2 (en) | 2007-10-16 |
RU2305881C2 (en) | 2007-09-10 |
JP2006504383A (en) | 2006-02-02 |
KR20050067197A (en) | 2005-06-30 |
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