DE29500984U1 - Electromotive transmission adjustment drive, in particular motor vehicle window lift drive - Google Patents
Electromotive transmission adjustment drive, in particular motor vehicle window lift driveInfo
- Publication number
- DE29500984U1 DE29500984U1 DE29500984U DE29500984U DE29500984U1 DE 29500984 U1 DE29500984 U1 DE 29500984U1 DE 29500984 U DE29500984 U DE 29500984U DE 29500984 U DE29500984 U DE 29500984U DE 29500984 U1 DE29500984 U1 DE 29500984U1
- Authority
- DE
- Germany
- Prior art keywords
- rotor shaft
- rotor
- commutator
- adjustment drive
- shaft
- 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
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 238000005452 bending Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 description 7
- 238000003475 lamination Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910018516 Al—O Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004413 injection moulding compound Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
- H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
- E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
- E05F15/697—Motor units therefor, e.g. geared motors
-
- 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
- H01R39/14—Fastenings of commutators or slip-rings to shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/55—Windows
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Description
GR 94 G 3028 DE 01 .**.***! ,'*, .:GR 94 G 3028 DE 01 .**.***! ,'*, .:
BeschreibungDescription
Elektromotorischer Getriebe-Verstellantrieb, insbesondere
Kraftfahrzeug-Fensterheberantrieb
5Electromotive gear adjustment drive, in particular motor vehicle window lifter drive
5
Die Erfindung bezieht sich auf einen elektromotorischen Getriebe-Verstellantrieb, insbesondere Kraftfahrzeug-Fensterheberantrieb, gemäß Anspruch 1.The invention relates to an electromotive gear adjustment drive, in particular a motor vehicle window lifter drive, according to claim 1.
Durch die EP-Al-O 394 512, insbesondere FIG 1, ist ein elektromotorischer Fensterheberantrieb mit von einem Kommutatormotor angetriebenem Schneckengetriebe bekannt. Das Motorgehäuse des Kommutatormotors ist an das Getriebegehäuse des Schneckengetriebes angeflanscht; die aus Stahl gefertigte Rotorwelle ist als Getriebewelle bis in das Getriebegehäuse reichend verlängert und dort mit einer eingefrästen Schneckenwelle versehen, die mit einem abtriebsseitigen Schneckenrad kämmt. Der Kommutator sowie das Rotorblechpaket des Kommutatormotors sind in üblicher Weise auf die stählerne Rotorwelle aufgedrückt und im Preßsitz auf dieser gehalten.EP-Al-O 394 512, in particular FIG 1, discloses an electric motor window lifter drive with a worm gear driven by a commutator motor. The motor housing of the commutator motor is flanged to the gear housing of the worm gear; the rotor shaft made of steel is extended as a gear shaft into the gear housing and is provided there with a milled worm shaft that meshes with a worm wheel on the output side. The commutator and the rotor laminated core of the commutator motor are pressed onto the steel rotor shaft in the usual way and held in a press fit.
Der Fertigungs- und Montageaufwand für einen elektromotorischen Getriebe-Verstellantrieb mit zumindest jeweils einem auf einer Rotorwelle gehaltenen Rotorblechpaket und Kommuta-5 tormotor sowie mit einem Getriebeabtriebsmittel auf einem verlängerten Rotorwellenende kann erfindungsgemäß durch die Merkmale des Anspruchs 1 wesentlich vermindert werden; vorteilhafte Ausgestaltungen der Erfindung sind jeweils Gegenstand der Unteransprüche.The manufacturing and assembly costs for an electromotive gear adjustment drive with at least one rotor lamination stack and commutator motor held on a rotor shaft and with a gear output means on an extended rotor shaft end can be significantly reduced according to the invention by the features of claim 1; advantageous embodiments of the invention are the subject of the subclaims.
In herstellungstechnisch günstiger und aufwandsarmer Weise werden also beim Gegenstand der Erfindung das vorgefertigte Rotorblechpaket sowie der vorgefertigte Kommutator in eine Gießform gelegt, in der auch die Rotorwelle aus KunststoffIn a manner that is cost-effective and inexpensive to manufacture, the prefabricated rotor core and the prefabricated commutator are placed in a mold in which the plastic rotor shaft is also
GR 94 G 3028 DE 01GR 94 G 3028 EN 01
spritzgegossen wird, derart daß durch daß Gießen der Rotorwelle das Rotorblechpaket bzw. der Kommutator in einem Arbeitsgang gegeneinander isoliert mit der Rotorwelle im Sinne einer Bauteileinheit verbindbar und die Rotorwelle gleichzeitig mit dem abtriebsseitigen Getriebemittel, insbesondere einer Schneckenverzahnung, versehen werden kann.is injection molded in such a way that by casting the rotor shaft, the rotor lamination package or the commutator can be connected to the rotor shaft in a one-step process in an insulated manner in the sense of a component unit and the rotor shaft can simultaneously be provided with the output-side gear means, in particular a worm gear.
Durch die erfindungsgemäßen Maßnahmen kann in vorteilhafter Weise auch auf gesonderte, auf die Rotorwelle aufzusteckende Isolierhülsen verzichtet werden, die bei einer stählernen, d.h. elektrisch nach außen nicht isolierenden Rotorwelle dann notwendig sind, wenn z.B. Gefahr besteht, daß die Leitungsverbindungen zwischen den Lamellen des Kommutators einerseits und den Nuten des Rotorblechpaketes andererseits die Rotorwelle berühren.The measures according to the invention also make it possible to dispense with separate insulating sleeves that have to be plugged onto the rotor shaft, which are necessary for a steel rotor shaft, i.e. one that is not electrically insulating towards the outside, if, for example, there is a risk that the line connections between the laminations of the commutator on the one hand and the grooves of the rotor laminated core on the other hand will touch the rotor shaft.
Der fertigungstechnische Aufwand für einen elektromotorischen Getriebe-Verstellantrieb kann dadurch noch weiter gemindert werden, daß beim Spritzen der Welle gleichzeitig das Rotor-0 blechpaket auch mit einer Nutisolierung und stirnseitig mit aufgespritzten Isolierendscheiben versehen wird.The manufacturing effort for an electromotive gear adjustment drive can be further reduced by simultaneously providing the rotor lamination package with slot insulation and sprayed-on insulating end disks on the front side when the shaft is sprayed.
Zur Erhöhung der Biegefestigkeit der Rotorwelle gegenüber stärkeren radialen Verzahnungskräften zwischen der Schnecken-5 verzahnung und einem damit kämmenden Schneckenrad ist nach einer Ausgestaltung der Erfindung in die Rotorwelle im Bereich der Getriebeverzahnung eine die Rotorwelle gegenüber Durchbiegekräften versteifende Einlage, insbesondere ein axialer Metallstift, miteingespritzt.In order to increase the bending strength of the rotor shaft against stronger radial gearing forces between the worm gearing and a worm wheel meshing with it, according to one embodiment of the invention, an insert, in particular an axial metal pin, which stiffens the rotor shaft against bending forces is injected into the rotor shaft in the area of the gear gearing.
Die Erfindung sowie weitere vorteilhafte Ausgestaltungen der Erfindung werden im folgenden anhand eines schematisch dargestellten Ausführungsbeispiels in der Zeichnung näher erläutert; darin zeigen:The invention and further advantageous embodiments of the invention are explained in more detail below using a schematically illustrated embodiment in the drawing, in which:
GR 94 G 3028 DE 01 „**.*"! .". »: .**« &Ggr;*'GR 94 G 3028 DE 01 „**.*"! .". »: .**« &Ggr;*'
FIG 1 In einem axialen Längsschnitt eine Rotorwelle mit darauf
befestigtem Rotorblechpaket bzw. Kommutator sowie beim Spritzen der Rotorwelle gleichzeitig miteingespritzter
Schneckenverzahnung,·
FIG 2 eine Ansicht gemäß Verlauf II-II in FIG 1;
FIG 3 im vergrößerten Ausschnitt den mit der Rotorwelle mechanisch zu verbindenden Kommutator als Einzelteil;FIG 1 In an axial longitudinal section, a rotor shaft with a rotor core or commutator attached to it and worm gearing injected at the same time during the injection molding of the rotor shaft,
FIG 2 is a view along line II-II in FIG 1; FIG 3 is an enlarged detail of the commutator to be mechanically connected to the rotor shaft as an individual part;
FIG 4 die Anordnung gemäß FIG 1 im Schnittverlauf IV-IV.FIG 4 shows the arrangement according to FIG 1 in section IV-IV.
FIG 1 zeigt eine Rotorwelle 1 eines Kraftfahrzeug-Fensterheberantriebes . In hier nicht näher dargestellter Weise reicht die Rotorwelle 1 mit ihrem rechten Ende in ein Motorgehäuse eines antreibenden Kommutatormotors und mit ihrem linken Ende in ein an das Motorgehäuse angeflanschtes Getriebegehäuse, das ein Schneckengetriebe mit einem abtriebsseitigen Schneckenrad aufnimmt. Die Rotorwelle 1 ist in vorteilhafter Weise an ihren axialen Enden mit beim Spritzgießen mitangeformten Anlaufpilzen 1.4 versehen, die gegen korrespondierende Anlagenflächen des Motorgehäuses bzw. des Getriebegehäuses 0 axial anlaufen. Die Rotorwelle 1 trägt in ihrem rechten Teil ein hier noch unbewickeltes Rotorblechpaket 2 sowie einen Kommutator 3 mit am Außenumfang einer Preßmasse 3.3 über den Umfang verteilt angeordneten Lamellen 3.2; am linken Ende der Rotorwelle 1 ist eine Getriebeverzahnung 1.1 in Form einer 5 Schneckenwelle vorgesehen, die mit einem hier nicht dargestellten Schneckenrad kämmt.FIG 1 shows a rotor shaft 1 of a motor vehicle window lift drive. In a manner not shown in detail here, the rotor shaft 1 extends with its right end into a motor housing of a driving commutator motor and with its left end into a gear housing flanged to the motor housing, which accommodates a worm gear with a worm wheel on the output side. The rotor shaft 1 is advantageously provided at its axial ends with starting mushrooms 1.4 which are molded in during injection molding and which axially run against corresponding contact surfaces of the motor housing or the gear housing 0. The rotor shaft 1 carries in its right part a rotor laminated core 2, which is not yet wound here, as well as a commutator 3 with lamellae 3.2 distributed over the circumference on the outer circumference of a molding compound 3.3; At the left end of the rotor shaft 1, a gear toothing 1.1 in the form of a worm shaft is provided, which meshes with a worm wheel (not shown here).
Erfindungsgemäß ist die Rotorwelle 1 mit dem Rotorblechpaket 2 bzw. dem Kommutator 3 dadurch zu einer Bauteileinheit fest 0 verbunden, daß die Rotorwelle 1 als Spritzgußteil in einer Spritzgußform hergestellt wird, in der zuvor das noch nicht bewickelte Rotorblechpaket 2 bzw. der Kommutator 3 positionsgenau eingelegt sind; durch Einspritzen der Rotorwelle 1 in die Wellenbohrung des Rotorblechpaketes 2 bzw. des Kommutators 3 werden diese Bauteile fest miteinander verbunden; gleichzeitig wird an das linke verlängerte Ende der Rotorwelle 1 die Getriebeverzahnung 1.1 mitangespritzt.According to the invention, the rotor shaft 1 is firmly connected to the rotor core 2 or the commutator 3 to form a component unit by producing the rotor shaft 1 as an injection molded part in an injection mold in which the not yet wound rotor core 2 or the commutator 3 are previously inserted in a precise position; by injecting the rotor shaft 1 into the shaft bore of the rotor core 2 or the commutator 3, these components are firmly connected to one another; at the same time, the gear teeth 1.1 are also injected onto the left-hand extended end of the rotor shaft 1.
GR 94 G 3028 DE 01 .··,'"! .··. ,· ,*%;·*·GR 94 G 3028 DE 01 .··,'"! .··. ,· ,*%;·*·
Zur Erhöhung der Biegefestigkeit der Rotorwelle 1 gegenüber aufgrund der Schneckenverzahnung 1.1 betriebsmäßig auf die Rotorwelle 1 in diesem Bereich einwirkenden radialen Biegekräften ist in die Rotorwelle 1 eine gegenüber Durchbiegekräften versteifende Einlage 4, insbesondere ein axialer Metallstift, eingespritzt; da sich die Einlage nicht über die gesamte axiale Länge der Kunststoff-Rotorwelle erstreckt, kann in vorteilhafter Weise u.a. ein Verziehen der versteifenden Einlage aufgrund der beim Spritzgießen der Rotorwelle 1 gegebenenfalls auftretenden Wärmespannungen vermieden werden.In order to increase the bending strength of the rotor shaft 1 against the radial bending forces acting on the rotor shaft 1 in this area due to the worm gearing 1.1, an insert 4, in particular an axial metal pin, which stiffens it against bending forces is injected into the rotor shaft 1; since the insert does not extend over the entire axial length of the plastic rotor shaft, distortion of the stiffening insert due to the thermal stresses that may occur during injection molding of the rotor shaft 1 can be advantageously avoided.
Nach einer Ausgestaltung der Erfindung ist zwischen dem Rotorblechpaket 2 bzw. dem Kommutator 3 eine zusätzliche formschlüssige Anbindung an die eingespritzte Rotorwelle 1 durch Formschluß-Vorsprünge 2.1;3.1 vorgesehen, die sich in der Kunststoffspritzgußmasse der Rotorwelle 1 verankern.According to one embodiment of the invention, an additional positive connection to the injected rotor shaft 1 is provided between the rotor core 2 and the commutator 3 by means of positive-locking projections 2.1; 3.1, which are anchored in the plastic injection molding compound of the rotor shaft 1.
Der Fertigungs- und Montageaufwand kann dadurch weiter gemindert werden, daß in vorteilhafter Weise beim Spritzgußherstellen der Rotorwelle 1 und dem Spritzgußbefestigen des Rotorblechpaketes 2 bzw. des Kommutators 3 auf dem Umfang der Rotorwelle 1 sowie dem Spritzgießen der Getriebeverzahnung 1.1 auch gleichzeitig eine Nutisolierung 1.21 der zur Auf-5 nähme der Rotorwicklung in dem Rotorblechpaket 2 vorgesehenen Nuten 2.1 und/oder ein Aufspritzen von Isolierendscheiben 1.3 auf die Stirnseiten des Rotorblechpaketes 2 vorgesehen wird.The manufacturing and assembly costs can be further reduced by advantageously providing for slot insulation 1.21 of the slots 2.1 provided for receiving the rotor winding in the rotor laminated core 2 and/or injection molding of insulating end disks 1.3 onto the end faces of the rotor laminated core 2 during the injection molding of the rotor shaft 1 and the injection molding of the rotor laminated core 2 and/or the injection molding of the gear teeth 1.1.
Claims (8)
30k) The slot insulation (1.21) and the insulating end plate (1.3) are parts of the component unit formed during casting of the rotor shaft (1).
30
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29500984U DE29500984U1 (en) | 1994-01-31 | 1995-01-23 | Electromotive transmission adjustment drive, in particular motor vehicle window lift drive |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9401565U DE9401565U1 (en) | 1994-01-31 | 1994-01-31 | Electric motor drive, in particular motor vehicle window lifter drive |
DE29500984U DE29500984U1 (en) | 1994-01-31 | 1995-01-23 | Electromotive transmission adjustment drive, in particular motor vehicle window lift drive |
Publications (1)
Publication Number | Publication Date |
---|---|
DE29500984U1 true DE29500984U1 (en) | 1995-03-30 |
Family
ID=25961696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE29500984U Expired - Lifetime DE29500984U1 (en) | 1994-01-31 | 1995-01-23 | Electromotive transmission adjustment drive, in particular motor vehicle window lift drive |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE29500984U1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19543541A1 (en) * | 1995-05-20 | 1996-11-21 | Mando Machine Co Ltd | Rotor shaft for alternating current generator |
US5945758A (en) * | 1997-04-10 | 1999-08-31 | Max Baermann Gmbh | Rotor for an electric motor |
US6034455A (en) * | 1997-04-10 | 2000-03-07 | Max Baermann Gmbh | Rotor for an electric motor |
DE19854843A1 (en) * | 1998-11-27 | 2000-06-08 | Kirkwood Ind Gmbh | Device for turning the current, in particular commutator, and method for producing such a device |
DE19939528A1 (en) * | 1999-08-20 | 2001-02-22 | Bayerische Motoren Werke Ag | Electrical machine with a rotor and a stator |
EP1385252A1 (en) * | 2002-06-22 | 2004-01-28 | ZF Sachs AG | Electric machine with outer rotor and cast hub |
DE10005211B4 (en) * | 2000-02-05 | 2007-11-22 | Metabowerke Gmbh | Electric hand tool electric motor |
EP3793066A1 (en) | 2019-09-13 | 2021-03-17 | Metabowerke GmbH | Rotor plate for a rotor of an electric motor, rotor for an electric motor and electric motor |
DE102020113110A1 (en) | 2020-05-14 | 2021-11-18 | Bayerische Motoren Werke Aktiengesellschaft | Process for manufacturing a rotor and rotor |
-
1995
- 1995-01-23 DE DE29500984U patent/DE29500984U1/en not_active Expired - Lifetime
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19543541A1 (en) * | 1995-05-20 | 1996-11-21 | Mando Machine Co Ltd | Rotor shaft for alternating current generator |
US5945758A (en) * | 1997-04-10 | 1999-08-31 | Max Baermann Gmbh | Rotor for an electric motor |
US6034455A (en) * | 1997-04-10 | 2000-03-07 | Max Baermann Gmbh | Rotor for an electric motor |
DE19854843A1 (en) * | 1998-11-27 | 2000-06-08 | Kirkwood Ind Gmbh | Device for turning the current, in particular commutator, and method for producing such a device |
US6710500B1 (en) | 1998-11-27 | 2004-03-23 | Kirkwood Industries Gmbh | Commutation device, especially a commutator, and method for producing such a device |
DE19939528A1 (en) * | 1999-08-20 | 2001-02-22 | Bayerische Motoren Werke Ag | Electrical machine with a rotor and a stator |
US6700285B1 (en) | 1999-08-20 | 2004-03-02 | Bayerische Motoren Werke Ag | Electrical rotating machine having a rotor and a stator each having a non-rotatable connection between carrying element and laminations, and method of making same |
DE10005211B4 (en) * | 2000-02-05 | 2007-11-22 | Metabowerke Gmbh | Electric hand tool electric motor |
EP1385252A1 (en) * | 2002-06-22 | 2004-01-28 | ZF Sachs AG | Electric machine with outer rotor and cast hub |
US6924575B2 (en) | 2002-06-22 | 2005-08-02 | Zf Sachs Ag | Electric machine |
EP3793066A1 (en) | 2019-09-13 | 2021-03-17 | Metabowerke GmbH | Rotor plate for a rotor of an electric motor, rotor for an electric motor and electric motor |
DE102020113110A1 (en) | 2020-05-14 | 2021-11-18 | Bayerische Motoren Werke Aktiengesellschaft | Process for manufacturing a rotor and rotor |
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Legal Events
Date | Code | Title | Description |
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R207 | Utility model specification |
Effective date: 19950511 |
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R150 | Utility model maintained after payment of first maintenance fee after three years |
Effective date: 19980428 |
|
R151 | Utility model maintained after payment of second maintenance fee after six years |
Effective date: 20010703 |
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R152 | Utility model maintained after payment of third maintenance fee after eight years |
Effective date: 20030331 |
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R071 | Expiry of right |