DE102008059566A1 - Antifriction bearing arrangement for tensioning, pressuring or deflecting device of traction mechanism drive, has antifriction bearing for rotary support of drive traction pulley - Google Patents
Antifriction bearing arrangement for tensioning, pressuring or deflecting device of traction mechanism drive, has antifriction bearing for rotary support of drive traction pulley Download PDFInfo
- Publication number
- DE102008059566A1 DE102008059566A1 DE102008059566A DE102008059566A DE102008059566A1 DE 102008059566 A1 DE102008059566 A1 DE 102008059566A1 DE 102008059566 A DE102008059566 A DE 102008059566A DE 102008059566 A DE102008059566 A DE 102008059566A DE 102008059566 A1 DE102008059566 A1 DE 102008059566A1
- Authority
- DE
- Germany
- Prior art keywords
- blades
- rolling bearing
- pulley
- antifriction bearing
- traction
- 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.)
- Withdrawn
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims description 45
- 238000005461 lubrication Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
- F16C33/6662—Details of supply of the liquid to the bearing, e.g. passages or nozzles the liquid being carried by air or other gases, e.g. mist lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
- F16C37/007—Cooling of bearings of rolling bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/63—Gears with belts and pulleys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes or chains
- F16H2007/0863—Finally actuated members, e.g. constructional details thereof
- F16H2007/0865—Pulleys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
- F16H57/0471—Bearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
Gebiet der ErfindungField of the invention
Die Erfindung betrifft eine Wälzlageranordnung einer Spann-, Andruck- oder Umlenkrolleneinrichtung eines Zugmitteltriebes, umfassend wenigstens ein Wälzlager zur drehbaren Abstützung einer mit einem Zugmittel in Wirkkontakt bringbaren Zugmittelscheibe sowie eine Lüftungsvorrichtung mit Schaufeln, wobei die Lüftungsvorrichtung konzentrisch zur Rotationsachse der Zugmittelscheibe angeordnet ist.The The invention relates to a roller bearing assembly of a tension, Pressure or deflection roller device of a traction mechanism drive, comprising at least one rolling bearing for rotatable support one can be brought into operative contact with a traction means pulley and a ventilation device with blades, wherein the Ventilation device concentric with the axis of rotation of the Zugmittelscheibe is arranged.
Hintergrund der ErfindungBackground of the invention
Derartige Wälzlageranordnungen werden beispielsweise in Zusammenhang mit Zugmitteltrieben von Verbrennungsmotoren eines Kraftfahrzeugs verwendet. Im Fahrzeug- bzw. Motorenbau werden zunehmend Zugmitteltriebe eingesetzt, die im Ölbad laufen. Derartige Zugmitteltrieb-Konfigurationen finden vorzugsweise im Steuerbetrieb eines Verbrennungsmotors Anwendung, wobei der Steuertrieb eine Kurbelwelle mit mindestens eine Nockenwelle antriebswirksam miteinander verbindet. Üblicherweise werden in diesem Zusammenhang Wälzlager in ungedichteter Ausführung eingesetzt. Man geht hierbei davon aus, dass der im Bereich des Wälzlagers vorhandene Ölnebel ausreicht, um eine zuverlässige Schmierung des Wälzlagers zu gewährleisten.such Rolling bearing arrangements are related, for example used with traction drives of internal combustion engines of a motor vehicle. In vehicle and engine construction increasingly traction drives are used who run in an oil bath. Such traction drive configurations are preferably used in the control mode of an internal combustion engine, wherein the control drive a crankshaft with at least one camshaft drive-effectively connects with each other. Usually In this context rolling bearings in un-sealed design used. It is assumed here that in the area of Rolling bearing existing oil mist is sufficient to a to ensure reliable lubrication of the rolling bearing.
Des Weiteren sind bei einer solchen Wälzlageranordnung die Spann- bzw. Umlenkrollen im Allgemeinen am Motorblock befestigt, wodurch Wärme auf die Spannrolle und auch auf das Wälzlager übertragen wird. Durch eine zu große Erwärmung kann jedoch ebenfalls die einwandfreie Funktion des Wälzlagers beeinträchtigt werden.Of Further, in such a rolling bearing assembly, the Tensioning pulleys generally attached to the engine block, whereby heat is transferred to the tension roller and also to the rolling bearing becomes. However, too much warming can also impaired the proper functioning of the rolling bearing become.
Aus
der
In
der
Aufgabe der ErfindungObject of the invention
Der Erfindung liegt die Aufgabe zugrunde, eine gattungsgemäße Wälzlageranordnung bereitzustellen, welche die Schmierbedingungen im Wälzlager optimiert.Of the Invention is based on the object, a generic Rolling arrangement to provide the lubrication conditions optimized in the rolling bearing.
Zusammenfassung der ErfindungSummary of the invention
Der Erfindung liegt die Erkenntnis zugrunde, dass durch die geometrische Ausgestaltung der Schaufeln die Betriebs- bzw. Schmierbedingungen im Wälzlager entscheidend beeinflusst werden können.Of the Invention is based on the knowledge that by the geometric Design of the blades the operating or lubricating conditions in Rolling bearings can be decisively influenced.
Die Erfindung geht daher aus von einer Wälzlageranordnung einer Spann-, Andruck- oder Umlenkrolleneinrichtung eines Zugmitteltriebes, umfassend wenigstens ein Wälzlager zur drehbaren Abstützung einer mit einem Zugmittel in Wirkkontakt bringbaren Zugmittelscheibe sowie eine Lüftungsvorrichtung mit Schaufeln, wobei die Lüftungsvorrichtung konzentrisch zur Rotationsachse der Zugmittelscheibe angeordnet ist. Zudem ist erfindungsgemäß vorgesehen, dass die Schaufeln der Lüftungsvorrichtung in einer senkrecht zur Rotationsachse stehenden Ebene eine gekrümmte Form aufweisen.The The invention is therefore based on a rolling bearing assembly of a Clamping, pressure or deflection roller device of a traction mechanism drive, comprising at least one rolling bearing for rotatable support one can be brought into operative contact with a traction means pulley and a ventilation device with blades, wherein the Ventilation device concentric with the axis of rotation of the Zugmittelscheibe is arranged. In addition, the invention provides that the blades of the ventilation device in a vertical to the axis of rotation plane a curved shape exhibit.
Durch diesen Aufbau wird ein im Vergleich zu bekannten Vorrichtungen sehr viel stärkerer Strom von mit Öltröpfchen versetzter Luft in unmittelbarer Nähe des Wälzlagers erzeugt und dadurch eine Optimierung der Schmierbedingungen im Wälzlager erreicht. Dadurch wird gewährleistet, dass immer eine ausreichende Menge an Schmierstoff bzw. Ölnebel in das Wälzlager eingebracht werden kann.By This structure becomes a lot compared to known devices much stronger stream of with oil droplets staggered air in the immediate vicinity of the rolling bearing generates and thereby optimize the lubrication conditions in the rolling bearing reached. This ensures that there is always enough Quantity of lubricant or oil mist in the rolling bearing can be introduced.
Gemäß einer ersten Weiterbildung der Erfindung ist vorgesehen, dass die Krümmungen aller Schaufeln identisch sind, also in die gleiche Richtung weisen. Hierdurch lassen sich günstige Strömungsbedingungen des Fluids innerhalb der Wälzlageranordnung realisieren.According to one first embodiment of the invention is provided that the curvatures all blades are identical, pointing in the same direction. This allows favorable flow conditions realize the fluid within the rolling bearing assembly.
Gemäß einer zweiten Weiterbildung der Erfindung ist vorgesehen, dass zwischen jeweils zwei benachbarten Schaufeln ein Abstand gebildet ist, der in radialer Richtung veränderlich ist. Dies ermöglicht eine optimale Abstimmung der Strömungsbedingungen des Fluids innerhalb der Wälzlageranordnung an die konkret vorliegenden Anforderungen.According to one second embodiment of the invention, it is provided that between each two adjacent blades a distance is formed in Radial direction is variable. This allows a optimal coordination of the flow conditions of the fluid within the rolling bearing assembly to the concrete present Conditions.
Gemäß einer weiteren vorteilhaften Ausbildung des Erfindungsgedankens kann der Abstand zwischen jeweils zwei benachbarten Schaufeln in radialer Richtung nach außen zunehmen.According to one Another advantageous embodiment of the inventive concept, the Distance between each two adjacent blades in radial Increase towards the outside.
Wenn die Schaufeln in zweckmäßiger Ausgestaltung der Erfindung einstückig mit der Zugmittelscheibe verbunden sind, lässt sich die Herstellung der Wälzlageranordnung vereinfachen und die Teilevielfalt verringern. So können die Schaufeln beispielsweise einfach an die Zugmittelscheibe angespritzt sein. Zudem führt dies zu einer zusätzlichen Versteifung der Zugmittelscheibe.If the blades are connected in an expedient embodiment of the invention in one piece with the pulley, the production can be simplify the rolling bearing assembly and reduce the variety of parts. For example, the blades can simply be molded onto the pulley. In addition, this leads to an additional stiffening of the pulley.
Alternativ und höchst vorteilhaft können die Schaufeln jedoch auch einstückig mit einem Deckel verbunden sein, der an der Zugmittelscheibe befestigbar, vorzugsweise verrastbar ist. Dies ermöglicht, den Deckel mitsamt der Schaufeln nachträglich als eine Art Nachrüstlösung an der Zugmittelscheibe zu befestigen. Der Deckel ist vorzugsweise aus einem Kunststoff gefertigt.alternative however, the blades can be most beneficial also be integrally connected to a lid, the the Zugmittelscheibe fastened, preferably can be latched. This allows the lid together with the blades later as a kind of retrofit solution on the pulley to fix. The lid is preferably made of a plastic manufactured.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Die Erfindung wird im Folgenden anhand der beiliegenden Zeichnung an einem bevorzugten Ausführungsbeispiel näher erläutert. Darin zeigtThe The invention will be described below with reference to the accompanying drawings a preferred embodiment explained in more detail. It shows
Detaillierte Beschreibung der ZeichnungenDetailed description the drawings
Zunächst
wird auf die
In
In
Je
nachdem, wie die Geometrie der Schaufeln
In
- 11
- Zugmittelscheibepulley
- 22
- Wälzlagerroller bearing
- 33
- Lüftungsvorrichtungbreather
- 44
- Schaufelnshovel
- 55
- Deckelcover
- 66
- Strömungskanäleflow channels
- 1010
- Verzahnunggearing
- 1111
- Rippenribs
- 2121
- Innenringinner ring
- 2222
- Außenringouter ring
- 2323
- Wälzkörperrolling elements
- AA
- Abstand zwischen zwei Schaufelndistance between two blades
- RR
- Rotationsrichtungdirection of rotation
- rr
- Rotationsachseaxis of rotation
- radwheel
- radiale Richtungradial direction
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 102008016303 A1 [0004] DE 102008016303 A1 [0004]
- - DE 10220690 A1 [0005] DE 10220690 A1 [0005]
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008059566A DE102008059566A1 (en) | 2008-11-28 | 2008-11-28 | Antifriction bearing arrangement for tensioning, pressuring or deflecting device of traction mechanism drive, has antifriction bearing for rotary support of drive traction pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008059566A DE102008059566A1 (en) | 2008-11-28 | 2008-11-28 | Antifriction bearing arrangement for tensioning, pressuring or deflecting device of traction mechanism drive, has antifriction bearing for rotary support of drive traction pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102008059566A1 true DE102008059566A1 (en) | 2010-06-10 |
Family
ID=42145380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102008059566A Withdrawn DE102008059566A1 (en) | 2008-11-28 | 2008-11-28 | Antifriction bearing arrangement for tensioning, pressuring or deflecting device of traction mechanism drive, has antifriction bearing for rotary support of drive traction pulley |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102008059566A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075502A (en) * | 2013-01-14 | 2013-05-01 | 长治市潞安合力机械有限责任公司 | Bi-directional blade wheel |
| WO2013135497A1 (en) * | 2012-03-14 | 2013-09-19 | Schaeffler Technologies AG & Co. KG | Rolling bearing assembly |
| CN104279297A (en) * | 2014-09-13 | 2015-01-14 | 常州澳德森江浪减速机有限公司 | Dust removing type speed reducer gear |
| CN105587760A (en) * | 2016-01-15 | 2016-05-18 | 江苏大学 | Rolling bearing with blades for enhanced heat dissipation, and design method thereof |
| WO2018090915A1 (en) * | 2016-11-16 | 2018-05-24 | 舍弗勒技术股份两合公司 | Thrust bearing |
| CN112555392A (en) * | 2019-09-10 | 2021-03-26 | 徐州戴卡斯町科技有限公司 | Radiator blade for automobile speed reducer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10220690A1 (en) | 2002-05-10 | 2003-11-20 | Ina Schaeffler Kg | Tensioning roller for traction belt or chain has breakthroughs in radial webs for passage of cooling air |
| DE102008016303A1 (en) | 2007-04-04 | 2008-10-09 | Aktiebolaget Skf | Tensioning roller device for internal combustion engine of motor vehicle, has fan with axial circular section and openings permitting radial removal of air flow, and wing with supporting section connected to circular section |
-
2008
- 2008-11-28 DE DE102008059566A patent/DE102008059566A1/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10220690A1 (en) | 2002-05-10 | 2003-11-20 | Ina Schaeffler Kg | Tensioning roller for traction belt or chain has breakthroughs in radial webs for passage of cooling air |
| DE102008016303A1 (en) | 2007-04-04 | 2008-10-09 | Aktiebolaget Skf | Tensioning roller device for internal combustion engine of motor vehicle, has fan with axial circular section and openings permitting radial removal of air flow, and wing with supporting section connected to circular section |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013135497A1 (en) * | 2012-03-14 | 2013-09-19 | Schaeffler Technologies AG & Co. KG | Rolling bearing assembly |
| CN104105895A (en) * | 2012-03-14 | 2014-10-15 | 舍弗勒技术有限两合公司 | Rolling bearing assembly |
| US9366295B2 (en) | 2012-03-14 | 2016-06-14 | Schaeffler Technologies AG & Co. KG | Rolling bearing assembly |
| CN103075502A (en) * | 2013-01-14 | 2013-05-01 | 长治市潞安合力机械有限责任公司 | Bi-directional blade wheel |
| CN104279297A (en) * | 2014-09-13 | 2015-01-14 | 常州澳德森江浪减速机有限公司 | Dust removing type speed reducer gear |
| CN105587760A (en) * | 2016-01-15 | 2016-05-18 | 江苏大学 | Rolling bearing with blades for enhanced heat dissipation, and design method thereof |
| WO2018090915A1 (en) * | 2016-11-16 | 2018-05-24 | 舍弗勒技术股份两合公司 | Thrust bearing |
| CN112555392A (en) * | 2019-09-10 | 2021-03-26 | 徐州戴卡斯町科技有限公司 | Radiator blade for automobile speed reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8127 | New person/name/address of the applicant |
Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 H, DE |
|
| R081 | Change of applicant/patentee |
Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20120824 Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20120824 |
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| R081 | Change of applicant/patentee |
Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES AG & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20140218 Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES AG & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20140218 |
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| R081 | Change of applicant/patentee |
Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20150223 |
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| R005 | Application deemed withdrawn due to failure to request examination |