DE102012209028A1 - Tensioning device for belt drive, has tension rollers in which one roller is mounted on tensioning arm and other roller is stationarily supported on tensioner housing - Google Patents
Tensioning device for belt drive, has tension rollers in which one roller is mounted on tensioning arm and other roller is stationarily supported on tensioner housing Download PDFInfo
- Publication number
- DE102012209028A1 DE102012209028A1 DE201210209028 DE102012209028A DE102012209028A1 DE 102012209028 A1 DE102012209028 A1 DE 102012209028A1 DE 201210209028 DE201210209028 DE 201210209028 DE 102012209028 A DE102012209028 A DE 102012209028A DE 102012209028 A1 DE102012209028 A1 DE 102012209028A1
- Authority
- DE
- Germany
- Prior art keywords
- housing
- drive wheel
- tensioner housing
- tensioner
- belt
- 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- Withdrawn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
Images
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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
- F16H7/1209—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means
- F16H7/1218—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means of the dry friction type
-
- 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
- F16H2007/0802—Actuators for final output members
- F16H2007/0806—Compression coil springs
-
- 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
- F16H2007/0874—Two or more finally actuated members
-
- 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
- F16H2007/0889—Path of movement of the finally actuated member
- F16H2007/0893—Circular path
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
Description
Die Erfindung betrifft eine Spannvorrichtung für einen Riementrieb, der einen endlos umlaufenden Riemen, eine Elektromaschine mit einem Maschinengehäuse und einem Antriebsrad und zumindest ein weiteres Triebrad aufweist, das über den Riemen mit dem Antriebsrad in Antriebsverbindung steht, wobei die Spannvorrichtung folgendes umfasst:
- – ein Spannergehäuse, das mittels einer Gleitlagerung um die Achse des Antriebsrads verschwenkbar auf dem Maschinengehäuse gelagert ist,
- – zwei Spannrollen, die den Riemen in dessen Umlaufrichtung vor und hinter dem Antriebsrad mit Vorspannkraft beaufschlagen,
- – ein die Vorspannkraft erzeugendes Federmittel
- – und einen gegen die Kraft des Federmittels beweglich im Spannergehäuse gelagerten Spannarm,
- A tensioner housing which is mounted on the machine housing so as to be pivotable about the axis of the drive wheel by means of a sliding bearing,
- Two tension rollers, which bias the belt in the direction of rotation in front of and behind the drive wheel,
- - A spring force generating spring means
- And a clamping arm movably mounted in the tensioner housing against the force of the spring means,
Die Erfindung betrifft außerdem eine Elektromaschine mit einer derartigen Spannvorrichtung.The invention also relates to an electric machine with such a clamping device.
Hintergrund der ErfindungBackground of the invention
Bei Riementrieben mit wechselweise Drehmoment aufnehmenden und abgebenden Triebrädern und einem dementsprechenden Wechsel von Zugtrum und Leertrum erfordert das Spannen des Leertrums eine Spannvorrichtung mit zwei Spannrollen, die das Zugmittel vor und hinter dem wechselweise antreibenden und angetriebenen Antriebsrad vorspannen. Es handelt sich typischer- aber nicht notwendigerweise um den Riementrieb einer Brennkraftmaschine mit einer Elektromaschine in Form eines Startergenerators (RSG), der nicht nur zwecks Stromerzeugung von der Brennkraftmaschine angetrieben wird, sondern auch die Brennkraftmaschine antreibt, um diese zu starten.In belt drives with alternating torque receiving and donating drive wheels and a corresponding change of tension and return strand requires the clamping of the return strand a tensioning device with two tension rollers that bias the traction means in front of and behind the alternately driving and driven drive wheel. It is typically but not necessarily the belt drive of an internal combustion engine with an electric machine in the form of a starter generator (RSG), which is not only driven by the internal combustion engine for power generation, but also drives the internal combustion engine to start it.
Bekannte Spannvorrichtungen, wie sie beispielsweise in der
Eine Spannvorrichtung der eingangs genannten Art, d.h. mit lediglich einem beweglich im Spannergehäuse gelagerten Spannarm einerseits und einer gehäusefesten Spannrolle andererseits, und eine Elektromaschine mit einer derartigen Spannvorrichtung sind aus der
Aufgabe der ErfindungObject of the invention
Ausgehend hiervon liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine Spannvorrichtung der eingangs genannten Art und eine Elektromaschine mit einer derartigen Spannvorrichtung konstruktiv zu verbessern.Proceeding from this, the present invention seeks to constructively improve a clamping device of the type mentioned and an electric machine with such a clamping device.
Zusammenfassung der ErfindungSummary of the invention
Erfindungsgemäße Verbesserungen ergeben sich aus den Figuren und den zugehörigen Erläuterungen. Es zeigen:Improvements according to the invention will become apparent from the figures and the accompanying explanations. Show it:
Sofern nicht anders erwähnt, sind dabei gleiche oder funktionsgleiche Merkmale oder Bauteile mit gleichen Bezugszahlen versehen Unless otherwise stated, the same or functionally identical features or components are provided with the same reference numbers
Bei der in
Das Kurbelwellen-Triebrad wird auf an sich bekannte Weise zum Starten der Brennkraftmaschine vom Antriebsrad
Die Spannvorrichtung
Die Spannvorrichtung
Die schwenkbare Lagerung der gesamten Spannvorrichtung
Das Spannergehäuse
Die schwenkbare Lagerung des Spannergehäuses
Durch den Axialversatz der Gleitlagerung zur Riemenebene – diese verläuft etwa mittig durch die Spannrolle
Aus einer Zusammenschau der
Wie es aus den
Das in
Das in
Das in
Ein durch das oben erwähnte Kippmoment erzwungene Verkippen der Gleitlagerung im Rahmen des durch Bauteiltoleranzen bedingten Axiallagerspiels wird dadurch minimiert, dass sowohl die Belagsegmente
Konstruktive Änderungen für eine verbesserte Dämpfung der Schwenkbewegung des Spannergehäuses
Um die geforderte Dämpfung zu erreichen, kann auch zwischen dem Spannergehäuse
Die gegenseitige Anordnung der Reibbeläge
Die Anbindung der Spannvorrichtung
Aufgrund der Krafteinleitung an den Spannrollen
Alternativ zur radialen Montagesicherung gemäß
Progressive Federkennlinie: das auf Block laufen der Feder
Um auch Triebe besonders rauh laufender Motoren beherrschen zu können, kann die Entkopplungswirkung der Spannvorrichtung dadurch verbessert werden, dass sie mit anderen Entkopplungs- Dämpfer- und Tilgermaßnahmen kombiniert werden kann. Möglich sind z.B. Kurbelwellenentkoppler bzw. Start-Stop-fähige Generatorentkoppler.In order to be able to master even drives of particularly rough-running engines, the decoupling effect of the tensioning device can be improved by being able to be combined with other decoupling, damper and absorber measures. Possible are e.g. Kurbelwellenentkoppler or start-stop capable generator decoupler.
Aufgrund der vorhandenen Entkopplungsfunktion kann die Spannvorrichtung auch in konventionellen, nicht für Start-/Stop-Betrieb vorgesehenen Riementrieben eingesetzt werden. Ist die Entkopplungsfunktion nicht ausreichend, so können zusätzlich verschiedene andere Entkopplungskomponenten mit der Spannvorrichtung beliebig kombiniert werden.Due to the existing decoupling function, the clamping device can also be used in conventional, not intended for start / stop operation belt drives. If the decoupling function is not sufficient, various other decoupling components can additionally be combined with the clamping device as desired.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Elektromaschine / Startergenerator Electric machine / starter generator
- 22
- Spannvorrichtung jig
- 33
- Maschinengehäuse machine housing
- 44
- Achse des Antriebsrads Axle of the drive wheel
- 55
- Antriebsrad drive wheel
- 66
- bewegliche Spannrolle movable tensioner
- 77
- ortsfeste Spannrolle stationary tension pulley
- 88th
- Spannergehäuse tensioner housing
- 99
- Achsschraube der beweglichen Spannrolle Axle screw of the movable tensioner pulley
- 1010
- Spannarm clamping arm
- 1111
- Federmittel / Bodenfeder Spring means / bottom spring
- 1212
- Zapfen spigot
- 1313
- Achsschraube der ortsfesten Spannrolle Axle screw of the stationary tensioner
- 1414
- Verschraubung des Spannergehäuses Screw connection of the tensioner housing
- 1515
- Aufnahmeraum accommodation space
- 1616
- Gleitlagerschale des Spannarms Slide bearing shell of the clamping arm
- 1717
- Gleitlagerschale der Bogenfeder Slide bearing shell of the bow spring
- 1818
- Dichtleiste sealing strip
- 1919
- Gehäusebohrung für Sicherungsstift Housing bore for locking pin
- 2020
- Spannarmbohrung für Sicherungsstift Clamping arm hole for locking pin
- 2121
- Sicherungsstift safety pin
- 2222
- Lagerring bearing ring
- 2323
- Kanal channel
- 2424
- radiale Gleitlagerfläche des Maschinengehäuses Radial sliding bearing surface of the machine housing
- 2525
- axiale Gleitlagerfläche des Maschinengehäuses axial sliding bearing surface of the machine housing
- 2626
- axiale Gleitlagerfläche des Maschinengehäuses axial sliding bearing surface of the machine housing
- 2727
- Lagerscheibe bearing disk
- 2828
- Schraubverbindung der Lagerscheibe Screw connection of the bearing disc
- 2929
- radiale Gleitlagerfläche des Spannergehäuses Radial plain bearing surface of the tensioner housing
- 3030
- axiale Gleitlagerfläche des Spannergehäuses axial sliding bearing surface of the tensioner housing
- 3131
- axiale Gleitlagerfläche des Spannergehäuses axial sliding bearing surface of the tensioner housing
- 3232
- radialer Gleitbelag / Belagsegment radial sliding coating / lining segment
- 3333
- axialer Gleitbelag / Belagsegment axial sliding coating / lining segment
- 3434
- axialer Gleitbelag / Belagsegment axial sliding coating / lining segment
- 3535
- Innenmantel des Lagerrings Inner shell of the bearing ring
- 3636
- Stirnseite des Lagerrings / Ringfläche / Teilsegment Front side of the bearing ring / ring surface / partial segment
- 3737
- Stirnseite des Lagerrings Front side of the bearing ring
- 3838
- Nase des radialen Gleitbelags Nose of the radial sliding surface
- 3939
- Nase des axialen Gleitbelags Nose of the axial sliding coating
- 4040
- Nase des axialen Gleitbelags Nose of the axial sliding coating
- 4141
- Ausnehmung für radialen Gleitbelag Recess for radial sliding coating
- 4242
- Ausnehmung für axialen Gleitbelag Recess for axial sliding coating
- 4343
- Ausnehmung für axialen Gleitbelag Recess for axial sliding coating
- 4444
- Reibbelag friction lining
- 4545
- Adapter adapter
- 4646
- Feder feather
- 4747
- Verschraubung screw
- 4848
- Mittellinie für axialen Sicherungsstift Center line for axial locking pin
- 4949
- Zugtrum drive span
- 5050
- Anschlag attack
- 5151
- Abdichtung seal
- 5252
- erstes Lager für Antriebsrad first bearing for drive wheel
- 5353
- Riemenmitte belt center
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES 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 of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 19926615 A1 [0004] DE 19926615 A1 [0004]
- DE 102008025552 A1 [0004] DE 102008025552 A1 [0004]
- DE 102006019877 A1 [0004] DE 102006019877 A1 [0004]
- DE 102011082764 A1 [0005] DE 102011082764 A1 [0005]
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210209028 DE102012209028A1 (en) | 2012-05-30 | 2012-05-30 | Tensioning device for belt drive, has tension rollers in which one roller is mounted on tensioning arm and other roller is stationarily supported on tensioner housing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210209028 DE102012209028A1 (en) | 2012-05-30 | 2012-05-30 | Tensioning device for belt drive, has tension rollers in which one roller is mounted on tensioning arm and other roller is stationarily supported on tensioner housing |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102012209028A1 true DE102012209028A1 (en) | 2013-12-05 |
Family
ID=49579362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE201210209028 Withdrawn DE102012209028A1 (en) | 2012-05-30 | 2012-05-30 | Tensioning device for belt drive, has tension rollers in which one roller is mounted on tensioning arm and other roller is stationarily supported on tensioner housing |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102012209028A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015131888A1 (en) * | 2014-03-05 | 2015-09-11 | Schaeffler Technologies AG & Co. KG | Belt tensioner |
WO2017008798A1 (en) * | 2015-07-10 | 2017-01-19 | Schaeffler Technologies AG & Co. KG | Pendulum tensioner having adjustable axial play and belt drive |
DE102015222238A1 (en) | 2015-11-11 | 2017-05-11 | Schaeffler Technologies AG & Co. KG | Noise-damped self-aligning bearing on decoupling belt tensioning units |
DE102015222203A1 (en) | 2015-11-11 | 2017-05-11 | Schaeffler Technologies AG & Co. KG | Play-free self-aligning bearing on the decoupling tensioner |
GB2545213A (en) * | 2015-12-09 | 2017-06-14 | Jaguar Land Rover Ltd | Tensionsing a belt on a starter generator |
DE102016217370A1 (en) | 2016-09-13 | 2018-03-15 | Continental Automotive Gmbh | Method and device for operating a motor vehicle with a hybrid drive |
CN107923497A (en) * | 2015-08-13 | 2018-04-17 | 舍弗勒技术股份两合公司 | Endless tensile device with identical annular rod-shaped supporting member |
CN109690132A (en) * | 2016-09-20 | 2019-04-26 | 舍弗勒技术股份两合公司 | Belt stress |
DE102020004335A1 (en) | 2020-07-20 | 2022-01-20 | Muhr Und Bender Kg | Belt tensioning device and belt drive with such a belt tensioning device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19926615A1 (en) | 1999-06-11 | 2000-12-14 | Schaeffler Waelzlager Ohg | Tensioning device for traction devices such as belts or chains |
DE102006019877A1 (en) | 2006-04-28 | 2007-10-31 | Schaeffler Kg | Circular arc clamp for traction drive of internal combustion engine, has clamping lever including pressing unit sprung against traction unit and formed as circular arc in clamping direction, where lever is pivoted within guide rail |
DE102008025552A1 (en) | 2008-05-28 | 2009-12-03 | Muhr Und Bender Kg | Belt tensioning device for starter-generator application |
DE102011082764A1 (en) | 2010-10-13 | 2012-04-19 | Schaeffler Technologies Gmbh & Co. Kg | Clamping device for a traction mechanism drive of an internal combustion engine |
-
2012
- 2012-05-30 DE DE201210209028 patent/DE102012209028A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19926615A1 (en) | 1999-06-11 | 2000-12-14 | Schaeffler Waelzlager Ohg | Tensioning device for traction devices such as belts or chains |
DE102006019877A1 (en) | 2006-04-28 | 2007-10-31 | Schaeffler Kg | Circular arc clamp for traction drive of internal combustion engine, has clamping lever including pressing unit sprung against traction unit and formed as circular arc in clamping direction, where lever is pivoted within guide rail |
DE102008025552A1 (en) | 2008-05-28 | 2009-12-03 | Muhr Und Bender Kg | Belt tensioning device for starter-generator application |
DE102011082764A1 (en) | 2010-10-13 | 2012-04-19 | Schaeffler Technologies Gmbh & Co. Kg | Clamping device for a traction mechanism drive of an internal combustion engine |
Cited By (34)
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---|---|---|---|---|
CN106068404B (en) * | 2014-03-05 | 2019-09-10 | 舍弗勒技术股份两合公司 | Belt stress |
CN106068404A (en) * | 2014-03-05 | 2016-11-02 | 舍弗勒技术股份两合公司 | Belt stress |
KR20160128397A (en) * | 2014-03-05 | 2016-11-07 | 섀플러 테크놀로지스 아게 운트 코. 카게 | Belt tensioner |
KR102279504B1 (en) * | 2014-03-05 | 2021-07-21 | 섀플러 테크놀로지스 아게 운트 코. 카게 | Belt tensioner |
WO2015131888A1 (en) * | 2014-03-05 | 2015-09-11 | Schaeffler Technologies AG & Co. KG | Belt tensioner |
US9841087B2 (en) | 2014-03-05 | 2017-12-12 | Schaeffler Technologies AG & Co. KG | Belt tensioner |
WO2017008798A1 (en) * | 2015-07-10 | 2017-01-19 | Schaeffler Technologies AG & Co. KG | Pendulum tensioner having adjustable axial play and belt drive |
US10788105B2 (en) | 2015-07-10 | 2020-09-29 | Schaeffler Technologies AG & Co. KG | Pendulum tensioner having adjustable axial play and belt drive |
CN107735597B (en) * | 2015-07-10 | 2020-08-18 | 舍弗勒技术股份两合公司 | Oscillating tensioner and belt drive with adjustable axial gap |
CN107735597A (en) * | 2015-07-10 | 2018-02-23 | 舍弗勒技术股份两合公司 | Swing stretcher and belt driver with adjustable axial slits |
JP2018528367A (en) * | 2015-07-10 | 2018-09-27 | シェフラー テクノロジーズ アー・ゲー ウント コー. カー・ゲーSchaeffler Technologies AG & Co. KG | Pendulum tensioner and belt drive with adjustable axial play |
US10704656B2 (en) | 2015-08-13 | 2020-07-07 | Schaeffler Technologies AG & Co. KG | Annular tensioner having identical bearing parts for the annular lever |
CN107923497A (en) * | 2015-08-13 | 2018-04-17 | 舍弗勒技术股份两合公司 | Endless tensile device with identical annular rod-shaped supporting member |
US10788106B2 (en) | 2015-11-11 | 2020-09-29 | Schaeffler Technologies AG & Co. KG | Clearance-free self-aligning bearing on the decoupling tensioner |
WO2017080551A1 (en) | 2015-11-11 | 2017-05-18 | Schaeffler Technologies AG & Co. KG | Clearance-free self-aligning bearing on the decoupling tensioner |
DE102015222238A1 (en) | 2015-11-11 | 2017-05-11 | Schaeffler Technologies AG & Co. KG | Noise-damped self-aligning bearing on decoupling belt tensioning units |
US20180320765A1 (en) * | 2015-11-11 | 2018-11-08 | Schaeffler Technologies AG & Co. KG | Clearance-free self-aligning bearnig on the decoupling tensioner |
DE102015222238B4 (en) * | 2015-11-11 | 2020-11-12 | Schaeffler Technologies AG & Co. KG | Noise-dampened self-aligning bearings for decoupling belt tensioning units |
DE102015222203A1 (en) | 2015-11-11 | 2017-05-11 | Schaeffler Technologies AG & Co. KG | Play-free self-aligning bearing on the decoupling tensioner |
CN108350999A (en) * | 2015-11-11 | 2018-07-31 | 舍弗勒技术股份两合公司 | Gapless swinging mounting device on decoupled stretcher |
DE102015222203B4 (en) * | 2015-11-11 | 2020-03-12 | Schaeffler Technologies AG & Co. KG | Backlash-free pendulum bearing on the decoupling clamp |
US10641364B2 (en) | 2015-11-11 | 2020-05-05 | Schaeffler Technologies AG & Co. KG | Muffled self-aligning bearing in decoupling belt tensioning units |
WO2017080552A1 (en) | 2015-11-11 | 2017-05-18 | Schaeffler Technologies AG & Co. KG | Muffled self-aligning bearing in decoupling belt tensioning units |
WO2017097574A1 (en) * | 2015-12-09 | 2017-06-15 | Jaguar Land Rover Limited | Tensioning a belt on a starter generator |
GB2545213A (en) * | 2015-12-09 | 2017-06-14 | Jaguar Land Rover Ltd | Tensionsing a belt on a starter generator |
GB2545213B (en) * | 2015-12-09 | 2019-03-27 | Jaguar Land Rover Ltd | Tensionsing a belt on a starter generator |
DE102016217370A1 (en) | 2016-09-13 | 2018-03-15 | Continental Automotive Gmbh | Method and device for operating a motor vehicle with a hybrid drive |
DE102016217370B4 (en) | 2016-09-13 | 2023-03-23 | Vitesco Technologies GmbH | Method and device for operating a motor vehicle with a hybrid drive |
CN109690132A (en) * | 2016-09-20 | 2019-04-26 | 舍弗勒技术股份两合公司 | Belt stress |
US11131366B2 (en) | 2016-09-20 | 2021-09-28 | Schaeffler Technologies AG & Co. KG | Belt tensioner |
CN109690132B (en) * | 2016-09-20 | 2022-06-17 | 舍弗勒技术股份两合公司 | Belt tensioner |
DE102020004335A1 (en) | 2020-07-20 | 2022-01-20 | Muhr Und Bender Kg | Belt tensioning device and belt drive with such a belt tensioning device |
EP3943778A1 (en) | 2020-07-20 | 2022-01-26 | Muhr und Bender KG | Belt tensioning device and belt drive comprising such a belt tensioning device |
US11629778B2 (en) | 2020-07-20 | 2023-04-18 | Muhr Und Bender Kg | Belt tensioning device with a belt drive |
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Legal Events
Date | Code | Title | Description |
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R081 | Change of applicant/patentee |
Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES AG & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20140217 |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20141202 |