WO2005019694A1 - Spannvorrichtung - Google Patents
Spannvorrichtung Download PDFInfo
- Publication number
- WO2005019694A1 WO2005019694A1 PCT/EP2004/007909 EP2004007909W WO2005019694A1 WO 2005019694 A1 WO2005019694 A1 WO 2005019694A1 EP 2004007909 W EP2004007909 W EP 2004007909W WO 2005019694 A1 WO2005019694 A1 WO 2005019694A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lever
- clamping device
- traction
- roller
- actuator
- Prior art date
Links
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
- F16H7/1254—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means
- F16H7/1281—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means where the axis of the pulley moves along a substantially circular path
-
- 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
- F16H7/14—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of a driving or driven pulley
-
- 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
- F16H2007/0802—Actuators for final output members
- F16H2007/0823—Electric actuators
-
- 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
- F16H2007/0876—Control or adjustment of actuators
- F16H2007/0885—Control or adjustment of actuators the tension being a function of engine running condition
-
- 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
- F16H2007/0876—Control or adjustment of actuators
- F16H2007/0887—Control or adjustment of actuators the tension being a function of load
-
- 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
- F16H7/0829—Means for varying tension of belts, ropes, or chains with vibration damping means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
Definitions
- the present invention relates to a tensioning device for a traction mechanism of a traction mechanism drive, which is used on internal combustion engines.
- the tensioning device comprises a rotatably mounted roller supported by a spring means, which rests non-positively on the traction means.
- the traction mechanism drive assigned to an internal combustion engine includes the drive and output of a starter generator.
- the present invention relates to a traction mechanism drive with a tensioning device, which includes an assembly connected to the traction mechanism drive, which is arranged pivotably about a pivot point and is supported by a spring means influencing a pretensioning force of the traction mechanism.
- Clamping devices of this type described above are provided on internal combustion engines, for example for driving a water pump, power steering pump, air conditioning compressor or other units.
- Today's internal combustion engines also include a traction mechanism drive, to be referred to as a control drive, for driving the camshaft or a plurality of camshafts.
- An endless belt is preferably provided as the traction means for these traction mechanism drives.
- a slip-free drive is required for the function of the units to be driven and to achieve a long service life for the traction device.
- clamping devices are used, in which a roller designed as a pulley preferably bears against the traction means when subjected to force.
- a generator of the internal combustion engine is pivotably arranged and supported on a threaded rod.
- a prestressing force of the traction means can be influenced by means of a spiral spring which is assigned to a threaded sleeve, the threaded rod having a left-hand and a right-hand thread.
- the sleeve is first rotated until there is sufficient prestressing of the traction device before the prestressed spiral spring is connected to the threaded sleeve.
- the pre-tensioned spiral spring causes the sleeve to rotate automatically when the traction means is elongated, in conjunction with pivoting of the generator, as a result of which the traction means is re-tensioned.
- the traction means connects a first pulley connected to the crankshaft of the internal combustion engine and a second pulley assigned to the generator.
- the swiveling generator simultaneously takes over the function of the tensioning device for the traction mechanism drive, the known device being limited solely to compensating for an elongated traction mechanism.
- the object of the present invention is to implement a traction mechanism drive in which the pretensioning of the traction mechanism can be influenced as a function of operating states or operating parameters of the internal combustion engine or of an assembly to be driven.
- the roller lever is also connected to a spring means which establishes a connection between the roller lever and a pivotable actuating lever.
- an actuator or an actuator is articulated on the actuating lever.
- the actuator is connected to a controller.
- This measure is particularly suitable for a traction mechanism drive that includes the drive and output of a starter generator, in which a sufficient pretensioning of the traction device can be achieved with a tensioning device for both operating states of the starter generator.
- a torque reversal in the traction mechanism drive combined with a change between the empty run and the pull run, with the direction of rotation of the traction device unchanged.
- the tensioning device In conventional traction mechanism drives, the tensioning device is assigned to the empty run, which occurs in generator operation of the starter generator in the traction mechanism section between the pulley of the crankshaft and the last unit to be driven, viewed from the crankshaft.
- the tensioning device In the starting mode of the starter generator, the tensioning device is assigned to the traction strand, an increased pretensioning of the traction means being necessary in order to achieve a slip-free drive for starting the internal combustion engine by means of the starter generator.
- this increased preload force of the traction device would mean that the bearings of the units to be driven and the traction device would have to be larger or stronger in order to avoid premature failure.
- the construction according to the invention ensures a pre-tension of the traction means adapted to each operating mode, in which an actuator or an actuator adjusts the tensioning device in connection with a control.
- the invention can preferably be used for traction mechanism drives with a starter generator and a conventional tensioning system, in order for a short-term start To be able to implement an increased pretensioning of the traction means required for the function of the starter generator.
- the invention according to claim 2 relates to a tensioning device in which a pivotally arranged unit, preferably a starter generator, simultaneously takes over the function of the tensioning device.
- a pivotally arranged unit preferably a starter generator
- This component-optimized concept can also be combined with the actuating lever according to the invention, which can be automatically adjusted between at least two positions via an actuator in conjunction with a control.
- the traction mechanism drive which includes the drive and the output of a starter generator, it makes sense according to the invention to pivot the adjusting lever between two end positions.
- the first end position is assigned to the starting mode in which the starter generator drives the internal combustion engine in the starting phase.
- the actuator is automatically actuated, which is actuated by a control, and which pivots the actuating lever into an end position corresponding to generator operation, at the same time reducing the pretensioning of the traction means.
- the invention further includes measures that enable a multi-stage adjustment of the actuating lever in connection with the actuator.
- a multiple adjustment is suitable, for example, for a traction mechanism drive that includes units that are not driven continuously, but rather for a limited time or periodically, such as an air conditioning compressor or a coolant pump that can be activated as required.
- the actuator can be controlled via the electronic control as soon as the air conditioning compressor or the coolant pump starts up, in order to increase the pre-tension of the traction means via the adjusting lever and the roller connected indirectly therewith or the starter generator.
- the design of the actuating lever provides that it has at least two angled support surfaces which interact with reference surfaces or contact surfaces on a stationary housing, for example the crankcase of the internal combustion engine. The arrangement of the support surfaces in coordination with the reference surfaces enables defined end positions of the control lever in two positions.
- An electrically operated actuator which includes, for example, a screw drive, is preferably suitable as the actuator or actuator with which the adjusting lever can be pivoted.
- the tensioning device according to the invention can also be combined with a pneumatically or an electro-hydraulically operated actuator.
- the actuator can preferably be acted upon by the oil pressure of the lubricating oil circuit of the internal combustion engine, the actuation of the actuator being carried out by means of an electrically controlled multi-way valve.
- the control according to the invention which is connected to the actuator, also advantageously includes signal processing.
- sensors are arranged on the individual units, for example, which transmit the operating state as a signal to the signal processing, the electronic control.
- the actuator is actuated as a function of the operating state or defined operating parameters of the internal combustion engine.
- Suitable spring means are, for example, a helical spring designed as a compression spring or a spring-damper element or a hydraulic spring means which contains a preloaded piston, the displacement of which requires hydraulic fluid compensation between a pressure chamber and a reservoir.
- a preferred embodiment of the invention according to claim 1 provides that the roller lever of the tensioning device, which is arranged pivotably about an axis of rotation, tion as a triangular body.
- Each corner point of the base body is assigned one of the components such as roller, spring means and axis of rotation.
- control lever relates to a coordinated arrangement of the angled support surfaces with respect to the reference surfaces on a stationary housing.
- these surfaces are arranged relative to one another in such a way that an axial offset occurs between a pivot point for the spring means and the pivot point of the adjusting lever, regardless of the end position or position of the adjusting lever.
- the adjusting lever further defines the angle of inclination, the first leg of which forms a longitudinal axis connecting the articulation point to the pivot point and the support surfaces of the adjusting lever form the second leg.
- roller lever according to the invention in an installed position, regardless of the position of the roller lever, there is an axial offset between the pivot point of the roller lever and an articulation point of the spring means.
- Figure 1 shows a clamping device according to the invention in a first end position
- FIG. 2 shows the tensioning device according to Figure 1 in a different end position to Figure 1;
- FIG. 3 shows a traction mechanism drive, in which a pivotally arranged unit, which is supported by a spring means, is shown in an assembly position;
- Figure 4 shows the tensioning device according to Figure 3 in the operating position.
- FIG. 1 shows a tensioning device 1a which is assigned to a traction mechanism drive 2a.
- the traction mechanism drive 2a is provided for driving individual units, the drive member 3 shown in FIG. 1 being representative of different units such as, for example, power steering pump, air conditioning compressor or generator.
- a traction device 4 at least partially encloses the running disk or the pulley of the driven member 5, the driving member 3 and the running roller 6a connected to the tensioning device 1a.
- the tensioning device 1a comprises a triangular roller lever 7, which is pivotable about an axis of rotation 8. At the two other corner points of the roller lever 7, a pivot point 9 for a spring means 11a is also provided as a spring damping element and the roller 6a.
- the roller 6a is connected via the traction means 4 to the traction mechanism drive 2a.
- the spring means 11 a is connected on the one hand to the roller lever 7 and on the other hand articulatedly via a pivot point 12 to the adjusting lever 10 a.
- the adjusting lever 10a which can be pivoted between two end positions about the pivot point 13, has two support surfaces 14a, 15a, which interact with reference surfaces 16a, 17a which are assigned to a stationary housing and which can also be referred to as contact surfaces.
- the actuating lever 10a is supported on the reference surface 17a via the support surface 15a and thus defines a first end position, which corresponds to the tensioning device 1a.
- a relaxed position of the traction device 4 is established, or the traction device is in this position 4 easy to assemble.
- an axial offset “SV is formed between the pivot point 13 and the articulation point 12 of the actuating lever 10a.
- the swiveling range of the roller 6a when the adjusting lever 10a is adjusted is influenced by the arrangement of the axis of rotation 8 relative to the articulation point 9 of the roller lever 7, characterized by the axial offset “Li”.
- the actuating lever 10a is pivoted by means of an actuator 18.
- This component which can also be referred to as an actuator, is supported at one end on a stationary component and is fastened to the actuating lever 10a in a mutually articulated manner.
- a control 20 is assigned to the actuator 18, by means of which, for example, a pretension of the traction means 4 in the traction mechanism drive 2a can be influenced.
- the control comprises 20 sensors 21 a, 21 b, via which the adjustment lever 10a is adjusted, for example, depending on an operating state of a drive element 3 or an operating parameter of the internal combustion engine.
- FIG. 2 shows the control lever 10a of the tensioning device 1a in the second end position.
- the actuating lever 10a there are reduced axial distances “S 2 ; L 2 "compared to the corresponding axial distances in the first end position, shown in FIG. 1.
- the length" F t , F 2 "of the spring means 11a changes between the two end positions of the tensioning device 1a, which results in a different tensioning force.
- the second end position is achieved by activating the actuator 18, which pivots the setting lever 10a clockwise into the second end position.
- FIG. 2 shows the maximum pretensioned traction means 4 by the tensioning device 1a.
- This can correspond, for example, to the starting operation of a drive element 3 designed as a starter generator, in order to ensure a slip-free drive and thus start of the internal combustion engine by the starter generator.
- the roller 6a is arranged in the traction strand with a traction mechanism drive 2a rotating clockwise.
- the installation of the roller 6a in the traction of the traction means 4 requires a higher pretension of the traction means 4 in order to achieve a slip-free drive from the drive element 3 designed as a starter generator to the other units or the crankshaft, output element 5.
- the actuator 18 is actuated via the control 20, which swivels the setting lever 10a into the end position shown in FIG. 1, the roller 6a simultaneously shifting clockwise, combined with a reduced pretensioning of the traction means 4.
- FIG. 3 shows the traction mechanism drive 2b in connection with the tensioning device 1b, which includes a pivotably arranged unit, a starter generator 26.
- the belt-driven starter generator 26 has a roller 6b which is in operative connection with the drive element 3 and the output element 5 via the traction means 4 of the traction mechanism drive 2b.
- the pretensioning of the traction means 4 is achieved by pivoting the tensioning device 1b, i.e. of the starter generator 26 can be influenced about the axis of rotation 25.
- a spring means 11b is arranged on the starter generator 26 in the articulation point 22, which spring spring is further connected to the actuating lever 10b via the articulation point 27.
- an actuator 18 is provided in connection with a controller 20.
- Two operating states are provided for the starter generator 26.
- the starter generator 26 functions as a starter in which the starter generator 26 drives the internal combustion engine until it starts.
- the generator mode of the starter generator 26 is then set, this being driven by the internal combustion engine.
- FIG. 3 shows the traction mechanism drive 2b in generator operation of the starter generator.
- the actuating lever 10b is supported on the reference surface 16b of the housing 24 via the support surface 14b, an axial offset “SV being established between the articulation point 22 and the pivot point 23 of the actuating lever 10b.
- FIG. 4 shows a maximally prestressed traction means 4.
- the actuating lever 10b is pivoted counterclockwise via the actuator 18 into the second end position, in which the support surface 15b of the actuating lever 10b is supported on the reference surface 17b of the housing 24.
- the tensioning device 1b is rotated counterclockwise in synchronism with this displacement of the actuating lever 10b, as a result of which the traction means 4 is maximally prestressed.
- the tensioning device 1b comprises a spring means 11b designed as a spring-damper unit, in order to achieve a tensioning device 1b which is arranged to be as vibration-free as possible.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/567,054 US20060219040A1 (en) | 2003-08-16 | 2004-07-16 | Clamping device |
EP04763263A EP1654479A1 (de) | 2003-08-16 | 2004-07-16 | Spannvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10337586.4 | 2003-08-16 | ||
DE10337586A DE10337586A1 (de) | 2003-08-16 | 2003-08-16 | Spannvorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005019694A1 true WO2005019694A1 (de) | 2005-03-03 |
Family
ID=34177608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/007909 WO2005019694A1 (de) | 2003-08-16 | 2004-07-16 | Spannvorrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060219040A1 (de) |
EP (1) | EP1654479A1 (de) |
DE (1) | DE10337586A1 (de) |
WO (1) | WO2005019694A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2885979A1 (fr) * | 2005-05-20 | 2006-11-24 | Renault Sas | Dispositif de pilotage de la tension d'une courroie de demarreur et demarreur a courroie incorporant un tel dispositif |
DE102012019038A1 (de) * | 2012-09-27 | 2014-03-27 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Generator zur Erzeugung von elektrischem Strom in einem Kraftfahrzeug und Kraftfahrzeug |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10018254B2 (en) * | 2016-05-27 | 2018-07-10 | GM Global Technology Operations LLC | Belt drive system for an internal combustion engine |
DE102017110192B3 (de) * | 2017-05-11 | 2018-10-31 | Schaeffler Technologies AG & Co. KG | Verfahren zur Erkennung von Riemenschlupf |
DE102017121168B3 (de) | 2017-09-13 | 2019-02-14 | Schaeffler Technologies AG & Co. KG | Ringspanner für ein Zugmittel |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE6804828U (de) | 1967-11-07 | 1969-03-06 | Deere & Co | Gartenschlepper mit zwischen den achsen angeordnetem geraet |
DE3207082A1 (de) * | 1982-02-26 | 1983-09-08 | Klöckner-Humboldt-Deutz AG Zweigniederlassung Fahr, 7702 Gottmadingen | Spannrollenkupplung fuer arbeitsmaschinen, insbesondere fuer maehdrescher |
DE3642430C1 (en) * | 1986-12-12 | 1988-10-13 | Bayerische Motoren Werke Ag | Machine with a tensioning device for a wrap-round drive, particularly a belt drive for internal combustion engines |
US5120277A (en) * | 1989-07-06 | 1992-06-09 | Hutchinson | Tensioner for a transmission belt |
DE10044125A1 (de) * | 2000-09-06 | 2002-03-14 | Schaeffler Waelzlager Ohg | Mechanische Riemenspanneinheit mit hydraulischer Unterstützung |
DE10057818A1 (de) * | 2000-11-21 | 2002-05-23 | Ina Schaeffler Kg | Zugmitteltrieb für einen Startergenerator |
DE10146612A1 (de) * | 2001-09-21 | 2003-04-10 | Ina Schaeffler Kg | Spannvorrichtung |
WO2003038309A1 (en) * | 2001-11-01 | 2003-05-08 | The Gates Corporation | Damped accessory drive system including a motor/generator |
WO2004083681A1 (de) * | 2003-03-20 | 2004-09-30 | Ina-Schaeffler Kg | Zugmitteltrieb |
WO2004083682A1 (de) * | 2003-03-20 | 2004-09-30 | Ina-Schaeffler Kg | Zugmitteltrieb |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3442147A (en) * | 1967-11-03 | 1969-05-06 | Deere & Co | Belt tensioning device |
US3800612A (en) * | 1972-10-10 | 1974-04-02 | Int Harvester Co | Belt drive apparatus |
DE19849070C1 (de) * | 1998-10-24 | 1999-10-28 | Walterscheid Gmbh Gkn | Unterlenkerbaueinheit für eine Geräteanbaueinrichtung |
DE19926615A1 (de) * | 1999-06-11 | 2000-12-14 | Schaeffler Waelzlager Ohg | Spanneinrichtung für Zugmittel wie Riemen oder Ketten |
DE10000970A1 (de) * | 2000-01-12 | 2001-09-06 | Litens Automotive Gmbh | Spannvorrichtung für ein biegsames Antriebselement |
DE10044645A1 (de) * | 2000-09-08 | 2002-03-21 | Schaeffler Waelzlager Ohg | Vorrichtung zur bedarfsgerecht geregelten Einstellung der Zugmittelvorspannung |
DE10118277A1 (de) * | 2001-04-12 | 2002-10-17 | Bayerische Motoren Werke Ag | Vorrichtung zum Spannen eines Antriebsriemens an einer Brennkraftmaschine |
DE10118278B4 (de) * | 2001-04-12 | 2010-06-10 | Bayerische Motoren Werke Aktiengesellschaft | Spannvorrichtung für einen zum Antrieb von Nebenaggregaten einer Brennkraftmaschine dienenden Riementrieb |
DE10159072A1 (de) * | 2001-12-01 | 2003-06-18 | Ina Schaeffler Kg | Spannvorrichtung für einen Zugmitteltrieb |
DE10159073A1 (de) * | 2001-12-01 | 2003-06-12 | Ina Schaeffler Kg | Spannvorrichtung für einen Zugmitteltrieb |
DE10225268A1 (de) * | 2002-06-07 | 2003-12-18 | Ina Schaeffler Kg | Spannvorrichtung |
DE10253450A1 (de) * | 2002-11-16 | 2004-05-27 | Bayerische Motoren Werke Ag | Spannvorrichtung für einen Hülltrieb eines Aggregates |
-
2003
- 2003-08-16 DE DE10337586A patent/DE10337586A1/de not_active Ceased
-
2004
- 2004-07-16 WO PCT/EP2004/007909 patent/WO2005019694A1/de active Application Filing
- 2004-07-16 US US10/567,054 patent/US20060219040A1/en not_active Abandoned
- 2004-07-16 EP EP04763263A patent/EP1654479A1/de not_active Withdrawn
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE6804828U (de) | 1967-11-07 | 1969-03-06 | Deere & Co | Gartenschlepper mit zwischen den achsen angeordnetem geraet |
DE3207082A1 (de) * | 1982-02-26 | 1983-09-08 | Klöckner-Humboldt-Deutz AG Zweigniederlassung Fahr, 7702 Gottmadingen | Spannrollenkupplung fuer arbeitsmaschinen, insbesondere fuer maehdrescher |
DE3642430C1 (en) * | 1986-12-12 | 1988-10-13 | Bayerische Motoren Werke Ag | Machine with a tensioning device for a wrap-round drive, particularly a belt drive for internal combustion engines |
US5120277A (en) * | 1989-07-06 | 1992-06-09 | Hutchinson | Tensioner for a transmission belt |
DE10044125A1 (de) * | 2000-09-06 | 2002-03-14 | Schaeffler Waelzlager Ohg | Mechanische Riemenspanneinheit mit hydraulischer Unterstützung |
DE10057818A1 (de) * | 2000-11-21 | 2002-05-23 | Ina Schaeffler Kg | Zugmitteltrieb für einen Startergenerator |
DE10146612A1 (de) * | 2001-09-21 | 2003-04-10 | Ina Schaeffler Kg | Spannvorrichtung |
WO2003038309A1 (en) * | 2001-11-01 | 2003-05-08 | The Gates Corporation | Damped accessory drive system including a motor/generator |
WO2004083681A1 (de) * | 2003-03-20 | 2004-09-30 | Ina-Schaeffler Kg | Zugmitteltrieb |
WO2004083682A1 (de) * | 2003-03-20 | 2004-09-30 | Ina-Schaeffler Kg | Zugmitteltrieb |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2885979A1 (fr) * | 2005-05-20 | 2006-11-24 | Renault Sas | Dispositif de pilotage de la tension d'une courroie de demarreur et demarreur a courroie incorporant un tel dispositif |
DE102012019038A1 (de) * | 2012-09-27 | 2014-03-27 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Generator zur Erzeugung von elektrischem Strom in einem Kraftfahrzeug und Kraftfahrzeug |
Also Published As
Publication number | Publication date |
---|---|
EP1654479A1 (de) | 2006-05-10 |
DE10337586A1 (de) | 2005-03-10 |
US20060219040A1 (en) | 2006-10-05 |
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