WO2014131409A1 - Drehmomentübertragungsvorrichtung zur wahlweisen drehmomentübertragung - Google Patents
Drehmomentübertragungsvorrichtung zur wahlweisen drehmomentübertragung Download PDFInfo
- Publication number
- WO2014131409A1 WO2014131409A1 PCT/DE2014/200036 DE2014200036W WO2014131409A1 WO 2014131409 A1 WO2014131409 A1 WO 2014131409A1 DE 2014200036 W DE2014200036 W DE 2014200036W WO 2014131409 A1 WO2014131409 A1 WO 2014131409A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pulley
- torque transmission
- solenoid
- switching element
- lifting magnet
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/01—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with permanent magnets
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/10—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
- F16D27/118—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with interengaging jaws or gear teeth
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/08—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with provision for altering the freewheeling action
-
- 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
- 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
- F16H2055/366—Pulleys with means providing resilience or vibration damping
Definitions
- Torque transmission device for optional torque transmission for optional torque transmission
- the invention relates to a torque transmission device for torque transmission of a relatively high torque in certain operating conditions, but in other operating conditions, the moment should not be transmitted or in another direction.
- the invention relates to the use of the torque transmitting device in drive trains, gearboxes, motors, belt and chain drives, etc.
- the invention can be used in pulleys with a playful switchable element such as jaw clutch or pawl freewheel.
- crankshaft pulleys with decoupling elements made of rubber or steel and crankshaft torsion dampers with rubber, steel or viscous spring elements There are already known crankshaft pulleys with decoupling elements made of rubber or steel and crankshaft torsion dampers with rubber, steel or viscous spring elements.
- switchable planetary gear with a variety of switching elements such as roller freewheel, pawl freewheel, dog clutch, etc. are also known in combination with crankshaft torsion dampers with rubber, steel or viscous spring elements without vibration decoupling of the switching element.
- Switchable pulleys such as magnetic clutches, hydraulic, pneumatic or lever-operated or cable-operated clutches have already been demonstrated.
- the object of the present invention is to compensate for the disadvantages mentioned.
- a torque transmission device with a low actuation force at high transmittable torque is to be created, which also has the vibration-technical advantages of a vibration decoupling.
- This decoupling reduces both the loads of the switching element and the downstream belt drive.
- a switching element such as dog clutch or freewheel is operated directly by means of a non-rotatably mounted in the torque transmission device mounted solenoid.
- crankshaft torsion damper When using the torque transmitting device in a pulley for driving auxiliary machinery in a motor vehicle, a crankshaft torsion damper may be directly vulcanized to the flange member of a bow spring decoupler.
- All bearing elements can be lubricated either oil or grease.
- Switching unit to be made for mounting to the motor vehicle.
- a pre-assembly of the crankshaft torsional damper on the crankshaft and a subsequent assembly of the preassembled decoupling and switching unit including solenoid or a pre-assembly of Kurbelwellentorsionsdämpfer-, decoupling and switching unit to the crankshaft and a subsequent assembly of the solenoid.
- a further preferred embodiment of the pulley is characterized in that a movement axis of the lifting magnet coincides with a longitudinal axis of a central screw, with which the pulley is mountable to a crankshaft.
- the solenoid is advantageously arranged radially within components of the pulley. Due to the central arrangement of the solenoid advantageous space can be saved.
- the solenoid is also advantageously arranged in the axial direction overlapping components of the pulley.
- the solenoid advantageously has a substantially circular cylindrical housing.
- an electromagnetic coil is arranged, which cooperates with an armature, which is movable along the axis of movement of the lifting magnet back and forth.
- the housing of the solenoid with the electromagnetic coil is rotatably mounted.
- the armature of the lifting magnet is movable relative to the housing with the housing-fixed electromagnetic coil along the axis of movement of the lifting magnet back and forth.
- the armature of the lifting magnet is advantageously combined with an actuating tappet which protrudes from the housing of the lifting magnet into the interior of the pulley and serves to actuate the switching element.
- a further preferred embodiment of the belt pulley is characterized in that the lifting magnet comprises a reciprocable actuating element which is movable towards the central screw, in particular into a recess of the central screw.
- the actuating element is also referred to as an actuating tappet and serves to actuate the switching element.
- the recess of the central screw is designed, for example, as a hexagon socket and serves for the assembly of the pulley for non-rotatable connection with a tool, in particular an Allen wrench.
- the recess of the central screw can advantageously serve to receive one end of the actuating element, in particular of the actuating tappet.
- the actuating element, in particular the actuating tappet protrudes with its free end only in an extended state into the recess of the central screw. In a retracted state of the actuating element, in particular of the actuating plunger, the free end normally does not protrude into the recess of the central screw.
- a further preferred exemplary embodiment of the belt pulley is characterized in that the lifting magnet represents a final assembly unit which is mounted after the assembly of the preassembled pulley, in particular after the lubricant has been introduced into the belt pulley, so that the lifting magnet closes the belt in a lubricant-tight manner.
- the preassembled pulley advantageously comprises all components of the pulley, apart from the lifting magnet including a connecting cable and optionally a torque arm for the solenoid. Due to the inventive design of the pulley and the arrangement of the solenoid, a mounting of the preassembled pulley on the crankshaft is made possible in a particularly simple manner.
- the space for the solenoid simplifies the attachment of a tool, in particular the insertion of the central screw with the tool through the preassembled pulley.
- the solenoid is used in the final assembly in a simple manner in the preassembled pulley and with the help of the torque arm, in particular a suitably stiff designed connecting cable, rotatably mounted, for example, supported on a fixed crankcase.
- the pulley is characterized in that the Kurbelwellentorsionsdämpfer a first pre-assembly and the Bogenfeder- decoupler with the solenoid represent a second pre-assembly.
- the first preassembly unit is advantageously fastened to the crankshaft with the aid of the central screw.
- the second pre-assembly unit is then advantageously provided with the aid of suitable fastening means. Tighten, such as fastening screws, to the attached to the crankshaft first preassembly unit.
- the invention also relates to a method of mounting a pulley previously described. Due to the inventive design of the pulley, in particular by the special arrangement of the solenoid, the assembly of the pulley in a large-scale industrial production is considerably simplified.
- Figure 1 shows the basic functional diagram of a torque transmission device according to the invention and an embodiment of a pulley according to the invention
- Figure 2 shows a detail of the pulley of Figure 1 with a closed and an open clutch
- Figure 3 shows another embodiment of a pulley according to the invention with a switchable freewheel
- Figure 4 comparatively two embodiments I and II, which can be mounted differently;
- Figure 5 comparatively two embodiments I and III, which are lubricated differently and
- Figure 6 comparatively two embodiments II and IV, which are switched differently.
- FIG. 1 shows in its right part of the principal functional scheme and in its left part an embodiment of the invention.
- the pulley unit is fixed by means of a central screw S to the crankshaft KW of an internal combustion engine.
- Carrying element is a damper flange 3, which makes the connection to the crankshaft KW and forms together with a flywheel 1 and a rubber spring 2, the crankshaft torsion damper A.
- the damper flange 3 is an input part of the crankshaft decoupler B, which consists of the counter disk 4, the bow springs 5 and the damper flange 6.
- the storage of the damper flange 6 via the bearing 7, which is centered on the bearing dome 3 a in the damper flange 3.
- the pulley RS is mounted by means of a bearing 12 in the counter pulley 4 and freely rotatable to this. If torque is to be transmitted to the belt drive, the dog clutch C is to be closed. This consists of the connected to the damper flange 6 toothed input part 8, a preloaded by a spring 10 toothed sliding sleeve 9 and connected to the pulley RS toothed output part 1 first
- the opening of the dog clutch is effected by the actuation of a force acting against the spring 10 armature of a solenoid D. This is by means of a torque arm 13 rotationally fixed to the crankcase. The torque arm also supplies the power supply to the solenoid. Its storage in the pulley by means of the bearing 14, the force on the sliding sleeve is transmitted via the bearing 16 and the pressure piece 17.
- Figure 2 shows a section of the embodiment of FIG. 1, wherein in the left
- the solenoid D includes a magnetic actuator 15 with a substantially cylindrical housing, which is arranged on the torque arm 13 rotationally fixed to the crankcase.
- an electromagnetic coil is arranged, which cooperates with a magnet armature which is movable along a movement axis 19 back and forth.
- the movement axis 19 coincides with a longitudinal axis of the central screw S and the axis of rotation of the crankshaft KB.
- the armature of the solenoid D is combined with a designed as an actuating plunger 20 actuator which protrudes from the housing of the solenoid D.
- the actuating plunger 20 is coupled via the bearing 16 with the pressure piece 17, with which the sliding sleeve 9 of the dog clutch C is actuated.
- the actuating tappet 20 is shown in a retracted position. In the retracted position of the actuating plunger 20, the clutch is closed.
- the actuating plunger 20 is shown in its extended position, in which a free end of the actuating plunger 20 protrudes into a recess 21 of the central screw S.
- the recess 21 is designed, for example, as a hexagon socket and serves during assembly for receiving a tool, in particular a hexagon socket wrench sels.
- the clutch is open.
- the actuating force for extending the actuating plunger 20 is effected by energizing the electromagnetic coil 15 of the magnetic actuator. If the energization of the electromagnetic coil of the magnetic actuator 15 is interrupted, then the biasing force of the spring 10 ensures that the actuating plunger 20 is moved back from its extended position shown in Figure 2 right to its retracted position shown in Figure 2 on the left.
- FIG. 3 shows a further embodiment of the invention, in which the dog clutch is represented by a switchable freewheel 30.
- a switchable pawl freewheel as shown in the functional diagram below the pulley unit shown in various shift positions may be used.
- Such a pawl freewheel can be shifted in such a way that a torque transmission in opposite relative directions of rotation is possible.
- two freewheels acting in opposite directions can be switched by a common switching device.
- the switching device is actuated by means of the lifting magnet, wherein the axial movement is converted into a rotational movement for the switching device.
- a generator operation is possible in one position and a boost operation in the other switching position.
- the freewheel 30 includes a freewheel outer ring 31 and a freewheel inner ring 32.
- the freewheel outer ring 31 is fixed via rivet fasteners with a belt track of the connected to RS.
- the freewheel inner ring 32 is fixedly connected to the damper flange 6.
- a relative rotation between the freewheel outer ring 31 and the freewheel inner ring 32 is enabled or disabled.
- pawls 33 which are actuated against the biasing force of a spring means 34 by means of a switching element 35.
- the switching element 35 of the freewheel 30 is coupled via a bearing 36 with an actuating plunger 37, which protrudes from the housing of the solenoid D.
- the actuating plunger 37 is shown in a retracted position. In the retracted position of the actuating plunger 37, a generator operation of the pulley RS is possible.
- the actuating plunger 37 is shown in an extended position. In the extended position of the actuating plunger 37, a boost state of the pulley RS is made possible.
- the pawl freewheel comprises a switching element 40, via which a first pawl 41 and a second pawl 42 can be actuated.
- the first pawl 41 is deactivated by the switching element 40.
- the second pawl 42 is activated.
- the first pawl 41 is activated by the switching element 40.
- the second pawl 42 is deactivated.
- About the activated first pawl 41 boat operation is enabled.
- FIG. 4 comparatively shows two embodiments of a belt pulley according to the invention.
- the assembly of the pulley unit via the central screw S takes place on the crankshaft, then oil is filled in and by mounting the magnetic actuator 15 designed as a lifting magnet, the system is closed oil-tight.
- FIG. 5 comparatively represents two embodiments, wherein version I corresponds to version I from FIG. 4.
- the lubrication of the decoupler, the bearings and the coupling takes place at Version I by means of oil, the oil chamber is closed after installation by means of the sealing elements.
- version III the lubrication of the decoupler and the bearings is done separately with grease, the coupling is not lubricated.
- FIG. 6 comparatively shows two embodiments.
- Version II (corresponds to version II of Fig. 4) has a dog clutch, version IV a switchable pawl freewheel.
- the invention relates to a torque transmission device for torque transmission of a relatively high torque in certain operating conditions, but in other operating conditions, the moment should not be transmitted or in another direction.
- the invention relates to a pulley with crankshaft torsion damper, belt drive decoupling and switching element with special detail solutions and embodiments.
- Switchable pulleys have considerable potential in the intelligent coupling of combustion engines and electric motors (hybrid drive).
- the illustrated invention both functional and cost advantages are expected over the prior art.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Pulleys (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112014001024.3T DE112014001024B4 (de) | 2013-02-27 | 2014-02-03 | Riemenscheibe mit einer Drehmomentübertragungsvorrichtung zur wahlweisen Drehmomentübertragung |
CN201480010284.0A CN105074252B (zh) | 2013-02-27 | 2014-02-03 | 用于选择性的转矩传递的转矩传递装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013203258.7 | 2013-02-27 | ||
DE102013203258 | 2013-02-27 | ||
DE102013208626 | 2013-05-10 | ||
DE102013208626.1 | 2013-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014131409A1 true WO2014131409A1 (de) | 2014-09-04 |
Family
ID=50289335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2014/200036 WO2014131409A1 (de) | 2013-02-27 | 2014-02-03 | Drehmomentübertragungsvorrichtung zur wahlweisen drehmomentübertragung |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN105074252B (de) |
DE (2) | DE102014201858A1 (de) |
WO (1) | WO2014131409A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014216082A1 (de) | 2013-09-18 | 2015-03-19 | Schaeffler Technologies Gmbh & Co. Kg | Fliehkraftgesteuerter Klinkenfreilauf |
WO2022111748A1 (de) * | 2020-11-30 | 2022-06-02 | Schaeffler Technologies AG & Co. KG | Triebrad |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016211145B4 (de) | 2016-06-22 | 2022-03-31 | Schaeffler Technologies AG & Co. KG | Aktorlos betätigte Riemenscheibenkupplung mit Fliehkraft- und Trägheitsstellelementen |
DE102016216274B4 (de) | 2016-08-30 | 2018-08-02 | Schaeffler Technologies AG & Co. KG | Riemenscheibenentkoppler mit Doppelnabe |
IT202000009295A1 (it) * | 2020-04-28 | 2021-10-28 | Dayco Europe Srl | Puleggia filtrante migliorata, sistema comprendente tale puleggia e relativo metodo di controllo |
IT202000009289A1 (it) * | 2020-04-28 | 2021-10-28 | Dayco Europe Srl | Puleggia filtrante migliorata |
Citations (4)
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US20050155826A1 (en) * | 2004-01-15 | 2005-07-21 | Tetsuya Kohno | Friction engaging device |
US20060154763A1 (en) * | 2004-03-24 | 2006-07-13 | Alexander Serkh | Dual ratio belt drive system |
DE102011104135A1 (de) * | 2010-06-29 | 2011-12-29 | Schaeffler Technologies Gmbh & Co. Kg | Riemenscheibendämpfer |
DE102010060594A1 (de) * | 2010-11-16 | 2012-05-16 | Technische Universität Chemnitz | Schaltbare Kupplung |
Family Cites Families (10)
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---|---|---|---|---|
DE3934963C1 (de) * | 1989-10-20 | 1991-02-28 | Jean Walterscheid Gmbh, 5204 Lohmar, De | |
JP3925262B2 (ja) * | 2002-03-22 | 2007-06-06 | 株式会社デンソー | エンジンの慣らし運転方法 |
JP2005337398A (ja) * | 2004-05-27 | 2005-12-08 | Ntn Corp | 動力伝達装置 |
CN2813991Y (zh) * | 2005-03-31 | 2006-09-06 | 江苏大学 | 一种用于电动助力转向装置的啮合套式电磁离合器 |
CN101070881A (zh) * | 2007-06-07 | 2007-11-14 | 李卫华 | 端面啮合离合器 |
WO2011127898A1 (de) * | 2010-04-14 | 2011-10-20 | Schaeffler Technologies Gmbh & Co. Kg | Riemenscheibendämpfer |
DE102011086185A1 (de) * | 2010-12-09 | 2012-06-14 | Schaeffler Technologies Gmbh & Co. Kg | Freilaufeinrichtung für einen Riemenscheibenentkoppler |
CN202274011U (zh) * | 2011-09-04 | 2012-06-13 | 孔昭荣 | 一种电动离合器 |
CN102537123B (zh) * | 2012-01-29 | 2013-07-10 | 魏伯卿 | 端面锥齿啮合磁控自动离合装置 |
CN104797840B (zh) | 2012-11-22 | 2018-09-21 | 舍弗勒技术股份两合公司 | 转矩传递装置 |
-
2014
- 2014-02-03 DE DE102014201858.7A patent/DE102014201858A1/de not_active Withdrawn
- 2014-02-03 DE DE112014001024.3T patent/DE112014001024B4/de active Active
- 2014-02-03 CN CN201480010284.0A patent/CN105074252B/zh active Active
- 2014-02-03 WO PCT/DE2014/200036 patent/WO2014131409A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050155826A1 (en) * | 2004-01-15 | 2005-07-21 | Tetsuya Kohno | Friction engaging device |
US20060154763A1 (en) * | 2004-03-24 | 2006-07-13 | Alexander Serkh | Dual ratio belt drive system |
DE102011104135A1 (de) * | 2010-06-29 | 2011-12-29 | Schaeffler Technologies Gmbh & Co. Kg | Riemenscheibendämpfer |
DE102010060594A1 (de) * | 2010-11-16 | 2012-05-16 | Technische Universität Chemnitz | Schaltbare Kupplung |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014216082A1 (de) | 2013-09-18 | 2015-03-19 | Schaeffler Technologies Gmbh & Co. Kg | Fliehkraftgesteuerter Klinkenfreilauf |
WO2022111748A1 (de) * | 2020-11-30 | 2022-06-02 | Schaeffler Technologies AG & Co. KG | Triebrad |
Also Published As
Publication number | Publication date |
---|---|
DE112014001024A5 (de) | 2015-12-10 |
DE112014001024B4 (de) | 2024-02-08 |
CN105074252B (zh) | 2017-08-15 |
CN105074252A (zh) | 2015-11-18 |
DE102014201858A1 (de) | 2014-08-28 |
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