WO2012000468A1 - Kurbelwellenriemenscheibe - Google Patents
Kurbelwellenriemenscheibe Download PDFInfo
- Publication number
- WO2012000468A1 WO2012000468A1 PCT/DE2011/001212 DE2011001212W WO2012000468A1 WO 2012000468 A1 WO2012000468 A1 WO 2012000468A1 DE 2011001212 W DE2011001212 W DE 2011001212W WO 2012000468 A1 WO2012000468 A1 WO 2012000468A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- crankshaft pulley
- electromagnet
- crankshaft
- absorber mass
- pulley according
- 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.)
- Ceased
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
- F16D27/02—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings
- F16D27/04—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces
- F16D27/06—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces with friction surfaces arranged within the flux
-
- 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
- F16D27/12—Clutch systems with a plurality of electro-magnetically-actuated clutches
-
- 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
- F16D27/14—Details
-
- 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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/14—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions combined with a friction coupling for damping vibration or absorbing shock
-
- 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
- F16D41/04—Freewheels or freewheel clutches combined with a clutch for locking the driving and driven 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
- F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
- F16F15/1414—Masses driven by elastic elements
- F16F15/1435—Elastomeric springs, i.e. made of plastic or rubber
- F16F15/1442—Elastomeric springs, i.e. made of plastic or rubber with a single mass
-
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless 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
- 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
- F16D2041/0601—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with a sliding bearing or spacer
Definitions
- the invention relates to a crankshaft pulley for transmitting a torque between a crankshaft and a belt drive, with at least one freewheel and a clutch device.
- European Patent EP 0 782 674 B1 discloses a crankshaft decoupler with a directionally switched clutch.
- European Patent EP 0 980 479 B1 discloses a belt drive system with a generator clutch freewheel clutch.
- the object of the invention is to further optimize a crankshaft pulley according to the preamble of claim 1, in particular with regard to different operating functions and / or the required installation space.
- the object is achieved in a crankshaft pulley for transmitting torque between a crankshaft and a belt drive, with at least one freewheel and a clutch device, characterized in that the coupling device has two opposing friction surfaces in the axial direction.
- the term axial refers to an axis of rotation of the crankshaft pulley. Axial means in the direction or parallel to the axis of rotation. Radial means transverse to the axis of rotation.
- the friction surfaces preferably extend transversely to the axis of rotation of the crankshaft pulley. In the axial direction, the two friction surfaces are arranged opposite, that is, facing away from each other.
- the coupling device is preferably designed as a dry friction clutch for bridging the freewheel. With twice the friction surface, larger starting torques can be transmitted than with conventional crankshaft pulleys. As a result, a comfort start is made possible in a simple manner.
- crankshaft pulley ate characterized in that the friction surfaces are provided on a damping mass, which is designed as a rotatable E- lektromagnet with a coil.
- the coupling device is electromagnetically actuated via the coil.
- the execution of the absorber mass as an electromagnet provides the advantage that no additional space is required for the electromagnet.
- a further preferred embodiment of the crankshaft pulley is characterized in that the absorber mass designed as an electromagnet is attached to a Tilgermassenexcellent using a rubber track. For example, a torque required to start an internal combustion engine is also transmitted via the rubber track.
- crankshaft pulley is characterized in that the absorber mass designed as an electromagnet is rotatable only by a limited angle of rotation relative to the absorber mass carrier. Due to the limited angle of rotation, the rubber track is protected from overloading.
- crankshaft pulley is characterized in that on the absorber mass designed as an electromagnet and on the absorber mass carrier teeth are formed, which engage with a torsional backlash.
- the size of the torsional backlash sets the angle of rotation.
- a further preferred exemplary embodiment of the crankshaft pulley is characterized in that the toothing extends in the radial direction on the absorber mass carrier, with the toothing extending in an axial direction on the absorber mass designed as an electromagnet.
- crankshaft pulley is characterized in that the absorber mass designed as an electromagnet is supplied with power via an inductive transmission device.
- the absorber mass designed as an electromagnet can, for example, be supplied with current via slip rings or roller bearings.
- a further preferred embodiment of the flexible shaft pulley is characterized in that the inductive transmission device comprises a fixed transmission body and a rotatable transmission body. Due to the division of the inductive transmission device further space can be saved.
- crankshaft pulley is characterized in that the rotatable transmission body is attached to the absorber mass, and / or that the fixed transmission body is attached to a crankcase.
- the absorber mass can be increased in a simple manner.
- the current required to energize the electromagnet can be supplied in a simple manner.
- crankshaft pulley comprises two anchor body, the rotationally fixed, but are connected in the axial direction limited displaceable with a belt track.
- the two anchor bodies are preferably mounted directly or indirectly on the belt track with the aid of leaf springs.
- the designed as a rotatable electromagnet absorber mass with the two friction surfaces can be clamped in the axial direction between the two anchor bodies.
- the invention further relates to a drive train of a motor vehicle, as disclosed, for example, in German Offenlegungsschrift DE 10 2007 021 233 A1.
- the power transmission unit described therein is replaced by the crankshaft pulley according to the invention.
- Figure 1 shows a crankshaft hub according to the invention in longitudinal section
- Figure 2 is a perspective sectional view of the crankshaft pulley of FIG.
- FIG 3 is a perspective view of a Tilgermassendids the crankshaft pulley of Figures 1 and 2;
- Figure 4 is a perspective view of a designed as an electromagnet absorber mass of the crankshaft pulley and
- FIG. 5 shows the absorber mass carrier from FIG. 3 together with the absorber mass from FIG.
- crankshaft pulley 1 in a perspective view.
- the crankshaft pulley 1 includes a pulley track 2, which is also referred to as a pulley or belt track for a short time and serves, for example, to couple a belt of a belt drive with a belt starter generator and / or at least one accessory, such as a CN compressor.
- the crankshaft pulley 1 is mounted on a crankshaft 4 in the drive train of a motor vehicle, as disclosed, for example, in German Offenlegungsschrift DE 10 2007 021 233 A1.
- crankshaft pulley 1 In the rotatable about a rotation axis 5 crankshaft pulley 1 a pulley freewheel 6 is integrated.
- the Riemen.usionnkelauf 6 is effective between the belt track 2 and the crankshaft 4. The function of the pulley freewheel 6 will be explained below.
- a Tiigermassenvic 7 is integrated into the crankshaft pulley 1.
- a damping mass 19 is attached radially on the outside of the tire carrier 7.
- the absorber mass 19 represents a Kurbeiwellentilger, which serves to dampen unwanted torque oscillations, rotational irregularities and / or torque shocks during operation of the crankshaft pulley 1.
- the Tiigermassenvic 7 is fixed with the interposition of a washer 9 by means of a mounting screw 10 at a free end of the crankshaft 4.
- a screw head of the ontageschraube 10 illustrates an inner ring 11 of the pulley freewheel 6.
- the pulley freewheel 6 further comprises an outer ring 12 which is connected to the belt track 2.
- a clutch device 20 is further integrated, which is designed as an electromagnetically actuated, dry friction clutch.
- the coupling device 20 comprises two anchor bodies 21, 22, which are of annular design and radially inward. are arranged within the belt track 2.
- the anchor body 21, 22 are spaced apart in the axial direction.
- the mutually facing surfaces of the anchor body 21, 22 represent friction surfaces.
- the anchor body 21 is rotatably by means of Nietitatis instituten 23 with the interposition of leaf springs 24, but mounted in the axial direction limited displaceable on a radial flange of the belt track 2.
- the radial flange 3 extends radially inwardly from the belt track 2.
- the radial flange 3 of the belt track 2 is fastened to the outer ring 12 of the pulley freewheel 6 with the aid of further rivet connection elements 28.
- the anchor body 22 is rotatably with the aid of further Nietthetics instituten 25 with the interposition of leaf spring elements 26, but mounted in the axial direction limited displaceable on a support plate 27, which in turn is attached to the belt track 2.
- the retaining plate 27 extends from the belt track 2 radially inwards.
- the absorber mass 19 is arranged with its two friction surfaces.
- the absorber mass 19 is designed as an electromagnet 30 with a coil 32.
- the coil 32 of the electromagnet 30 can be energized by means of an inductive transmission device 40 to clamp the designed as an electromagnet 30 absorber mass 19 between the two anchor bodies 21, 22, which are energized upon energization of the coil 32 of the electromagnet 30.
- the belt track 2 can be connected to the crankshaft 4 with frictional engagement as required.
- the energization of the coil 32 of the electromagnet 30 is interrupted, then move the anchor body 21, 22 due to the biasing force of the leaf springs 24, 26 away from the designed as an electromagnet 30 absorber mass 19, so that this between the two anchor bodies 21, 22 again can rotate freely.
- the inductive transmission device 40 comprises a fixed transmission body 41 and a rotatable transmission body 42.
- the fixed transmission body 41 is fastened, for example by means of a welded connection, to a fastening flange 44 which, for example by means of screws, is fixedly attached to a (not shown) Crankcase is attached.
- About the fixed transmission body 41 can be supplied to energize the electromagnet 30 in a simple manner.
- the rotatable transmission body 42 of the inductive transmission device 40 is fixed, for example by means of a welded connection, to the absorber mass 19 designed as an electromagnet 30. When the coil 32 is energized via the two transfer bodies 41, 42, this generates a magnetic flux which is indicated by arrows 49 in FIG.
- the absorber mass carrier 7 comprises a pot-like basic body 50 with a bottom which has a central through-hole 51. At an angled peripheral edge 52 of the cup-shaped base body 50, a radial toothing 53 is formed. The radial toothing 53 serves to limit an angle of rotation between the absorber mass 19 designed as an electromagnet 30 and the absorber mass carrier 7.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Pulleys (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112011102222T DE112011102222A5 (de) | 2010-06-29 | 2011-06-14 | Kurbelwellenriemenscheibe |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010025463.0 | 2010-06-29 | ||
| DE102010025463 | 2010-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012000468A1 true WO2012000468A1 (de) | 2012-01-05 |
Family
ID=44650740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2011/001212 Ceased WO2012000468A1 (de) | 2010-06-29 | 2011-06-14 | Kurbelwellenriemenscheibe |
Country Status (2)
| Country | Link |
|---|---|
| DE (2) | DE102011104130A1 (de) |
| WO (1) | WO2012000468A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021075443A1 (ja) * | 2019-10-17 | 2021-04-22 | 株式会社ヴァレオジャパン | 電磁クラッチ |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0702167A1 (de) * | 1994-09-14 | 1996-03-20 | Nippondenso Co., Ltd. | Einrichtung zur Drehkraftübersetzung |
| EP0782674B1 (de) | 1994-10-14 | 1999-04-28 | Tesma International Inc | Kurbelwelleentkuppler |
| JP2003090361A (ja) * | 2001-09-18 | 2003-03-28 | Toyota Motor Corp | 補機駆動装置 |
| EP0980479B1 (de) | 1997-05-07 | 2003-08-27 | Litens Automotive Partnership | Riemenantriebssystem mit generatorverbindungsfreilaufkupplung |
| DE102007021233A1 (de) | 2006-05-17 | 2007-11-22 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Antriebsstrang, insbesondere für ein Kraftfahrzeug |
-
2011
- 2011-06-14 WO PCT/DE2011/001212 patent/WO2012000468A1/de not_active Ceased
- 2011-06-14 DE DE201110104130 patent/DE102011104130A1/de not_active Withdrawn
- 2011-06-14 DE DE112011102222T patent/DE112011102222A5/de not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0702167A1 (de) * | 1994-09-14 | 1996-03-20 | Nippondenso Co., Ltd. | Einrichtung zur Drehkraftübersetzung |
| EP0782674B1 (de) | 1994-10-14 | 1999-04-28 | Tesma International Inc | Kurbelwelleentkuppler |
| EP0980479B1 (de) | 1997-05-07 | 2003-08-27 | Litens Automotive Partnership | Riemenantriebssystem mit generatorverbindungsfreilaufkupplung |
| JP2003090361A (ja) * | 2001-09-18 | 2003-03-28 | Toyota Motor Corp | 補機駆動装置 |
| DE102007021233A1 (de) | 2006-05-17 | 2007-11-22 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Antriebsstrang, insbesondere für ein Kraftfahrzeug |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112011102222A5 (de) | 2013-03-28 |
| DE102011104130A1 (de) | 2011-12-29 |
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