WO2015165455A1 - Fliehkraftpendel - Google Patents
Fliehkraftpendel Download PDFInfo
- Publication number
- WO2015165455A1 WO2015165455A1 PCT/DE2015/200254 DE2015200254W WO2015165455A1 WO 2015165455 A1 WO2015165455 A1 WO 2015165455A1 DE 2015200254 W DE2015200254 W DE 2015200254W WO 2015165455 A1 WO2015165455 A1 WO 2015165455A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- damping
- pendulum
- holding
- region
- latching
- 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
- 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
- F16F15/145—Masses mounted with play with respect to driving means thus enabling free movement over a limited range
Definitions
- the invention relates to a centrifugal pendulum according to claim 1.
- centrifugal pendulum with a pendulum and arranged on the pendulum pendulum masses.
- the pendulum masses are coupled by means of a link guide with the pendulum.
- a damping device is provided frontally between the pendulum masses having an elastomer damper.
- the elastomer of the damping device hardens and becomes porous. This can lead to a breaking of the damping device when striking the pendulum masses together via the damping device, so that particles of the damping device can detach.
- an improved centrifugal pendulum which is rotatably mounted about an axis of rotation, can be provided in that the centrifugal pendulum comprises a pendulum mass and a damping device, wherein the damping device comprises at least one damping element, wherein the damping element is formed, a striking of the pendulum mass to damp, wherein the damping device comprises a holding device, wherein the holding device is connected to the damping element.
- the stop behavior of the pendulum mass can be optimized in the end positions. Furthermore, a strength of the damping element can be increased or a maximum stress of the damping element can be limited.
- the holding device has a holding portion extending in the circumferential direction and a fastening portion extending substantially in the axial direction.
- the holding section is connected to the pendulum mass.
- the attachment portion includes an inner surface.
- the inner surface is on a side facing the retaining portion of the Befest Trentsab- arranged in sections.
- the damping element is arranged on the inner surface of the attachment portion.
- the pendulum mass has a receptacle with a
- the holding section engages in the receptacle and provides a non-positive and / or positive connection with the pendulum mass.
- the holding device can be fixed particularly well to the pendulum mass.
- the holding section has a first passage opening and the pendulum mass has a second passage opening.
- the damping device comprises a passage bolt formed corresponding to one of the two passage openings.
- the through-bolt extends through the first and second through-holes.
- the holding section has a first area and a second area adjoining the first area.
- the first region is offset axially relative to the second region.
- the first passage opening is arranged in the second region.
- the holding section comprises a third area.
- the second region is arranged between the first region and the third region, wherein the first and the third region are arranged substantially at the same axial height.
- the damping device comprises a latching device.
- the locking device fixes the damping element on the holding device. In this way, a simple form-fitting connection between the damping element and the holding device can be provided.
- the locking device has a latching nose and a
- the latching recess is formed to receive the latching lug.
- the locking lug is arranged on a side facing away from the fastening portion of the damping element and the latching recess in the holding portion.
- the latching lug is arranged in the holding section and the latching recess in the damping element. In this way, a simple connection between the damping element and holding device can be ensured, which is easy to install.
- the holding device has a strip material, wherein the strip material is guided in a double-layered manner in the holding section.
- the attachment portion comprises a first web and a second web. The second web is aligned axially opposite to the first web.
- the damping element comprises a first damping section, a second damping section and a third damping section.
- the first damping section and the third damping section are aligned in the circumferential direction and connected by means of the extending in the axial direction of the second damping portion.
- the holding device is T- or L-shaped, so that the holding device can be at least partially encompassed by the first damping portion and the third damping portion. If the holding device consists of several parts, these parts can be fixed together by means of the damping element.
- Figure 1 is a schematic plan view of a centrifugal pendulum
- FIG. 2 is a half-longitudinal section through the centrifugal pendulum shown in FIG. 1;
- FIG 3 is a perspective view of the centrifugal pendulum shown in Figures 1 to 2 with a damping device according to a first embodiment
- Figure 4 is a perspective view of the damping device shown in Figure 3;
- Figure 5 is a perspective view of the centrifugal pendulum shown in Figures 1 and 2 with a damping device according to a second embodiment;
- Figure 6 is a plan view of the centrifugal pendulum shown in Figure 5;
- Figure 7 is a perspective view of the damping device shown in Figures 5 and 6;
- Figure 8 is a side view of the damping device shown in Figure 7;
- Figure 9 is a perspective view of the damping device shown in Figures 5 to 8 in a partially assembled state.
- Figure 10 is a perspective view of the centrifugal pendulum shown in Figures 1 and 2 with a damping device according to a third embodiment
- Figure 1 1 is an exploded view of the damping device shown in Figure 10;
- Figure 12 is a perspective view of the damping device shown in Figures 10 and 11;
- FIG. 13 a section of the damping device shown in FIG. 12;
- Figure 14 is a perspective view of the damping device shown in Figures 10 to 13 in the preassembled state
- FIG 15 is a perspective view of the centrifugal pendulum shown in Figures 1 and 2 with a damping device according to a fourth embodiment
- Figure 16 is an exploded view of the damping device shown in Figure 15;
- Figure 17 is a side view of the damping device shown in Figures 15 and 16.
- 1 shows a schematic plan view of a centrifugal pendulum 10.
- FIG. 2 shows a longitudinal section through the centrifugal pendulum 10 shown in FIG.
- the centrifugal pendulum 10 is rotatably mounted about a rotational axis 15 in a drive train (not shown) of a motor vehicle.
- the drive train may comprise a reciprocating engine, which provides a bearing with torsional vibrations drive torque.
- the centrifugal pendulum 10 serves to at least partially cancel the torsional vibrations, so as to provide a particularly quiet drive train.
- the centrifugal pendulum 10 comprises a pendulum flange 20 and a plurality of pendulum masses 25, 30, which are arranged spaced apart in the circumferential direction.
- the pendulum masses 25, 30 are each coupled by means of a slotted guide 35, 40 with the pendulum flange 20, wherein the slotted guide 35, 40, the pendulum masses 25, 30 along a pendulum in a pendulum motion of the pendulum masses 25, 30, so that the pendulum masses 25, 30 opposite the pendulum flange 20 are limited movable.
- a damping device 45 is disposed on the first pendulum mass 25 and a further damping device 45 on the second pendulum mass 30.
- the damping device 45 serves to dampen a striking of the first pendulum mass 25 on the second pendulum mass 30, for example, when switching off the reciprocating motor or discharges of high torsional vibrations in the centrifugal pendulum 10, so usually avoided when striking the pendulum masses 25, 30 together emerging Klackergehoffsch becomes.
- the first pendulum mass 25 is arranged alternately in the circumferential direction to the second pendulum mass 30.
- four pendulum masses 25, 30 are provided.
- the pendulum masses 25, 30 each include a first pendulum mass portion 50 and a second pendulum mass portion 55 (see Figure 2).
- the pendulum mass parts 50, 55 are arranged on both sides of the pendulum flange 20 and by means of a spacer pin 60 in the axial Direction connected with each other.
- the pendulum flange 20 has two axially spaced Pendelflanschabête, between the Pendelflanschab mustarden the pendulum mass 25, 30 is arranged and connected by means of the slotted guide 35, 40 with the Pendelflanschabroughen.
- FIG. 3 shows a perspective view of the centrifugal force pendulum 10 shown in FIGS. 1 and 2 with the damping device 45 according to a first embodiment.
- FIG. 4 shows a perspective view of the damping device 45 shown in FIG.
- the pendulum flange 20 has a recess 65 in which the damping devices 45 are arranged.
- a damping device 45 is provided on each side surface 70 of the other pendulum mass 25, 30 facing side surface of the pendulum mass 25, 30.
- a damping device 45 is provided on only one side surface 70.
- the damping device 45 is formed in the embodiment substantially T-shaped and has a holding device 75 and a damping element 80 (see Figure 4).
- the holding device 75 has a holding section 85 extending in the circumferential direction and a fastening section 90 extending essentially in the axial direction.
- the holding portion 85 is approximately in a central position, seen in the axial direction, arranged on the mounting portion 90.
- the attachment portion 90 has a stop surface 95 which faces the side surface 70 of the circumferentially opposed other pendulum mass 30 and the damping device 45 disposed on the other (second) pendulum mass 30.
- On one of the side surface 70 of the first pendulum mass 25 side facing a first inner surface 100 is disposed on the mounting portion 90.
- the damping element 80 is integrally connected to the attachment portion 90.
- the damping element 80 is vulcanized onto the attachment portion 90.
- the damping element 80 is otherwise attached to the mounting portion 90.
- the holding device 75 can be produced in a particularly simple and cost-effective manner, for example by means of a die-casting method.
- the damping element 80 has an elastomer as a material in the embodiment.
- the damping element 80 is formed differently.
- the pendulum mass 25, 30 has a receptacle 105 for this purpose.
- the receptacle 105 is formed in the embodiment by a first pendulum flange 20 facing first inner wall 1 10 of the first pendulum mass part 50 and by a second the pendulum flange 20 facing inner wall 1 15 of the second pendulum mass part 55.
- the holding portion 85 engages in the receptacle 105 of the first pendulum mass 25 and the second pendulum mass 30 a.
- the inclusion in one of the pendulum mass parts 50, 55 or, in particular, when a one-piece pendulum mass 25, 30 is provided this is formed by a recess 65 in the pendulum mass 25, 30.
- a first passage opening 120 is provided in the holding section 85.
- Passage opening 120 is formed slot-like running in the circumferential direction. Further, in the pendulum mass 25, 30 approximately in the circumferential direction at the height of the receptacle 105, a second through hole 125 is provided, which is aligned parallel to the axis of rotation 15 extending.
- the passage openings are penetrated by a passage bolt 130, which is riveted at its longitudinal ends, ie on the side facing away from the pendulum flange 20 side of the pendulum mass parts 55, 60, each with the pendulum mass portion 50, 55.
- the through-bolt 130 likewise assumes the function of the spacer bolt 60 described above. In this way, the holding device 75 or the damping element 80 can be connected in a form-fitting manner to the pendulum mass 25, 30 in a particularly simple manner.
- a bulge 135 is provided radially on the side surface 70 of the pendulum mass parts 50, 55 approximately at the level of the second through-opening 125, wherein the damping element 80 with its second inner surface 140 facing the side surfaces flatly against the side surface 70, in particular at the bulge 135, is present. As a result, tilting of the holding device 75 or of the damping element 80 can be avoided.
- FIG. 5 shows a perspective view of the centrifugal pendulum 10 shown in Figures 1 and 2 with a damping device 200 according to a second embodiment.
- FIG. 6 shows a plan view of the centrifugal pendulum 10 shown in FIG. 5.
- FIG. 7 shows a perspective view of the damping device 200 shown in FIGS. 5 and 6, and
- FIG. 8 shows a side view of the damping device 200 shown in FIG. 7.
- FIG. 9 shows a perspective view the damping device 200 shown in Figures 5 to 8 in the partially assembled state.
- Figures 5 to 9 will be explained together.
- the damping device 200 is similar to the damping device 45 shown in FIGS. 3 and 4. Deviating from this, the holding section 85 has a first region 205, a second region 210 and a third region 215. The regions adjoin one another in the circumferential direction.
- the first region 205 and the third region 215 are axially approximately at the same height
- the second region 210 which is arranged in the circumferential direction between the first and the third region 205, 215, is arranged axially relative to the first or third region 205, 215.
- the first through-opening 120 is provided in the second region 210.
- the damping device 200 is designed to be manufactured by means of a punch bending process.
- the holding device 75 has a first holding device part 220 and a second holding device part 225.
- the holding device parts 220, 225 are L-shaped.
- the first region 205 of the first holding device part 220 has a first contact surface 221
- the second region 210 of the first holding device part 220 has a second contact surface
- the first region 205 of the second holding device part 225 has a fourth contact surface 226, the second region 210 of the second holding device part 225 has a fifth contact surface 227 and the third region 215 of the second holding device part 225 has a sixth contact surface 228.
- the first, third fourth and sixth abutment surfaces are arranged axially at the same height, the first abutment surface 221 abutting the fourth abutment surface 226 in the assembled state and the third abutment surface 223 abutting the sixth abutment surface 228.
- the second and fourth abutment surfaces 222, 224 are disposed axially on opposite sides of the holding portion 85, respectively. If the two holding device parts 220, 225 inserted into the receptacle 105 between the pendulum mass parts 50, 55, so with appropriate coordination of the second region 210 to the first and third region 205, 215 224 in its axial arrangement or in other words with appropriate tuning of a Axial distance of the second to the fourth contact surface 222, to the axial extent of the receptacle 105, a frictional connection of the second portion 210 to the inner walls 1 10, 1 15 of the receptacle 105 are provided. In this case, the second and fourth abutment surface 222, 224 abut the first and second inner wall 1 10, 1 15 of the receptacle 100 and the second region 210 presses against the inner walls 1 10, 1 15.
- each holding device part 220, 225 for forming the fastening portion 90 has a web 230, 235.
- the first holding device part 220 has a first web 230 which extends axially in the opposite direction to a second web 235 of the second holding device part 225.
- a damping element part 245, 250 is arranged in each case.
- the damping element parts 245, 250 essentially have a cuboid configuration.
- the retainer members 220, 225 are disposed adjacent to each other at the first and third regions 205, 215 in the axial direction.
- only one holding device part 220, 225 is arranged in the receptacle 105.
- the first and third regions 205, 215 on the first inner wall 110 then brace against the second region 210 on the second inner wall 15.
- the first holding device part 220 with the second holding device part 225 in the first and / or third Region 205, 215 is materially connected.
- FIG. 10 shows a perspective view of the centrifugal pendulum 10 shown in FIGS. 1 and 2 with a damping device 300 according to a third embodiment.
- FIG. 11 shows an exploded view of the damping device 300 shown in FIG 12 shows a perspective view of the damping device 300 shown in FIGS. 10 and 11.
- FIG. 13 shows a section of the damping device 300 shown in FIG. 12.
- FIG. 14 shows a perspective view of the damping device 300 shown in FIGS. 10 to 13 in the preassembled state.
- the damper device 300 is similar to that shown in FIGS. 7 to 10
- Embodiment of the damping device 200 is formed.
- the damping device 300 has a latching device 305.
- the damping element 80 is fixed to the holding device 75.
- the latching device 305 has a latching lug 310 on the damping element 80 on a side facing away from the fastening section 90.
- the detent 310 is formed in the embodiment as a bulge in the damping element 80.
- the latching nose 310 has a different design.
- a latching recess 315 is provided in the holding section 85.
- the latching recess 315 has a constriction 320, which engages behind the latching nose 310 in the mounted state. As a result, the latching function of the latching lug 310 in the latching recess 315 is ensured.
- the damping element 80 has a first damping section 325, a second damping section 330 and a third damping section 335.
- the first damping section 325 and the third damping section 335 extend essentially in the circumferential direction while, on the other hand, the second damping section 330 extends essentially in the axial direction.
- the second damping section 330 connects the first damping section 325 to the third damping section 330.
- the latching nose 310 is arranged in the second damping section 330.
- the first Garvornchtungsteil 220 and the second Garvornchtungsteil 225 by the first damping portion 325 and the third damping portion 335 are pressed axially against each other, so for the mounting of the damping device 300 in the receptacle 105 of the pendulum mass 25, 30 no additional connection steps to Fixing the two holding device parts 220, 225 are necessary.
- FIG. 15 shows a perspective view of the centrifugal force pendulum 10 shown in FIGS. 1 and 2 with a damping device 400 according to a fourth embodiment.
- FIG. 16 shows an exploded view of the damping device 400 shown in FIG. 15, and
- FIG. 17 shows a side view of the damping device 400 shown in FIGS. 15 and 16.
- the damping device 400 is substantially identical to the damping device 200 shown in FIGS. 5 to 9. Deviating from this, instead of a cohesive connection between the damping element 80 and the holding device 75, the damping element 80 is connected by means of a positive connection 405.
- the positive connection 405 has recesses 410 in the webs 230, 235.
- the damping element 80 comprises pins 415, which engage in the recesses 410 in the assembled state.
- an outer diameter of the pin 415 is greater than an inner diameter of the recess 410, so that the positive connection 405 is supported by a frictional connection between the pin 415 and the recess 410.
- the damping element parts 245, 250 are also additionally connected in a materially bonded manner to the webs 230, 235.
- the holding device 75 has a band material.
- the strip material is guided in a double-layered manner in the holding section 85, with the first web 230 and the second web 235 being oppositely oriented in the axial direction in the fastening section 90. Due to the strip material, the holding device 75 can be produced in a simple manner by means of a stamping and bending process.
- damping device 45, 200, 300, 400 may also be designed differently.
- the features of the embodiments of the damping device 45, 200, 300, 400 shown in Figures 1 to 17 can of course be combined. It is particularly conceivable that the damping device 45, 200, 300, 400 is also arranged on the pendulum flange 20.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201580023022.2A CN106255841B (zh) | 2014-04-30 | 2015-04-13 | 离心力摆 |
DE112015002078.0T DE112015002078A5 (de) | 2014-04-30 | 2015-04-13 | Fliehkraftpendel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014208144 | 2014-04-30 | ||
DE102014208144.0 | 2014-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015165455A1 true WO2015165455A1 (de) | 2015-11-05 |
Family
ID=53276687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2015/200254 WO2015165455A1 (de) | 2014-04-30 | 2015-04-13 | Fliehkraftpendel |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN106255841B (zh) |
DE (1) | DE112015002078A5 (zh) |
WO (1) | WO2015165455A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160160959A1 (en) * | 2013-08-09 | 2016-06-09 | Aisin Aw Co., Ltd. | Centrifugal-pendulum vibration absorbing device |
DE102016223364A1 (de) | 2015-11-25 | 2017-06-01 | Schaeffler Technologies AG & Co. KG | Fliehkraftpendeleinrichtung und Drehmomentübertragungseinrichtung |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010054302A1 (de) * | 2009-12-17 | 2011-06-22 | Schaeffler Technologies GmbH & Co. KG, 91074 | Fliehkraftpendel |
DE102011013232A1 (de) * | 2010-03-11 | 2011-09-15 | Schaeffler Technologies Gmbh & Co. Kg | Fliehkraftpendeleinrichtung |
DE102011082188A1 (de) * | 2011-09-06 | 2013-03-07 | Schaeffler Technologies AG & Co. KG | Drehschwingungstilger |
DE102012220887A1 (de) * | 2011-11-30 | 2013-06-06 | Schaeffler Technologies AG & Co. KG | Massetilger |
EP2667050A1 (fr) * | 2012-05-23 | 2013-11-27 | Valeo Embrayages | Dispositif de transmission de couple pour un véhicule automobile |
WO2014006098A1 (de) * | 2012-07-06 | 2014-01-09 | Schaeffler Technologies AG & Co. KG | Drehschwingungstilger |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012022278A1 (de) * | 2010-08-19 | 2012-02-23 | Schaeffler Technologies Gmbh & Co. Kg | Fliehkraftpendeleinrichtung |
-
2015
- 2015-04-13 CN CN201580023022.2A patent/CN106255841B/zh not_active Expired - Fee Related
- 2015-04-13 WO PCT/DE2015/200254 patent/WO2015165455A1/de active Application Filing
- 2015-04-13 DE DE112015002078.0T patent/DE112015002078A5/de not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010054302A1 (de) * | 2009-12-17 | 2011-06-22 | Schaeffler Technologies GmbH & Co. KG, 91074 | Fliehkraftpendel |
DE102011013232A1 (de) * | 2010-03-11 | 2011-09-15 | Schaeffler Technologies Gmbh & Co. Kg | Fliehkraftpendeleinrichtung |
DE102011082188A1 (de) * | 2011-09-06 | 2013-03-07 | Schaeffler Technologies AG & Co. KG | Drehschwingungstilger |
DE102012220887A1 (de) * | 2011-11-30 | 2013-06-06 | Schaeffler Technologies AG & Co. KG | Massetilger |
EP2667050A1 (fr) * | 2012-05-23 | 2013-11-27 | Valeo Embrayages | Dispositif de transmission de couple pour un véhicule automobile |
WO2014006098A1 (de) * | 2012-07-06 | 2014-01-09 | Schaeffler Technologies AG & Co. KG | Drehschwingungstilger |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160160959A1 (en) * | 2013-08-09 | 2016-06-09 | Aisin Aw Co., Ltd. | Centrifugal-pendulum vibration absorbing device |
US10072728B2 (en) * | 2013-08-09 | 2018-09-11 | Aisin Aw Co., Ltd. | Centrifugal-pendulum vibration absorbing device |
DE102016223364A1 (de) | 2015-11-25 | 2017-06-01 | Schaeffler Technologies AG & Co. KG | Fliehkraftpendeleinrichtung und Drehmomentübertragungseinrichtung |
Also Published As
Publication number | Publication date |
---|---|
DE112015002078A5 (de) | 2017-03-09 |
CN106255841B (zh) | 2019-01-01 |
CN106255841A (zh) | 2016-12-21 |
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