WO2016015726A1 - Fliehkraftpendel - Google Patents
Fliehkraftpendel Download PDFInfo
- Publication number
- WO2016015726A1 WO2016015726A1 PCT/DE2015/200397 DE2015200397W WO2016015726A1 WO 2016015726 A1 WO2016015726 A1 WO 2016015726A1 DE 2015200397 W DE2015200397 W DE 2015200397W WO 2016015726 A1 WO2016015726 A1 WO 2016015726A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pendulum
- recess
- section
- pendulum mass
- mass
- 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
- 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.
- a rotational movement is transmitted by a drive motor in the direction of a drive wheel.
- the rotational movement may be superposed with torsional vibrations, which may be caused, for example, by the drive motor being a reciprocating internal combustion engine with nonuniform torque output.
- a centrifugal pendulum can be used, which is rotatably connected to a shaft of the drive train, usually close to the drive motor.
- the centrifugal pendulum pendulum comprises a pendulum and a number of pendulum masses, which are each mounted in the plane of rotation along predetermined pendulum tracks slidably on the pendulum.
- the pendulum track of a pendulum mass is usually designed so that a center of mass of the pendulum mass is pulled radially inward when the pendulum mass is moved in the circumferential direction relative to the pendulum.
- the displacement movement of a pendulum mass is coupled with a rotary movement that rotates the pendulum mass around its own axis, which runs parallel to the axis of rotation of the pendulum flange.
- centrifugal pendulum according to claim 1.
- an improved centrifugal pendulum can be provided in that the centrifugal pendulum can be mounted rotatably about an axis of rotation.
- the centrifugal pendulum pendulum comprises a pendulum flange, a guide device, a first and at least one axially adjacent and radially at least partially overlapping to the first pendulum mass arranged second pendulum mass.
- the guide device has a first recess in the first pendulum mass and a second recess in the second pendulum mass.
- the guide means is adapted to the first pendulum mass and the second pendulum mass limited to couple with the pendulum flange.
- the guide device further comprises a guide element, wherein the guide element has a first portion and at least a second portion, wherein the first portion, the first recess and the second portion at least partially passes through the second recess, wherein the first portion is formed in the radial direction different from the second portion is.
- centrifugal pendulum with two tuning orders can be provided in a simple manner to eliminate rotational irregularities of a provided by a reciprocating engine torque both in the operating state of the reciprocating engine with cylinder deactivation and without cylinder deactivation. Furthermore, the centrifugal pendulum in its space requirements is particularly favorable.
- the pendulum flange has a first pendulum flange part and a second pendulum flange part.
- the first pendulum flange part and the second pendulum flange part are arranged at least partially axially spaced from one another.
- the first pendulum mass and the second pendulum mass are arranged axially between the first pendulum flange part and the second pendulum flange part.
- the recesses radially overlap. In this way, the compactness of the centrifugal pendulum can be further increased.
- the first section has a first cylindrical cross section with a first diameter and the second section has a second cylindrical cross section with a second diameter.
- the first diameter is different from the second diameter.
- the first recess comprises a first recess contour and the second recess has a second recess contour. The first recess contour is formed differently from the second recess contour.
- the guide device comprises a third recess in the pendulum flange.
- the guide element comprises a third section.
- the third section at least partially penetrates the third recess.
- the third section is designed differently from the first and / or second section.
- the third section is in each case arranged adjacent to a longitudinal end of the guide element, wherein the first and the second section are arranged axially between the two third sections.
- first and the second section are arranged axially adjacent to one another, wherein preferably the first section has an axial extension of the first pendulum mass and the second section has an axial extent of the second pendulum mass.
- the axial extent of the two pendulum masses is different from each other.
- a third pendulum mass is provided.
- the third pendulum mass is at least partially arranged radially overlapping to the first and / or second pendulum mass.
- the guide device comprises a fourth recess in the third pendulum mass.
- the guide element comprises a fourth section.
- the fourth section is formed in the radial direction differently from the first section and / or second section and / or third section. The fourth section at least partially penetrates the fourth recess.
- the third pendulum mass is disposed axially adjacent to the first and / or second pendulum mass and axially between the two pendulum flange portions.
- the first section and / or the second section and / or the third section has a greater extent in the radial direction than the third section.
- Figure 1 is a semi-longitudinal section through a centrifugal pendulum according to a first embodiment
- Figure 2 is a sectional view through the centrifugal pendulum shown in Figure 1 along a sectional plane A-A shown in Figure 1;
- FIG 3 shows a semi-longitudinal section through a centrifugal pendulum according to a second embodiment.
- FIG. 1 shows a semi-longitudinal section through a centrifugal pendulum 10 according to a first embodiment.
- FIG. 2 shows a cross section through the centrifugal pendulum 10 shown in FIG. 1 along a sectional plane A-A shown in FIG.
- the centrifugal pendulum 10 is rotatably arranged about a rotation axis 15.
- the centrifugal pendulum 10 comprises a pendulum flange 20, a first pendulum mass 25 and a second pendulum mass 30. Further, a guide means 35 is provided which couples the pendulum masses 25, 30 limited to the pendulum flange 20 movable.
- a hub 40 Radially inside the pendulum flange 20 in the embodiment, a hub 40 is provided, which provides a torque-locking connection to another component of a drive train of a motor vehicle.
- the hub 40 has a hollow cylindrical construction and has a hub flange 55 extending in the radial direction.
- On an inner peripheral surface of the hub 40 is a toothing 45 of a shaft-hub connection 46th
- a shaft 50 (shown in dashed lines in FIG. 1) engages in the toothing 50.
- the pendulum flange 20 has a first pendulum flange part 65 and a second pendulum flange part 70.
- the hub flange 55 is connected by means of a first connection 60, which in FIG the embodiment is designed as a rivet connection by way of example, with the pendulum flange first pendulum flange 65 connected torsionally.
- the two pendulum flange parts 65, 70 are connected to one another in a torque-locking manner radially on the inside by means of a second connection 75.
- the second connection 75 is formed as a rivet connection.
- the second connection 75 is formed differently.
- the second pendulum flange part 70 is designed to be shorter radially inward than the first pendulum flange part 65.
- the second Pendelflanschteil 70 is connected together or alone by means of the first connection 60 with the hub flange 55.
- Radially inside the pendulum mass 25, 30 are the two Pendelflanschmaschine 65, 70 together.
- Radially on the outside of the second connection 75, the first pendulum flange part 65 and the second pendulum flange part 70 are arranged in sections axially spaced from each other. Between the two Pendelflansch trying 65, 70, the first and the second pendulum mass 25, 30 is arranged.
- the first pendulum mass 25 is arranged axially adjacent to the second pendulum mass 30. Further, the second pendulum mass 30 is disposed axially adjacent and radially at least partially overlapping the first pendulum mass 25.
- a radial overlap is understood to mean that when the first pendulum mass 25 and the second pendulum mass 30 are projected onto a plane perpendicular to the axis of rotation 15, the second pendulum mass 30 has an overlap region with the first pendulum mass 25.
- the two pendulum masses 25, 30 are thus arranged offset to one another in the axial direction, but are in the circumferential direction and partially in the radial direction at the same height.
- the guide device 35 comprises a guide element 80, which is designed as a pendulum roller.
- the guide member 80 includes a first portion 85, a second portion 90, and two third portions 95.
- the portions 85, 90 are disposed axially adjacent to one another.
- the third sections 95 are arranged on one longitudinal end 100 of the guide element 80. Axial between the two third sections 95, the first section 85 and the second section 90 are arranged.
- the sections 85, 90, 95 are cylindrical.
- the sections 85, 90, 95 have a different radial extent in the radial direction.
- the first section 85 has a first diameter di
- the second section 90 has a second diameter 02 different from the first diameter di.
- the second diameter 02 is exemplarily larger than the first diameter di.
- the third sections 95 each have a third diameter d3.
- the third diameter d3 is smaller than the first diameter di and the second diameter 02.
- the guide element 80 has a step-like configuration.
- the first section 85 has substantially the same axial extension as the first pendulum mass 25.
- the same also applies to the second section 90, which has the same axial extent in the axial direction as the second pendulum mass 30.
- the third Section 95 has substantially the same axial extent as the first Pendelflanschteil 65 and / or the second Pendelflanschteil 70.
- the axial extent of the two pendulum masses 25, 30 may be different from each other but also different from the respective extent of the first Pendelflanschteils 65 and / or be the second pendulum flange 70.
- the first section 85 is identical in its axial extent to the second section 90 and / or to the third section 95.
- the guide device 35 comprises in the first pendulum mass 25 a first recess 105 and a second recess 1 10 arranged in the second pendulum mass 30.
- the first recess 105 and the second recess 110 overlap at least partially radially.
- the first recess 105 and the second recess 110 extend in the circumferential direction, the first recess 105 having a first recess contour 15 and the second recess 110 having a second recess contour 120.
- the first recess contour 1 15 may preferably be formed differently from the second recess contour 120.
- the first recess contour 15 and the second recess contour 120 are kidney-shaped, with the first recess 105 and the second recess 120 tion 1 10 have a center of curvature, which is radially outwardly of the first recess 105 and / or the second recess 1 10 is arranged.
- first recess contour 1 15 and / or the second recess contour 120 are conceivable.
- the pendulum flange 20 has, in the first pendulum flange part 65 and in the second pendulum flange part 70, a circumferentially extending third recess 125.
- the third recess 125 has a third recess contour 130, which is configured in a kidney shape by way of example in a cross section perpendicular to the axis of rotation 15.
- a center of curvature of the third recess contour 130 is arranged radially outside the third recess 125.
- the third recesses 125 are arranged radially overlapping each other and to the first and second recesses 105, 1 10 arranged.
- the guide member 80 passes through the recesses 105, 1 10, 125.
- the first section 85 passes through the first recess 105, the second section 90, the second recess 1 10 and the third sections 95, the third recesses 125.
- the pendulum masses 25, 30 serve as energy storage and are guided along each of a pendulum track 126, 127.
- a first pendulum track 126 of the first pendulum mass 25 is determined by the geometric configuration of the first recess contour 15 and the third recess contour 130 and the first and third sections 85, 95.
- a second pendulum track 127 of the second pendulum mass 30 is determined by the geometrical configuration of the second cutout contour 120 and the third cutout contour 130 and the second and third sections 90, 95.
- reciprocating engines are operated in two operating states with cylinder deactivation and without Zylinderab- circuit. This reduces the fuel consumption in this operating mode by reducing the cylinders in operation.
- the full number of cylinders is commonly used to take advantage of the full power range of the reciprocating engine.
- the reciprocating engine has depending on the operating state on a different main exciter order. This depends on the operating sensitive number of cylinders.
- a reciprocating engine with a cylinder number of eight cylinders has a main excitation order in operation without cylinder deactivation of four and in operation with cylinder deactivation, in which, for example, half of the cylinders are turned off, of two.
- the main exciter orders are thus different from one another depending on the operating state.
- the centrifugal pendulum 10 is tuned in its tuning orders to the respective main excitation order of the reciprocating motor.
- the first pendulum mass 25 in conjunction with the first pendulum track 126 on a first tuning order and the second pendulum mass 30 in conjunction with the second pendulum track 127 on a second tuning order.
- the first voting order is matched to the first main excitation order and the second voting order to the second main excitation order of the reciprocating engine.
- the first pendulum mass 25 has a different axial extent than the second pendulum mass 30.
- an optimal and flexible adaptation of the voting orders to the main field orders can be achieved.
- FIG 3 shows a semi-longitudinal section through a centrifugal pendulum 10 according to a second embodiment.
- the centrifugal pendulum 10 is formed substantially identical to the centrifugal pendulum 10 shown in Figure 1.
- a third pendulum mass 200 is provided, which is arranged axially adjacent to the second pendulum mass 30 between the two pendulum flange parts 65, 70.
- the third pendulum mass 200 is identical to the first pendulum mass 25 in the embodiment.
- the third pendulum mass 200 it would also be conceivable for the third pendulum mass 200 to be differently shaped than the first pendulum mass 25 and / or the second pendulum mass 30. is forming.
- the third pendulum mass 200 is arranged radially at least partially overlapping to the first pendulum mass 25 and / or second pendulum mass 30.
- the guide device 35 has a guide element 205 designed differently in FIG. 1.
- the guide member 205 is formed as a spherical roller.
- the guide element 205 has a fourth section 210 in addition to the ready sections 85, 90, 95 explained in FIG.
- the fourth portion 210 is disposed axially between the third portion 95 and the second portion 90.
- the fourth section 210 has a cylindrical cross-section, the fourth section 210 having a different extent to the second and third sections 90, 95 in the radial direction.
- the fourth section 210 has a fourth diameter d 4 .
- the fourth diameter d 4 is identical to the first diameter di of the first section 85.
- the plane of symmetry 220 runs at the boundary surfaces of the two Pendelflanschmaschine 65, 70, with which the Pendelflanschmaschine 65, 70 abut each other.
- the fourth portion 210 is formed differently and thus the guide member 205 is formed asymmetrically with respect to the plane of symmetry 220.
- the guide device 35 comprises in the third pendulum mass 200 a fourth recess 225 with a fourth recess contour 230.
- the fourth recess contour 230 is identical in the embodiment to the first recess contour 15 of the first recess 105.
- the fourth cutout contour 230 it would also be conceivable for the fourth cutout contour 230 to be identical to the second cutout contour 120 and / or the third cutout contour 130.
- the fourth section 210 of the guide element 205 passes through the fourth recess 225 and has substantially the same axial extension as the third pendulum mass 200.
- the third aerial tramway is identical to the first aerial tramway 126.
- the pendulum masses 25, 30, 200 are pressed radially outwardly during operation of the centrifugal force pendulum 10, so that the recess contours 1 15, 120, 230 bear against the respective section 85, 90, 210 radially inwardly relative to a longitudinal axis 135 of the guide element 80, 205 ,
- the third section 95 is pressed radially outward and lies radially on the outside relative to the longitudinal axis 135 on the third recess contour 130.
- pendulum tracks 126, 127 can each be different from each other, so that the pendulum masses 25, 30, 200 exhibit a different pendulum behavior during operation and in each case cancel out a different main excitation order with their tuning order.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112015003470.6T DE112015003470A5 (de) | 2014-07-29 | 2015-06-25 | Fliehkraftpendel |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014214829.4A DE102014214829A1 (de) | 2014-07-29 | 2014-07-29 | Fliehkraftpendel |
| DE102014214829.4 | 2014-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016015726A1 true WO2016015726A1 (de) | 2016-02-04 |
Family
ID=53765019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2015/200397 Ceased WO2016015726A1 (de) | 2014-07-29 | 2015-06-25 | Fliehkraftpendel |
Country Status (2)
| Country | Link |
|---|---|
| DE (2) | DE102014214829A1 (de) |
| WO (1) | WO2016015726A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019066015A1 (ja) * | 2017-09-28 | 2019-04-04 | アイシン・エィ・ダブリュ株式会社 | 振動減衰装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011085106A1 (de) | 2010-11-11 | 2013-02-28 | Schaeffler Technologies AG & Co. KG | Drehschwingungstilgervorrichtung und Drehmomentübertragungsvorrichtung für ein Kraftfahrzeug |
| DE102012219959A1 (de) * | 2011-11-28 | 2013-05-29 | Schaeffler Technologies AG & Co. KG | Fliehkraftpendel |
| FR2986593A1 (fr) * | 2012-02-07 | 2013-08-09 | Valeo Embrayages | Dispositif d'amortissement pendulaire |
| WO2014012737A1 (de) * | 2012-07-19 | 2014-01-23 | Zf Friedrichshafen Ag | Tilgerschwingungsdämpfer und dämpferanordnung |
-
2014
- 2014-07-29 DE DE102014214829.4A patent/DE102014214829A1/de not_active Withdrawn
-
2015
- 2015-06-25 WO PCT/DE2015/200397 patent/WO2016015726A1/de not_active Ceased
- 2015-06-25 DE DE112015003470.6T patent/DE112015003470A5/de not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011085106A1 (de) | 2010-11-11 | 2013-02-28 | Schaeffler Technologies AG & Co. KG | Drehschwingungstilgervorrichtung und Drehmomentübertragungsvorrichtung für ein Kraftfahrzeug |
| DE102012219959A1 (de) * | 2011-11-28 | 2013-05-29 | Schaeffler Technologies AG & Co. KG | Fliehkraftpendel |
| FR2986593A1 (fr) * | 2012-02-07 | 2013-08-09 | Valeo Embrayages | Dispositif d'amortissement pendulaire |
| WO2014012737A1 (de) * | 2012-07-19 | 2014-01-23 | Zf Friedrichshafen Ag | Tilgerschwingungsdämpfer und dämpferanordnung |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019066015A1 (ja) * | 2017-09-28 | 2019-04-04 | アイシン・エィ・ダブリュ株式会社 | 振動減衰装置 |
| CN111133222A (zh) * | 2017-09-28 | 2020-05-08 | 爱信艾达株式会社 | 振动衰减装置 |
| JPWO2019066015A1 (ja) * | 2017-09-28 | 2020-07-09 | アイシン・エィ・ダブリュ株式会社 | 振動減衰装置 |
| CN111133222B (zh) * | 2017-09-28 | 2022-04-12 | 株式会社爱信 | 振动衰减装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014214829A1 (de) | 2016-02-04 |
| DE112015003470A5 (de) | 2017-05-04 |
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