CN103206464B - It is configured to reduce the manufacture method of the transmission clutch assembly uttered long and high-pitched sounds - Google Patents
It is configured to reduce the manufacture method of the transmission clutch assembly uttered long and high-pitched sounds Download PDFInfo
- Publication number
- CN103206464B CN103206464B CN201310009070.9A CN201310009070A CN103206464B CN 103206464 B CN103206464 B CN 103206464B CN 201310009070 A CN201310009070 A CN 201310009070A CN 103206464 B CN103206464 B CN 103206464B
- Authority
- CN
- China
- Prior art keywords
- clutch
- clutch pack
- mass
- anchoring piece
- bumper
- 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.)
- Expired - Fee Related
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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
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
-
- 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
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
-
- 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
- F16F15/1421—Metallic springs, e.g. coil or spiral 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/22—Vibration damping
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The present invention relates to a kind of manufacture method being configured to reduce the transmission clutch assembly uttered long and high-pitched sounds during engagement, this method includes: make clutch pack；And multiple mass bumpers are coupled to clutch pack, clutch pack vibration mode during engaging to be separated.
Description
Technical field
Utter long and high-pitched sounds (or noise) of the present invention relates in transmission for vehicles clutch assembly reduces.
Background technology
Modern variator includes clutch assembly, in order to control wheel of vehicle relative to engine speed
Relative rotation speed.These clutch assemblies are included between engagement and Dissociation sites rotary part alternately.
During clutch engages, clutch components may vibrate relative to final drive shaft.This vibration is permissible
Cause the disagreeable noise being commonly called " utter long and high-pitched sounds (squawk) ".Many existing variators are sought
Lubricate by improving variator or use electromechanical shift control (or electric gear change) reduction to utter long and high-pitched sounds.So
And, increase quality clutch assembly during change engagement of one or more clutch assembly assembly
Vibration mode by more efficient.
No. 7,163,095 United States Patent (USP)s of entitled " having the clutch assembly of vibroshock " disclose
The damping ring being coupled to clutch hub rubbing surface is used to reduce the self-excitation of clutch assembly.But, by
In needing to increase the quality of whole clutch hub circumference, the efficiency of this configuration is less than the present invention
Teaching；Further, the connection between clutch hub and damping ring needs friction coupling, and it is also led
Energy loss unnecessary during causing engagement.
Accordingly, it would be desirable to the mode uttered long and high-pitched sounds in a kind of more effective minimizing transmission for vehicles.Such as institute of the present invention
Disclosed, using other kinds of mass bumper on clutch hub will be useful, such as,
About vehicle system in No. 12/417,603 U.S.'s non-provisional application of entitled " vehicle braking assembly "
Dynamic assembly is instructed.Also need to a kind of effective ways manufacturing transmission clutch assembly, to incite somebody to action
Spring carried mass vibroshock and concentration vibroshock are connected to clutch hub.
Summary of the invention
The present invention is directed to one or more the problems referred to above.Other technologies feature and/or advantage will be from following
Explanation becomes apparent.
It is total that one exemplary embodiment relates to being configured to reduce the transmission clutch uttered long and high-pitched sounds during engagement
The manufacture method become, including: make clutch pack；And multiple mass bumpers are coupled to from
Clutch assembly, to separate clutch pack vibration mode during engaging.
The transmission for vehicles engagement sleeve that another exemplary embodiment relates to being manufactured by following operation is total
Become: on clutch pack, make the first receiver member；And mass bumper is press-fit to groove
In.
Another exemplary embodiment relates to transmission for vehicles clutch assembly, and it has: clutch pack；
The first receiver member made on clutch pack；And it is assembled to the regulation mass damper of receiver member
Device.
It is one of the advantages of the invention that its teaching reduces uttering long and high-pitched sounds and disliking making an uproar during clutch engages
The manufacture method of the clutch assembly of sound.Some test sample demonstrates that the noise of 10 decibels reduces.
To additional fasteners or fastener material (such as, another advantage of the present invention is to that eliminate
Screw connect or welding procedure in may use) demand.Press-in disclosed in this invention is joined
Conjunction method allows that spring carried mass vibroshock one end is rigidly connected to clutch hub and makes opposite side
Mass operates in cantilever fashion.When vibroshock is connected on clutch hub, this method of attachment is also
The opposite sides of block clutch hub.
The present invention further advantage is that, it allows that mass bumper is connected to clutch hub internal diameter
Or on external diameter, thus produce the effectiveness in vibration suppression of wide scope.
Some aspect and embodiment will manifest in the following description.Should be appreciated that and most widely anticipate at it
Say in justice, can put into practice the present invention and one or more technology without these aspects and embodiment is special
Levy.Should be appreciated that these aspects and embodiment are merely illustrative and the explanatory and unrestricted present invention.
The present invention it is more specifically explained in an illustrative manner hereinafter with reference to accompanying drawing, the most identical
Reference is for identical or essentially identical part.When read in conjunction with the accompanying drawings, the above skill of the present invention
Art feature and advantage and other technologies feature and advantage are by from following implementation best mode of the present invention
Detailed description of the invention easily manifests.
Accompanying drawing explanation
In accompanying drawing:
Fig. 1 is the side sectional view of the transmission for vehicles being wherein mounted with exemplary clutch assembly.
Fig. 2 is the perspective view of the clutch gear shown in Fig. 1.
Fig. 3 is the perspective view of the mass bumper that the clutch gear with Fig. 2 is used together.
Fig. 4 is the top view of the mass bumper of Fig. 3.
Fig. 5 is the side view of a part for clutch gear in Fig. 2.
Fig. 6 is the side view of another exemplary mass bumper.
Fig. 7 is the displacement curve chart relative to frequency of various clutch gear.
Although the following detailed description makes reference to illustrative embodiments, its much substitute, amendment and
Change is apparent from for those skilled in the art.Want it is therefore intended that broadly treat right
The theme asked.
Detailed description of the invention
Referring to the drawings, it is shown that the reduction with improvement is uttered long and high-pitched sounds the vehicle with clutch assembly of ability
The different embodiments of variator, in whole views, similar symbol represents identical or corresponding part.
Reduce by using one group of mass bumper to realize notable noise in clutch assembly.An enforcement
In example, such as, vibroshock is coupled to the spring carried mass vibroshock of clutch gear.Mass bumper
Change clutch gear vibration mode during engaging, thus it is defeated to reduce the noise in shift process
Go out.Two chutes (also referred to as receiver member or groove) are separated with 180 degree on clutch gear.Two
Individual vibroshock is press-fit in groove, to attach the dampers to clutch gear.This manufacture method is produced
The raw lubrication benefits increased, i.e. when mass bumper is coupling in clutch gear, in clutch teeth
Lubrication dam is formed between wheel side and clutch gear opposite side.
In certain embodiments, spring carried mass vibroshock is used to allow multidirectional vibration control.Have
The embodiment of spring carried mass vibroshock have dual-use function due to edge effect change vibration curved
Song and torsional mode.Discuss exemplary clutch assembly and manufacture method referring to the drawings.
Figure 1 illustrates the transmission for vehicles 10 reducing noise teaching that compatibility is discussed herein below.At this
In embodiment, variator 10 is six speed automatic transmissions.Other kinds of variator is held concurrently with the present invention
Hold；Five, seven and eight shift transmissions can apply the mass bumper that present invention teach that.Real at other
Executing in example, variator is manual transmission.Any kind of variator can be used, including such as electricity
Dynamic variable transmission or continuously variable transmission.
As shown in fig. 1, transmission clutch assembly 20 includes being connected to clutch gear 40 external diameter
Two mass bumpers 30.As discussed below, table in this method of attachment maintains clutch gear
Sealing between face 50 and the outer surface of clutch gear 60 being exposed to other parts of variator.So,
Manufacture method also produces the clutch lubrication strategy stability of increase.
Gearbox case 70 shown in Fig. 1 some cut.Clutch assembly 20 is positioned at speed change
The mid portion of device.The clutch assembly 20 of diagram includes that spline engagement arrives the interior clutch of output shaft 80
Device gear 40.Clutch gear 40 is positioned at axle journal and is supported on a series of friction plates of clutch gear 40
Or on the internal diameter of clutch 90.Hub 100 on the external diameter of clutch 90 around clutch.Clutch
Device hub 100 is connected to transmission input shaft 110 (as shown in local in Fig. 1).Piston 120
Also it is nested in clutch hub 100.Piston 120 is hydraulically actuable.Power shaft 110 configures
There is a series of hole (such as 130) to control lubrication.Output shaft 80 also has a series of hole (such as
140) to control lubrication.Piston 120 is hydraulic actuating in this embodiment；But, real at other
Execute in example, piston can be electricity actuate (such as use electric gear change and/or servomotor with start from
Clutch engages).In this embodiment, clutch assembly 20 is promoted by piston 120 from variator front portion
Move variator rear portion.Back-moving spring 150 is combined in clutch assembly 20 before piston 120,
Between rear wall.
As shown in fig. 1, two spring carried mass vibroshocks 30 are internally arranged on clutch gear 40
In.Spring carried mass vibroshock 30 is connected to the inner surface 50 of clutch gear as explained below.
Referring now to Fig. 2, wherein show separately the clutch gear 40 in Fig. 1.Fig. 2 is clutch
The perspective view of device gear 40.As it can be seen, clutch gear 40 is connected to output shaft 80.Clutch
Gear 40 includes a series of teeth 160 taking shape on clutch gear external diameter.Described tooth 160 for
Clutch disc (such as, as shown in Figure 1 90) engages.Two spring carried mass vibroshocks 30
On the inner surface 50 or inner ring of clutch gear 40.In this embodiment, spring carried mass vibration damping
Device 30 is shown to scale.But, in other embodiments, spring carried mass vibroshock 30 can be not
With size or structure.In this embodiment, clutch gear 40 is to use powder metallurgy die casting.Can
To use any existing forming technique, including such as turning, milling, punching press or welding, make
Make clutch gear.
As shown in Figure 2, spring carried mass vibroshock 30 is press-fit to the interior table of clutch gear 40
Face 50.As shown in Figures 3 and 4, mass bumper 30 has the sprung mass 170 in cantilevered orientation.
Sprung mass 170 passes through tie-beam 180 relative to clutch gear 40 free vibration.Fig. 3 illustrates
The perspective view of the spring carried mass vibroshock 30 used by clutch gear 40 of Fig. 2.
As shown in Figures 3 and 4, mass bumper 30 includes a sprung mass 170.Sprung mass
170 one end being positioned at vibroshock 30.In this embodiment, mass 170 is configured to rectangle.Mass
The mid portion of 170 includes hole (or adjustment hole) 190, in order to control the weight of mass.So, exist
Different variators can be implemented identical mass bumper 170 structure.By increasing or reducing
The size in the hole 190 in mass 170, can carry out the weight regulation of mass bumper.
As shown in Figures 3 and 4, at the other end of vibroshock, vibroshock 30 base portion includes anchoring piece
200.Anchoring piece 200 triangularity in this embodiment.Anchoring piece 200 includes vibroshock end 220
Two tips angularly arranged 210.Described tip 210 is used for being assembled to clutch gear
In the receiver member formed.Vibroshock 30 is made up of steel.Vibroshock 30 can also be by other materials system
Become, such as aluminum, rustless steel, polymer or the combination of any of above material.In this embodiment,
Vibroshock 30 is to use powder metallurgical technique to be formed.Vibroshock 30 use bore process form hole
190.It will be understood to those of skill in the art that other forming techniques of mass bumper are also in the present invention
Protection domain in, include but not limited to, punching press, milling, molding or extruding.
As shown in Figure 5, clutch gear 40 is made two receiver members 230.Receiver member 230
For assembling the tip 210 on mass bumper 30.In this embodiment, receiver member 230 is to have
The U-shaped axial notch of angle configurations or radius of corner, this angle configurations or radius of corner are marked in Figure 5
For θ.In the 5 embodiment of figure 5, θ is about 30 degree.Therefore, clutch gear 40 is formed
The radian of receiver member 230 be about 30 degree.In other embodiments, the radian of receiver member more than or
Person is less than 30 degree.As it can be seen, tip 210 and receiver member 230 are in vibroshock 30 and clutch
Formed between device gear 40 and be tightly connected.When vibroshock 30 inserts receiver member 230, the two is in example
The inner surface 50 of clutch gear 40 forms lubrication dam or sealing as shown in Figure 1.
Coordinate technique that tip 210 is fitted into receiver member 230 by press-in.Any type can be used
Pressure application, including (such as) punching press, hydraulic pressure, compression joint technique.Therefore, it is configured to reduction nibble
The manufacture method of the transmission clutch assembly uttered long and high-pitched sounds during conjunction includes: make clutch pack (example
As, the clutch gear 40 shown in Fig. 2)；By multiple mass bumpers (such as, institute in Fig. 2
30 shown) it is press-fit to clutch pack, with by clutch pack vibration mode during engaging
Separate.As discussed, it is possible to use Modern Manufacturing Technology, including milling, punching press, molding,
Turning, injection molding or welding, make vibroshock.
Press-in coordinates technique can form lubrication dam between clutch pack and mass bumper,
Connection between receiver member and mass bumper is sufficiently formed fluid-tight (such as shown in Fig. 2) in this place.
Referring now to Fig. 6, illustrated therein is the spring charge material for being implemented in transmission clutch gear
The optional environment of amount vibroshock 300.Mass bumper 300 shown in Fig. 6 has and is arranged on one end
The rectangle sprung mass 310 of 320.Narrow connector 330 is placed in mid portion, and it is as mass 310
And the cantilever between anchoring piece 340.Anchoring piece 340 is arranged at the other end 350 of vibroshock.At this
In embodiment, anchoring piece 340 has two parts.Part I 360 is rectangle part.Part II
370 have the angle configurations of α relative to the central shaft A of mass bumper 300.In this embodiment
α is about 45 °.At the end 350 of vibroshock 300, anchoring piece 340 forms two triangular pointed
380.Tip on anchoring piece is also used for the compatible receiver member being attached to be formed on clutch gear.
In this embodiment, the size of mass bumper is 20mm x 30mm.Connector is about
1mm is thick.In other embodiments, size and the structure of mass bumper can change.
Referring now to Fig. 7, illustrated therein is certain of the different clutch gears that represented by curve chart 400
A little exemplary test results.Y-axis is clutch displacement during engaging.Displacement is with the form of millimeter
Measure.X-axis is the frequency represented with hertz.Line A represents to take from and is wherein not associated with any vibroshock
The data of clutch gear.The hub edge maximum displacement represented by line A be about 0.0007mm and
Occur with the frequency of 578Hz.This 578Hz baseline is that clutch hub vibration during engaging is bent
The amplitude present position of line.
As it is shown in fig. 7, line B and C represents from the clutch wherein combining spring carried mass vibroshock
Device hub (such as, Fig. 2-3 and disclosed above shown in) test data.Subtract with without quality
The amplitude of clutch gear of device of shaking is compared, and connects the position of the clutch gear having spring carried mass vibroshock
Move and there is the amplitude that essence is less.As shown in Figure 7, relevant to line B and C hub has point
Cut vibration mode.The maximum displacement of double mode segmentation clutch hub is to avoid and clutch resonance coupling
Close, and avoid noise unstability.The amplitude (or maximum) of the displacement relative frequency curve of line B
It is about 0.0001mm.This occurs at about 585Hz.The amplitude of the displacement relative frequency curve of line C is also
It is about 0.0001mm.This occurs at about 569Hz.
As set forth above, the spring carried mass vibroshock discussed about Fig. 2 to 4 is at least two
Undesired vibration is reduced on direction.Test result as discussed below is proved, spring carried mass
Vibroshock also reduces the torque change in clutch assembly.Referring now to table 1, illustrated therein is comparison
Clutch hub and there are the test data of hub of advantage of this teaching.Under different pressures level
Measure the torque change of each clutch hub in variator.Under 0.86MPa gross pressure, there is vibration damping
Than the clutch hub without vibroshock, the clutch hub of device demonstrates that significantly reduced torque changes
(90Nm compares 290Nm).At 0.99MPa, each clutch hub is sampled.At this pressure,
Hub without vibroshock experiences the torque change of 550Nm, has the clutch of vibroshock only to experience
The torque change of 290Nm.Carry out next at 1.13MPa to measure.Clutch hub without vibroshock
The torque change of experience 850Nm, and have the torque of the clutch hub experience 730Nm of vibroshock to become
Change.Finally, under the highest test pressure (1.26MPa), the clutch hub without vibroshock experiences
The torque change of 880Nm.The clutch hub having vibroshock only experiences the torque change of 290Nm.
Table 1: with and without the test result of the clutch hub of vibroshock
Those skilled in the art will be recognized by scope of the claims
Put into practice various alternate design and the embodiment of the present invention.Such as, different types of mass bumper is permissible
It is attached to clutch pack, includes, but are not limited to lumped mass vibroshock.Further, different variators
Assembly can benefit from vibration damping disclosed in this invention and press-in compounding technique (such as, clutch plunger,
Other clutch hub etc.).
Claims (9)
1. it is configured to reduce a manufacture method for the transmission clutch assembly uttered long and high-pitched sounds during engagement, its
It is characterised by, including:
Make clutch pack；
Described clutch pack is arranged in described transmission clutch assembly and is used for rotating；
Forming mass bumper, described mass bumper has anchoring piece, extends from described anchoring piece
Tie-beam and the sprung mass being arranged on the other end away from described anchoring piece of described tie-beam；
By described anchoring piece and the described tie-beam in cantilever fashion extended from described anchoring piece and institute
State sprung mass and be rigidly fixed to described clutch pack together.
Method the most according to claim 1, it is characterised in that described in rigidly fix and include institute
State mass bumper and be press-fit to described clutch pack, and at described clutch pack and described
Lubrication dam is formed between mass bumper.
Method the most according to claim 2, it is characterised in that form lubrication dam and include:
Clutch pack is made receiver member, so that mass bumper can be at least partially fitting into
Wherein.
Method the most according to claim 3, it is characterised in that make receiver member and be included in clutch
Groove is made on device assembly.
5. a transmission for vehicles engagement sleeve assembly, it is characterised in that be made up of following technique:
Making the first receiver member on clutch pack, described clutch pack is configured at vehicle speed variation
Device rotates；
Forming mass bumper, described mass bumper has anchoring piece, extends from described anchoring piece
Tie-beam and the sprung mass being arranged on the other end away from described anchoring piece of described tie-beam；
Make described anchoring piece by being press-fit to by described mass bumper in described first receiver member
It is rigidly fixed to described clutch pack.
Clutch pack the most according to claim 5, it is characterised in that farther include:
Lubrication dam is formed between clutch pack and mass bumper.
Clutch pack the most according to claim 5, it is characterised in that the first receiver member is axle
To groove.
Clutch pack the most according to claim 5, it is characterised in that mass bumper is spring
Mounted mass vibroshock.
Clutch pack the most according to claim 8, it is characterised in that farther include:
Clutch pack is made the second receiver member；And
Wherein mass bumper includes the multiple tips that may fitted to the first and second receiver members.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/351,447 | 2012-01-17 | ||
| US13/351,447 US20120111693A1 (en) | 2009-04-02 | 2012-01-17 | Method of Manufacturing a Transmission Clutch Assembly with Reduced Squawk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103206464A CN103206464A (en) | 2013-07-17 |
| CN103206464B true CN103206464B (en) | 2016-09-07 |
Family
ID=48693351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310009070.9A Expired - Fee Related CN103206464B (en) | 2012-01-17 | 2013-01-10 | It is configured to reduce the manufacture method of the transmission clutch assembly uttered long and high-pitched sounds |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103206464B (en) |
| DE (1) | DE102013200228A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043285B (en) * | 2019-11-20 | 2021-06-29 | 东风汽车有限公司 | Resonance frequency control device and method for left suspension of gearbox |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6050380A (en) * | 1997-05-09 | 2000-04-18 | Mannesmann Sachs Ag | Friction clutch with a compensating system |
| CN101006258A (en) * | 2004-08-24 | 2007-07-25 | 谢夫勒两合公司 | Device for damping rotary oscillations |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10037897A1 (en) * | 2000-08-03 | 2002-02-14 | Mannesmann Sachs Ag | Clutch disk comprises hub with frictional components around its periphery and shock absorbing component mounted between these which can move peripherally against effect of resilient mounting |
| US7032723B2 (en) * | 2002-10-22 | 2006-04-25 | Ford Global Technologies, Llc | Brake assembly with tuned mass damper |
| US7163095B2 (en) * | 2004-02-20 | 2007-01-16 | General Motors Corporation | Clutch assembly with vibration damper |
-
2013
- 2013-01-10 DE DE201310200228 patent/DE102013200228A1/en not_active Withdrawn
- 2013-01-10 CN CN201310009070.9A patent/CN103206464B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6050380A (en) * | 1997-05-09 | 2000-04-18 | Mannesmann Sachs Ag | Friction clutch with a compensating system |
| CN101006258A (en) * | 2004-08-24 | 2007-07-25 | 谢夫勒两合公司 | Device for damping rotary oscillations |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013200228A1 (en) | 2013-07-18 |
| CN103206464A (en) | 2013-07-17 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20220110 |