CN104295662B - Torsional vibration damper - Google Patents
Torsional vibration damper Download PDFInfo
- Publication number
- CN104295662B CN104295662B CN201410336346.9A CN201410336346A CN104295662B CN 104295662 B CN104295662 B CN 104295662B CN 201410336346 A CN201410336346 A CN 201410336346A CN 104295662 B CN104295662 B CN 104295662B
- Authority
- CN
- China
- Prior art keywords
- vibration damper
- torsional vibration
- friction clutch
- damping
- pendulum
- 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.)
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Links
- 238000013016 damping Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims description 24
- 230000010355 oscillation Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- BPPVUXSMLBXYGG-UHFFFAOYSA-N 4-[3-(4,5-dihydro-1,2-oxazol-3-yl)-2-methyl-4-methylsulfonylbenzoyl]-2-methyl-1h-pyrazol-3-one Chemical compound CC1=C(C(=O)C=2C(N(C)NC=2)=O)C=CC(S(C)(=O)=O)=C1C1=NOCC1 BPPVUXSMLBXYGG-UHFFFAOYSA-N 0.000 description 1
- 241001091551 Clio Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
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
- F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
-
- 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
- F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
- F16F15/162—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material with forced fluid circulation
-
- 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
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/131—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
-
- 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
-
- 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
-
- 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)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention relates to a torsional vibration damper for a rotatable carrier unit having a center of rotation, having at least the following components: a centrifugal force pendulum having a plurality of pendulum masses; damping and/or biasing means for adaptively influencing the natural frequency of the centrifugal force pendulum, wherein the damping and/or biasing means acts on at least one of the pendulum masses. The torsional vibration damper proposed here makes it possible to compensate for different frequencies in the motor vehicle, in particular low frequencies during starting and high frequencies during driving operation of the motor vehicle, in a simple manner.
Description
Technical field
The present invention relates to a kind of torsional vibration dampers, for the rotatable load bearing unit with rotation center, particularly for rubbing
Wipe clutch, torque armature or double quality wig-wags.
Background technique
Engine is used in modern automotive, they are run more and more with the slow-speed of revolution.Precisely at this low turn
The intrinsic frequency of the component in the power train of motor vehicle or in vehicle body is met with when fast.Therefore this low frequency must just be compensated.
Thus for example it is known that using centrifugal force pendulum, wherein in order to which damp low-frequency must use high quality.Its defect is high quality
The efficiency of inertia reduction torque transfer.Furthermore with the increase of quality must increase this centrifugal force pendulum structure size and/or
Manufacturing cost.Furthermore occurs especially low intrinsic frequency under individual cases, such as at the start.But centrifugal force pendulum exists in this way
Defect: it is only applicable to determining frequency spectrum.
Summary of the invention
Therefore, the task of the present invention is at least partly overcome the defect being known from the state of the art.The task passes through following
Technical solution solves.
The present invention relates to a kind of torsional vibration dampers, for the rotatable load bearing unit with rotation center, the torsional oscillation vibration damping
Device at least has following component:
- one centrifugal force pendulum with multiple pendulum masses；
- one for adaptedly influence centrifugal force pendulum intrinsic frequency damping and/or biased device, wherein the damping and/
Or biased device acts at least one of described pendulum mass.
The torsional vibration damper proposed herein includes a centrifugal force pendulum with multiple pendulum masses, as substantially by existing
As technology is known.Here, multiple, usual four pendulum masses are fixed on a rotatable disk, which referred to herein as can
The load bearing unit of rotation, wherein these pendulum masses have free movement space.Common conversion scheme is that pendulum mass is in pin shaft
On be suspended on rotatable load bearing unit, wherein the receiver hole of pendulum mass is curved elongated hole, so that pendulum mass is in pin shaft
On can be moved along the elongated hole.Here, pendulum mass and elongated hole are designed in this way, so that pendulum mass is in predetermined frequency
Implement vibration damping vibration, thereby compensates for intrinsic vibration.In order to by the function of centrifugal force pendulum from a predetermined frequency expansion to multiple
In frequency, it is proposed here, use the damping of an intrinsic frequency for adaptedly influencing centrifugal force pendulum and/or biased device.
This damping and/or biased device are, for example:
It is used for the pressure chamber of fluid, which at least partly to contact with the generation of at least one pendulum mass, wherein pressure
Pressure in power chamber is variation；
Magnetic field；And/or
Electrostatic force.
The device generates damping and/or bias at least one of described pendulum mass, so that intrinsic frequency is due to this
Damping and/or bias and change.The damping and/or bias can for example be generated by magnetic field, which is variation.It can also be with
It is that the damping and/or bias are generated by electrostatic force.Particularly preferably using the damper of adaptation.The damper of this adaptation can
To change by adjusting resisting medium, such as Fluid pressure or the bias by changing damper.Particularly preferably, by
The pressure chamber arranged at centrifugal force pendulum generates the direct transmitting at least one of the pendulum mass.The pressure chamber is, for example,
A part of the moist chamber of wet friction clutch, wherein the fluid of the pressure chamber is then the coolant liquid of friction clutch.
In the configuration with pressure chamber, thus it is possible to vary the pressure of the fluid in pressure chamber.It is especially load in pressure chamber
Chamber can change pressure by the pump of the usually existing forced convertion for coolant liquid in the case where implementing.Therefore by being somebody's turn to do
Device realizes bias or damping at least one of the pendulum mass of the centrifugal force pendulum, thus.Centrifugal force pendulum it is intrinsic
Frequency is variation.Therefore some other frequencies especially can effectively be damped.Particularly preferably, pass through the pump production for fluid
Raw vibration, the vibration are passed at least one described pendulum mass.
According to another Advantageous embodiments of the torsional vibration damper, the damping and/or biased device are a pressure chambers
And the pressure due to load bearing unit angular speed and change.
In this preferred embodiment, liquid is accelerated outward according to the rotation speed of load bearing unit, as a result, pressure
Pressure in chamber increases with angular speed.Its effect is, intrinsic frequency be when the angular speed of load bearing unit is low it is low and
The high Shi Tigao of the angular speed of load bearing unit.This just describes this characteristic: for example existing in a motor vehicle when having these characteristics
Occur low frequency when starting and occurs relatively high frequency in full loading operation.This point can realize particularly effectively,
If the pressure chamber is a part of the moist chamber of friction clutch.
According to another Advantageous embodiments of the torsional vibration damper, the damping and/or biased device are a pressure chambers
And the pressure changes due to increasing liquid importing and/or reducing liquid export.
According to the Advantageous embodiments, pressure is changed by (additionally), and mode is that liquid is directed through pump to increase
And/or it is reduced by dump valve.If the pressure chamber constitutes a part of moist chamber, so that for coolant liquid forced convertion
Pump can be by for this purpose, which is also particularly advantageous together.
According to another Advantageous embodiments of the torsional vibration damper, the damping and/or biased device are a pressure chambers
And the liquid flows on the inside of at least one pendulum mass.
The advantages of configuration is that variation at least one pendulum mass by described in of the pressure is preferably in one direction, i.e.
It presses outward.Thus the effect can especially be strengthened: exporting liquid in the side of such pendulum mass, so that on the outside of pendulum mass
Fluid pressure it is especially small, pressure drop occurs and especially big in pendulum mass.If the pressure in pressure chamber is due to carrying list
Member angular speed and change, which is particularly advantageous.The liquid radially outward accelerated then collides the inside of pendulum mass
Upper (inside is usually curved) and the therefore responsible bias to pendulum mass.
It is another aspect of this invention to provide that also propose a kind of friction clutch, for the disengagable of output shaft and power train
Connection, which at least has following component:
At least one friction plate group can transmit torque by it in impaction state；
At least one load bearing unit, for receiving torsional vibration damper；With
At least one torsional vibration damper as described above at least one load bearing unit.
This friction clutch is especially set to be used in a motor vehicle, wherein driving unit, especially internal combustion engine is defeated
Shaft can realize disengagable company by the friction clutch with power train, the slave unit especially with driving wheel for motor vehicle
It connects.Friction plate group is used herein, wherein squeezing disk and at least one frictional disk can mutually compress, so that rubbing by what is acted on
Torque can be transmitted by wiping power.Here, the friction clutch has at least one load bearing unit, it for example can be friction plate group
Component part, but be also possible to an additional member of friction clutch.At this point it can be pointed out that above-mentioned torsional vibration damper can also
To be arranged on other load bearing units in torque transfer system, such as in a motor vehicle between internal combustion engine and shift transmission.
The torsional vibration damper is arranged in above-mentioned friction clutch and realizes the compensation to different natural frequencies, should
Intrinsic frequency may cause the vibration of friction clutch and/or power train or motor vehicle.It is advantageous for this friction clutch
, the quantity or expansion that torsional vibration damper or centrifugal force pendulum can be reduced compared with known friction clutch can be subtracted
The frequency spectrum of the intrinsic frequency of vibration, without increasing or obviously increasing friction clutch.
According to another Advantageous embodiments of the friction clutch, constitutes to the friction clutch wet type and have wet
Room.
Above-mentioned torsional vibration damper is particularly advantageously used when friction clutch is implemented, because of the torsional vibration damper
It can have the quality of reduction compared with the centrifugal force pendulum being known from the state of the art.Pass through the torsional oscillation vibration damping proposed herein
Device, it is particularly possible to compensated by using the moist chamber in friction clutch due to (movement) quality increased with coolant liquid and
Reduced efficiency.
According to another Advantageous embodiments of the friction clutch, the damping and/or biased device are a pressure chambers
And the moist chamber includes the pressure chamber.
In the particularly advantageous embodiment of friction clutch, it can will change the function and moist chamber of damping frequency
Using intercombination, the additional installation space needed is thus reduced, or can even save installation space.Especially, pressure
Pressure in chamber due to the rotary part in friction clutch angular speed and relatively to change with centrifugal force be to have this torsion
The particularly effective method of operation of the friction clutch of vibration damper.
According to another Advantageous embodiments of the friction clutch, radially-inwardly it is staggered in moist chamber relative to pressure chamber
At least one liquid outlet is arranged in ground in the region of at least one of the pendulum mass, so that the variation of the pressure in moist chamber
On the inside of pendulum mass involved in mainly acting on.
Can be realized by friction clutch this particularly advantageous configuration, at least one described pendulum mass from it is interior to
Outer generation pressure drop.This is advantageous particularly with a kind of implementation, and in the implementation, the pressure in pressure chamber will be according to angular speed
It controls, because accelerated liquid is collided on centrifugal direction at least one described pendulum mass herein.The effect can be with
It is exported and is supported in lateral outer in pendulum mass by liquid.Thus increase the pressure drop in pendulum mass.
For another aspect according to the invention it is also proposed that a kind of motor vehicle, it includes a driving unit with output shaft, one
Power train and a friction clutch as described above.
Most of motor vehicles have pre-driver device at present, therefore preferably by driving unit such as internal combustion engine or electricity
Motivation is arranged in front of driver's cabin and in the transverse direction of main driving direction.Exactly in the case where being arranged so, installation space is special
It is not small, therefore particularly advantageously, use the friction clutch of small structure size.
Installation space is in poor shape in the car of the car grade according to Europe classification.In small rank motor vehicle car
Used in equipment be not obviously reduced compared with compared with the car of cart rank.But the available installation space in trolley
It is significantly smaller.Therefore, torsional vibration damper stated above is particularly advantageous modern low-speed running internal combustion engine, this
Kind engine is especially increasingly being used in compact car.Therefore certain bandwidth of this torsional vibration damper usable frequency is simultaneously saved
Use multiple centrifugal force pendulums.Car carries out motor car class according to such as size, price, weight, power, and this definition is always pressed
According to the market demand in variation.It is corresponded on American market according to the trolley of Europe classification and the vehicle of most trolley rank
The compact vehicle of low side (subcompact car) rank corresponds to super mini car (supermini) rank, example on English market
Such as city car (City Car) rank.The example of most trolley rank is the Fox of the public company or Twingo of RJ Reynolds Tobacco Holdings ,Inc..It is small
The example of vehicle rank be the Mito of Alpha Luo Miou company, the Polo of public company, Ford Fiesta or Reynolds
The Clio of company.
The feature individually enumerated in this application can be combined in arbitrary, technically significant mode, and can
To be supplemented by the details in the explanatory content and attached drawing in specification, other implementations of the invention are shown in the accompanying drawings and become
Type.
Detailed description of the invention
The present invention and technical field are explained in detail by attached drawing below.Attached drawing shows particularly preferred embodiment, still
The present invention is not limited to these embodiments.Especially it is to be noted, that attached drawing, especially shown in dimension scale be only illustrative.Attached drawing
It shows:
Fig. 1 torsional vibration damper, and
Fig. 2 has the motor vehicle of friction clutch.
Specific embodiment
Fig. 1 shows the part of torsional vibration damper 1, wherein pendulum mass 2 is suspended on load bearing unit 3.Liquid outlet 4 is located at
Below pendulum mass 2, by the liquid outlet, liquid 5 can be entered in pressure chamber, and damping and/or bias box is consequently formed
Part 8.Pendulum mass 2 forms centrifugal force pendulum 7 on load bearing unit 3.The liquid 5 of entrance mainly acts on the inside 14 of pendulum mass 2
And pressure drop therefore is generated in pendulum mass 2.
Motor vehicle 15 is shown in FIG. 2, it has driving unit 16 before its driver's cabin 17, and engine axis 19 is horizontal
To in the longitudinal axis 18 of motor vehicle 15, which is showed schematically herein with internal combustion engine.Driving unit 16 passes through
Its output shaft 10 can be removably connectable by friction clutch 9 with the pure power train 11 schematically shown.It is rubbing thus
Friction plate group 12 is equipped in clutch 9, which is arranged in moist chamber 13.Furthermore it is equipped with load bearing unit in this embodiment
3, which for example can be double quality wig-wags, it receives torsional vibration damper 1, such as torsional oscillation vibration damping shown in Fig. 1
Device.The rotary part of friction clutch 9 surrounds the rotation of rotation center 6 herein, which is overlapped with engine axis 19.
By the torsional vibration damper proposed herein, different frequencies, especially machine can be compensated with simple means
High-frequency when low frequency and motor-driven vehicle going when motor-car starts are run.
Reference signs list
1 torsional vibration damper
2 pendulum masses
3 load bearing units
4 liquid outlets
5 liquid
6 rotation centers
7 centrifugal force pendulums
8 dampings and/or biased device
9 friction clutches
10 output shafts
11 power trains
12 friction plate groups
13 moist chambers
14 insides
15 motor vehicles
16 driving units
17 driver's cabins
18 longitudinal axis
19 engine axis
Claims (9)
1. torsional vibration damper (1), for the rotatable load bearing unit (3) with rotation center (6), the torsional vibration damper is at least
With following component:
Centrifugal force pendulum (7) with multiple pendulum masses (2)；
For adaptedly influence centrifugal force pendulum (7) intrinsic frequency damping and/or biased device (8), wherein the damping and/
Or biased device (8) acts at least one pendulum mass in the pendulum mass (2).
2. torsional vibration damper (1) as described in claim 1, wherein it is described damping and/or biased device (8) be a pressure chamber
And the pressure due to the load bearing unit (3) angular speed and change.
3. torsional vibration damper (1) as claimed in claim 1 or 2, wherein it is described damping and/or biased device (8) be a pressure
Chamber and the pressure import and/or reduce liquid (5) export due to increasing liquid (5) and changes.
4. such as above-mentioned torsional vibration damper (1) of any of claims 1 or 2, wherein the damping and/or biased device (8) are one
Pressure chamber and liquid (5) flows on the inside of at least one pendulum mass (2).
5. the friction clutch (9) with rotation axis, for being removably connectable output shaft (10) with power train (11), until
There is following component less:
At least one friction plate group (12) can transmit torque under impaction state by it；
At least one load bearing unit (3), for receiving torsional vibration damper (1)；With
At least one torsional oscillation as described in any one of the preceding claims at least one described load bearing unit (3) subtracts
It shakes device (1).
6. friction clutch (9) as claimed in claim 5, wherein constitute and have to friction clutch (9) wet type
Moist chamber (13).
7. friction clutch (9) as claimed in claim 6, wherein it is described damping and/or biased device (8) be a pressure chamber
And the moist chamber (13) includes the pressure chamber.
8. friction clutch (9) as claimed in claim 7, wherein relative to the pressure chamber diameter in the moist chamber (13)
At least one liquid outlet (4) is equipped in the region of at least one pendulum mass in the pendulum mass (2) with being staggered to inside,
So that the variation of the pressure in the moist chamber (13) mainly acts on the inside (14) of related pendulum mass (2).
9. motor vehicle (15), want with a driving unit (16) with output shaft (10), a power train (11) and just like right
Friction clutch described in asking any one of 5 to 8 (9).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013213873.3 | 2013-07-16 | ||
| DE102013213873 | 2013-07-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104295662A CN104295662A (en) | 2015-01-21 |
| CN104295662B true CN104295662B (en) | 2019-10-01 |
Family
ID=52131562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410336346.9A Active CN104295662B (en) | 2013-07-16 | 2014-07-15 | Torsional vibration damper |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104295662B (en) |
| DE (1) | DE102014212809A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016202178B4 (en) * | 2016-02-12 | 2024-04-25 | Bayerische Motoren Werke Aktiengesellschaft | Device for reducing torsional vibrations in a drive train and method for operating such a device |
| FR3070463A1 (en) * | 2017-08-30 | 2019-03-01 | Valeo Embrayages | DRY PENDULUM DAMPING DEVICE |
| DE102019204710A1 (en) * | 2019-04-03 | 2020-10-08 | Zf Friedrichshafen Ag | Damper system |
| CN110006658B (en) * | 2019-04-10 | 2020-11-20 | 哈尔滨工程大学 | Monitoring method for the influence of frictional force of cylinder liner of reciprocating equipment on torsional vibration of shafting |
| CN110043573B (en) * | 2019-05-15 | 2023-10-10 | 浙江华信汽车零部件有限公司 | Novel high-precision vibration reduction clutch driven disc assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2694947A (en) * | 1948-09-17 | 1954-11-23 | Sarazin Gilles Francois | Torsional vibration dynamic damper |
| EP0972965A1 (en) * | 1998-07-11 | 2000-01-19 | Firma Carl Freudenberg | Rotational speed adaptive damper |
| CN102667201A (en) * | 2009-12-21 | 2012-09-12 | 舍弗勒技术股份两合公司 | Device with plug connection |
| CN103148163A (en) * | 2011-12-07 | 2013-06-12 | 舍弗勒技术股份两合公司 | Centrifugal force pendulum with damper |
| CN103180633A (en) * | 2010-08-23 | 2013-06-26 | 株式会社普利司通 | Torque rod and engine mount system using same |
-
2014
- 2014-07-02 DE DE102014212809.9A patent/DE102014212809A1/en not_active Withdrawn
- 2014-07-15 CN CN201410336346.9A patent/CN104295662B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2694947A (en) * | 1948-09-17 | 1954-11-23 | Sarazin Gilles Francois | Torsional vibration dynamic damper |
| EP0972965A1 (en) * | 1998-07-11 | 2000-01-19 | Firma Carl Freudenberg | Rotational speed adaptive damper |
| CN102667201A (en) * | 2009-12-21 | 2012-09-12 | 舍弗勒技术股份两合公司 | Device with plug connection |
| CN103180633A (en) * | 2010-08-23 | 2013-06-26 | 株式会社普利司通 | Torque rod and engine mount system using same |
| CN103148163A (en) * | 2011-12-07 | 2013-06-12 | 舍弗勒技术股份两合公司 | Centrifugal force pendulum with damper |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014212809A1 (en) | 2015-01-22 |
| CN104295662A (en) | 2015-01-21 |
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