CN110107650B - Dual-mass flywheel and automobile - Google Patents
Dual-mass flywheel and automobile Download PDFInfo
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- CN110107650B CN110107650B CN201910312571.1A CN201910312571A CN110107650B CN 110107650 B CN110107650 B CN 110107650B CN 201910312571 A CN201910312571 A CN 201910312571A CN 110107650 B CN110107650 B CN 110107650B
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- mass flywheel
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- spring
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- 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
- F16F15/133—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 using springs as elastic members, e.g. metallic springs
- F16F15/134—Wound springs
- F16F15/1343—Wound springs characterised by the spring mounting
- F16F15/13438—End-caps for springs
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- 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
- F16F15/133—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 using springs as elastic members, e.g. metallic springs
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- 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
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
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- 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
- F16F15/30—Flywheels
- F16F15/315—Flywheels characterised by their supporting arrangement, e.g. mountings, cages, securing inertia member to shaft
Abstract
The invention discloses a dual-mass flywheel, which comprises a first mass flywheel, a second mass flywheel and a vibration damper; one side of the first mass flywheel is connected with the engine, and the other side of the first mass flywheel is connected with the flange plate; the second mass flywheel is connected with the transmission; the vibration damping device is arranged between the first mass flywheel and the second mass flywheel and drives the flange plate to further drive the second mass flywheel to rotate; damping device includes the edge a plurality of arc elastic component of ring flange periphery evenly distributed, the first end and the ring flange of arc elastic component are connected, the second end connection of arc elastic component is used for tensile or compression the counterweight of arc elastic component. The invention also discloses an automobile with the dual-mass flywheel. Compared with the prior art, the vibration damping device has the advantages of fewer parts, lower cost, effective improvement of the problem of higher noise of the engine during starting and stopping, and better vibration damping effect.
Description
Technical Field
The invention relates to the technical field of automobile engines, in particular to a dual-mass flywheel and an automobile with the same.
Background
The engine of the automobile obtains energy through deflagration, and during working, due to a plurality of factors such as the pressure value of combusted gas, the ignition sequence of the engine, the rigidity of a crankshaft system and the like, the rotating speed output by the engine is often fluctuated in different degrees, so that the torque fluctuation exists during the torque output, and the problems of noise and abnormal vibration of the whole automobile are caused during the operation of a transmission gear. The fluctuation frequency changes with the rotating speed of the engine, namely the excitation frequency of the engine. In addition, the rigidity of the transmission system of the automobile is high, so that the excitation frequency of an engine cannot be completely avoided, system resonance is easily generated during torque transmission, abnormal vibration is generated on a power system, an automobile body and the like of the automobile, the smoothness and the comfort of the whole automobile are affected, noise and vibration are generated, and the service life of parts is also damaged.
With the continuous improvement of the requirement of people on the riding comfort of the automobile, the requirement on the performance of a transmission system of the automobile is also improved. In the prior automobile transmission system, a pendulum vibration absorption device is arranged on a dual-mass flywheel, and the vibration absorption function is realized through a plurality of pendulum structures. However, the existing pendulum vibration absorbing device has the disadvantages of complex structural design, more parts, higher processing requirement, higher production cost, larger torque fluctuation when the engine is started and stopped, possibility of the pendulum structure of the pendulum vibration absorbing device colliding with a flange of a dual-mass flywheel to generate a new noise source, and poor vibration absorbing effect.
Disclosure of Invention
The invention aims to provide a dual-mass flywheel, which is used for overcoming the technical problems of complex structure, poor vibration damping effect, higher cost and the like of the dual-mass flywheel in the prior art.
A dual mass flywheel comprises a first mass flywheel, a second mass flywheel and a damping device; one side of the first mass flywheel is connected with the engine, and the other side of the first mass flywheel is connected with the flange plate; the second mass flywheel is connected with the transmission; damping device establishes first quality flywheel with in the middle of the second quality flywheel, damping device includes the edge a plurality of arc elastic components of ring flange periphery evenly distributed, the first end of arc elastic component with the ring flange is connected, the second end connection of arc elastic component is used for tensile or compression the counterweight of arc elastic component.
Furthermore, lugs are arranged at the edge of the flange plate, and the number of the lugs is equal to that of the arc-shaped elastic pieces; a first bowl-shaped part and a second bowl-shaped part are oppositely arranged on two sides of the lug, and the outer surfaces of the bottom of the first bowl-shaped part and the bottom of the second bowl-shaped part are connected with the lug; the inner surface of the bottom of the second bowl-shaped piece is provided with a connecting part, and the connecting part is provided with a connecting hole.
Further, the arc elastic piece is an arc spring, a hooking portion is arranged at the first end of the arc spring, and the hooking portion hooks the connecting hole.
Further, the counterweight is a cylindrical metal piece, and the end face of the counterweight is connected with the second end of the arc-shaped spring in a welding mode.
Furthermore, an arc-shaped groove is formed in the circumferential direction of the surface, facing the second mass flywheel, of the first mass flywheel, the arc-shaped spring is contained in the arc-shaped groove, and when the first mass flywheel rotates, the arc-shaped spring moves in the arc-shaped groove.
Further, the damping device further comprises a stop member, the stop member is an arc-shaped cylinder, an outer circumferential surface of one end of the arc-shaped cylinder is fixedly connected with an inner circumferential surface of the first bowl-shaped member, and when the arc-shaped spring is excessively stretched, the stop member collides with the weight member.
Further, the damping device further comprises a thrust member, the thrust member is a hollow cylinder with a containing cavity, the outer circumferential surface of one end of the hollow cylinder is fixedly connected with the inner circumferential surface of the second bowl-shaped member, the first end of the arc-shaped spring is contained in the containing cavity, and when the arc-shaped spring is excessively compressed, the thrust member collides with the counterweight member.
Further, the stop piece and the thrust piece are made of plastic.
Further, the number of the arc-shaped springs is 2.
Accordingly, the present invention provides a motor vehicle comprising a dual mass flywheel as described above.
The implementation of the invention has the following beneficial effects:
(1) according to the dual-mass flywheel disclosed by the invention, the arc-shaped spring is stretched and compressed under the action of the torque force and the counterweight part so as to absorb the energy of torque fluctuation and change the vibration frequency of a transmission system, so that the dual-mass flywheel has a good vibration reduction effect, and the second mass flywheel can output at a relatively stable rotating speed through the adjustment action of the vibration reduction device. The vibration damper has the advantages of few parts, simple structure and lower manufacturing cost, and can effectively reduce noise and vibration generated by an engine and improve the NVH performance of a vehicle.
(2) According to the dual-mass flywheel disclosed by the invention, when the rotating speed of the engine is lower, the arc-shaped spring is excessively stretched under the action of higher torque force, the stop piece can protect the lug of the flange plate from directly impacting the counterweight, particularly, when the engine is started and stopped, the vibration damping device does not generate extra noise, the vibration damping effect is better, and the riding comfort of a vehicle is improved.
(3) According to the dual-mass flywheel disclosed by the invention, when the rotating speed of the engine is lower and the arc-shaped spring is compressed by a larger torque force, the thrust piece can protect the arc-shaped spring from being excessively compressed, the condition that the spring fails due to permanent deformation is avoided, the performance of the vibration damper is improved, and the service life of the vibration damper is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions and advantages of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a dual mass flywheel (a second mass flywheel is not shown) of the present invention;
FIG. 2 is a schematic view of the construction of the flange of the present invention;
FIG. 3 is a schematic view of the construction of the arcuate spring of the present invention;
FIG. 4 is a schematic view of the stopper of the present invention;
FIG. 5 is a schematic structural view of a thrust member of the present invention;
wherein the reference numerals in the figures correspond to: 1-first mass flywheel, 11-arc groove, 2-flange plate, 3-arc spring, 31-hooking part, 4-counterweight part, 5-lug, 6-first bowl part, 7-second bowl part, 71-connecting hole, 8-stop part and 9-thrust part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following examples. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms first, second, third and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The flywheel is installed between the engine and the speed variator of automobile, and has the functions of storing and releasing kinetic energy to raise the running homogeneity of the engine and to transmit torque to the transmission system of automobile as the driving part of the clutch. In the present embodiment, referring to fig. 1 to 5, a dual mass flywheel is provided, which includes a first mass flywheel 1, a second mass flywheel (not shown in the drawings), and a damping device, one side of the first mass flywheel 1 is connected to an engine for starting and transmitting a rotational torque of the engine, the other side of the first mass flywheel 1 is connected to a flange 2, the flange 2 is coaxially disposed with the first mass flywheel 1 and connected to the damping device, the second mass flywheel is connected to a transmission for increasing a rotational inertia of a transmission device, and the second mass flywheel is rigidly connected to the first mass flywheel. Damping device establishes in the middle of first quality flywheel 1 and second quality flywheel, includes a plurality of arc elastic component that set up along 2 peripheries of ring flange, and a plurality of arc elastic component evenly distributed are in the ring flange periphery. The first end of the arc-shaped elastic part is connected with the flange plate 2, and the second end of the arc-shaped elastic part is connected with a counterweight part 4 for stretching or compressing the arc-shaped elastic part. When the engine drives the first mass flywheel 1 to rotate, the power output by the engine is transmitted to the Vibration damper through the first mass flywheel 1, the Vibration damper absorbs the energy of torque fluctuation, the Vibration frequency of a transmission system is changed, and the fluctuation of the rotating speed is relieved through the adjusting action of the Vibration damper, so that the second mass flywheel can output at a relatively stable rotating speed, the Noise and the Vibration generated by the engine can be effectively reduced, and the NVH (Noise, Vibration and Harshness) performance of a vehicle is improved.
Preferably, the arc-shaped elastic member is an arc-shaped spring 3.
Further preferably, the number of the arc springs 3 is 2, and the 2 arc springs 3 are symmetrically arranged on the periphery of the flange plate 2.
It should be noted that the number of the arc springs 3 is not limited to 2, and may be other numbers, such as 4 or 6, or other arrangements, as long as the same function can be achieved.
In this embodiment, the flange 2 receives torque transmitted from an engine, the flange 2 is provided at its edge with lugs 5, and the number of the lugs 5 is set to be equal to the number of the arc-shaped elastic members. The two sides of the lug 5 are symmetrically provided with a first bowl-shaped part 6 and a second bowl-shaped part 7, the outer surfaces of the bottom of the bowls of the first bowl-shaped part 6 and the second bowl-shaped part 7 are connected with the lug 5, the inner surface of the bottom of the bowl of the second bowl-shaped part 7 is provided with a connecting part, the connecting part is provided with a connecting hole 71, the first end of the arc spring 3 is provided with a hooking part 31, and the hooking part 31 hooks the connecting hole 71 so that the arc spring 3 is connected on the lug 5 of the flange plate 2.
In this embodiment, the weight member 4 is a cylindrical metal member, and in the motion process of the arc spring 3, in order to make the connection of the arc spring 3 and the weight member 4 more stable, the end surface of the weight member 4 is connected with the second end of the arc spring 3 in a welding manner, so that the reliability of the vibration damping structure is ensured in the rotation process of the vibration damping device.
In this embodiment, the surface of the first mass flywheel 1 facing the second mass flywheel is circumferentially provided with an arc-shaped groove 11, the arc-shaped spring 3 is accommodated in the arc-shaped groove 11, and when the engine rotates and is stretched and compressed under the action of the torque and the weight member 4, the arc-shaped spring 3 moves in the arc-shaped groove 11.
In this embodiment, the damping device further includes a stop member 8, the stop member 8 is an arc cylinder, and the shape of the arc cylinder is matched with the arc groove 11, so that the stop member 8 can be accommodated in the arc groove 11. The outer circumferential surface of one end of the arc cylinder is fixedly connected with the inner circumferential surface of the first bowl-shaped member 6, and the stopper 8 collides with the weight member 4 when the arc spring 3 is excessively stretched. When the engine starts and stops, stop member 8 can prevent that arc spring 3 from receiving the tensile time of abnormal force, and extra noise is produced in the direct striking ring flange 2 of counterweight 4, improves the riding comfort of vehicle.
In this embodiment, the damping device further includes a thrust member 9, the thrust member 9 is a hollow cylinder having an accommodating cavity, an outer circumferential surface of one end of the hollow cylinder is fixedly connected to an inner circumferential surface of the second bowl-shaped member 7, the first end of the arc spring 3 is accommodated in the accommodating cavity of the cylinder, when the arc spring 3 is compressed excessively, the thrust member 9 collides with the weight member 4, and when the arc spring is compressed by abnormal force, the thrust member 9 can protect the arc spring 3 from being compressed excessively, thereby avoiding the occurrence of permanent deformation and the failure of the spring, improving the performance of the damping device, and prolonging the service life of the damping device.
Preferably, the material of the stop part 8 and the thrust part 9 is plastic, when the arc-shaped spring 3 is acted by abnormal force, the stop part 8 and the thrust part 9 made of plastic collide with the counterweight part 4, so that the noise generated by collision can be effectively reduced, the extra noise generated by collision between the vibration damping device and the flange plate 2 is avoided, and the vibration damping effect is better.
The material of the stopper 8 and the thrust member 9 is not limited to the above-described plastic, and may be other materials as long as the same function can be achieved.
In this embodiment, the working principle of the vibration damping device is as follows:
when the engine works, if clockwise and anticlockwise rotation speed fluctuation occurs, anticlockwise rotation torque pushes the flange plate 2 to rotate anticlockwise, at the moment, the arc-shaped spring 3 of the vibration damper generates stretching phenomenon under the action of the anticlockwise rotation torque and the counterweight part 4, the stretching process absorbs the energy of the torque fluctuation, the fluctuation of the torque is relieved through the adjusting action of the vibration damper, and then the second mass flywheel is driven to output at a relatively stable rotation speed. When the engine is started and stopped, large torque fluctuation can occur due to low engine rotating speed, the arc-shaped spring 3 is excessively stretched under the action of large torque force, and the stop member 8 connected to the flange plate 2 collides with the weight member 4 at the moment, so that the direct collision between the weight member 4 and the lug 5 of the flange plate 2 is avoided to generate extra noise.
When the engine works, if clockwise rotation speed fluctuation occurs, clockwise rotation torque pushes the flange plate 2 to rotate clockwise, at the moment, the arc-shaped spring 3 of the vibration damper generates a compression phenomenon under the action of the clockwise rotation torque and the counterweight 4, the compression process absorbs the energy of the torque fluctuation, the fluctuation of the torque is relieved through the adjusting action of the vibration damper, and then the second mass flywheel is driven to output at a relatively stable rotation speed. When the abnormal torque fluctuation is large, the thrust piece 9 can protect the arc-shaped spring 3 from being compressed excessively, the situation that the spring fails due to permanent deformation is avoided, and the performance of the vibration damper is improved.
Another embodiment of the present invention provides an automobile including the dual mass flywheel of the above embodiment.
The above embodiment of the invention has the following beneficial effects:
(1) according to the dual-mass flywheel disclosed by the invention, the arc-shaped spring is stretched and compressed under the action of the torque force and the counterweight part so as to absorb the energy of torque fluctuation and change the vibration frequency of a transmission system, so that the dual-mass flywheel has a good vibration reduction effect, and the second mass flywheel can output at a relatively stable rotating speed through the adjustment action of the vibration reduction device. The vibration damper has the advantages of few parts, simple structure and lower manufacturing cost, and can effectively reduce noise and vibration generated by an engine and improve the NVH performance of a vehicle.
(2) According to the dual-mass flywheel disclosed by the invention, when the rotating speed of an engine is lower and the arc-shaped spring is excessively stretched under the action of larger torque force, the stop piece can protect the lug of the flange plate from directly impacting the counterweight, particularly when the engine is started and stopped, the vibration damping device cannot generate extra noise, the vibration damping effect is better, and the riding comfort of a vehicle is improved.
(3) According to the dual-mass flywheel disclosed by the invention, when the rotating speed of the engine is lower and the arc-shaped spring is compressed by a larger torque force, the thrust piece can protect the arc-shaped spring from being excessively compressed, the condition that the spring fails due to permanent deformation is avoided, the performance of the vibration damper is improved, and the service life of the vibration damper is prolonged.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A dual mass flywheel, characterized by comprising a first mass flywheel (1), a second mass flywheel and a damping device;
one side of the first mass flywheel (1) is connected with an engine, and the other side of the first mass flywheel (1) is connected with the flange plate (2); the second mass flywheel is connected with the transmission;
the vibration damper is arranged between the first mass flywheel (1) and the second mass flywheel, the vibration damper comprises a plurality of arc-shaped elastic pieces which are uniformly distributed along the periphery of the flange plate (2), the first ends of the arc-shaped elastic pieces are connected with the flange plate (2), the second ends of the arc-shaped elastic pieces are connected with a counterweight piece (4) used for stretching or compressing the arc-shaped elastic pieces, and the arc-shaped elastic pieces are arc-shaped springs (3);
the damping device further comprises a stop piece (8), wherein the stop piece (8) is arranged on the circumferential direction of the flange plate (2), and when the arc-shaped spring (3) is stretched excessively, the stop piece (8) is used for colliding with the weight piece (4).
2. A twin mass flywheel as defined in claim 1 in which the flange (2) is provided at its edge with lugs (5), the number of lugs (5) being equal to the number of arcuate springs; a first bowl-shaped part (6) and a second bowl-shaped part (7) are symmetrically arranged on two sides of the lug (5), and the outer surfaces of the bottom of the first bowl-shaped part (6) and the bottom of the second bowl-shaped part (7) are connected with the lug (5); the inner surface of the bottom of the second bowl-shaped part (7) is provided with a connecting part, and the connecting part is provided with a connecting hole (71).
3. A twin mass flywheel as defined in claim 2 in which the first end of the arcuate spring (3) is provided with a hooking portion (31), the hooking portion (31) hooking the attachment hole (71).
4. A twin mass flywheel as defined in claim 3 in which the counterweight (4) is a cylindrical metal piece and the end face of the counterweight (4) is connected to the second end of the arcuate spring (3) by welding.
5. A twin mass flywheel as defined in claim 4 in which the surface of the first mass flywheel (1) facing the second mass flywheel has an arcuate slot (11) cut circumferentially, the arcuate spring (3) being received in the arcuate slot (11), the arcuate spring (3) moving in the arcuate slot (11) when the first mass flywheel (1) is rotated.
6. A twin mass flywheel as defined in claim 2 in which the stop (8) is an arc-shaped cylinder having an outer circumferential surface at one end fixedly connected to an inner circumferential surface of the first bowl (6).
7. A twin mass flywheel as defined in claim 2 or 6 in which the damping means further comprises a thrust member (9), the thrust member (9) being a hollow cylindrical body having a receiving cavity, the outer circumferential surface of one end of the hollow cylindrical body being fixedly connected to the inner circumferential surface of the second bowl-shaped member (7), the first end of the arcuate spring (3) being received in the receiving cavity, the thrust member (9) striking the counterweight member (4) when the arcuate spring (3) is over-compressed.
8. A twin mass flywheel as defined in claim 7 in which the material of the stop (8) and the thrust piece (9) are both plastics.
9. A twin mass flywheel as defined in claim 8 in which the number of arcuate springs (3) is 2.
10. An automobile, characterized by comprising a dual mass flywheel according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910312571.1A CN110107650B (en) | 2019-04-18 | 2019-04-18 | Dual-mass flywheel and automobile |
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| CN201910312571.1A CN110107650B (en) | 2019-04-18 | 2019-04-18 | Dual-mass flywheel and automobile |
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| CN110107650B true CN110107650B (en) | 2021-06-01 |
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| CN101205960A (en) * | 2006-12-18 | 2008-06-25 | 三星光州电子株式会社 | Crankshaft of reciprocal compressor |
| KR100888141B1 (en) * | 2007-12-04 | 2009-03-13 | 주식회사평화발레오 | Dual mass flywheel having multiplex torsion characteristics |
| CN202132184U (en) * | 2011-05-10 | 2012-02-01 | 华锐风电科技(集团)股份有限公司 | Vibration damper of wind turbine generator system tower |
| DE102012202661A1 (en) * | 2012-02-21 | 2013-08-22 | Tobias Neuwirth | Momentum element device i.e. spring flywheel, for use as mechanical energy converter in e.g. car, has storage device for coupling momentum element and rotor, where ends of device are connected with momentum element and rotor, respectively |
| CN106151367A (en) * | 2015-05-11 | 2016-11-23 | 现代自动车株式会社 | Damper of vehicle |
| CN207523351U (en) * | 2017-11-09 | 2018-06-22 | 济宁运河机械有限公司 | A kind of single width plate guides wheel construction |
| CN107816508A (en) * | 2017-11-17 | 2018-03-20 | 合肥工业大学 | A kind of torsional vibration damper and clutch of integrated dynamic vibration absorber |
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| CN110107650A (en) | 2019-08-09 |
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Effective date of registration: 20220322 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Yiwu Geely power assembly Co., Ltd Address before: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee before: Yiwu Geely Engine Co., Ltd |