CN1786510A - Damper - Google Patents
Damper Download PDFInfo
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- CN1786510A CN1786510A CN 200410075501 CN200410075501A CN1786510A CN 1786510 A CN1786510 A CN 1786510A CN 200410075501 CN200410075501 CN 200410075501 CN 200410075501 A CN200410075501 A CN 200410075501A CN 1786510 A CN1786510 A CN 1786510A
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- damping
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to a vibration-absorbing dissipative damper, which comprises a cylinder body and a moving body. The moving body is partly located in the cylinder. At least one cavity extending along the shaft is disposed in the cylinder. Viscous damping liquid is filled in the cavity and formed damping cavity. The moving body is made up of moving vanes disposed in the damping cavity. A shearing cavity is formed via the moving vanes and the damping cavity wall.
Description
Technical field
The present invention relates to a kind of vibration control apparatus, the oscillation damping and energy dissipating damper of the vibration damper of a kind of damper, especially vehicle suspension system and building structure.
Background technique
Damper is a kind of widely used vibration control primary element, is used for vibration damping, buffering, the power consumption of machinery, the traffic tool, bridge, building structure.
Common damper is a hydraulic oil cylinder type, piston is only axially moving mutually with respect to oil cylinder, be referred to as the single shaft damper, it is by kinetoplast, the kinetoplast bar, cylinder body and sealing are formed, kinetoplast is generally cylindrical, kinetoplast be provided with some apertures or and cylinder body between leave suitable radial clearance, kinetoplast is divided into two kinetoplast chambeies with oil cylinder, is filled with the high slightly viscous liquid of hydraulic oil or viscosity in the kinetoplast chamber, as silicone oil, when kinetoplast moves with respect to oil cylinder, be enclosed within the moving endoceliac liquid of pressurized one side and be squeezed, pressure raises, and driven member gap or aperture flow to another kinetoplast chamber, two kinetoplast cavity pressure differences form the resistance to motion to kinetoplast, acting is converted into heat energy with mechanical energy, thereby reaches the purpose that absorbs outside energy, therefore can be widely used in damping, buffering, the occasion of power consumption is as vehicle suspension system and building energy-dissipating and shock-absorbing.
This damper is updated through decades, and is very perfect.But because the structure aspect, have born defective: 1) since sealing and piston rod and with the static friction and the sliding friction of piston and damped cylinder, the resistance of start is bigger, do the time spent at little amplitude, damping force and velocity correlation are relatively poor, cause the theoretical calculation complexity, and error is bigger; 2) must adopt tight sealing, but Sealing wearing and tearing or aging easily, in case seal failure, pressure difference can't be set up, damping capacity will be lost rapidly; 3) the design of part complexity, quantity is many, requirement on machining accuracy is high, so cost height; 4) damping capacity is relatively more responsive to the reliability of machining accuracy, part, in case strength member such as valve invalidation, damping capacity descends rapidly or lost efficacy; The part was sheared by high pressure when 5) damping liquid was by orifice restriction, and instantaneous heating up is higher, and long term is aging easily down, causes damper to lose efficacy; 6) sludge and wear particle thing influence damping parameter in the damping liquid, and quicken damper and destroy; Owing to above reason, the vibration damper of this form, except high-quality famous brand products, the general life-span is lower, and low-grade automobile absorber even every half a year are just changed once, cause a large amount of wastings of resources, befouling environment.
Summary of the invention
Purpose of the present invention is exactly in order to overcome above-mentioned defective, a kind of single shaft damper that adopts new principle and new structure is provided, make it have advantages such as damping characteristic is soft, simple in structure, cost is low, stable performance, life-span length, regeneration easily, the characteristics of environmental protection.
The present invention is following realization:
Described damper, it comprises cylinder body and kinetoplast, kinetoplast is positioned at cylinder body at least in part, be provided with the chamber that at least one extends vertically in the cylinder body, be filled with viscous damping liquid in this chamber, form the damping chamber, kinetoplast is arranged on the indoor moving vane of damping cavity by correspondence and forms, moving vane and damping cavity locular wall constitute shears the chamber, and the thickness size of shearing the chamber is much smaller than its axial dimension.
The stator blade that at least one extends vertically is set in that the damping cavity of cylinder body is indoor, the damping chamber is divided into some being interconnected or mutual disconnected sub-damping chamber, it is indoor that the moving vane correspondence is arranged on sub-damping cavity, moving vane and sub-damping cavity locular wall or stator blade constitute shears the chamber, and the thickness of shearing the chamber is much smaller than its axial dimension.
For the spacing between the blade time is remained unchanged in motion, and kinetoplast only does axial relative movement with respect to cylinder body, is provided with axial guide between kinetoplast and cylinder body, and axial guide is slide-and-guide or elastic guide.
In order to obtain bigger damping force under same boundary dimension, damping chamber or shearing chamber have a plurality of, be arranged in parallel each other, or concentric arrangement, perhaps a plurality of chamber concentric arrangement are arranged in parallel then; Concavo-convex, through hole, stupefied or ring plate can be set on blade in addition, be used to regulate the damping liquid power of disturbing that flows.
Blade be shaped as tubulose or column or tabular, the shape of its outer surface cross section can be circle, oval or polygonal, and is wherein preferential with concentric pipe or square tube.
This damper is not necessarily to need sealing, if damper substantially at vertical to work, the damping chamber opening upwards, or the angle of inclination is little, can seal, or only make dust sealing.If Open Side Down for the damping chamber, or the angle of inclination should be provided with seal arrangement when big between kinetoplast and cylinder body; Seal arrangement can be slipper seal, and as adopting elastic seal ring, the O RunddichtringO also can be a flexible sealing, as rubber seal, the wavy metal seal of tube;
The net volume of damping chamber changes thereupon during the kinetoplast motion, therefore is provided with the volume compensation device at least one place of damper.The volume compensation device is to be arranged at least one indoor elastic compensating body of damping cavity; The volume compensation device comprises a volume compensation chamber that is communicated with the damping chamber, is provided with one or several elastic compensating bodies in the volume compensation chamber; The elastic compensating body is an air bag, or an outer surface is provided with the elastic foam of airtight elasitic layer; Be that the volume compensation device is an elastic bag, the one side is communicated with the damping chamber, the opposite side compressed air suits, or be provided with elastic foam, or be provided with pressure spring.
Can regulate for the damping size that makes damper, be provided with damping liquid liquid level regulation device and damping liquid fill orifice.
In order further to increase the damping of damper, can also be integrated in the viscous shearing damp device damper during hydraulic pressure, promptly on a blade, be provided with piston, be provided with slipper seal between the blade that piston is adjacent, constitute two piston chamber; Be provided with and appropriate gap between the blade that piston is adjacent, or be provided with some apertures that dam.
The two ends of damper are provided with the flange connection, pin-and-hole connects, or at the outer surface of cylinder body and kinetoplast the anchor connection muscle are set.
Viscous damping liquid is the magnetic control rheological fluid, or voltage control rheological fluid, or the higher damping liquid of viscosity, as silicone oil, or first class silicone oil, or polyisobutylene, or normal temperature is liquid modified pitch down.
During damper work, kinetoplast externally moves with respect to cylinder body under the loading vertically, moving vane is sheared the moving vane both sides and is sheared the interior viscous liquid of chamber, because the viscosity of viscous liquid with respect to cylinder body and stator blade relative movement, produce one and hinder the viscous resistance that moving vane moves, this viscous resistance is always opposite with moving direction, and movement velocity is big more, and resistance is big more, thereby consume the external force acting, mechanical energy is converted into heat energy.
Compare with hydraulic damper, damper of the present invention does not produce resistance to motion by the pressure difference of aperture or gap throttling formation, but full-bodied damping liquid forms resistance to motion at the viscous force that moving vane is produced in the shearing chamber, therefore the indoor pressure of damping cavity is lower, the operating mode that is higher than the damping liquid extreme higher position for the damping chamber opening, damper need not sealing, and when having only the damping chamber opening to be lower than the damp liquid extreme higher position, or damper has and dustproof just need seal when requiring; Guiding device also need not be accurate especially, so the frictional force of piston rod and cylinder body is very little, and the resistance of start is less, and damping force and speed are continuous smooth exponential functions, can calculate during design accurately, and is less with actual error; Damper structure of the present invention is simple, no precise part, so cost is low, stable performance, reliable operation; Therefore no wearout parts, it is long to need not maintenance, life-span substantially, can continue use after the maintenance, has regenerative nature, environmental protection.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the structural representation of the embodiment of the invention 2;
Fig. 4 is one of A-A sectional view of Fig. 3;
Fig. 5 be Fig. 3 the A-A sectional view two;
Fig. 6 be Fig. 3 the A-A sectional view three;
Fig. 7 is the structural representation of the embodiment of the invention 3;
Fig. 8 is one of A-A sectional view of Fig. 7;
Fig. 9 be Fig. 7 the A-A sectional view two;
Figure 10 is the structural representation of the embodiment of the invention 4;
Figure 11 is one of A-A sectional view of Figure 10;
Figure 12 be Figure 10 the A-A sectional view two;
Figure 13 is the structural representation of the embodiment of the invention 5;
Figure 14 is the structural representation of the embodiment of the invention 6;
Figure 15 is the structural representation of the embodiment of the invention 7;
Figure 16 is the A-A sectional view of Figure 15.
Embodiment
Referring to Fig. 1,2, it comprises kinetoplast 1 and cylinder body 2, kinetoplast 1 is positioned partially in the circle tube cylinder 2, and cylinder body 2 is done axial motion relatively, is provided with a damping chamber that extends vertically in the cylinder body, the indoor viscous damping liquid 3 that is full of of damping cavity, be made up of a columniform moving vane for normal temperature is the modified emulsifying asphalt of thickness liquid state, kinetoplast 1 down, moving vane is positioned among the damping chamber herein, constitute the shearing chamber with the damping cavity locular wall, the radial dimension of shearing the chamber is much smaller than its axial dimension.The end of cylinder body is provided with cylinder cap 2a, cylinder cap cooperates with the moving vane slide-and-guide, cylinder cap is embedded with sliding ring 5, the end of moving vane is slide-and-guide piece 4b fixedly, and it is crosswise, allows damping liquid to flow through, the indoor volume compensation body 6a that is provided with of damping cavity, it is an air bag, and when moving vane outwards moved, damping chamber net volume increased, form negative pressure, less than the air bag internal pressure, so airbag inflation, the compensation kinetoplast withdraws from the volume that the damping chamber is vacateed, prevent that vacuum from appearring in damping liquid inside, when moving vane outwards moved, situation was opposite, the air bag compression.
During damper work, moving vane 1 is with respect to cylinder body 2 axial motions, shear the interior viscous liquid of chamber around shearing moving vane 1, because the viscosity of viscous liquid produces one and hinders the viscous resistance that moving vane moves, this viscous resistance is always opposite with moving direction, and movement velocity is big more, resistance is big more, thereby consumes the external force acting, and mechanical energy is converted into heat energy.
Compare with hydraulic damper, damper of the present invention does not form resistance to motion by the pressure difference of aperture or gap throttling formation, shear the viscous force formation resistance to motion that full-bodied damping liquid produces moving vane in the chamber but rely on, therefore the indoor pressure of damping cavity is lower, therefore the frictional force of kinetoplast and cylinder body is very little, and the resistance of start is less, and damping force and speed are continuous smooth exponential functions, can calculate during design accurately, less with actual error; Damper structure of the present invention is simple, no precise part, strong robustness, so cost is low, stable performance, reliable operation; Therefore wearout parts is few, and maintenance less, the life-span is long, can continue use after the maintenance, has regenerative nature, environmental protection.
Referring to accompanying drawing 3,4, compare with embodiment 1, be provided with a cylindrical stator blade 2a at cylinder body 2 centers, the damping chamber is become an annular damping cavity, corresponding therewith, the moving vane of kinetoplast 1 is a tubulose, moving vane is positioned among the damping chamber, constitute the shearing chamber with damping cavity locular wall and stator blade 2a, be full of methyl-silicone oil in damping chamber and the shearing chamber, the transverse dimension of shearing the chamber is much smaller than its axial dimension, and the bottom of damping chamber is provided with annular resilient compensation body 6b, damping chamber in kinetoplast top is provided with elastic compensating body 6b, and elastic compensating body 6b is the flexible foaming polyurethane that an outside is provided with airtight elasitic layer.
Compare with embodiment 1, the moving vane of present embodiment has inside and outside two viscous to shear chamber, and two viscous shear planes are arranged during blade movement, has increased viscous resistance; Have two identical guide pad 4b on the moving vane, its shape of cross section is a spline-like, and spline tooth is used for guiding, and interdental space allows damping liquid to flow through, and the ring plate of between cog is the suitable resistance crossed of flow of liquid also, thus the increase damping.
Compare with previous embodiment, do not establish slipper seal on the cylinder cap, but establish flexible gas tight seal, flexible sealing is the rubber ring of sulfuration on cylinder cap, its inboard sulfuration has metal ring, metal ring and kinetoplast welding, and cylinder cap connects with cylinder bolt, be provided with gasket seal between the conjunction plane, guarantee that damping liquid does not leak.Because rubber has good shearing elasticity, can do axial motion at the permission kinetoplast therefore can not have the seal friction resistance well with the damping liquid sealing again simultaneously, can not wear and tear yet; Guiding device also need not be accurate especially because no longer need to take into account seal request, allows to leave suitable radial clearance, therefore can be because of wear out failure yet, and the friction of kinetoplast and cylinder body is very little, and the damper resistance of start is also very little.Damper structure of the present invention is simple, no precise part, strong robustness, so cost is low, stable performance, reliable operation; Therefore no wearout parts, it is long to need not maintenance, life-span substantially, can continue use after the maintenance, has regenerative nature, environmental protection.
This sealing configuration is fit to amplitude and the less operating mode of stroke, if stroke is big or amplitude is bigger, available metal bellows instead of rubber ring.
The cross section of above-mentioned cylinder body and moving vane is a concentric circle, and the stator blade cross section is circle; In the reality, referring to Fig. 5,6, sectional shape also can be that concentric six stupefied pipes are adopted in the cross section of cylinder body and moving vane, and the stator blade cross section is a flat board; Perhaps, it is the steel pipe of concentric runway shape that cross section is adopted in the cross section of cylinder body and moving vane, and the stator blade cross section is a flat board, and this structure can make the width of damper greater than thickness, is convenient to be hidden in the body of wall.Therefore this damper is particularly suitable for building energy dissipating energy damper, because the thickness of sandwich wall is limited.
Referring to accompanying drawing 7,8, compare with embodiment 2, the indoor stator blade of damping cavity in the cylinder body 2 is garden tubulose 2c, kinetoplast 1 is made up of 2 pipe shape moving vanes, form 3 shearing chambeies that are nested with one heart, the bottom of damping chamber is provided with annular resilient compensation body 6b, and the elastic compensating body is the flexible foaming polyurethane that an outside is provided with airtight elasitic layer.The kinetoplast top is provided with a compensation chamber, and compensated cavity is indoor to be provided with airtight elastic membrane 6c, and the one side is filled with pressurized air, and a side is full of damping liquid, and is communicated with the damping chamber, in order to compensate the Volume Changes of damping chamber; In order to increase viscous resistance, the end of internal layer moving vane also is provided with flange formula flow-disturbing ring plate.
Present embodiment has 3 viscous and shears the chamber, can produce bigger damping force.
The cross section of above-mentioned cylinder body, moving vane and stator blade is a concentric circle; In the reality, referring to Fig. 9, sectional shape also can be concentric rectangle.
Compare with previous embodiment, damper is established flexible gas tight seal, and flexible sealing is a rubber bellows set 5c, and the sulfuration of its two ends has flange plate, flange plate respectively with kinetoplast and cylinder cap 2d Bolt Connection, be provided with gasket seal between the conjunction plane, guarantee that damping liquid does not leak; Guiding device need not be accurate especially, allow to leave suitable radial clearance, so the friction of kinetoplast and cylinder body is also very little, and the damper resistance of start is also very little.
Referring to Figure 10,11, compare with embodiment 2, damping chambers in the cylinder body 2 are that cross stator blade 2e is divided into four sub-damping chambers by the cross section, and it is indoor that the moving vane that four cross sections are rectangle lays respectively at sub-damping cavity, and four tabular stator blade 2b are distributed in the moving vane respectively again.Form 8 viscous like this and shear the chamber, can produce bigger damping force; Cylinder body is provided with can hole and the outage of adjusting the damping liquid liquid level, and is provided with plug.
Referring to Figure 12, the cross section is be crisscross arranged in the moving vane of rectangular tube stator blade and moving vane, constitutes some parallel shearing chambers, and is simple in structure, makes easily.
Present embodiment is fit to assembling becomes large-scale damper, as long as increase the group number of damping chamber side by side, just can obtain the damping force of corresponding multiple; Present embodiment damping chamber opening upwards, the liquid level of damping liquid is positioned under the upper edge of cylinder body, sealing can not leaked yet, work as usual, shown in sealing be mainly used in dustproof purpose.
Embodiment 5:
Referring to accompanying drawing 13, relative embodiment 1, the indoor damping liquid of damping cavity is the magnetic control rheological fluid, and cylinder body and moving vane are made by permeability magnetic material, and outer wall of cylinder block is provided with electromagnetic coil 8.Regulate the intensity in magnetic field, the viscosity that can regulate magnetic rheological liquid, thereby the size of adjusting damping force, present embodiment is applicable to the damper that need regulate application, the especially automobile suspension system of damping according to road conditions.
Embodiment 6
Referring to accompanying drawing 14, to compare with embodiment 5, the indoor damping liquid of damping cavity is a voltage control rheological fluid, and cylinder body center stator blade is provided with positive electrode 9, and inboard wall of cylinder block is provided with negative electrode 10, and positive and negative electrode all insulate with the damper exposed parts.Regulate the intensity of electric field, viscosity that can regulating voltage control rheological fluid, thus regulate the size of damping force, present embodiment is applicable to the damper that need regulate application, the especially automobile suspension system of damping according to road conditions.
Embodiment 7
Referring to accompanying drawing 15 and Figure 16, compare with embodiment 2, on stator blade 2a, be provided with piston 11, be provided with slipper seal guide ring 4c between the moving vane 1 that stator blade is adjacent, constitute two piston chamber, because the common hydraulic type damper of ratio of viscosities of damping liquid is much higher, so the sealing guiding cooperates needn't be accurate as the sealing of common hydraulic type damper, can leave the gap, also can leave appropriate gap and some throttling pore between piston and the moving vane, when moving vane is done axial motion, the pressure difference of two-piston chamber forms a damping force, moving vane is sheared the damping liquid of shearing chamber in its outside and is also produced a viscous motion damping force, and the viscous shearing force of the viscous liquid that stator blade and damping cavity are indoor also produces a damping force, so this damper can produce bigger damping force in equal volume.
Also be provided with flexible gas tight seal 5b between kinetoplast and cylinder body, because the length of rubber ring is bigger, itself has leading role, so can save a guide pad 4b.
Outer surface at cylinder body 2 and kinetoplast 1 is welded with anchor bar 12 respectively.
Because this damper does not have precise part, robustness is very strong, anti-destruction and anti-overload ability are very strong, flexible gas tight seal and anchor bar have been adopted again, so this damper can be embedded among the reinforced concrete construction in advance, for example it is embedded in advance the structural joint part between the reservoir dam segmentation dam body, abundant earthquake energy during earthquake, reduce the amplitude of dam body and the degree of cracking of structural joint, guarantee dam safety.
Claims (15)
1. damper, it comprises cylinder body and kinetoplast, kinetoplast is positioned at cylinder body at least in part, it is characterized in that, be provided with the chamber that at least one extends vertically in the cylinder body, be filled with viscous damping liquid in this chamber, form the damping chamber, kinetoplast is arranged on the indoor moving vane of damping cavity by correspondence to be formed, and moving vane and damping cavity locular wall constitute shears the chamber, and the thickness size of shearing the chamber is much smaller than its axial dimension.
2. damper according to claim 1, it is characterized in that, the stator blade that at least one extends vertically is set in that the damping cavity of cylinder body is indoor, the damping chamber is divided into some being interconnected or mutual disconnected sub-damping chamber, it is indoor that moving vane is arranged on sub-damping cavity accordingly, moving vane and sub-damping cavity locular wall or stator blade constitute shears the chamber, and the thickness size of shearing the chamber is much smaller than its axial dimension.
3. according to claim 1 and 2 described dampers, it is characterized in that there are many groups in damping chamber or shearing chamber, are arranged in parallel side by side; Or there are many groups to distribute with one heart; Or be arranged in parallel by many groups concentric chamber.
4. damper according to claim 1 is characterized in that, moving vane, stator blade are tubulose or column or tabular one of at least.
5. damper according to claim 2 is characterized in that, that moving vane, stator blade are provided with one of at least is concavo-convex, through hole, stupefied or ring plate.
6. damper according to claim 1 is characterized in that, is provided with axial guide between cylinder body and kinetoplast.
7. damper according to claim 1 is characterized in that, viscous damping liquid is the magnetic control rheological fluid, or voltage control rheological fluid, or the higher damping liquid of viscosity.
8. damper according to claim 1 is characterized in that, is provided with slipper seal between cylinder body and kinetoplast.
9. damper according to claim 1 is characterized in that, adopts the elasticity gas tight seal to connect between cylinder body and kinetoplast, and it is made up of airtight elastic material or metal bellows, and two ends are tightly connected with cylinder body and kinetoplast respectively.
10. damper according to claim 1, it is characterized in that, the indoor elastic compensating body that is provided with of compensated cavity indoor or that be communicated with the damping chamber in damping cavity, air bag or the wavy metal structure of elastic compensating body for being made by airtight elastic material is filled with pressurized air or is provided with elastic foam or spring in it.
11. damper according to claim 1 is characterized in that, the damping liquid liquid level regulation device is set.
12. damper according to claim 1 is characterized in that, is provided with piston at least one blade of sound blade, is provided with slipper seal between the blade that piston is adjacent, and appropriate gap or some apertures that dams, and constitutes two piston chamber.
13. damper according to claim 1 is characterized in that, on cylinder body or kinetoplast electromagnetic coil is set, cylinder body and blade are made by permeability magnetic material.
14. damper according to claim 1 is characterized in that, between innermost layer sound blade and outermost surface cylinder body electrode is set.
15. damper according to claim 1 is characterized in that, the two ends of damper are provided with the flange connection, pin-and-hole connects, or at the outer surface of cylinder body and kinetoplast the anchor connection muscle are set.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100755012A CN100425860C (en) | 2004-12-11 | 2004-12-11 | Damper |
| PCT/CN2005/002099 WO2006060956A1 (en) | 2004-12-11 | 2005-12-06 | Damper |
| JP2007544718A JP2008523324A (en) | 2004-12-11 | 2005-12-06 | Attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100755012A CN100425860C (en) | 2004-12-11 | 2004-12-11 | Damper |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101886895A Division CN101165362A (en) | 2004-12-11 | 2004-12-11 | Damper possessing axial guiding means |
| CN2008100871399A Division CN101245820B (en) | 2004-12-11 | 2004-12-11 | Damper |
| CNA2007101864364A Division CN101173703A (en) | 2004-12-11 | 2004-12-11 | Damper |
| CN2008100871401A Division CN101245821B (en) | 2004-12-11 | 2004-12-11 | Damper with axial guiding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1786510A true CN1786510A (en) | 2006-06-14 |
| CN100425860C CN100425860C (en) | 2008-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100755012A Active CN100425860C (en) | 2004-12-11 | 2004-12-11 | Damper |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2008523324A (en) |
| CN (1) | CN100425860C (en) |
| WO (1) | WO2006060956A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2008523324A (en) | 2008-07-03 |
| WO2006060956A1 (en) | 2006-06-15 |
| CN100425860C (en) | 2008-10-15 |
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Owner name: GEERGU (QINGDAO) VIBRATION CONTROL CO., LTD. Free format text: FORMER OWNER: GERB (QINGDAO) VIBRATION REDUCING TECHNOLOGY CO., LTD. |
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Effective date of registration: 20110929 Address after: 266071 Shandong city of Qingdao province Hongkong City Road 61 Sunshine Hotel, room 1812 Co-patentee after: Gerb (Qingdao) Vibration Control Co., Ltd. Patentee after: Yin Xuejun Address before: 266071 Shandong city of Qingdao province Hongkong City Road 61 Sunshine Hotel, room 1812 Co-patentee before: GERB (Qingdao) Vibration Damping Technology Co., Ltd. Patentee before: Yin Xuejun |