CN104806673B - A kind of damper housing, damper, suspension frame structure and vehicle - Google Patents
A kind of damper housing, damper, suspension frame structure and vehicle Download PDFInfo
- Publication number
- CN104806673B CN104806673B CN201510204000.8A CN201510204000A CN104806673B CN 104806673 B CN104806673 B CN 104806673B CN 201510204000 A CN201510204000 A CN 201510204000A CN 104806673 B CN104806673 B CN 104806673B
- Authority
- CN
- China
- Prior art keywords
- damping magnet
- housing
- magnet part
- damper
- damping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F6/00—Magnetic springs; Fluid magnetic springs, i.e. magnetic spring combined with a fluid
- F16F6/005—Magnetic springs; Fluid magnetic springs, i.e. magnetic spring combined with a fluid using permanent magnets only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vibration Prevention Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to a kind of damper housing, damper, suspension frame structure and vehicle, including housing, damping magnet, Moveable shock block etc., on housing upper damping magnet part, middle damping magnet part and lower damping magnet part are disposed with along housing guide direction order, the magnetic field intensity of middle damping magnet part is less than the magnetic field intensity of upper and lower damping magnet part, and upper, middle and lower damping magnet part at least one include the about at least two damping magnet rings be arrangeding in parallel, the pole orientation of adjacent twice damping magnet ring is radial direction and pole orientation is opposite.When vehicle smooth-ride, Moveable shock block is centrally located, damping force is smaller, when vehicle is by greater impact, Moveable shock block is located at housing upper or bottom, damping force is larger, and can preferably decay impact and interference from road surface, and realizing damping force can automatically adjust according to the change of damper vibration amplitude.
Description
Technical field
The present invention relates to a kind of damper housing, damper, suspension frame structure and vehicle.
Background technology
It is given a shock and impacts because of the change of ground road conditions when running car is on road surface, the strength of these impacts is wherein
A part can be absorbed by tire, but be mostly what is absorbed by the draft hitch between tire and vehicle body.Current majority vapour
The suspension frame structure of car is made up of flexible member, guiding mechanism and damper etc., and the traveling of vehicle is smoothed out in order to adapt to people
Property and control stability is higher and higher requires, the damper of suspension frame structure needs to meet and be able to should hindered under suitable operating mode
Buddhist nun's power reduces, and to meet the ride performance of vehicle and the requirement of riding comfort, can be damped again under severe operating mode
Power increases, to meet the requirement of the control stability of vehicle and the road shock that decays.
Existing shock absorber structure obviously can not meet this requirement.Currently used damper form mainly has hydraulic pressure
Formula and electromagnetic bumper etc., its damping force are only capable of the velocity of vibration change with damper, and can not be with the shake of damper
Dynamic changes in amplitude is adjusted.
Chinese patent CN104141718A discloses a kind of device for automobile shock, and activity is fixed on using permanent-magnetic clamp
Snubber block periphery, when Moveable shock block is moved, housing can cutting magnetic induction line formation induced electromotive force, the reverse electromagnetic force of generation, resistance
Hinder the progress of relative motion, improve the comfortableness and operational stability of seating, it is disadvantageous in that can only be according to damper
Velocity of vibration change and change, and can not be according to the vibration amplitude automatic damping adjusting power of damper, especially vehicle is in mistake
Bank is not ideal by effect during larger impact.
The content of the invention
The purpose of the present invention is to be directed to the deficiencies in the prior art, can it is an object of the invention to provide a kind of damping force
The damper being adjusted according to vibration amplitude；The present invention also aims to provide the damper used in a kind of damper
Housing and the suspension frame structure and vehicle using the damper.
A kind of technical scheme that is used of damper of the present invention for：A kind of damper, including housing, damping magnet and lead
It is assemblied in the Moveable shock block of enclosure interior to movement, the damping magnet includes being fixedly arranged on housing and along housing guide direction
Upper damping magnet part, middle damping magnet part and the lower damping magnet part of order arrangement, the magnetic field of middle damping magnet part
Intensity is less than the magnetic field intensity of upper and lower damping magnet part.
The damping magnet is fixed on the inwall of housing.
The wherein at least one of the upper, middle and lower damping magnet part includes about at least two dampings be arrangeding in parallel
Magnet ring, the pole orientation of adjacent twice damping magnet ring is radially and pole orientation is opposite.
Damper includes the connecting rod being connected with housing, in addition to the top cover located at housing upper end, and connecting rod includes lower end and institute
State Moveable shock block bonding, the con-rod only for welding or being wholely set and upper end and the body of rod passed, connecting rod are oriented to by the top cover
On be provided with upper activity thrust magnetic pole, the top cover and be provided with and the upper activity thrust pole pair in the periphery of the body of rod
It should set and the opposite upper fixed thrust magnetic pole of magnetic pole.
A kind of technical scheme that is used of damper housing of the present invention for：The housing of damper, including body, body tool
Have and be sequentially disposed with along pilot hole guide direction on the pilot hole for being oriented to installation along the vertical direction for respective activity snubber block, body
Upper damping magnet part, middle damping magnet part and lower damping magnet part, the magnetic field intensity of middle damping magnet part be less than it is upper,
The magnetic field intensity of lower damping magnet part.
The wherein at least one of the upper, middle and lower damping magnet part includes about at least two dampings be arrangeding in parallel
Magnet ring, the pole orientation of adjacent twice damping magnet ring is radially and pole orientation is opposite.
A kind of technical scheme that is used of suspension frame structure of the present invention for：A kind of suspension frame structure, including damper, damper
The Moveable shock block of enclosure interior is assemblied in including housing, damping magnet and guiding movement, the damping magnet includes being fixedly arranged on
Housing and upper damping magnet part, middle damping magnet part and the lower damping magnet part arranged along housing guide direction order,
The magnetic field intensity of middle damping magnet part is less than the magnetic field intensity of upper and lower damping magnet part.
The wherein at least one of the upper, middle and lower damping magnet part includes about at least two dampings be arrangeding in parallel
Magnet ring, the pole orientation of adjacent twice damping magnet ring is radially and pole orientation is opposite.
A kind of technical scheme that is used of vehicle of the present invention for：A kind of vehicle, including suspension frame structure, suspension framework are included
There is damper, damper includes the Moveable shock block that housing, damping magnet and guiding movement are assemblied in enclosure interior, the damping
Magnet include be fixedly arranged on housing and along housing guide direction order arrangement upper damping magnet part, middle damping magnet part and under
Damping magnet part, the magnetic field intensity of middle damping magnet part is less than the magnetic field intensity of upper and lower damping magnet part.
The wherein at least one of the upper, middle and lower damping magnet part includes about at least two dampings be arrangeding in parallel
Magnet ring, the pole orientation of adjacent twice damping magnet ring is radially and pole orientation is opposite.
Beneficial effects of the present invention are：When vehicle smooth-ride, Moveable shock block is located at the centre position of housing,
The magnetic field intensity of middle part damping magnet is relatively low, and the reverse electromagnetic force of generation is also relatively small, that is, the damping force produced is smaller, is car
Provide preferable ride performance and riding comfort.When vehicle is by larger impact and interference, Moveable shock block with
The impact of vehicle and move to the top of housing or to bottom, the magnetic field intensity of upper and lower damping magnet part is larger, generation
Reverse electromagnetic force is also larger, that is, the damping force provided is larger, and can preferably decay impact and interference from road surface, make vehicle body
Minimum is decayed to by the impact degree on road surface, it is ensured that the ride comfort and control stability of vehicle traveling.And the apparatus structure
Simply, it is safe and reliable, the function that damping force is adaptively adjusted with vehicle different conditions is realized, so as to lift the property of vehicle
Can, with very big popularization and application potentiality.
Brief description of the drawings
Fig. 1 for the present invention vehicle one embodiment in damper structural representation；
In figure：1st, housing；2nd, connecting rod；3rd, Moveable shock block；4th, the first permanent-magnetic clamp；5th, the second permanent-magnetic clamp；6th, the 3rd permanent magnetism
Ring；7th, base；8th, lower fixed thrust magnetic pole；9th, lower mobile thrust magnetic pole；10 top covers；11st, upper mobile thrust magnetic pole；12nd, it is upper solid
Determine thrust magnetic pole；13rd, buffer stopper；14th, sealing ring.
Embodiment
With reference to embodiment, the present invention is further illustrated.The embodiment of vehicle is as shown in Figure 1：Vehicle
Including vehicle frame, vehicle bridge and suspension frame structure connecting the two, suspension frame structure includes damper.
Damper, including housing 1, damping magnet, guiding movement are assemblied in the Moveable shock block 3 of enclosure interior and activity subtracts
The connecting rod 2 that shake block 3 is fixedly connected.Upper, middle and lower damping magnet part is disposed with along the guide direction of housing 1 order on housing 1,
Upper damping magnet part includes three the first permanent-magnetic clamps 4 of housing upper, and middle damping magnet part includes in the middle of housing two the
Two permanent-magnetic clamps 5, lower damping magnet part includes three the 3rd permanent-magnetic clamps 6 of lower housing portion, and the magnetic field of middle damping magnet part is strong
Degree is less than the magnetic field intensity of upper and lower damping magnet part, and the pole orientation of adjacent twice permanent-magnetic clamp is radial direction and magnetic pole
In the opposite direction, it is that a complete closed magnetic is constituted between one group and Moveable shock block 3 and housing 1 per the adjacent permanent-magnetic clamp of twice
Road.In other embodiments, each of upper, middle and lower damping magnet part can be arranged in parallel including about at least two
Permanent-magnetic clamp, its quantity can also be adjusted as needed.
The bottom of housing 1 is provided with base 7, the relative plane between base 7 and Moveable shock block 3 and is respectively equipped with lower fixation
Thrust magnetic pole 8 and lower mobile thrust magnetic pole 9, and for homopolar-repulsion state, this structure can prevent Moveable shock block 3 and base 7 it
Between collide and damage.The top of housing 1 is additionally provided with top cover 10, in the relative plane between top cover 10 and Moveable shock block 3
Provided with upper mobile thrust magnetic pole 11 and upper fixed thrust magnetic pole 12, homopolar-repulsion state.Connecting rod 2 subtracts including lower end with the activity
The con-rod only of shake block 3 welding manner connection and upper end are oriented to the body of rod passed by the top cover, and con-rod only is radial dimension
The disk-shaped structure consistent with the radial dimension of Moveable shock block 3, the upper activity thrust magnetic pole 11 is located at the body of rod on connecting rod 2
Periphery, and be correspondingly arranged with the upper activity thrust magnetic pole 11 and upper fixed thrust magnetic pole 12 that magnetic pole is opposite is located at the top cover
On 10, this structure can prevent from colliding and damaging between Moveable shock block 3 and top cover 10.
Rubber seal 14 is additionally provided between Moveable shock block 3 and housing 1, sealing function, Er Qieke can be not only played
To reduce frictional resistance, it is ensured that shock-absorbing capacity gives full play to.Buffer stopper is provided between base 7 and Moveable shock block 3 simultaneously
13, to prevent under fortuitous event, Moveable shock block 3 collides with base 5, cause to damage.Between top cover 9 and Moveable shock block 3
Buffer stopper 13 also is provided with, to prevent under fortuitous event, Moveable shock block 3 collides with top cover 10, causes to damage.
When relative motion occurs between housing 1 and Moveable shock block 3, the formation sensing of the cutting magnetic induction line of Moveable shock block 3
The size of electromotive force, the reverse electromagnetic force of generation, the progress of obstruction relative motion, and this resistance is reciprocal with Moveable shock block
Movement velocity is relevant, i.e., the relative velocity between wheel and vehicle frame is relevant, serves good cushioning effect.In setting,
In, lower damping magnet part when, according to characteristic of the automobile with road shock, by the magnetic field intensity of middle damping magnet part set compared with
It is low, it can be realized by the number of turns for reducing permanent-magnetic clamp or the magnetic core for weakening permanent-magnetic clamp, and the magnetic field intensity of upper and lower damping magnet part
Larger, now when automobile is being shaken by road agitation, the damping device can be spontaneous with the amplitude of vehicle vibration
Adjustment damping device damping force.When vehicle smooth-ride, Moveable shock block 3 is located at the centre position of housing 1, this
When middle part damping magnet magnetic field intensity it is relatively low, the reverse electromagnetic force of generation is also relatively small, that is, the damping force produced is smaller, is
Vehicle provides preferable ride performance and riding comfort.When vehicle is by larger impact and interference, Moveable shock block 3
The upper damping magnet part and lower damping magnet part of housing 1, the magnetic of upper and lower damping magnet are moved to the impact of vehicle
Field intensity is larger, and the reverse electromagnetic force of generation is also larger, that is, the damping force provided is larger, can preferably decay from road surface
Impact and interference, make vehicle body be decayed to minimum by the impact degree on road surface, it is ensured that the ride comfort and operation stabilization of vehicle traveling
Property.
As can be seen here, the device can realize that vehicle provides less damping force in smooth-ride, so that vehicle is obtained
Preferable ride performance and ride comfort；When vehicle is crossing bank or by larger impact, the device can be according to ring
Larger damping force is provided the need for border, can greatly decay the impact sense from road surface, so as to ensure that passenger will not
By big impact, provided to passenger and preferably drive impression, preferable control stability and ride performance are provided for vehicle.
In the other embodiment of this vehicle：The permanent-magnetic clamp can also be by damping magnets such as bar-shaped magnet or tile-shaped magnets
Instead of.
The damping magnet may be also secured at the outer wall of housing.
The connecting rod can also be using connected mode that is Nian Jie or being wholely set with Moveable shock block, it would however also be possible to employ bolt
Etc. connected mode.
A kind of embodiment of suspension frame structure of the present invention, the specific reality of the damper that suspension frame structure is included and the vehicle
The damper applied in example is identical, and here is omitted.
A kind of embodiment of damper of the present invention, it is identical with the damper in the specific embodiment of the vehicle, herein
Repeat no more.
Damper housing phase in a kind of embodiment of damper housing of the present invention, the specific embodiment of the vehicle
Together, here is omitted.
Claims (7)
1. a kind of damper, including housing, damping magnet and guiding movement are assemblied in the Moveable shock block of enclosure interior, its feature
It is：The damping magnet include being fixedly arranged on housing and along the upper damping magnet part of housing guide direction order arrangement, in
Damping magnet part and lower damping magnet part, the magnetic field intensity of middle damping magnet part are less than upper and lower damping magnet part
Magnetic field intensity, damper includes the connecting rod being connected with housing, in addition to the top cover located at housing upper end, and connecting rod includes lower end and institute
State Moveable shock block bonding, the con-rod only for welding or being wholely set and upper end and the body of rod passed, connecting rod are oriented to by the top cover
On be provided with upper activity thrust magnetic pole, the top cover and be provided with and the upper activity thrust pole pair in the periphery of the body of rod
It should set and the opposite upper fixed thrust magnetic pole of magnetic pole.
2. a kind of damper according to claim 1, it is characterised in that：The damping magnet is fixed on the inwall of housing.
3. a kind of damper according to claim 1, it is characterised in that：The upper, middle and lower damping magnet part is wherein
At least one includes about at least two damping magnet rings be arrangeding in parallel, and the pole orientation of adjacent twice damping magnet ring is radially
And pole orientation is opposite.
4. a kind of suspension frame structure, including damper, damper are assemblied in enclosure interior including housing, damping magnet and guiding movement
Moveable shock block, it is characterised in that：The damping magnet includes what is be fixedly arranged on housing and arranged along housing guide direction order
Upper damping magnet part, middle damping magnet part and lower damping magnet part, the magnetic field intensity of middle damping magnet part less than it is upper,
The magnetic field intensity of lower damping magnet part, damper includes the connecting rod being connected with housing, in addition to the top cover located at housing upper end,
Connecting rod includes the con-rod only that lower end is Nian Jie with the Moveable shock block, welds or is wholely set and upper end is oriented to by the top cover
On the body of rod passed, connecting rod in the periphery of the body of rod be provided with upper activity thrust magnetic pole, the top cover be provided with it is described
Upper activity thrust magnetic pole is correspondingly arranged and the opposite upper fixed thrust magnetic pole of magnetic pole.
5. a kind of suspension frame structure according to claim 4, it is characterised in that：The upper, middle and lower damping magnet part
Wherein at least one includes about at least two damping magnet rings be arrangeding in parallel, and the pole orientation of adjacent twice damping magnet ring is
Radially and pole orientation is opposite.
6. a kind of vehicle, including suspension frame structure, suspension framework include damper, damper includes housing, damping magnet and led
The Moveable shock block of enclosure interior is assemblied in movement, it is characterised in that：The damping magnet includes being fixedly arranged on housing and along shell
Upper damping magnet part, middle damping magnet part and the lower damping magnet part of body guide direction order arrangement, middle damping magnet
Partial magnetic field intensity is less than the magnetic field intensity of upper and lower damping magnet part, and damper includes the connecting rod being connected with housing, also wrapped
The top cover located at housing upper end is included, connecting rod includes the connecting rod sheet that lower end is Nian Jie with the Moveable shock block, welds or is wholely set
Body and upper end are oriented on the body of rod passed, connecting rod by the top cover is provided with upper activity thrust magnetic pole in the periphery of the body of rod,
It is provided with and is correspondingly arranged with the upper activity thrust magnetic pole and upper fixed thrust magnetic pole that magnetic pole is opposite on the top cover.
7. a kind of vehicle according to claim 6, it is characterised in that：The upper, middle and lower damping magnet part wherein extremely
Few one includes the about at least two damping magnet rings be arrangeding in parallel, the pole orientation of adjacent twice damping magnet ring be radial direction and
Pole orientation is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510204000.8A CN104806673B (en) | 2015-04-27 | 2015-04-27 | A kind of damper housing, damper, suspension frame structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510204000.8A CN104806673B (en) | 2015-04-27 | 2015-04-27 | A kind of damper housing, damper, suspension frame structure and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104806673A CN104806673A (en) | 2015-07-29 |
| CN104806673B true CN104806673B (en) | 2017-09-19 |
Family
ID=53691777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510204000.8A Expired - Fee Related CN104806673B (en) | 2015-04-27 | 2015-04-27 | A kind of damper housing, damper, suspension frame structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104806673B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715737B (en) * | 2016-02-05 | 2018-04-24 | 福州市规划设计研究院 | Isolation mounting is combined in a kind of magnetic suspension |
| CN105889379A (en) * | 2016-06-04 | 2016-08-24 | 吴江市三达五金工具厂 | Electromagnetic shock absorber capable of storing energy and absorbing shock in multiple directions |
| CN107542822B (en) * | 2017-09-04 | 2019-01-25 | 上海大学 | A kind of passive non-contact Verticle vortex magnetic damping generator of single-degree-of-freedom |
| CN107965541B (en) * | 2017-11-08 | 2024-03-26 | 苏州蓝博控制技术有限公司 | Damping device, damping and visual angle adjustable instrument mounting table and instrument |
| CN108644276A (en) * | 2018-06-27 | 2018-10-12 | 广东广航科技有限公司 | A kind of low frequency damping device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3126470A1 (en) * | 1981-07-04 | 1983-01-20 | Crull, Siegfried, 2121 Vögelsen | Device for influencing motional processes, in particular a springing and damping device |
| DE3306180A1 (en) * | 1983-02-23 | 1984-08-30 | Gerhard 4040 Neuss Strahl | Magnetic ring shock absorber |
| CN1603145A (en) * | 2003-10-01 | 2005-04-06 | 现代自动车株式会社 | Shock absorber for vehicle suspension |
| CN201211915Y (en) * | 2008-06-02 | 2009-03-25 | 王宝根 | Magnet shock isolation damping device of electric bicycle |
| CN104141718A (en) * | 2014-07-23 | 2014-11-12 | 鞍山钦元节能设备制造有限公司 | Permanent magnet shock absorption damping device for automobile |
| CN204755692U (en) * | 2015-04-27 | 2015-11-11 | 郑州宇通客车股份有限公司 | Bumper shock absorber casing, bumper shock absorber, suspension structure and vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09177880A (en) * | 1995-12-27 | 1997-07-11 | Kawasaki Heavy Ind Ltd | Electromagnetic damper |
-
2015
- 2015-04-27 CN CN201510204000.8A patent/CN104806673B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3126470A1 (en) * | 1981-07-04 | 1983-01-20 | Crull, Siegfried, 2121 Vögelsen | Device for influencing motional processes, in particular a springing and damping device |
| DE3306180A1 (en) * | 1983-02-23 | 1984-08-30 | Gerhard 4040 Neuss Strahl | Magnetic ring shock absorber |
| CN1603145A (en) * | 2003-10-01 | 2005-04-06 | 现代自动车株式会社 | Shock absorber for vehicle suspension |
| CN201211915Y (en) * | 2008-06-02 | 2009-03-25 | 王宝根 | Magnet shock isolation damping device of electric bicycle |
| CN104141718A (en) * | 2014-07-23 | 2014-11-12 | 鞍山钦元节能设备制造有限公司 | Permanent magnet shock absorption damping device for automobile |
| CN204755692U (en) * | 2015-04-27 | 2015-11-11 | 郑州宇通客车股份有限公司 | Bumper shock absorber casing, bumper shock absorber, suspension structure and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104806673A (en) | 2015-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104806673B (en) | A kind of damper housing, damper, suspension frame structure and vehicle | |
| CN105546023B (en) | A kind of combination shock absorber based on MR damper | |
| CN203267834U (en) | Adjustable shock absorption seat in electromagnetic suspension and magnetorheological damp | |
| CN105422707B (en) | A kind of electromagnetic shock absorber | |
| CN201851572U (en) | Electromagnetic shock absorber | |
| CN208719246U (en) | A kind of double acting automatic adjustable automobile magneto-rheological vibration damper | |
| CN206145051U (en) | Novel initiative magnetic force shock absorber of car | |
| CN105221642A (en) | A kind of shock-dampening method, damping device and application thereof | |
| CN205618588U (en) | Hybrid suspension vibration damper with adjustable | |
| CN205298386U (en) | Shock absorbing device | |
| CN106004306B (en) | Magnetic suspension suspension and vehicle with it | |
| CN209159438U (en) | A kind of half electrically driven, magnetically levitated automobile to suspend | |
| CN203111334U (en) | Cab rear suspension device | |
| CN209081180U (en) | A kind of elevator car bottom vibration absorber | |
| CN204755692U (en) | Bumper shock absorber casing, bumper shock absorber, suspension structure and vehicle | |
| CN106151357B (en) | A kind of rigidity and the active air suspension arrangement of damp adjustable bullet train half | |
| CN208900623U (en) | A kind of novel automobile shock absorber assembly | |
| CN208619584U (en) | A kind of reinforced motor vehicle damper | |
| CN104175985A (en) | Magnetic control cement based automobile collision buffering system | |
| CN116412227A (en) | Linear double-spring electromagnetic shock absorber for vehicle and vehicle | |
| CN215487387U (en) | Magnetorheological vibration damper | |
| CN204061693U (en) | A kind of column support type lock regulation vibration damper | |
| CN203868234U (en) | Strengthened type vehicle shock absorber | |
| CN104141718A (en) | Permanent magnet shock absorption damping device for automobile | |
| KR100660390B1 (en) | A shock absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Duan Haiyan Inventor after: Ye Shuai Inventor after: Li Shi Inventor after: Qin Tao Inventor after: Fan Jinlei Inventor before: Ye Shuai Inventor before: Li Shi Inventor before: Qin Tao Inventor before: Fan Jinlei |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20210427 |