CN108533662B - A kind of giant electro-rheological fluid damper - Google Patents
A kind of giant electro-rheological fluid damper Download PDFInfo
- Publication number
- CN108533662B CN108533662B CN201810366708.7A CN201810366708A CN108533662B CN 108533662 B CN108533662 B CN 108533662B CN 201810366708 A CN201810366708 A CN 201810366708A CN 108533662 B CN108533662 B CN 108533662B
- Authority
- CN
- China
- Prior art keywords
- piston
- fixed plate
- piston rod
- giant electro
- cover
- 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.)
- Active
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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/532—Electrorheological [ER] fluid dampers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
Abstract
The invention discloses a kind of giant electro-rheological fluid dampers, including piston cylinder, piston rod, piston and fixed plate, piston is two, two pistons are arranged at piston-rod lower end, piston rod and piston are located in piston cylinder, piston cylinder upper end and upper end cover are tightly connected, piston cylinder lower end and lower cover are tightly connected, piston rod upper end passes through upper end cover and is tightly connected with upper end cover, giant electro-rheological liquid is full of in piston cylinder, fixed plate passes through piston, the upper end of fixed plate is connect with upper end cover, the lower end of fixed plate is connect with lower cover, piston opposite with fixed plate can slide, piston rod connects positive pole or cathode, annular electro pole plate connects power cathode or anode, piston rod, piston and fixed plate are made of electrically conductive material.Double-piston of the present invention increases the relative area of electrode, and damping is more obvious；Using giant electro-rheological liquid as the filling liquid in piston cylinder, the stability of damper is high, response is fast, and the damping force adjustable extent of generation is big.
Description
Technical field
The present invention relates to the technical fields of damper, more particularly to a kind of giant electro-rheological fluid damper.
Background technique
Electro rheological fluids are to be dispersed in the suspension liquid formed in the solvent of low-k by the little particle of high dielectric constant.
This suspension liquid can make solid particle polarize and interact under DC Electric Field in the moment of Millisecond, be formed flat
Row is in the chain or column structure of electric field, so that liquid be made to show as this structure shape of the similar solid with certain yield stress
State, makes apparent viscosity increase several orders of magnitude, and this effect for making fluid change state is called electric rheological effect.
Electro-rheological fluid damper is a kind of very widely used energy-eliminating shock-absorbing control device, can be used for the necks such as mechanical, building
Domain.Its control mechanism is by the way that the electric rheological effect in damper, the partial vibration energy of structure is consumed by damping material
It dissipates, achievees the purpose that alleviate the outer impact carried, reduces structural vibration, protection structure safety.
Giant electro-rheological liquid is to be dispersed in the one kind formed in the base fluid of giant electro-rheological liquid by polarizable dielectric particles to hang
Supernatant liquid, when applying electric field to it, viscosity, shear strength etc. can transient change, the sizes such as viscosity, intensity with electric field adjusting,
It continuously interior on a large scale can adjust, can reach several orders of magnitude, high viscosity fluid or even solid can be exchanged by low viscosity fluid.
After extra electric field removes, fluid state, this attribute wink between liquid and solid can be restored within the millisecond time
Between it is controllable, reversible, can continuously change, can pass through electric field realize torque controlled delivery and mechanism online stepless, reversible control
System, can substitute traditional electrode machinery conversion component, have extensively in the self adaptive control mechanism industrial circle of electromechanical integration
General application prospect especially has in fields such as national defense construction, the vehicles, hydraulic device, machinery manufacturing industry, sensor technologies
More extensive application foundation and application demand are one of the critical materials that the development of damping vibration attenuation field is badly in need of.
Done research work is taught according to Hong Kong University of Science and Thchnology Wen Weijia, the novel giant electro-rheological liquid developed at present exists
The yield strength that can achieve 130kPa or more under the electric field strength of 5KV/mm, can satisfy requirement of engineering completely.But it is this
The coefficient of viscosity of novel giant electro-rheological liquid is only 1/10, the only 0.1Pas that common current becomes liquid, and general electric current
Become the coefficient of viscosity of liquid as 1Pas.Therefore, under similarity condition, common current becomes the viscous damping force that liquid provides and is far longer than newly
The viscous damping forces that type giant electro-rheological liquid provides.
During military service, vibration or shock loading can seriously affect its safety and use for various buildings or mechanical structure
Service life.Installation can be reduced its vibration or shock response, increase its safety with the damping device of passive energy dissipation on above structure
The effective means of property and stability.Traditional passive control damper (such as hydraulic damper) is only capable of providing uncontrollable damping
Power, vibration control effect are undesirable.The intelligent damper prepared using electric/magnetic rheological body, can be by electric/magnetic field intensity
Adjusting damping force is adjusted according to operating condition real-time continuously, to realize the active of structural vibration or impact and half actively control
System, is better protected from the failure damage of structure.Relative to MR damper, become by the electric current of core material of giant current
Damper has many advantages, such as that stability is high, structure is simple, damping force adjustable range is big, response is fast.
According to working principle, electro-rheological fluid damper is divided into shear mode, flow pattern and composite mode.In Practical Project
In, usually require that electro-rheological fluid damper can provide biggish damping force, this makes the er damping using traditional structural design
Body is long-pending and quality is larger.In addition, the sliding between ER fluid and damper electrode plate constrains filling for electro rheological fluids performance
Distribution is waved, and practical damping force is caused to be less than theoretical damping power.Therefore, it is badly in need of developing that a kind of small volume, damping force be larger, pole plate
Place is without sliding, the simple novel electrorheological damper of structure, to meet the needs of industrial development.
Theoretical and experiment shows: in practical projects, we with greater need for one kind can at passive control (null field, in the whole field),
The damper of better effects can also be actively played with active control field half, this requires this dampers either passive
Control still all has convenient viscous damping force in half active/active control, and provides biggish yield stress.
However, fewer about the structure design of damper and the research of application at present, progress lags behind giant electro-rheological
The research of liquid material self character.
Summary of the invention
The object of the present invention is to provide a kind of giant electro-rheological fluid dampers, to solve the above-mentioned problems of the prior art,
Increase the area of damp channel, reduce the sliding between giant electro-rheological liquid and polar board surface, there is simple structure, response speed
Fastly, light weight, it is small in size, damping force is big the advantages that.
To achieve the above object, the present invention provides following schemes:
It is described the present invention provides a kind of giant electro-rheological fluid damper, including piston cylinder, piston rod, piston and fixed plate
Piston is two, and two pistons are arranged at the piston-rod lower end, and the piston rod and the piston are located at the work
In plug tube, the piston cylinder upper end and upper end cover are tightly connected, and the piston cylinder lower end and lower cover are tightly connected, the piston
Bar upper end passes through the upper end cover and is tightly connected with the upper end cover, and giant electro-rheological liquid is full of in the piston cylinder, described fixed
Pole plate passes through the piston, and the upper end of the fixed plate is connect with the upper end cover, the lower end of the fixed plate and the lower end
Lid connection, the piston opposite with the fixed plate can slide, and the piston rod connects positive pole or cathode, the annular electro
Pole plate connects power cathode or anode, and the piston rod, the piston and the fixed plate are made of electrically conductive material.
Preferably, the fixed plate be at least two sections at minor arc shape electrode plate, the piston be equipped with it is described
The threading hole that fixed plate matches.
Preferably, the fixed plate is uniformly distributed centered on the piston rod, and all fixed plates are independent of one another.
Preferably, there are the gaps of 1mm-3mm between the outer wall of the fixed plate and the inner wall in the threading hole.
Preferably, the piston rod is equipped with a boss, one of them described piston is set to the boss side, another
A piston is set to the boss other side, and two pistons pass through a nut respectively and are fixed.
Preferably, the upper end of the piston rod also extends through a bearing assembly, the bearing assembly include bearing block, bearing and
Bearing (ball) cover, the bearing block are fixed by bolts on the upper end cover, and the piston rod passes through the bearing and the axis
It holds seat to be slidably connected, the bearing (ball) cover and the bearing block are tightly connected.
Preferably, an inlet opening and a wire guide are provided on the upper end cover, the inlet opening is blocked with rubber stopper, institute
Wire guide is stated to be blocked with wire passing plug.
Preferably, the surface of the fixed plate is equipped with several micropore pits.
Preferably, a protrusion to match with the fixed plate is provided on the lower cover, the fixed plate bottom is logical
It crosses bolt to connect with the protrusion, the fixed plate top and the upper end cover are clamped.
Preferably, between the upper end cover and lower cover and the piston cylinder and the piston rod and the upper end cover it
Between be provided with sealing ring.
The present invention achieves following technical effect compared with the existing technology:
1. double-piston of the present invention increases the relative area of electrode, damping is more obvious.
2. the present invention, using giant electro-rheological liquid as the filling liquid in piston cylinder, the stability of damper is high, response is fast,
The damping force adjustable extent of generation is big.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of giant electro-rheological liquid of the present invention damping；
Fig. 2 is the three dimensional structure diagram of giant electro-rheological fluid damper of the present invention；
Fig. 3 is the cross-sectional view of A-A in Fig. 1 of the present invention；
Fig. 4 is the cross-sectional view of B-B in Fig. 1 of the present invention；
Fig. 5 is the structural schematic diagram of giant electro-rheological liquid damper piston and fixed plate of the present invention；
Fig. 6 is the structural schematic diagram of giant electro-rheological fluid damper upper end cover of the present invention；
Wherein: 1- piston rod, 2- piston, 3- lower cover, 4- sealing ring, 5- fixed plate, 6- bolt, 7- nut, 8- piston
Cylinder, 9- gasket, 10- upper end cover, 11- bearing block, 12- rubber washer, 13- rubber stopper, 14- wire passing plug, 15- bearing (ball) cover, 16-
Bearing.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art under the premise of not making the creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is of the existing technology to solve the problems, such as the object of the present invention is to provide a kind of giant electro-rheological fluid damper, make to hinder
The area in Buddhist nun channel increases, and reduces the sliding between giant electro-rheological liquid and polar board surface, has simple structure, fast response time, matter
Measure the advantages that light, small in size, damping force is big.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
As shown in figs 1 to 6: present embodiments provide a kind of giant electro-rheological fluid damper, including piston cylinder 8, piston rod 1,
Piston 2 and fixed plate 5.Piston 2 in the present embodiment is two, and two pistons 2 are arranged at 1 lower end of piston rod.Of piston 2
Number may be arranged as multiple, and piston rod 1 and piston 2 are located in piston cylinder 8, wherein the periphery wall of piston 2 and 8 inner wall of piston cylinder
Between there are gaps not to contact.8 upper end of piston cylinder and upper end cover 10 are tightly connected, and 8 lower end of piston cylinder and lower cover 3 are tightly connected,
1 upper end of piston rod passes through upper end cover 10 and is tightly connected with upper end cover 10, and giant electro-rheological liquid is full of in piston cylinder 8.Fixed plate 5 is worn
Cross piston 2, the upper end of fixed plate 5 is connect with upper end cover 10, and the lower end of fixed plate 5 is connect with lower cover 3, piston 2 can with it is fixed
Pole plate 5 is opposite to be slided, and piston rod 1 connects positive pole or cathode, and annular electro pole plate connects power cathode or anode, piston rod 1, piston
2 and fixed plate 5 be made of electrically conductive material, piston 2 is connect with piston rod 1, can be with identical electricity.Wherein, living using bilayer
Plug increases the relative area for generating electric field, and damping becomes apparent from；Using this material of giant electro-rheological liquid, damper it is steady
The adjustable extent of qualitative very high, generation damping force is big, response is fast.
Specifically, upper end cover 10 and lower cover 3 are connect by bolt 6, gasket 9 with piston cylinder 8, gasket 9 in the present embodiment
For flat shim.Sealing is provided between upper end cover 10 and lower cover 3 and piston cylinder 8 and between piston rod 1 and upper end cover 10
Circle 4 sufficiently ensures the sealing in piston cylinder 8.
Fixed plate 5 is electrode plate of at least two sections at minor arc shape, and piston 2 is equipped with and wears with what fixed plate 5 matched
Plate hole, it is independent between threading hole not to be connected to.The setting of the electrode plate of minor arc shape can increase the electrode area for applying electric field, use
The form of the electrode plate of annular surface makes the inner side and outer side of annular electro pole-face form the gap between electrode with piston 2, is having
Two layers of damp channel is formd in the space of limit, increases the area of damp channel, damping is more preferably.Fixed plate 5 is with piston
Uniformly distributed centered on bar 1, all fixed plates 5 do not touch independently of one another.Wherein, the surface of fixed plate 5 is equipped with several micropore pits,
The pole plate handled using surface craterization, can be significantly reduced the sliding between giant electro-rheological liquid and polar board surface, damping is more
It is good.There are the gap of 1mm-3mm between the outer wall of fixed plate 5 and the inner wall in threading hole, ensure piston 2 without frictionally moving.
Piston rod 1 is equipped with a boss, and one of piston 2 is set to boss side, another piston 2 is set to boss
The other side, two pistons 2 are fixed by a nut 7 respectively.Boss is used for two end faces by centre to two pistons 2
Limit, another two end face of the nut 7 for two pistons 2 are fixed and limit, and the use of nut 7 is convenient for piston 2
Installation and removal.
The upper end of piston rod 1 also extends through a bearing assembly, and bearing assembly includes bearing block 11, bearing 16 and bearing (ball) cover
15, bearing block 11 is fixed on upper end cover 10 by bolt 6, and piston rod 1 is slidably connected by bearing 16 with bearing block 11, bearing
16 preferably linear bearing, bearing (ball) cover 15 and bearing blocks 11 are tightly connected.Rubber is provided between bearing block 11 and upper end cover 10
Rubber gasket 12 is sealed.
An inlet opening and a wire guide are provided on upper end cover 10, inlet opening is blocked with rubber stopper 13, wire guide threading
Plug 14 blocks, and sufficiently ensures the leakproofness of piston cylinder 8.It is provided with a protrusion to match with fixed plate 5 on lower cover 3, determines pole
5 bottom of plate is connect by bolt 6 with protrusion, and 5 top of fixed plate and upper end cover 10 are clamped.It is arranged on upper end cover 10 in the present embodiment
It is fluted, the clamping portion with matching grooves is provided on fixed plate 5.
Working principle of the present invention is as follows:
After filling giant electro-rheological liquid in piston cylinder 8, closure sealing is carried out with rubber stopper 13, piston rod 1 can pass through connection
The components such as pin are connected with the device of vibration damping is needed, and piston rod 1 pumps under the drive for needing vibration absorber.In work
Positive pole or cathode are connected on plug 2, make piston 2 and piston rod 1 is all positively charged or negative electricity, connect power cathode in fixed plate 5
Or anode, keep fixed plate 5 negatively charged or positive electricity.In this way, it is formed electric field between piston 2 and piston rod 1 and fixed plate 5,
Giant electro-rheological liquid between piston 2 and fixed plate 5 will the electric field caused by piston 2 and fixed plate 5 under the action of, huge electric current
The rheological property moment for becoming liquid changes because of the change of electric field, and viscosity increases, damped coefficient becomes larger.When about 2 piston is past
When moving again, electric field just generates shearing damp active force to giant electro-rheological liquid therein；Make in piston cylinder 8 because piston 2 moves
Giant electro-rheological liquid generate flowing, and then electric field just to giant electro-rheological liquid therein generate flow damping active force.
The present embodiment applies the characteristic that the shear strength of giant electro-rheological liquid can change with applied voltage Strength Changes,
Apply the effectiveness in vibration suppression in vibration absorber good.
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of giant electro-rheological fluid damper, it is characterised in that: including piston cylinder, piston rod, piston and fixed plate, the piston
It is two, two pistons are arranged at the piston-rod lower end, and the piston rod and the piston are located at the piston cylinder
Interior, the piston cylinder upper end and upper end cover are tightly connected, and the piston cylinder lower end and lower cover are tightly connected, on the piston rod
End is tightly connected across the upper end cover and with the upper end cover, and giant electro-rheological liquid, the fixed plate are full of in the piston cylinder
Across the piston, the upper end of the fixed plate is connect with the upper end cover, and the lower end of the fixed plate and the lower cover connect
It connects, the piston opposite with the fixed plate can slide, and the piston rod connects positive pole or cathode, and the fixed plate connects electricity
Source cathode or anode, the piston rod, the piston and the fixed plate are made of electrically conductive material.
2. giant electro-rheological fluid damper according to claim 1, it is characterised in that: the fixed plate is at least two sections
At the electrode plate of minor arc shape, the piston is equipped with the threading hole to match with the fixed plate.
3. giant electro-rheological fluid damper according to claim 2, it is characterised in that: the fixed plate is with the piston rod
Center is uniformly distributed, and all fixed plates are independent of one another.
4. giant electro-rheological fluid damper according to claim 3, it is characterised in that: the outer wall of the fixed plate is worn with described
There are the gaps of 1mm-3mm between the inner wall of plate hole.
5. giant electro-rheological fluid damper according to claim 1, it is characterised in that: the piston rod is equipped with a boss,
One of them described piston is set to the boss side, another described piston is set to the boss other side, two institutes
It states piston and passes through a nut respectively and be fixed.
6. giant electro-rheological fluid damper according to claim 1, it is characterised in that: the upper end of the piston rod also extends through one
Bearing assembly, the bearing assembly include bearing block, bearing and bearing (ball) cover, and the bearing block is fixed by bolts on described
On end cap, the piston rod is slidably connected by the bearing and the bearing block, and the bearing (ball) cover and the bearing block are close
Envelope connection.
7. giant electro-rheological fluid damper according to claim 1, it is characterised in that: be provided with a feed liquor on the upper end cover
Hole and a wire guide, the inlet opening are blocked with rubber stopper, and the wire guide is blocked with wire passing plug.
8. giant electro-rheological fluid damper according to claim 1, it is characterised in that: the surface of the fixed plate is equipped with several
A micropore pit.
9. giant electro-rheological fluid damper according to claim 1, it is characterised in that: be provided with one and institute on the lower cover
The protrusion that fixed plate matches is stated, fixed plate bottom is connect by bolt with the protrusion, the fixed plate top and institute
State upper end cover clamping.
10. giant electro-rheological fluid damper according to claim 1, it is characterised in that: the upper end cover and lower cover and institute
It states between piston cylinder and is provided with sealing ring between the piston rod and the upper end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366708.7A CN108533662B (en) | 2018-04-23 | 2018-04-23 | A kind of giant electro-rheological fluid damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366708.7A CN108533662B (en) | 2018-04-23 | 2018-04-23 | A kind of giant electro-rheological fluid damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108533662A CN108533662A (en) | 2018-09-14 |
| CN108533662B true CN108533662B (en) | 2019-07-05 |
Family
ID=63477456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810366708.7A Active CN108533662B (en) | 2018-04-23 | 2018-04-23 | A kind of giant electro-rheological fluid damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108533662B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752235B (en) * | 2019-03-27 | 2020-04-24 | 上海大学 | Giant electrorheological fluid extrusion force testing device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200975034Y (en) * | 2006-10-13 | 2007-11-14 | 北京工业大学 | Double extending rod double cylinder electrical current changeable damper |
| CN102287476A (en) * | 2011-07-14 | 2011-12-21 | 大连理工大学 | Multilayer fixed pole plate fluid type electro-rheological damper |
| CN103591209A (en) * | 2013-11-08 | 2014-02-19 | 青岛农业大学 | Seven-level adjustable reciprocating type electrorheological fluid damper |
| JP2017015244A (en) * | 2015-06-30 | 2017-01-19 | 日立オートモティブシステムズ株式会社 | Cylinder device |
| CN106907422B (en) * | 2015-12-23 | 2019-04-19 | 上海汽车集团股份有限公司 | Electrorheological fluid vibration damper and its control method, control unit, ECU and automobile |
-
2018
- 2018-04-23 CN CN201810366708.7A patent/CN108533662B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108533662A (en) | 2018-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108506408B (en) | A kind of movable electrode giant electro-rheological fluid damper that interlocks | |
| CN108006147B (en) | A kind of hybrid giant electro-rheological fluid damper of multilayer shear extrusion | |
| CN108571558B (en) | A kind of damper means that giant electro-rheological liquid damping is mixed with metal-rubber damping | |
| CN200958546Y (en) | Trigger-spacing passive damper with current controlling function | |
| CN200975034Y (en) | Double extending rod double cylinder electrical current changeable damper | |
| CN102146979B (en) | Leakage-free current variant damper | |
| CN108895111A (en) | A kind of damper of adaptive damping, adjustable rigidity | |
| CN109973580B (en) | Magneto-rheological damper suitable for high-speed impact | |
| CN110296174B (en) | Shear mode magneto-rheological shock absorber | |
| CN107687494B (en) | A kind of multi-electrode Squeeze Mode giant electro-rheological fluid damper | |
| CN103591209A (en) | Seven-level adjustable reciprocating type electrorheological fluid damper | |
| CN108571559B (en) | A kind of damper means of stiffness variable adaptive damping | |
| CN109058356B (en) | Single-cylinder double-cavity reciprocating damper | |
| CN112283281A (en) | Damping adjusting valve and method for vibration absorber | |
| CN108533662B (en) | A kind of giant electro-rheological fluid damper | |
| WO2023279748A1 (en) | Hybrid damping mode-based high-output-force vibration isolation mount | |
| CN109869435B (en) | Magneto-rheological damper with multi-magnetic couple rotor structure | |
| CN109307038B (en) | A kind of damper of the multilayer pole plate based on giant electro-rheological liquid shearing valve type | |
| CN108302152B (en) | Magnetorheological damper with complex liquid flow channel structure | |
| CN203098720U (en) | Double-outlet-rod ring-shaped magnetic steel piston magneto-rheological damper | |
| CN202280786U (en) | Multi-layer fixed polar plate flowing type current electrorheological damper | |
| CN108869616A (en) | A kind of multilayer pole plate giant electro-rheological fluid damper | |
| CN102287476A (en) | Multilayer fixed pole plate fluid type electro-rheological damper | |
| CN110878807B (en) | Built-in mixed mode magneto-rheological damper | |
| CN102359535A (en) | Magnetorheological damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |