CN204852155U - Parallelly connected multichannel magneto rheological damper - Google Patents
Parallelly connected multichannel magneto rheological damper Download PDFInfo
- Publication number
- CN204852155U CN204852155U CN201520534248.6U CN201520534248U CN204852155U CN 204852155 U CN204852155 U CN 204852155U CN 201520534248 U CN201520534248 U CN 201520534248U CN 204852155 U CN204852155 U CN 204852155U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- damping sleeve
- piston
- iron core
- cylinder barrel
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a parallelly connected multichannel magneto rheological damper relates to the technical field through changing fluid ropimess adjustment damping nature. The attenuator includes damping cylinder, piston assembly, piston rod and magnetorheological suspensions, piston assembly includes the iron core, and around there being a solenoid, the outside cover of solenoid is equipped with at a distance from the magnetism protection ring on the iron core, and the iron core lower extreme is equipped with the magnetizer, and the iron core upper end is equipped with respectively with the magnetizer lower extreme and seals the magnetism upper cover and seal a magnetism lower cover, seals to be equipped with internal damping sleeve and outer damping sleeve between magnetism upper cover and the magnetism lower cover, and the outer end is equipped with the piston outer lane, has cyclic annular gap between iron core and magnetizer, internal damping sleeve, outer damping sleeve, the piston outer lane and forms parallelly connected magnetorheological suspensions multichannel. The attenuator can obviously reduce the damping force of magneto rheological damper under zero magnetic field state, improves magneto rheological damper's damping force control range.
Description
Technical field
The utility model relates to the device technique field by alter toughness adjustment damping property, particularly relates to a kind of parallel channel MR damper.
Background technique
MR damper is the novel semi-active damper device of one based on magnetic flow liquid controllable characteristics, there is fast response time, structure be simple, volume is little, easy control and low power consumption and other advantages, be a kind of desirable vibration isolation, antishock device, be with a wide range of applications in vibration control field.
Electromagnetic coil is around on the piston of damper by common MR damper, and piston arranged single annular channel or between piston and cylinder body, arrange single annular channel, during work, magnetic flow liquid flows through generation damping force from annular channel.During electromagnetic coil energising, in annular channel, produce the magnetic field perpendicular to magnetic flow liquid flowing direction, regulate the size of current of electromagnetic coil to change magnetic intensity, thus can magnetic current and liquid flow variation characteristic be controlled, change flow resistance, realize the adjustment of the damping force of MR damper.Improve the maximum damping force of said structure MR damper, can be realized by increase cylinder diameter, reduction annular channel gap, but under causing zero magnetic field condition, the damping force of MR damper increases, and affects vibration control effect.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of parallel channel MR damper, has the advantage that under zero magnetic field condition, damping force is little, damping force regulation range is wide.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of parallel channel MR damper, comprise damping cylinder barrel, piston assembly, piston rod and magnetic flow liquid, described piston assembly is positioned at described damping cylinder barrel, one end of described piston rod is fixedly connected with piston assembly, the other end of piston rod extends to the outside of damping cylinder barrel, it is characterized in that: described piston assembly comprises iron core, iron core is wound with electromagnetic coil, the outer cover of electromagnetic coil is provided with every magnetic guard ring, the lower end of iron core is provided with magnet case, the upper end of iron core and the lower end of magnet case are respectively equipped with envelope magnetic upper cover and envelope magnetic lower cover, envelope magnetic upper cover outside magnetic guard ring and be provided with internal damping sleeve and external damping sleeve from inside to outside between envelope magnetic lower cover, the outside of external damping sleeve is provided with piston outer ring, the upper cavity of magnetic flow liquid is formed between described envelope magnetic upper cover and damping cylinder barrel, the lower chamber of magnetic flow liquid is formed between described envelope magnetic lower cover and damping cylinder barrel, iron core and magnet case, internal damping sleeve, external damping sleeve, the annular slot that several are connected with lower chamber with upper cavity is provided with between piston outer ring, this gap forms magnetic flow liquid passage in parallel.
Further technological scheme is: described damping cylinder barrel comprises cylinder bottom, floating piston, cylinder barrel and cylinder cap, described cylinder bottom is fixed on the bottom of described cylinder barrel, described floating piston is positioned at the cylinder barrel of described piston assembly bottom, and be connected with cylinder barrel motive sealing, described cylinder cap is fixed on the top of described cylinder barrel; Described floating piston, form magnetorheological sap cavity between cylinder cap and cylinder barrel, described cylinder bottom, form accumulation of energy chamber between floating piston and cylinder barrel, accumulation of energy is filled with nitrogen in chamber, the Volume Changes of magnetorheological sap cavity when stretching for compensating piston bar.
Further technological scheme is: the making material of described iron core, magnet case, piston outer ring is high magnetic permeability soft magnetic material.
Further technological scheme is: the upper and lower of described internal damping sleeve is the first permeable segments, high magnetic permeability soft magnetic material is adopted to make, the middle part of internal damping sleeve is the first not permeable segments, and adopt non-magnet_conductible material to make, the first permeable segments and first is not welded to connect between permeable segments.
Further technological scheme is: the upper and lower of described external damping sleeve is the second permeable segments, the soft magnetic material of high magnetic permeability is adopted to make, the middle part of external damping sleeve is the second not permeable segments, and adopt non-magnet_conductible material to make, the second permeable segments and second is not welded to connect between permeable segments.
Further technological scheme is: described envelope magnetic covers and offers the first magnetorheological fluid apertures, the lower surface of envelope magnetic upper cover is provided with the first convex shoulder, the upside of the outer side wall of internal damping sleeve is provided with the shaft shoulder, the upside of external damping sleeve madial wall is provided with hole shoulder, the upper shaft shoulder and upper hole form the groove of placement first convex shoulder between takeing on, for the location of internal damping sleeve, external damping sleeve and envelope magnetic upper cover.
Further technological scheme is: cover under envelope magnetic and offer the second magnetorheological fluid apertures, the upper surface of envelope magnetic lower cover is provided with the second convex shoulder, the downside of the outer side wall of internal damping sleeve is provided with the lower shaft shoulder, the downside of external damping sleeve madial wall is provided with lower opening shoulder, the lower shaft shoulder and lower opening form the groove of placement second convex shoulder between takeing on, for the location of internal damping sleeve, external damping sleeve and envelope magnetic lower cover.
Further technological scheme is: the center of described envelope magnetic upper cover is provided with piston rod passing hole, and described piston rod is fixedly connected with iron core through described piston rod passing hole; The upper surface of magnet case is provided with convex platform, and the center of described iron core lower surface is provided with fixed hole, and described convex platform and described fixed hole are connected; The lower surface of magnet case is provided with lower convex platform, and the center of envelope magnetic lower cover is provided with the second endoporus, and described lower convex platform is connected with described second inner hole.
Further technological scheme is: described envelope magnetic upper cover is identical with piston outer ring maximum inner diameter with the external diameter of envelope magnetic lower cover, and envelope magnetic upper cover and envelope magnetic lower cover are connected in described piston outer ring.
The beneficial effect that produces of technique scheme is adopted to be: the annular slot parallel connection between the iron core on described damper and magnet case, internal damping sleeve, external damping sleeve, piston outer ring forms many damp channels.Because circulation area increases, under zero magnetic field state, the damping force of described damper is significantly less than the damping force of single channel MR damper, under guarantee magnetic fields, the maximum damping force of MR damper changes little simultaneously, thus can significantly improve MR damper damping force regulation range, there is the advantage that under zero magnetic field condition, damping force is little, damping force regulation range is wide.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model;
Fig. 2 is the sectional structure schematic diagram of internal damping sleeve in the utility model;
Fig. 3 is the sectional structure schematic diagram of the utility model China and foreign countries damped sleeve;
Fig. 4 is the structural representation of piston rod in the utility model;
Fig. 5 is the structural representation of magnet case in the utility model;
Fig. 6 is the plan view sealing magnetic upper cover in the utility model;
Fig. 7 is the plan view sealing magnetic upper cover in the utility model;
Fig. 8 is the plan view sealing magnetic lower cover in the utility model;
Fig. 9 is the worm's eye view sealing magnetic lower cover in the utility model;
Figure 10 is the sectional structure schematic diagram of piston outer ring in the utility model;
Figure 11 is the sectional structure schematic diagram of iron core in the utility model;
Figure 12 is magnetic circuit formation basic theory figure in the utility model;
Wherein: 1, cylinder bottom 2, floating piston 3, floating piston sealing 4, gland 5, cylinder barrel 6, cylinder cap 7, cylinder cap sealing 8, piston rod 81, electromagnetic coil fairlead 9, envelope magnetic upper cover 91, first magnetorheological fluid apertures 92, first convex shoulder 93, piston rod passing hole 10, iron core 101, fixed hole 11, electromagnetic coil 12, every magnetic guard ring 13, internal damping sleeve 131, first permeable segments 132, first not permeable segments 133, the upper shaft shoulder 134, the lower shaft shoulder 14, external damping sleeve 141, second permeable segments 142, second not permeable segments 143, upper hole shoulder 144, lower opening shoulder 15, piston outer ring 151, first endoporus 16, piston outer ring sealing 17, magnet case 171, convex platform 172, lower convex platform 18, envelope magnetic lower cover 181, second magnetorheological fluid apertures 182, second convex shoulder 183, second endoporus.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
As shown in Figure 1, the utility model discloses a kind of parallel channel MR damper, comprise damping cylinder barrel, piston assembly, piston rod 8 and magnetic flow liquid.Described piston assembly is positioned at described damping cylinder barrel, and one end of described piston rod 8 is fixedly connected with piston assembly, and the other end of piston rod 8 extends to the outside of damping cylinder barrel.Described damping cylinder barrel comprises cylinder bottom 1, floating piston 2, cylinder barrel 5 and cylinder cap 6; Described cylinder bottom 1 is fixed on the bottom of described cylinder barrel 5, and described floating piston 2 is positioned at the cylinder barrel 5 of described piston assembly bottom, and is connected with cylinder barrel motive sealing, and described cylinder cap 6 is fixed on the top of described cylinder barrel 5.Described cylinder bottom 1, form accumulation of energy chamber between floating piston 2 and cylinder barrel 5, accumulation of energy is filled with nitrogen in chamber, the Volume Changes of magnetorheological sap cavity when stretching for compensating piston bar 8.
As shown in Figure 1, described piston assembly comprises iron core 10, iron core 10 is wound with electromagnetic coil 11, and the outer cover of electromagnetic coil 11 is provided with every magnetic guard ring 12; The lower end of iron core 10 is provided with magnet case 17, and the upper end of iron core 10 and the lower end of magnet case 17 are respectively equipped with envelope magnetic upper cover 9 and envelope magnetic lower cover 18; Envelope magnetic upper cover 9 outside magnetic guard ring 12 and be provided with internal damping sleeve 13 and external damping sleeve 14 from inside to outside between envelope magnetic lower cover 18; The outside of external damping sleeve 14 is provided with piston outer ring 15.Described floating piston 2, between cylinder cap 6 and cylinder barrel 5, form magnetorheological sap cavity, the upper cavity of magnetic flow liquid is formed between described envelope magnetic upper cover 9 and damping cylinder barrel, the lower chamber of magnetic flow liquid is formed between described envelope magnetic lower cover 18 and damping cylinder barrel, iron core 10 is provided with several annular slots be connected with lower chamber with upper cavity with between magnet case 17, internal damping sleeve 13, external damping sleeve 14, piston outer ring 15, and this gap forms magnetic flow liquid passage in parallel.
When piston assembly moves, magnetic flow liquid between the upper and lower chamber of piston assembly by the magnetic flow liquid multichannel of the parallel connection of composition between iron core 10 and magnet case 17, internal damping sleeve 13, external damping sleeve 14, piston outer ring 15.Cylinder cap 6 can with cylinder barrel 5 by being welded to connect; Cylinder cap sealing 7 is leaked from the guiding clearance between piston rod 8 and cylinder cap 6 for preventing magnetic flow liquid; Piston seal 16 on piston outer ring 15 is for isolating the magnetic flow liquid in upper and lower chamber; Gland 4 on floating piston 2 is used for fixing floating piston sealing 3, and floating piston sealing 3 is used for isolating accumulation of energy chamber and magnetorheological sap cavity; Cylinder bottom 1 welds with cylinder barrel 5; Piston rod 8 is fixedly connected with iron core 10.The making material of described iron core 10, magnet case 17, piston outer ring 15 is high magnetic permeability soft magnetic material.
As Figure 2-3, the upper and lower of described internal damping sleeve 13 is the first permeable segments 131, high magnetic permeability soft magnetic material is adopted to make, the middle part of internal damping sleeve 13 is the first not permeable segments 132, employing non-magnet_conductible material makes, and the first permeable segments 131 and first is not welded to connect between permeable segments 132.The upper and lower of described external damping sleeve 14 is the second permeable segments 141, the soft magnetic material of high magnetic permeability is adopted to make, the middle part of external damping sleeve 14 is the second not permeable segments 142, and adopt non-magnet_conductible material to make, the second permeable segments 141 and second is not welded to connect between permeable segments 142.As shown in Figure 4, described piston rod 8 is provided with electromagnetic coil fairlead 81.First permeable segments 131 and the second permeable segments 141 are oppositely arranged, first not permeable segments 132 and second not permeable segments 142 be oppositely arranged.
As shown in Fig. 1,6,7, described envelope magnetic upper cover 9 offers the first magnetorheological fluid apertures 91, described first magnetorheological fluid apertures 91 can be circular port, arcuate socket, and being circumferentially arranged in of shape interval is sealed on magnetic upper cover 9.The lower surface of envelope magnetic upper cover 9 is provided with the first convex shoulder 92, the upside of the outer side wall of internal damping sleeve 13 is provided with the shaft shoulder 133, the upside of external damping sleeve 14 madial wall is provided with hole shoulder 143, the groove forming placement first convex shoulder 92 between 143 is takeed in the upper shaft shoulder 133 and upper hole, for the location of internal damping sleeve 13, external damping sleeve 14 and envelope magnetic upper cover 9.
As shown in Fig. 1,8,9, envelope magnetic lower cover 18 offers the second magnetorheological fluid apertures 181, and described second magnetorheological fluid apertures 181 can be circular port, arcuate socket, and being circumferentially arranged in of shape interval is sealed on magnetic lower cover 18.The upper surface of envelope magnetic lower cover 18 is provided with the second convex shoulder 182, the downside of the outer side wall of internal damping sleeve 13 is provided with the lower shaft shoulder 134, the downside of external damping sleeve 14 madial wall is provided with lower opening shoulder 144, the lower shaft shoulder 134 and lower opening take on the groove forming placement second convex shoulder 182 between 144, for the location of internal damping sleeve 13, external damping sleeve 14 and envelope magnetic lower cover 18.
As shown in Fig. 1,5,6,7, the center of described envelope magnetic upper cover 9 is provided with piston rod passing hole 93, and described piston rod 8 is fixedly connected with iron core 10 through described piston rod passing hole 93; The upper surface of magnet case 17 is provided with convex platform 171, and the center of described iron core 10 lower surface is provided with fixed hole 101, and described convex platform 171 is in mating connection with described fixed hole 101; The lower surface of magnet case 17 is provided with lower convex platform 172, and the center of envelope magnetic lower cover 18 is provided with the second endoporus 183, and described lower convex platform 172 is in mating connection with described second endoporus 183.
As shown in Fig. 1,10, described envelope magnetic upper cover 9 is identical with piston outer ring 15 maximum inner diameter with the external diameter of envelope magnetic lower cover 18, and envelope magnetic upper cover 9 and envelope magnetic lower cover 18 are connected in described piston outer ring 15.
As shown in figure 12, when electromagnetic coil 11 is energized, under the effect of envelope magnetic upper cover 9 with envelope magnetic lower cover 18, the direction of magnetic induction line, by perpendicular to the flow direction of magnetic flow liquid at damp channel, forms closed-loop path by the first permeable segments 131 of iron core 10, magnet case 17, internal damping sleeve 13, the second permeable segments 141 of external damping sleeve 14 and piston outer ring 15, thus produces effective magnetic field, form magnetic rheology effect, during piston movement, magnetic flow liquid will pass through damp channel in parallel, produces damping force.
Annular slot parallel connection between iron core on described damper and magnet case, internal damping sleeve, external damping sleeve, piston outer ring forms many damp channels.Because circulation area increases, under zero magnetic field state, the damping force of described damper is significantly less than the damping force of single channel MR damper, under guarantee magnetic fields, the maximum damping force of MR damper changes little simultaneously, thus can significantly improve MR damper damping force regulation range, there is the advantage that under zero magnetic field condition, damping force is little, damping force regulation range is wide.
Claims (9)
1. a parallel channel MR damper, comprise damping cylinder barrel, piston assembly, piston rod (8) and magnetic flow liquid, described piston assembly is positioned at described damping cylinder barrel, one end of described piston rod (8) is fixedly connected with piston assembly, the other end of piston rod (8) extends to the outside of damping cylinder barrel, it is characterized in that: described piston assembly comprises iron core (10), iron core (10) is wound with electromagnetic coil (11), the outer cover of electromagnetic coil (11) is provided with every magnetic guard ring (12), the lower end of iron core (10) is provided with magnet case (17), the upper end of iron core (10) and the lower end of magnet case (17) are respectively equipped with envelope magnetic upper cover (9) and envelope magnetic lower cover (18), internal damping sleeve (13) and external damping sleeve (14) is provided with from inside to outside between the envelope magnetic upper cover (9) and envelope magnetic lower cover (18) in magnetic guard ring (12) outside, the outside of external damping sleeve (14) is provided with piston outer ring (15), the upper cavity of magnetic flow liquid is formed between described envelope magnetic upper cover (9) and damping cylinder barrel, the lower chamber of magnetic flow liquid is formed between described envelope magnetic lower cover (18) and damping cylinder barrel, iron core (10) and magnet case (17), internal damping sleeve (13), external damping sleeve (14), several annular slots be connected with lower chamber with upper cavity are provided with between piston outer ring (15), this gap forms magnetic flow liquid passage in parallel.
2. parallel channel MR damper according to claim 1, it is characterized in that: described damping cylinder barrel comprises cylinder bottom (1), floating piston (2), cylinder barrel (5) and cylinder cap (6), described cylinder bottom (1) is fixed on the bottom of described cylinder barrel (5), described floating piston (2) is positioned at the cylinder barrel (5) of described piston assembly bottom, and be connected with cylinder barrel motive sealing, described cylinder cap (6) is fixed on the top of described cylinder barrel (5); Described floating piston (2), between cylinder cap (6) and cylinder barrel (5), form magnetorheological sap cavity, described cylinder bottom (1), between floating piston (2) and cylinder barrel (5), form accumulation of energy chamber, accumulation of energy is filled with nitrogen in chamber, the Volume Changes of magnetorheological sap cavity time flexible for compensating piston bar (8).
3. parallel channel MR damper according to claim 1, is characterized in that: the making material of described iron core (10), magnet case (17), piston outer ring (15) is high magnetic permeability soft magnetic material.
4. parallel channel MR damper according to claim 1, it is characterized in that: the upper and lower of described internal damping sleeve (13) is the first permeable segments (131), high magnetic permeability soft magnetic material is adopted to make, the middle part of internal damping sleeve (13) is the first not permeable segments (132), employing non-magnet_conductible material makes, and the first permeable segments (131) and first is not welded to connect between permeable segments (132).
5. parallel channel MR damper according to claim 1, it is characterized in that: the upper and lower of described external damping sleeve (14) is the second permeable segments (141), the soft magnetic material of high magnetic permeability is adopted to make, the middle part of external damping sleeve (14) is the second not permeable segments (142), employing non-magnet_conductible material makes, and the second permeable segments (141) and second is not welded to connect between permeable segments (142).
6. parallel channel MR damper according to claim 1, it is characterized in that: described envelope magnetic upper cover (9) offers the first magnetorheological fluid apertures (91), the lower surface of envelope magnetic upper cover (9) is provided with the first convex shoulder (92), the upside of the outer side wall of internal damping sleeve (13) is provided with the shaft shoulder (133), the upside of external damping sleeve (14) madial wall is provided with hole shoulder (143), the groove forming placement first convex shoulder (92) between (143) is takeed in the upper shaft shoulder (133) and upper hole, for internal damping sleeve (13), the location of external damping sleeve (14) and envelope magnetic upper cover (9).
7. parallel channel MR damper according to claim 1, it is characterized in that: envelope magnetic lower cover (18) offers the second magnetorheological fluid apertures (181), the upper surface of envelope magnetic lower cover (18) is provided with the second convex shoulder (182), the downside of the outer side wall of internal damping sleeve (13) is provided with the lower shaft shoulder (134), the downside of external damping sleeve (14) madial wall is provided with lower opening shoulder (144), the lower shaft shoulder (134) and lower opening take on the groove forming placement second convex shoulder (182) between (144), for internal damping sleeve (13), the location of external damping sleeve (14) and envelope magnetic lower cover (18).
8. parallel channel MR damper according to claim 1, it is characterized in that: the center of described envelope magnetic upper cover (9) is provided with piston rod passing hole (93), described piston rod (8) is fixedly connected with iron core (10) through described piston rod passing hole (93); The upper surface of magnet case (17) is provided with convex platform (171), and the center of described iron core (10) lower surface is provided with fixed hole (101), and described convex platform (171) and described fixed hole (101) are connected; The lower surface of magnet case (17) is provided with lower convex platform (172), and the center of envelope magnetic lower cover is provided with the second endoporus (183), and described lower convex platform (172) and described second endoporus (183) are connected.
9. parallel channel MR damper according to claim 1, it is characterized in that: described envelope magnetic upper cover (9) is identical with piston outer ring (15) maximum inner diameter with the external diameter of envelope magnetic lower cover (18), envelope magnetic upper cover (9) and envelope magnetic lower cover (18) are connected in described piston outer ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520534248.6U CN204852155U (en) | 2015-07-22 | 2015-07-22 | Parallelly connected multichannel magneto rheological damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520534248.6U CN204852155U (en) | 2015-07-22 | 2015-07-22 | Parallelly connected multichannel magneto rheological damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852155U true CN204852155U (en) | 2015-12-09 |
Family
ID=54742705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520534248.6U Withdrawn - After Issue CN204852155U (en) | 2015-07-22 | 2015-07-22 | Parallelly connected multichannel magneto rheological damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065559A (en) * | 2015-07-22 | 2015-11-18 | 石家庄铁道大学 | Parallel-connection multi-channel magnetorheological damper |
| CN109838493A (en) * | 2019-04-12 | 2019-06-04 | 宴晶科技(北京)有限公司 | A kind of MR damper of more magnetic couple stator structures |
-
2015
- 2015-07-22 CN CN201520534248.6U patent/CN204852155U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065559A (en) * | 2015-07-22 | 2015-11-18 | 石家庄铁道大学 | Parallel-connection multi-channel magnetorheological damper |
| CN105065559B (en) * | 2015-07-22 | 2016-06-08 | 石家庄铁道大学 | Parallel channel MR damper |
| CN109838493A (en) * | 2019-04-12 | 2019-06-04 | 宴晶科技(北京)有限公司 | A kind of MR damper of more magnetic couple stator structures |
| CN109838493B (en) * | 2019-04-12 | 2021-05-07 | 宴晶科技(北京)有限公司 | Magneto-rheological damper with multi-magnetic-couple stator structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105065559B (en) | Parallel channel MR damper | |
| CN105736624B (en) | Magneto-rheological damper with unidirectional damping property | |
| CN104373500B (en) | External many circular holes damp channel MR damper | |
| WO2021104185A1 (en) | Self-sensing separated dual-cylinder magnetorheological damper | |
| CN106575562B (en) | Composite magnetic circuit dual permanent-magnet electromagnet and composite magnetic circuit dual permanent-magnet high-speed electromagnetic valve | |
| CN102661353B (en) | Magnetorheological damper with convenience in assembly and disassembly of coil component | |
| CN102121509B (en) | Magnetorheological damper with annular and disc-shaped liquid flow resistance channels simultaneously | |
| CN104033525B (en) | Large damping force MR damper | |
| CN205118104U (en) | Magneto rheological damper with radial flow and ring flow resistance buddhist nun passageway | |
| CN104595412A (en) | Double-barrel-structure magneto-rheological shock absorber based on flow mode | |
| CN105003589A (en) | Magnetorheological damper with built-in magnetorheological valve for damping performance control | |
| CN204852155U (en) | Parallelly connected multichannel magneto rheological damper | |
| CN204784405U (en) | Magneto rheological damper with mixed flow formula flow channel | |
| CN101725659A (en) | External electromagnet magnetorheological damper | |
| CN205618595U (en) | Magneto rheological damper with one -way damping characteristic | |
| CN104963986A (en) | Magneto-rheological damper with mixed flow type fluid flowing channel | |
| CN204253720U (en) | External many circular holes damp channel MR damper | |
| CN104074919A (en) | Engine magneto-rheological hydraulic mount method based on circumferential and radial flowing mode | |
| CN205315604U (en) | Built -in magnetic current becomes magnetic current change attenuator that valve carries out control of damping performance | |
| CN203962835U (en) | Large damping force MR damper | |
| CN102927191A (en) | Coil internally-installed type magnetorheological damper with oil needle | |
| CN202228587U (en) | Magnetorheological damper with multi-magnet-coil structure | |
| CN105448459A (en) | Multi-permanent magnet high-speed two-way electromagnet | |
| CN105179785A (en) | Novel magneto-rheological digital valve and control method thereof | |
| CN103511546B (en) | Automobile magneto-rheological absorber based on multistage circumferential flow mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151209 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |