CN104033525B - Large damping force MR damper - Google Patents
Large damping force MR damper Download PDFInfo
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- CN104033525B CN104033525B CN201410291958.0A CN201410291958A CN104033525B CN 104033525 B CN104033525 B CN 104033525B CN 201410291958 A CN201410291958 A CN 201410291958A CN 104033525 B CN104033525 B CN 104033525B
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Abstract
The invention discloses a kind of large damping force MR damper, relate to the device technique field by alter toughness adjustment damping property.Comprise damping cylinder barrel, piston, piston rod, coil block and magnetic flow liquid, described damping cylinder barrel comprises cylinder bottom, floating piston, upper cover, internal layer cylinder barrel and outer cylinder barrel, described outer cylinder barrel is provided with more than three and is odd number, between outer cylinder barrel, interval is arranged, the underpart of described internal layer cylinder barrel is provided with through flow hole, on be covered with through-flow chamber, the one end in described through-flow chamber is communicated with internal layer inner cavity of cylinder, magnetic flow liquid channel connection between the other end in through-flow chamber and outermost two outer cylinder barrels, except outermost outer cylinder barrel, all the other outer cylinder barrels are equipped with through flow hole, when piston moves reciprocatingly between the through flow hole and upper cover of internal layer cylinder barrel, magnetic flow liquid flows through internal layer cylinder barrel and the spaced multiple annular channel of outer cylinder barrel successively.It is little that described damper has boundary dimension, the feature that damping force is large.
Description
Technical field
The present invention relates to the device technique field by alter toughness adjustment damping property.
Background technique
MR damper is a kind of On A Retrofitted Damper based on magnetic flow liquid controllable characteristics, have that thermal adaptability is strong, fast response time, volume are little, damping force regulation range is wide and low power consumption and other advantages, be a kind of desirable semi-active control damping device, be with a wide range of applications in vibration control field.
Common MR damper coil is placed in clutch release slave cylinder, and piston is arranged annular channel or arrange annular channel between piston and cylinder body, during work, magnetic flow liquid flows through generation damping force from annular channel.The magnetic field perpendicular to magnetic flow liquid flowing direction is produced in annular channel during electromagnetic coil energising, regulate magnetic intensity just can control magnetic current and liquid flow variation characteristic, change flow resistance, the damping force realizing MR damper regulates, when magnetic field reaches capacity, the damping force of MR damper reaches maximum.The maximum damping force improving said structure MR damper by increasing cylinder diameter, reducing annular channel gap and adopt the measures such as multi-level piston, but can bring following a few point defect: (1) increases cylinder diameter can make the boundary dimension of MR damper increase; (2) reduce damping force during the remarkable increase of meeting zero magnetic field, annular channel gap, affect vibration control effect; (3), when adopting multi-stage piston arrangement to improve damping force, the axial dimension of piston can be increased, when installation dimension is certain, the effective travel of piston can be reduced.
Application number be 201210172222.2 patent document discloses the simple load and unload MR damper of a kind of coil block, but the shortcoming that above-mentioned patent document exists is: when needing larger damping force, boundary dimension also can increase.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of large damping force MR damper, and it is little that described damper has boundary dimension, the large feature of damping force.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of large damping force MR damper, comprise damping cylinder barrel, piston, piston rod, coil block and magnetic flow liquid, described coil block is fixed on the outside of described damping cylinder barrel, described damping cylinder barrel comprises cylinder bottom, floating piston, upper cover, internal layer cylinder barrel and outer cylinder barrel, described floating piston, magnetorheological sap cavity is formed between upper cover and internal layer cylinder barrel, between described internal layer cylinder barrel and multiple outer cylinder barrel, magnetic flow liquid passage is set, described cylinder bottom, gas energy storage chamber is formed between floating piston and internal layer cylinder barrel, the Volume Changes of magnetorheological sap cavity when stretching for compensating piston bar, it is characterized in that:
Described outer cylinder barrel is provided with more than three and is odd number, the underpart of described internal layer cylinder barrel is provided with through flow hole, on cover and be provided with through-flow chamber, between outer cylinder barrel, interval is arranged, the one end in described through-flow chamber is communicated with internal layer inner cavity of cylinder, magnetic flow liquid channel connection between the other end in through-flow chamber and outermost two outer cylinder barrels, except outermost outer cylinder barrel, all the other outer cylinder barrels are equipped with through flow hole, piston moves reciprocatingly between the through flow hole and upper cover of internal layer cylinder barrel, when the piston is moving up, magnetic flow liquid flows through the annular channel arranged between the through-flow chamber of upper cover and outer cylinder barrel successively, then flow through the annular channel between internal layer cylinder barrel and outer cylinder barrel, the cavity of resorption of internal layer cylinder barrel is entered again through the through flow hole of internal layer cylinder barrel, described internal layer cylinder barrel and outer cylinder barrel are equipped with permeable segments.
Further technological scheme is: described outer cylinder barrel is provided with three, is respectively the first outer cylinder barrel, the second outer cylinder barrel and the 3rd outer cylinder barrel; The upper end portion of the first outer cylinder barrel is not permeable segments, and underpart is not permeable segments, and middle part is permeable segments and the spaced structure of non-permeable segments; The upper end portion of the second outer cylinder barrel is not permeable segments, and underpart is not permeable segments, and middle part is permeable segments and the spaced structure of non-permeable segments; 3rd outer cylinder barrel upper end portion is not permeable segments, and underpart is not permeable segments, and middle part is permeable segments and the spaced structure of non-permeable segments; Be welded to connect between the permeable segments of the first outer cylinder barrel, the second outer cylinder barrel and the 3rd outer cylinder barrel and non-permeable segments.
Further technological scheme is: the through flow hole of described first outer cylinder barrel is arranged at upper end portion; The through flow hole of described second outer cylinder barrel is arranged at underpart; The sidewall of described 3rd outer cylinder barrel is closed.
Further technological scheme is: described coil block comprises magnetic conduction sleeve, magnetic guiding loop, electromagnetic coil and coil winding body, several electromagnetic coils are positioned at the outside of described coil winding body, separated by magnetic guiding loop between electromagnetic coil, single electromagnetic coil is closed by magnetic conduction sleeve, the ring-shaped cavity structure formed between two magnetic guiding loops and coil winding body, the magnetic guiding loop of the upper and lower end of described coil block is fixedly connected with described coil winding body, described magnetic conduction sleeve is provided with electromagnetic coil fairlead, and adjacent electromagnetic coil is connected in series.
Further technological scheme is: the magnetic guiding loop of the upper and lower end of described coil block is provided with tapped through hole, and the upper and lower end of described coil winding body is provided with unthreaded hole, and coil block is fixedly connected with damping cylinder barrel through tapped through hole and unthreaded hole by fastening screw trip bolt.
Further technological scheme is: the structure of described coil winding body is corresponding with the central structure of the first outer cylinder barrel, the second outer cylinder barrel and the 3rd outer cylinder barrel, coil winding body is permeable segments and the not spaced welded structure of permeable segments, and the length of the permeable segments on coil winding body and not permeable segments is distinguished consistent with the length of the permeable segments on outer cylinder barrel and non-permeable segments.
Further technological scheme is: the making material of the permeable segments of the permeable segments of described internal layer cylinder barrel, the first outer cylinder barrel, the permeable segments of the second outer cylinder barrel, the 3rd outer cylinder barrel, the permeable segments of coil winding body, magnetic guiding loop and magnetic conduction sleeve is high magnetic permeability soft magnetic material, and the not permeable segments of the first outer cylinder barrel, the second outer cylinder barrel, the 3rd outer cylinder barrel and coil winding body adopts non-magnet_conductible material to make.
The beneficial effect adopting technique scheme to produce is: the outer cylinder barrel on described damper is provided with several, during electromagnetic coil energising, effective magnetic field can be produced in the magnetic flow liquid passage that permeable segments location interval is arranged on internal layer cylinder barrel, each outer cylinder barrel, form magnetic rheology effect, during piston movement, magnetic flow liquid will the upper and lower snakelike flowing by the multiple annular channels between each layer cylinder barrel, can produce larger damping force; The outside dimension change of described damper is little simultaneously, and when thus designing large damping force MR damper, the boundary dimension of this programme is less.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the sectional structure schematic diagram of damping cylinder barrel in Fig. 1;
Fig. 3 is the sectional structure schematic diagram of internal layer cylinder barrel in Fig. 1;
Fig. 4 is the sectional structure schematic diagram of the first outer cylinder barrel in Fig. 1;
Fig. 5 is the sectional structure schematic diagram of the second outer cylinder barrel in Fig. 1;
Fig. 6 is the sectional structure schematic diagram of the 3rd outer cylinder barrel in Fig. 1;
Fig. 7 is the sectional structure schematic diagram of upper cover in Fig. 1;
Fig. 8 is the sectional structure schematic diagram of Fig. 1 coil assembly;
Fig. 9 is the sectional structure schematic diagram of Fig. 8 coil winding body;
Figure 10 is the sectional structure schematic diagram of magnetic conduction sleeve in Fig. 8;
Figure 11 is the sectional structure schematic diagram of Fig. 8 coil assembly end magnetic guiding loop;
Figure 12 is magnetic circuit formation basic theory figure in the present invention;
Wherein: 1, cylinder bottom earrings 2, cylinder bottom 3, cylinder bottom sealing 4, floating piston 5, floating piston sealing 6, piston 7, piston seal 8, piston rod 9, upper cover 91, through-flow chamber 10, upper cover sealing 11, piston rod earrings 12, internal layer cylinder barrel 13, first outer cylinder barrel 14, second outer cylinder barrel 15, 3rd outer cylinder barrel 16, coil block 161, coil winding body 1613, unthreaded hole 162, electromagnetic coil 163, magnetic guiding loop 1631, tapped through hole 164, magnetic conduction sleeve 1641, electromagnetic coil fairlead 165, fastening screw trip bolt 121, first through flow hole 131, second through flow hole 141, threeway discharge orifice 133, first permeable segments 143, second permeable segments 152, 3rd permeable segments 1612, 4th permeable segments 132, first not permeable segments 134, second not permeable segments 135, 3rd not permeable segments 142, 4th not permeable segments 144, 5th not permeable segments 145, 6th not permeable segments 151, 7th not permeable segments 153, 8th not permeable segments 154, 9th not permeable segments 1611, tenth not permeable segments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Description has below set forth a lot of detail so that fully understand the present invention, but the present invention can also adopt and be different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
Embodiment
As Fig. 1, shown in 2, a kind of large damping force MR damper, comprise damping cylinder barrel, piston 6, piston rod 8, coil block 16 and magnetic flow liquid, described coil block 16 is fixed on the outside of described damping cylinder barrel, described damping cylinder barrel comprises cylinder bottom 2, floating piston 4, upper cover 9, internal layer cylinder barrel 12 and outer cylinder barrel, described floating piston 4, magnetorheological sap cavity is formed between upper cover 9 and internal layer cylinder barrel 12, described damping cylinder barrel is provided with magnetic flow liquid flowing passage, cylinder bottom 2, gas energy storage chamber is formed between floating piston 4 and internal layer cylinder barrel 12, the Volume Changes of magnetorheological sap cavity when stretching for compensating piston bar 8, above content is same as the prior art, therefore not to repeat here.
The feature that the present invention is different from prior art is: described outer cylinder barrel is provided with more than three and for odd number, and can be such as three, five or seven etc., in the present embodiment, as shown in Figure 2, described outer cylinder barrel be provided with three.As shown in Figure 3, the underpart of described internal layer cylinder barrel 12 is provided with the first through flow hole 121, as shown in Figure 7, upper cover 9 is provided with through-flow chamber 91, and between outer cylinder barrel, interval is arranged, and the one end in described through-flow chamber 91 is communicated with internal layer inner cavity of cylinder, magnetic flow liquid channel connection between the other end in through-flow chamber 91 and outermost two outer cylinder barrels, except outermost outer cylinder barrel, all the other outer cylinder barrels are equipped with through flow hole, and piston 6 moves reciprocatingly between first through flow hole 121 and upper cover 9 of internal layer cylinder barrel 12.
When piston 6 moves upward, the magnetic flow liquid on piston 6 top flows in the magnetic flow liquid passage between the 3rd outer cylinder barrel 15 and the second outer cylinder barrel 14 by the through-flow chamber 91 on upper cover 9, then magnetic flow liquid flows in the magnetic flow liquid passage between the second outer cylinder barrel 14 and the first outer cylinder barrel 13 by the threeway discharge orifice 141 of the second outer cylinder barrel 14 underpart, then magnetic flow liquid flows in the magnetic flow liquid passage between the first outer cylinder barrel 13 and internal layer cylinder barrel 12 by the second through flow hole 131 of the first outer cylinder barrel 13 upper end portion, last magnetic flow liquid flows in the magnetorheological sap cavity between piston 6 and floating piston 4 by the first through flow hole 121 of internal layer cylinder barrel 12 underpart, when piston 6 moves downward, the flow direction when flow direction of magnetic flow liquid moves upward with piston 6 is contrary.
As shown in Figure 4, the upper end portion of the first outer cylinder barrel 13 is the first not permeable segments 132, and underpart is the 3rd not permeable segments 135, and middle part is the first permeable segments 133 and second not spaced structure of permeable segments 134; As shown in Figure 5, the upper end portion of the second outer cylinder barrel 14 is the 4th not permeable segments 142, and underpart is the 6th not permeable segments 145, and middle part is the second permeable segments 143 and the 5th not spaced structure of permeable segments 144; As shown in Figure 6, the 3rd outer cylinder barrel 15 upper end portion is the 7th not permeable segments 151, and underpart is the 9th not permeable segments 154, and middle part is the 3rd permeable segments 152 and the 8th not spaced structure of permeable segments 153; Be welded to connect between the permeable segments of the first outer cylinder barrel 14 of outer cylinder barrel 13, second and the 3rd outer cylinder barrel 15 and non-permeable segments.As shown in Figure 4,5, 6, the second through flow hole 131 of described first outer cylinder barrel 13 is arranged at upper end portion; The threeway discharge orifice 141 of described second outer cylinder barrel 14 is arranged at underpart; The sidewall of described 3rd outer cylinder barrel 15 is closed, for closed magnetic flow liquid.
As Fig. 8, shown in 10, described coil block 16 comprises coil winding body 161, electromagnetic coil 162, magnetic guiding loop 163 and magnetic conduction sleeve 164, several electromagnetic coils 162 are positioned at the outside of described coil winding body 161, adjacent electromagnetic coil 162 is separated by magnetic guiding loop 163, magnetic conduction sleeve 164, single electromagnetic coil 162 is closed by the ring-shaped cavity structure formed between two magnetic guiding loops 163 and coil winding body 161, on described coil block 16, the magnetic guiding loop 163 of underpart is fixedly connected with described coil winding body 161 by fastening screw trip bolt 165, described magnetic conduction sleeve 164 is provided with electromagnetic coil fairlead 1641, adjacent electromagnetic coil is connected in series.
As shown in Figure 9, the structure of described coil winding body 161 is corresponding with the central structure of the first outer cylinder barrel 14 of outer cylinder barrel 13, second and the 3rd outer cylinder barrel 15, coil winding body 161 is the 4th permeable segments 1612 and the tenth not spaced welded structure of permeable segments 1611, the 4th permeable segments 1612 on coil winding body 161 with the tenth not length and the permeable segments on outer cylinder barrel of permeable segments 1611 and the length of non-permeable segments consistent respectively.
As shown in Fig. 9,11, the magnetic guiding loop 163 of the described upper and lower end of coil block 16 is provided with tapped through hole 1631, the upper and lower end of described coil winding body 161 is provided with unthreaded hole 1613, and coil block 16 is fixedly connected with damping cylinder barrel through tapped through hole 1631, unthreaded hole 1613 by fastening screw trip bolt 165.
In the present invention, the making material of the 4th permeable segments 1612 of the second permeable segments 143 of the outer cylinder barrel 14 of the first permeable segments 133, second of the outer cylinder barrel 13 of internal layer cylinder barrel 12, first, the 3rd permeable segments 152 of the 3rd outer cylinder barrel 15, coil winding body 161, magnetic guiding loop 163 and magnetic conduction sleeve 164 is high magnetic permeability soft magnetic material, and the not permeable segments of the outer cylinder barrel 14 of the first outer cylinder barrel 13, second, the 3rd outer cylinder barrel 15 and coil winding body 161 adopts non-magnet_conductible material to make.
As shown in figure 12, outer cylinder barrel on described damper is provided with several, during electromagnetic coil energising, effective magnetic field is produced in multiple magnetic flow liquid passages that the permeable segments location interval of meeting on internal layer cylinder barrel, each outer cylinder barrel is arranged, form magnetic rheology effect, during piston movement, magnetic flow liquid by the multiple annular channel flowings between each layer cylinder barrel, will can produce larger damping force.
Claims (7)
1. a large damping force MR damper, comprise damping cylinder barrel, piston (6), piston rod (8), coil block (16) and magnetic flow liquid, described coil block (16) is fixed on the outside of described damping cylinder barrel, described damping cylinder barrel comprises cylinder bottom (2), floating piston (4), upper cover (9), internal layer cylinder barrel (12) and outer cylinder barrel, described floating piston (4), magnetorheological sap cavity is formed between upper cover (9) and internal layer cylinder barrel (12), arrange multiple magnetic flow liquid between described internal layer cylinder barrel and outer cylinder barrel to flow passage, cylinder bottom (2), gas energy storage chamber is formed between floating piston (4) and internal layer cylinder barrel (12), the Volume Changes of magnetorheological sap cavity time flexible for compensating piston bar (8), it is characterized in that:
Described outer cylinder barrel is provided with more than three and is odd number, the underpart of described internal layer cylinder barrel (12) is provided with the first through flow hole (121), upper cover (9) is provided with through-flow chamber (91), between outer cylinder barrel, interval is arranged, one end of described through-flow chamber (91) and the inner space of internal layer cylinder barrel (12), magnetic flow liquid channel connection between the other end in through-flow chamber (91) and outermost two outer cylinder barrels, except outermost outer cylinder barrel, all the other outer cylinder barrels are equipped with through flow hole, piston (6) moves reciprocatingly between first through flow hole (121) and upper cover (9) of internal layer cylinder barrel (12), when the piston is moving up, magnetic flow liquid flows through through through-flow chamber (91) annular channel arranged between outer cylinder barrel successively, then flow through the annular channel between internal layer cylinder barrel (12) and outer cylinder barrel, the cavity of resorption of internal layer cylinder barrel (12) is entered again through first through flow hole (121) of internal layer cylinder barrel (12), described internal layer cylinder barrel (12) and outer cylinder barrel are equipped with permeable segments.
2. large damping force MR damper according to claim 1, is characterized in that: described outer cylinder barrel is provided with three, is respectively the first outer cylinder barrel (13), the second outer cylinder barrel (14) and the 3rd outer cylinder barrel (15); The upper end portion of the first outer cylinder barrel (13) is the first not permeable segments (132), and underpart is the 3rd not permeable segments (135), and middle part is the first permeable segments (133) and second not permeable segments (134) spaced structure; The upper end portion of the second outer cylinder barrel (14) is the 4th not permeable segments (142), and underpart is the 6th not permeable segments (145), and middle part is the second permeable segments (143) and the 5th not permeable segments (144) spaced structure; 3rd outer cylinder barrel (15) upper end portion is the 7th not permeable segments (151), and underpart is the 9th not permeable segments (154), and middle part is the 3rd permeable segments (152) and the 8th not permeable segments (153) spaced structure; The length of the middle part permeable segments of the first outer cylinder barrel (13), the second outer cylinder barrel (14) and the 3rd outer cylinder barrel (15) and middle part not permeable segments is identical respectively; First outer cylinder barrel (13), the second outer cylinder barrel (14) and the 3rd outer cylinder barrel (15) are welded to connect between permeable segments and non-permeable segments.
3. large damping force MR damper according to claim 2, is characterized in that: second through flow hole (131) of described first outer cylinder barrel (13) is arranged at upper end portion; The threeway discharge orifice (141) of described second outer cylinder barrel (14) is arranged at underpart; The sidewall of described 3rd outer cylinder barrel (15) is closed.
4. large damping force MR damper according to claim 3, it is characterized in that: described coil block (16) comprises coil winding body (161), electromagnetic coil (162), magnetic guiding loop (163) and magnetic conduction sleeve (164), several electromagnetic coils (162) are positioned at the outside of described coil winding body (161), adjacent electromagnetic coil (162) is separated by magnetic guiding loop (163), magnetic conduction sleeve (164), single electromagnetic coil (162) is closed by the ring-shaped cavity structure formed between two magnetic guiding loops (163) and coil winding body (161), on described coil block (16), the magnetic guiding loop (163) of underpart is fixedly connected with by fastening screw trip bolt (165) with described coil winding body (161), described magnetic conduction sleeve (164) is provided with electromagnetic coil fairlead (1641), adjacent electromagnetic coil (162) is connected in series.
5. large damping force MR damper according to claim 4, it is characterized in that: the magnetic guiding loop (163) of described coil block (16) upper and lower end is provided with tapped through hole (1631), the upper and lower end of described coil winding body (161) is provided with unthreaded hole (1613), and coil block (16) is fixedly connected with damping cylinder barrel through tapped through hole (1631), unthreaded hole (1613) by fastening screw trip bolt (165).
6. large damping force MR damper according to claim 4, it is characterized in that: the structure of described coil winding body (161) and the first outer cylinder barrel (13), second outer cylinder barrel (14) is corresponding with the central structure of the 3rd outer cylinder barrel (15), coil winding body (161) is the 4th permeable segments (1612) and the tenth not permeable segments (1611) spaced welded structure, the 4th permeable segments (1612) on coil winding body (161) with the tenth not length and the permeable segments on outer cylinder barrel of permeable segments (1611) and the length of non-permeable segments consistent respectively.
7. the large damping force MR damper of one according to claim 6, it is characterized in that: internal layer cylinder barrel (12), first permeable segments (133) of the first outer cylinder barrel (13), second permeable segments (143) of the second outer cylinder barrel (14), 3rd permeable segments (152) of the 3rd outer cylinder barrel (15), 4th permeable segments (1612) of coil winding body (161), the making material of magnetic guiding loop (163) and magnetic conduction sleeve (164) is high magnetic permeability soft magnetic material, first outer cylinder barrel (13), second outer cylinder barrel (14), the not permeable segments of the 3rd outer cylinder barrel (15) and coil winding body (161) adopts non-magnet_conductible material to make.
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| CN201410291958.0A CN104033525B (en) | 2014-06-26 | 2014-06-26 | Large damping force MR damper |
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| CN201410291958.0A CN104033525B (en) | 2014-06-26 | 2014-06-26 | Large damping force MR damper |
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| CN104033525B true CN104033525B (en) | 2015-12-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106907422A (en) * | 2015-12-23 | 2017-06-30 | 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 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5277281A (en) * | 1992-06-18 | 1994-01-11 | Lord Corporation | Magnetorheological fluid dampers |
| CN101603575A (en) * | 2009-03-05 | 2009-12-16 | 浙江中兴减震器制造有限公司 | Vibration damper |
| CN102661353A (en) * | 2012-05-30 | 2012-09-12 | 石家庄铁道大学 | Magnetorheological damper with convenience in assembly and disassembly of coil component |
| CN203962835U (en) * | 2014-06-26 | 2014-11-26 | 石家庄铁道大学 | Large damping force MR damper |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04321829A (en) * | 1991-04-20 | 1992-11-11 | Bridgestone Corp | Throttling passage for damping device |
| US5492312A (en) * | 1995-04-17 | 1996-02-20 | Lord Corporation | Multi-degree of freedom magnetorheological devices and system for using same |
-
2014
- 2014-06-26 CN CN201410291958.0A patent/CN104033525B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5277281A (en) * | 1992-06-18 | 1994-01-11 | Lord Corporation | Magnetorheological fluid dampers |
| CN101603575A (en) * | 2009-03-05 | 2009-12-16 | 浙江中兴减震器制造有限公司 | Vibration damper |
| CN102661353A (en) * | 2012-05-30 | 2012-09-12 | 石家庄铁道大学 | Magnetorheological damper with convenience in assembly and disassembly of coil component |
| CN203962835U (en) * | 2014-06-26 | 2014-11-26 | 石家庄铁道大学 | Large damping force MR damper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907422A (en) * | 2015-12-23 | 2017-06-30 | 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 |
| 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 |
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