CN1115834A - Method of combining extrusion oil film and shearing oil film of current convertors - Google Patents
Method of combining extrusion oil film and shearing oil film of current convertors Download PDFInfo
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- CN1115834A CN1115834A CN 95106439 CN95106439A CN1115834A CN 1115834 A CN1115834 A CN 1115834A CN 95106439 CN95106439 CN 95106439 CN 95106439 A CN95106439 A CN 95106439A CN 1115834 A CN1115834 A CN 1115834A
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Abstract
The present invention relates to a mass-spring system. By using conic piston and corresponding conic cylinder to constitute current convertor semi-driving damper, the extrusion oil film of extruding damper and the shearing oil film of shearing damper are combined so that during piston motion the current convertor oil film between the outer surface of piston and the two cylinder electrodes receives the combined action of extrusion oil film and shearing oil film.
Description
The present invention relates to a kind of quality one spring system
Britain applies for a patent GB2255150A and " realizes motion control with electrorheological fluid " (MOTION CONTROL USING ELECTRO-RHEOLOGICALFLUIDS) relates to a kind of pure electrorheological fluid and shears oil film type telescopic shock absorber and control thereof, shear the oil film type telescopic shock absorber as traditional pure electrorheological fluid, this patent has overcome traditional telescopic shock absorber difficult problem aspect the adjusting in realizing general the enclosing continuously, fast and greatly of damping.The deficiency of this patent is: (1) under the prerequisite of given size, the damping force that pure electrorheological fluid is sheared the oil film type telescopic shock absorber is relatively little; (2) desire under the prerequisite of given size, improve the damping force that pure electrorheological fluid is sheared the oil film type telescopic shock absorber, just must improve extra electric field intensity, thereby cause energy consumption to improve; (3) improve extra electric field intensity must be subjected to electrorheological fluid breakdown field strength restriction and proposed a difficult problem for the design of small high-voltage power; (4) therefore have only lateral area (piston length or diameter) to obtain big damping force by increasing piston in the pure electrorheological fluid shearing oil film type telescopic shock absorber, thereby cause the size of vibration damper to increase, current drain increases, the response time of the length that distributed capacity improves and causes therefrom.As above give the credit under moderate electric field strength, the shear strength of present electrorheological fluid is also not enough.European application patent 0460808A2 " instrument that can contain electrorheological fluid " (AP-PARATUS CAPABLE OF CONTAINING AN ELECTRO-RHEOLOGICAL FLUID) relates to a kind of electrorheological fluid squeeze film formula vibration damper simultaneously, and attempt overcomes as above not enough.Though adopt electrorheological fluid squeeze film formula vibration damper can realize to draw, the amplification of pressure stress, this is still with big upper and lower electrode size is cost.Simultaneously, electrorheological fluid squeeze film formula vibration damper only is only applicable to oil slick thickness and changes little occasion, promptly only is only applicable to the vibration isolation to small amplitude motion.For the vibration of large amplitude, oil slick thickness and upper and lower electrode gap are big and change, on a large scale in effect a little less than.In addition, for the vibration of large amplitude since upper and lower electrode gap big, must apply very high voltage, thereby increased the design difficulty of small high-voltage power.
According to the shortcoming that above-mentioned prior art exists, task of the present invention provides a kind of electrorheological fluid squeeze film and electrorheological fluid of making and shears the method that oil film combines.
The present invention implements by following technical measures: be under zero the prerequisite at two ends pressure reduction, electrorheological fluid is arranged between the parallel plate electrode that can move in parallel to each other in a certain direction, and make between the vibration-direction of resultant motion direction of the tangent direction of parallel plate electrode and parallel plate electrode relative movement the acute angle angle greater than 0 between less than 90 degree.When the parallel plate electrode of motion in parallel to each other along above-mentioned angle direction move in parallel to each other and mutually near the time, make the electrorheological fluid oil film that is positioned between pole plate be subjected to following oil film action respectively: at first to be because the effect of the pure electrorheological fluid shearing oil film that the component of resultant motion on the tangent direction of parallel plate electrode produces.It is meant when electrorheological fluid being arranged at along between the parallel plate electrode of pole plate tangent direction relative movement abreast and when making parallel plate electrode along the relative movement abreast of pole plate tangent direction, is arranged at the effect and produce along the pole plate tangent direction that electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only is subjected to being parallel to the shearing stress of pole plate and flows; Next is the pure electrorheological fluid squeeze film effect that produces owing to the component of resultant motion on the Normal direction of parallel plate electrode.It is meant can be along the Normal direction of pole plate and between the parallel plate electrode of relative movement abreast and when making parallel plate electrode along the Normal direction relative movement abreast of pole plate when electrorheological fluid is arranged at, be arranged at electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only be squeezed power effect and produce flowing perpendicular to moving direction, and in process of flowing, only be subjected to blocking the effect that it flows and is parallel to the shearing stress of pole plate, but the direction of this shearing stress is vertical with the moving direction of pole plate.
Under the non-vanishing prerequisite of two ends pressure reduction, electrorheological fluid is arranged between the parallel plate electrode that can move in parallel to each other in a certain direction, and make between the vibration-direction of resultant motion direction of the tangent direction of parallel plate electrode and parallel plate electrode relative movement the acute angle angle greater than 0 between less than 90 degree.When the parallel plate electrode of motion in parallel to each other along above-mentioned angle direction move in parallel to each other and mutually near the time, make the electrorheological fluid oil film that is positioned between pole plate be subjected to following oil film action respectively: at first to be because the effect of the pure electrorheological fluid shearing oil film that the component of resultant motion on the tangent direction of parallel plate electrode produces.It is meant when electrorheological fluid being arranged at along between the parallel plate electrode of pole plate tangent direction relative movement abreast and when making parallel plate electrode along the relative movement abreast of pole plate tangent direction, is arranged at the effect and produce along the pole plate tangent direction that electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only is subjected to being parallel to the shearing stress of pole plate and flows; Next is to block the effect that the pressure reduction that causes owing to the two ends differential pressure action flows and is parallel to the shearing stress of pole plate.It is meant that the electrorheological fluid oil film between the parallel plate electrode that is arranged at relative movement abreast is engaged in the pressure reduction process of flowing in the differential pressure action lower edge at pole plate two ends pole plate tangent direction, only is subjected to blocking the effect that it flows and is parallel to the shearing stress of pole plate; Be the pure electrorheological fluid squeeze film effect that produces owing to the component of resultant motion on the Normal direction of parallel plate electrode at last.It is meant can be along the Normal direction of pole plate and between the parallel plate electrode of relative movement abreast and when making parallel plate electrode along the Normal direction relative movement abreast of pole plate when electrorheological fluid is arranged at, be arranged at electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only be squeezed power effect and produce flowing perpendicular to moving direction, and in process of flowing, only be subjected to blocking the effect that it flows and is parallel to the shearing stress of pole plate, but the direction of this shearing stress is vertical with the moving direction of pole plate.
Be under zero the prerequisite at two ends pressure reduction, electrorheological fluid is arranged between the concentric parallel plate electrode that can move and have warp-wise sealing in a certain direction in parallel to each other, and the acute angle angle between the vibration-direction of the tangent direction that makes parallel plate electrode and the resultant motion direction of parallel plate electrode relative movement greater than 0 between spending less than 90.When the parallel plate electrode of motion in parallel to each other along above-mentioned angle direction move in parallel to each other and mutually near the time, make the electrorheological fluid oil film that is positioned between pole plate be subjected to following oil film action respectively; It at first is the effect of shearing oil film owing to the pure electrorheological fluid that the component of resultant motion on the tangent direction of parallel plate electrode produces.It is meant when electrorheological fluid being arranged at along between the parallel plate electrode of pole plate tangent direction relative movement abreast and when making parallel plate electrode along the relative movement abreast of pole plate tangent direction, is arranged at the effect and produce along the pole plate tangent direction that electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only is subjected to being parallel to the shearing stress of pole plate and flows; Next is the pure electrorheological fluid squeeze film effect that produces owing to the component of resultant motion on the Normal direction of parallel plate electrode.It is meant can be along the Normal direction of pole plate and between the parallel plate electrode of relative movement abreast and when making parallel plate electrode along the Normal direction relative movement abreast of pole plate when electrorheological fluid is arranged at, be arranged at electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only be squeezed power effect and produce flowing perpendicular to moving direction, and in process of flowing, only be subjected to blocking the effect that it flows and is parallel to the shearing stress of pole plate, but the direction of this shearing stress is vertical with the moving direction of pole plate.
Under the non-vanishing prerequisite of two ends pressure reduction, electrorheological fluid is arranged between the concentric parallel plate electrode that can move and have warp-wise sealing in a certain direction in parallel to each other, and the acute angle angle between the vibration-direction of the tangent direction that makes parallel plate electrode and the resultant motion direction of parallel plate electrode relative movement greater than 0 between spending less than 90.When the parallel plate electrode of motion in parallel to each other along above-mentioned angle direction move in parallel to each other and mutually near the time, make the electrorheological fluid oil film that is positioned between pole plate be subjected to following oil film action respectively; It at first is the effect of shearing oil film owing to the pure electrorheological fluid that the component of resultant motion on the tangent direction of parallel plate electrode produces.It is meant when electrorheological fluid being arranged at along between the parallel plate electrode of pole plate tangent direction relative movement abreast and when making parallel plate electrode along the relative movement abreast of pole plate tangent direction, is arranged at the effect and produce along the pole plate tangent direction that electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only is subjected to being parallel to the shearing stress of pole plate and flows; Next is to block the effect that the pressure reduction that causes owing to the two ends differential pressure action flows and is parallel to the shearing stress of pole plate.It is that the electrorheological fluid oil film that is arranged between the parallel plate electrode of relative movement abreast is engaged in the pressure reduction process of flowing in the differential pressure action lower edge at pole plate two ends pole plate tangent direction, only is subjected to blocking the effect that it flows and is parallel to the shearing stress of pole plate; Be the pure electrorheological fluid squeeze film effect that produces owing to the component of resultant motion on the Normal direction of parallel plate electrode at last.It is meant can be along the Normal direction of pole plate and between the parallel plate electrode of relative movement abreast and when making parallel plate electrode along the Normal direction relative movement abreast of pole plate when electrorheological fluid is arranged at, be arranged at electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only be squeezed power effect and produce flowing perpendicular to moving direction, and in process of flowing, only be subjected to blocking the effect that it flows and is parallel to the shearing stress of pole plate, but the direction of this shearing stress is vertical with the moving direction of pole plate.
The electrorheological fluid semi-active damper structure principle chart that accompanying drawing tapered piston and corresponding taper cylinder sleeve are formed.
That the invention will be further described is as follows below in conjunction with accompanying drawing:
Tapered piston 8 and piston rod 14 are for being fixedly connected, one end of piston rod 14 with connected by the quality 15 of vibration isolation and sensor 2, the other end and 11 movable connections of axle sleeve, axle sleeve 11 is by insulated end cover 12 sealings, and inlay in cylinder barrel 10 with taper cylinder sleeve 9 annular cylinder liners 6, the other end of annular cylinder liner 6 is established axle sleeve 3 by insulated end cover 5 sealings between piston dried 14 and end cap 5, establish packing ring 13 and ring washer 4 between cylinder barrel 10 and insulated end cover 5.Electrorheological fluid 7 is closed in the cavity.Be installed in by the qualitative sensor 2 of vibration isolation and connect with controller 1, E is control electric field strength, E
0Be bias field intensity.The electrorheological fluid semi-active damper of forming by this tapered piston and corresponding taper cylinder sleeve, the shearing oil film that the squeeze film and the electrorheological fluid of electrorheological fluid squeeze film damper are sheared the oil film type damper combines, thereby in the movement process of piston, make the electrorheological fluid oil film that is between outer surface of piston and cylinder sleeve two electrodes two electrodes mutually near the time synergy that is squeezed oil film respectively and shears oil film, thereby have following advantage:
(1) adopts tapered piston and corresponding taper cylinder sleeve, the shearing oil film of the squeeze film of electrorheological fluid squeeze film damper and electrorheological fluid being sheared the oil film type damper combines, brought into play fully the electrorheological fluid squeeze film damper to draw, the amplification of pressure stress;
(2) adopt tapered piston and corresponding taper cylinder sleeve, the shearing oil film of the squeeze film of electrorheological fluid squeeze film damper and electrorheological fluid being sheared the oil film type damper combines, brought into play fully the electrorheological fluid squeeze film damper to draw, the amplification of pressure stress.Because in the movement process significantly of piston, tapered piston is relative little with corresponding taper cylinder sleeve gaps between electrodes variation, thereby under moderate extra electric field intensity effect, just can obtain satisfied, controlled squeeze film effect;
(3) because in the movement process significantly of piston, tapered piston changes relative little with corresponding taper cylinder sleeve gaps between electrodes, not only under moderate extra electric field intensity effect, just can obtain satisfied, controlled agent and press oil film action, and this squeeze film is acted under sizable amplitude effect change little, thereby more constant squeeze film effect is provided;
(4) because in the movement process significantly of piston, tapered piston changes relative little with corresponding taper cylinder sleeve gaps between electrodes, not only under moderate extra electric field intensity effect, just can obtain satisfied, controlled squeeze film effect, and reduce the difficulty of small design high-voltage power thus;
(5) because in the movement process significantly of piston, tapered piston changes relative little with corresponding taper cylinder sleeve gaps between electrodes, not only under moderate extra electric field intensity effect, just can obtain satisfied, controlled squeeze film effect, and reduce energy consumption thus and with this temperature rise that comes;
(6) bring into play electrorheological fluid fully and sheared the advantage that the damping function of oil film type damper does not change with vibration amplitude;
(7) overcome under the prerequisite of given size, electrorheological fluid is sheared the relatively little shortcoming of damping force of oil film type telescopic shock absorber;
(8) overcome under the prerequisite of given size, improved the damping force that electrorheological fluid is sheared the oil film type telescopic shock absorber, just must improve extra electric field intensity, thus the problem that causes energy consumption to improve;
(9) need just can not obtain big damping force, thereby reduce current drain, reduce distributed capacity, improve speed of response by the lateral area (piston length or diameter) that increases piston in the electrorheological fluid shearing oil film type telescopic shock absorber;
(10) adopt tapered piston and corresponding taper cylinder sleeve, the shearing oil film that the squeeze film and the electrorheological fluid of electrorheological fluid squeeze film damper are sheared the oil film type damper combines, and can make the overall dimensions (longitudinal size X transverse dimension) of electrorheological fluid damper be tending towards reasonable.
Claims (1)
1. method that forms the electrorheological fluid oil film is characterized by and makes electrorheological fluid squeeze film and electrorheological fluid shear oil film to combine, and concrete combination is:
(1) under two ends pressure reduction is zero prerequisite, electrorheological fluid is arranged between the parallel plate electrode that can move in parallel to each other in a certain direction, and make between the vibration-direction of resultant motion direction of the tangent direction of parallel plate electrode and parallel plate electrode relative movement the acute angle angle greater than 0 between less than 90 degree, when the parallel plate electrode of motion in parallel to each other along above-mentioned angle direction move in parallel to each other and mutually near the time, make the electrorheological fluid oil film that is positioned between pole plate be subjected to following oil film action respectively: at first to be the effect of shearing oil film owing to the pure electrorheological fluid that the component of resultant motion on the tangent direction of parallel plate electrode produces, it is meant when electrorheological fluid being arranged at along between the parallel plate electrode of pole plate tangent direction relative movement abreast and when making parallel plate electrode along the relative movement abreast of pole plate tangent direction, being arranged at the effect and produce along the pole plate tangent direction that electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only is subjected to being parallel to the shearing stress of pole plate flows, next is the pure electrorheological fluid squeeze film effect that produces owing to the component of resultant motion on the Normal direction of parallel plate electrode, it is meant can be along the Normal direction of pole plate and between the parallel plate electrode of relative movement abreast and when making parallel plate electrode along the Normal direction relative movement abreast of pole plate when electrorheological fluid is arranged at, be arranged at electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only be squeezed power effect and produce flowing perpendicular to moving direction, and in process of flowing, only be subjected to blocking the effect that it flows and is parallel to the shearing stress of pole plate, but the direction of this shearing stress is vertical with the moving direction of pole plate.
(2) under the non-vanishing prerequisite of two ends pressure reduction, electrorheological fluid is arranged between the parallel plate electrode that can move in parallel to each other in a certain direction, and make between the vibration-direction of resultant motion direction of the tangent direction of parallel plate electrode and parallel plate electrode relative movement the acute angle angle greater than 0 between less than 90 degree, when the parallel plate electrode of motion in parallel to each other along above-mentioned angle direction move in parallel to each other and mutually near the time, make the electrorheological fluid oil film that is positioned between pole plate be subjected to following oil film action respectively: at first to be the effect of shearing oil film owing to the pure electrorheological fluid that the component of resultant motion on the tangent direction of parallel plate electrode produces, it is meant when electrorheological fluid being arranged at along between the parallel plate electrode of pole plate tangent direction relative movement abreast and when making parallel plate electrode along the relative movement abreast of pole plate tangent direction, is arranged at the effect and produce along the pole plate tangent direction that electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only is subjected to being parallel to the shearing stress of pole plate and flows; Next is to block the effect that the pressure reduction that causes owing to the two ends differential pressure action flows and is parallel to the shearing stress of pole plate, it is meant that the electrorheological fluid oil film between the parallel plate electrode that is arranged at relative movement abreast is engaged in the pressure reduction process of flowing in the differential pressure action lower edge at pole plate two ends pole plate tangent direction, only is subjected to blocking the effect that it flows and is parallel to the shearing stress of pole plate; Be the pure electrorheological fluid squeeze film effect that produces owing to the component of resultant motion on the Normal direction of parallel plate electrode at last, it is meant can be along the Normal direction of pole plate and between the parallel plate electrode of relative movement abreast and when making parallel plate electrode along the Normal direction relative movement abreast of pole plate when electrorheological fluid is arranged at, be arranged at electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only be squeezed power effect and produce flowing perpendicular to moving direction, and in process of flowing, only be subjected to blocking the effect that it flows and is parallel to the shearing stress of pole plate, but the direction of this shearing stress is vertical with the moving direction of pole plate;
(3) under two ends pressure reduction is zero prerequisite, electrorheological fluid is arranged between the concentric parallel plate electrode that can move and have the warp-wise sealing in a certain direction in parallel to each other, and make between the vibration-direction of resultant motion direction of the tangent direction of parallel plate electrode and parallel plate electrode relative movement the acute angle angle greater than 0 between less than 90 degree, when the parallel plate electrode of motion in parallel to each other along above-mentioned angle direction move in parallel to each other and mutually near the time, make the electrorheological fluid oil film that is positioned between pole plate be subjected to following oil film action respectively; It at first is the effect of shearing oil film owing to the pure electrorheological fluid that the component of resultant motion on the tangent direction of parallel plate electrode produces, it is meant when electrorheological fluid being arranged at along between the parallel plate electrode of pole plate tangent direction relative movement abreast and when making parallel plate electrode along the relative movement abreast of pole plate tangent direction, is arranged at the effect and produce along the pole plate tangent direction that electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only is subjected to being parallel to the shearing stress of pole plate and flows; Next is the pure electrorheological fluid squeeze film effect that produces owing to the component of resultant motion on the Normal direction of parallel plate electrode, it is meant can be along the Normal direction of pole plate and between the parallel plate electrode of relative movement abreast and when making parallel plate electrode along the Normal direction relative movement abreast of pole plate when electrorheological fluid is arranged at, be arranged at electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only be squeezed power effect and produce flowing perpendicular to moving direction, and in process of flowing, only be subjected to blocking the effect that it flows and is parallel to the shearing stress of pole plate, but the direction of this shearing stress is vertical with the moving direction of pole plate;
(4) under the non-vanishing prerequisite of two ends pressure reduction, electrorheological fluid is arranged between the concentric parallel plate electrode that can move and have the warp-wise sealing in a certain direction in parallel to each other, and make between the vibration-direction of resultant motion direction of the tangent direction of parallel plate electrode and parallel plate electrode relative movement the acute angle angle greater than 0 between less than 90 degree, when the parallel plate electrode of motion in parallel to each other along above-mentioned angle direction move in parallel to each other and mutually near the time, make the electrorheological fluid oil film that is positioned between pole plate be subjected to following oil film action respectively; It at first is the effect of shearing oil film owing to the pure electrorheological fluid that the component of resultant motion on the tangent direction of parallel plate electrode produces, it is meant when electrorheological fluid being arranged at along between the parallel plate electrode of pole plate tangent direction relative movement abreast and when making parallel plate electrode along the relative movement abreast of pole plate tangent direction, is arranged at the effect and produce along the pole plate tangent direction that electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only is subjected to being parallel to the shearing stress of pole plate and flows; Next is to block the effect that the pressure reduction that causes owing to the two ends differential pressure action flows and is parallel to the shearing stress of pole plate, it is that the electrorheological fluid oil film that is arranged between the parallel plate electrode of relative movement abreast is engaged in the pressure reduction process of flowing in the differential pressure action lower edge at pole plate two ends pole plate tangent direction, only is subjected to blocking the effect that it flows and is parallel to the shearing stress of pole plate; Be the pure electrorheological fluid squeeze film effect that produces owing to the component of resultant motion on the Normal direction of parallel plate electrode at last, it is meant can be along the Normal direction of pole plate and between the parallel plate electrode of relative movement abreast and when making parallel plate electrode along the Normal direction relative movement abreast of pole plate when electrorheological fluid is arranged at, be arranged at electrorheological fluid oil film between the parallel plate electrode of relative movement abreast only be squeezed power effect and produce flowing perpendicular to moving direction, and in process of flowing, only be subjected to blocking the effect that it flows and is parallel to the shearing stress of pole plate, but the direction of this shearing stress is vertical with the moving direction of pole plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95106439 CN1115834A (en) | 1995-06-13 | 1995-06-13 | Method of combining extrusion oil film and shearing oil film of current convertors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95106439 CN1115834A (en) | 1995-06-13 | 1995-06-13 | Method of combining extrusion oil film and shearing oil film of current convertors |
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| Publication Number | Publication Date |
|---|---|
| CN1115834A true CN1115834A (en) | 1996-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95106439 Pending CN1115834A (en) | 1995-06-13 | 1995-06-13 | Method of combining extrusion oil film and shearing oil film of current convertors |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100357629C (en) * | 2005-08-04 | 2007-12-26 | 上海交通大学 | Universal electro-rheological vibration isolator |
| CN105570376A (en) * | 2015-12-31 | 2016-05-11 | 浙江科技学院 | Electrorheological fluid shock absorber |
| CN106840676A (en) * | 2017-03-21 | 2017-06-13 | 上海大学 | Shearing and tension and compression dual drive and the visual sliding bearing noise testing testing machine of film shape |
| CN107972757A (en) * | 2017-11-27 | 2018-05-01 | 常州大学 | A kind of shock resistance becomes length damping machine device people's leg |
| CN108150580A (en) * | 2017-12-01 | 2018-06-12 | 常州大学 | It is a kind of to damp the constant symmetrical buffer of abnormity |
| CN114877003A (en) * | 2022-04-02 | 2022-08-09 | 哈尔滨工业大学 | Novel squeeze film damper with self-adaptive check valve in oil supply hole |
-
1995
- 1995-06-13 CN CN 95106439 patent/CN1115834A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100357629C (en) * | 2005-08-04 | 2007-12-26 | 上海交通大学 | Universal electro-rheological vibration isolator |
| CN105570376A (en) * | 2015-12-31 | 2016-05-11 | 浙江科技学院 | Electrorheological fluid shock absorber |
| CN105570376B (en) * | 2015-12-31 | 2017-10-13 | 浙江科技学院 | Electrorheological fluid vibration damper |
| CN106840676A (en) * | 2017-03-21 | 2017-06-13 | 上海大学 | Shearing and tension and compression dual drive and the visual sliding bearing noise testing testing machine of film shape |
| CN106840676B (en) * | 2017-03-21 | 2019-06-25 | 上海大学 | Shearing and tension and compression double drive and the visual sliding bearing noise testing testing machine of film shape |
| CN107972757A (en) * | 2017-11-27 | 2018-05-01 | 常州大学 | A kind of shock resistance becomes length damping machine device people's leg |
| CN108150580A (en) * | 2017-12-01 | 2018-06-12 | 常州大学 | It is a kind of to damp the constant symmetrical buffer of abnormity |
| CN108150580B (en) * | 2017-12-01 | 2020-07-07 | 常州大学 | Invariable-damping special-shaped symmetrical buffer |
| CN114877003A (en) * | 2022-04-02 | 2022-08-09 | 哈尔滨工业大学 | Novel squeeze film damper with self-adaptive check valve in oil supply hole |
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