CN108506376A - A kind of New Rotary magnetic rheological brake - Google Patents
A kind of New Rotary magnetic rheological brake Download PDFInfo
- Publication number
- CN108506376A CN108506376A CN201810634806.4A CN201810634806A CN108506376A CN 108506376 A CN108506376 A CN 108506376A CN 201810634806 A CN201810634806 A CN 201810634806A CN 108506376 A CN108506376 A CN 108506376A
- Authority
- CN
- China
- Prior art keywords
- end cap
- piston rod
- left end
- iron core
- spiral piston
- 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.)
- Pending
Links
- 238000013016 damping Methods 0.000 claims abstract description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 2
- 230000005284 excitation Effects 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000518 rheometry Methods 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000703 anti-shock Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
- F16D57/002—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders comprising a medium with electrically or magnetically controlled internal friction, e.g. electrorheological fluid, magnetic powder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of novel magnetorheological rotary dampers, are mainly made of left end cap, brake inner cylinder, magnet exciting coil, damper outer barrel, coil supporter iron core, spiral piston rod, left end cap, right bearing etc..Power supply is powered by magnet exciting coil and generates magnetic field, magnetorheological fluid is under spiral piston rod impetus, it is moved in damping clearance inner-spiral type, and generate magnetic rheology effect under magnetic fields, so that the shear stress of magnetorheological fluid increases, larger rotating torque is generated, the rotation of spiral piston rod is hindered.The invention changes the type of flow of magnetorheological fluid using spiral piston rod, can increase braking moment by increasing contact area in the case where magnetorheological fluid dosage is constant.Magnet exciting coil is wrapped on coil supporter iron core simple and compact for structure, the easy to disassemble and repair so that brake.Present invention is particularly suitable for application in the damping antidetonations that the braking occasion of semi- active control and seat suspension etc. rotate occasion.
Description
Technical field
The present invention relates to a kind of magnetic rheological brake more particularly to a kind of New Rotary magnetic rheological brakes.
Background technology
Magnetic rheological brake is a kind of novel half active brake device based on magnetorheological fluid controllable characteristics, which can be with
Resistance is generated to movement, and for the energy of dissipation movement, fast response time, simple in structure, body are possessed in its working range
Product is small, is easy to control and low power consumption and other advantages, is a kind of ideal vibration isolation, antishock device, in building, machinery, military project etc.
With wide application prospect.
Inside has magnetorheological fluid magnetic rheological brake due to the different motion mode of the different and behavior of working environment,
Magnetic rheological brake can be substantially divided into two kinds of forms, the i.e. magnetic rheological brake of straight line differential formula and revolving magnetic
Both different types of rheology brake.
Linear magnetic rheological brake have the advantages that it is many apparent, due to these advantages so that he is in house
No small performance is suffered from some other building heavy industry journeys such as the structure of bridge, is even more in first build of some cantilever bridges
Indispensable role is played, while also having original performance on automobile, the damping antidetonation of the buildings such as house.But
It is that also no doubt there is defects and deficiency that he can not go beyond for the magnetic rheological brake of straight line differential formula, and linear is magnetorheological
The internal structure of brake is very heavy, and very relies on the only old-fashioned valve arrangement in linear middle appearance, and piston
Bar can not be very lightly with movement that is efficient quick and possessing certain fluency, and piston rod is during the motion with regard to special
Be easy to happen some it is stuck show and bended by the brake of high-speed mobile, it is relatively more using magnetorheological fluid, increase cost.
The appearance of rotary type magnetic rheological brake solves above-mentioned linear magnetic rheological brake and exists to a certain extent
The problem of.The general weight of rotary type magnetic rheological brake is lighter, and design is compacter, is more suitable for applying and is requiring lightweight simultaneously
In device based on rotary motion.Therefore designing a kind of rotary type magnetic rheological brake has broader practice foreground.
Invention content
In order to solve the problems, such as that background technology, the present invention propose a kind of New Rotary magnetic rheological brake.This
The torque that the magnetorheological turning stopper of drum-type in invention generates can effectively reduce the turning velocity of shaft, realize and slow down or subtract
Small vibration and other effects.Shaft mounted on motor or other rotary power units is driven to rotate, when the spindle is rotated, can band
Move spiral piston rod rotation.Magnet exciting coil, which is powered, generates magnetic field, at this time progradation of the magnetorheological fluid in spiral piston rod
Lower movement, realizes screw movement, and generate magnetic rheology effect in brake clearance, generates larger rotational torque, hinders rotation
Shaft rotation is dynamic, to realize braking purpose.
The technical solution adopted by the present invention to solve the technical problems includes：Left end cap (1), brake inner cylinder (2), excitation
Coil (3), brake outer barrel (4), coil supporter iron core (5), spiral piston rod (6), right end cap (7), right bearing (8) and
Left bearing (9)；It is machined with blind round hole among left end cap (1), right side is machined with kidney-shaped groove, and passes through screw and brake
Outer barrel (4) is fixedly connected；Brake inner cylinder (2) left and right ends are machined with kidney-shaped boss, and in left end cap (1), right end cap (7)
Kidney-shaped groove be connected carry out axially position；Coil supporter iron core (5) left and right ends are machined with kidney-shaped boss, with left end cap
(1), the kidney-shaped groove in right end cap (7), which is connected, carries out axially position；It is machined with blind shape through-hole, left end among right end cap (7)
Face is machined with kidney-shaped groove and is fixedly connected with brake outer barrel (4) by screw；It is machined with two among coil supporter iron core (5)
A toroidal cavity, magnet exciting coil (3) are wound in a groove；Spiral piston rod (6) left end outer surface and left end cap (1) blind hole
Internal surface gaps coordinate, and are sealed by sealing ring；Spiral piston rod (6) right end outer surface and table in right end cap (7) blind hole
Face clearance fit, and sealed by sealing ring；Spiral piston rod (6) left end is right by left end cap (1) right side axially position
End passes through right bearing (8) left side axially position；Left bearing (9) passes through left end cap (1) blind hole right side and spiral piston rod
(6) left axle shoulder axially position；Right bearing (8) passes through right end cap (7) blind hole left side axially position；Left bearing (9) outer ring and a left side
End cap (1) blind hole internal surface is interference fitted, and left bearing (9) inner ring is interference fitted with spiral piston rod (6) outer surface；Right bearing
(8) outer ring is interference fitted with right end cap (7) blind hole internal surface, right bearing (8) inner ring and spiral piston rod (6) outer surface interference
Cooperation；Gap between brake inner cylinder (2) and brake outer barrel (4) forms axial annulus damping clearance I (10)；Coil supporter
Gap between iron core (5) and left end cap (1), spiral piston rod (6) forms axial annulus damping clearance II (11)；Brake
Gap between inner cylinder (2) and coil supporter iron core (5) forms axial annulus damping clearance III (12)；Coil supporter iron core (5)
Gap between right end cap (7) forms radial disk damping gap IV (13)；Coil supporter iron core (5) and left end cap (1) it
Between gap form radial disk damping gap V (14)；Axial annulus damping clearance I (10), axial annulus damping clearance II
(11) and axial annulus damping clearance III (12) fluid course in parallel for collectively constituting drum brake；Filling in fluid course
There is magnetorheological fluid.A kind of Novel disc-type magnetic current encouraged using annular permanent magnet and magnet exciting coil according to claim 1
Become brake, it is characterised in that：Brake inner cylinder (2), brake outer barrel (4) and coil supporter iron core (5) are led by mild steel
Magnetic material is made；Left end cap (1), spiral piston rod (6), right end cap (7), right bearing (8) and left bearing (9) are by stainless steel
Un-conducted magnetic material is made.
Compared with the background technology, the present invention, it has an advantageous effect in that：
（1）Magnetorheological fluid spiral flow between inner cylinder tube and outer cylinder can be made using the screw type design of piston rod, significantly
Improve the braking moment of brake.
（2）Compared with linear magnetic rheological brake, the present invention is small, light-weight, simple in structure, compact to design, just
In repair, installation space is saved.
（3）The use of this practicality magnetorheological fluid increases the contact area that magnetic field is generated with magnet exciting coil, cost-effective
Under the premise of, the braking moment of rotating brake is increased, and solve the magnetorheological of magnetic rheological brake generally existing
Liquid leakage problem, simplifies design structure, improves the accuracy of manufacture.
Description of the drawings
Fig. 1 is structure of the invention overall schematic.
Fig. 2 is fluid course damping clearance structural schematic diagram of the present invention.
Fig. 3 is the main diagram of spiral piston rod of the invention.
Fig. 4 is right end cap left view of the present invention.
Explanation is embodied
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is schematic structural view of the invention, includes mainly left end cap (1), brake inner cylinder (2), magnet exciting coil (3), brake
Outer barrel (4), coil supporter iron core (5), spiral piston rod (6), right end cap (7), right bearing (8) and left bearing (9).
Fig. 2 is fluid course damping clearance structural schematic diagram of the present invention.Brake inner cylinder (2) and brake outer barrel (4) it
Between gap form axial annulus damping clearance I (10)；Coil supporter iron core (5) and left end cap (1), spiral piston rod (6)
Between gap form axial annulus damping clearance II (11)；Gap between brake inner cylinder (2) and coil supporter iron core (5)
Form axial annulus damping clearance III (12)；Gap between coil supporter iron core (5) and right end cap (7) forms radial disk resistance
Buddhist nun gap IV (13)；Gap between coil supporter iron core (5) and left end cap (1) forms radial disk damping gap V (14)；Axis
It is in parallel common to annulus damping clearance I (10), axial annulus damping clearance II (11) and axial annulus damping clearance III (12)
Form the fluid course of drum brake；Magnetorheological fluid is filled in fluid course.
Fig. 3 is spiral piston rod schematic diagram of the invention, and spiral piston rod is formed with helix angle left hand thread.
Fig. 4 is right end cap left view of the present invention, circular through hole is machined among right end cap (7), there are four left end processing
Symmetrical kidney-shaped groove, boss thickness respectively with coil supporter iron core (5), the thickness of brake inner cylinder (2) waist type boss
It is equal.
Working principle of the invention is as follows：
DC servo motor drives spiral piston rod (6) to generate rotary speed of different sizes, when spiral piston rod (6) turn
When dynamic, magnetorheological fluid is pushed to advance, power supply generates magnetic field by the carrier iron core energization (5) that magnet exciting coil (3) is rotation, at this time
Magnetorheological fluid under magnetic fields in carrier iron core 5 and brake inner cylinder (2), brake inner cylinder (2) and brake outer barrel (4)
Brake clearance inner-spiral type moves, and generates magnetic rheology effect, and magnetorheological fluid apparent viscosity becomes larger, and shear stress increases, in turn
Larger rotational torque is generated, the rotation of spiral piston rod (6) is hindered, to generate braking purpose.
Claims (3)
1. a kind of New Rotary magnetic rheological brake, it is characterised in that including：Left end cap (1), damper inner cylinder (2), excitation
Coil (3), damper outer barrel (4), coil supporter iron core (5), spiral piston rod (6), right end cap (7), right bearing (8) and
Left bearing (9)；It is machined with blind round hole among left end cap (1), right side is machined with kidney-shaped groove, and passes through screw and damper
Outer barrel (4) is fixedly connected；Damper inner cylinder (2) left and right ends are machined with kidney-shaped boss, and in left end cap (1), right end cap (7)
Kidney-shaped groove be connected carry out axially position；Coil supporter iron core (5) left and right ends are machined with kidney-shaped boss, with left end cap
(1), the kidney-shaped groove in right end cap (7), which is connected, carries out axially position；It is machined with blind shape through-hole, left end among right end cap (7)
Face is machined with kidney-shaped groove and is fixedly connected with damper outer barrel (4) by screw；It is machined with two among coil supporter iron core (5)
A toroidal cavity, magnet exciting coil (3) are wound in a groove；Spiral piston rod (6) left end outer surface and left end cap (1) blind hole
Internal surface gaps coordinate, and are sealed by sealing ring；Spiral piston rod (6) right end outer surface and table in right end cap (7) blind hole
Face clearance fit, and sealed by sealing ring；Spiral piston rod (6) left end is right by left end cap (1) right side axially position
End passes through right bearing (8) left side axially position；Left bearing (9) passes through left end cap (1) blind hole right side and spiral piston rod
(6) left axle shoulder axially position；Right bearing (8) passes through right end cap (7) blind hole left side axially position；Left bearing (9) outer ring and a left side
End cap (1) blind hole internal surface is interference fitted, and left bearing (9) inner ring is interference fitted with spiral piston rod (6) outer surface；Right bearing
(8) outer ring is interference fitted with right end cap (7) blind hole internal surface, right bearing (8) inner ring and spiral piston rod (6) outer surface interference
Cooperation.
2. a kind of New Rotary magnetic rheological brake according to claim 1, it is characterised in that：Damper inner cylinder (2)
Gap between damper outer barrel (4) forms axial annulus damping clearance I (10)；Coil supporter iron core (5) and left end cap
(1), the gap between spiral piston rod (6) forms axial annulus damping clearance II (11)；Damper inner cylinder (2) is carried with coil
Gap between body iron core (5) forms axial annulus damping clearance III (12)；Between coil supporter iron core (5) and right end cap (7)
Gap form radial disk damping gap IV (13)；Gap between coil supporter iron core (5) and left end cap (1) forms radial direction
Disk damping gap V (14)；Axial annulus damping clearance I (10), axial annulus damping clearance II (11) and axial annulus resistance
Buddhist nun gap III (12) parallel connection collectively constitutes the fluid course of drum brake；Magnetorheological fluid is filled in fluid course.
3. a kind of magnetorheological braking of Novel disc-type encouraged using annular permanent magnet and magnet exciting coil according to claim 1
Device, it is characterised in that：Damper inner cylinder (2), damper outer barrel (4) and coil supporter iron core (5), by mild steel permeability magnetic material
It is made；Left end cap (1), spiral piston rod (6), right end cap (7), right bearing (8) and left bearing (9) are non-magnetic by stainless steel
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810634806.4A CN108506376A (en) | 2018-06-20 | 2018-06-20 | A kind of New Rotary magnetic rheological brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810634806.4A CN108506376A (en) | 2018-06-20 | 2018-06-20 | A kind of New Rotary magnetic rheological brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108506376A true CN108506376A (en) | 2018-09-07 |
Family
ID=63403696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810634806.4A Pending CN108506376A (en) | 2018-06-20 | 2018-06-20 | A kind of New Rotary magnetic rheological brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108506376A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519433A (en) * | 2019-01-14 | 2019-03-26 | 中国农业大学 | A kind of driving device and high velocity liquid pressure valve of high velocity liquid pressure valve |
| WO2020076445A1 (en) | 2018-10-12 | 2020-04-16 | Stoneage, Inc. | Viscous speed retarding device for rotary nozzles with internal piston for thermal expansion |
| CN112855803A (en) * | 2021-01-04 | 2021-05-28 | 北京理工大学 | Magnetorheological fluid brake with multiple magnetic poles |
| WO2021164090A1 (en) * | 2020-02-22 | 2021-08-26 | 富奥汽车零部件股份有限公司 | Pump-type magnetorheological fluid retarder |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050087408A1 (en) * | 2003-10-22 | 2005-04-28 | Namuduri Chandra S. | Magnetorheological fluid damper |
| CN1865729A (en) * | 2006-06-21 | 2006-11-22 | 天津大学 | Spiral groove structured magneto-rheological damper |
| CN103016602A (en) * | 2012-12-10 | 2013-04-03 | 重庆大学 | Magneto-rheological torsion damper |
| CN103322113A (en) * | 2013-05-31 | 2013-09-25 | 重庆大学 | Controllable torque device based on magnetorheological materials |
| DE102015201012A1 (en) * | 2014-02-03 | 2015-08-06 | Schaeffler Technologies AG & Co. KG | Coupling with magnetorheological threaded spindle actuator |
| CN107191530A (en) * | 2017-05-26 | 2017-09-22 | 中国民航大学 | A kind of twin coil piston magneto-rheological liquid shimmy-damper |
| CN108131420A (en) * | 2017-12-25 | 2018-06-08 | 重庆大学 | A kind of buffer unit for having effective energy-absorbing characteristic |
| CN208331046U (en) * | 2018-06-20 | 2019-01-04 | 华东交通大学 | A kind of New Rotary magnetic rheological brake |
-
2018
- 2018-06-20 CN CN201810634806.4A patent/CN108506376A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050087408A1 (en) * | 2003-10-22 | 2005-04-28 | Namuduri Chandra S. | Magnetorheological fluid damper |
| CN1865729A (en) * | 2006-06-21 | 2006-11-22 | 天津大学 | Spiral groove structured magneto-rheological damper |
| CN103016602A (en) * | 2012-12-10 | 2013-04-03 | 重庆大学 | Magneto-rheological torsion damper |
| CN103322113A (en) * | 2013-05-31 | 2013-09-25 | 重庆大学 | Controllable torque device based on magnetorheological materials |
| DE102015201012A1 (en) * | 2014-02-03 | 2015-08-06 | Schaeffler Technologies AG & Co. KG | Coupling with magnetorheological threaded spindle actuator |
| CN107191530A (en) * | 2017-05-26 | 2017-09-22 | 中国民航大学 | A kind of twin coil piston magneto-rheological liquid shimmy-damper |
| CN108131420A (en) * | 2017-12-25 | 2018-06-08 | 重庆大学 | A kind of buffer unit for having effective energy-absorbing characteristic |
| CN208331046U (en) * | 2018-06-20 | 2019-01-04 | 华东交通大学 | A kind of New Rotary magnetic rheological brake |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020076445A1 (en) | 2018-10-12 | 2020-04-16 | Stoneage, Inc. | Viscous speed retarding device for rotary nozzles with internal piston for thermal expansion |
| EP3843905A4 (en) * | 2018-10-12 | 2021-11-24 | Stoneage, Inc. | Viscous speed retarding device for rotary nozzles with internal piston for thermal expansion |
| CN109519433A (en) * | 2019-01-14 | 2019-03-26 | 中国农业大学 | A kind of driving device and high velocity liquid pressure valve of high velocity liquid pressure valve |
| CN109519433B (en) * | 2019-01-14 | 2024-01-30 | 中国农业大学 | Driving device of high-speed hydraulic valve and high-speed hydraulic valve |
| WO2021164090A1 (en) * | 2020-02-22 | 2021-08-26 | 富奥汽车零部件股份有限公司 | Pump-type magnetorheological fluid retarder |
| CN112855803A (en) * | 2021-01-04 | 2021-05-28 | 北京理工大学 | Magnetorheological fluid brake with multiple magnetic poles |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108506376A (en) | A kind of New Rotary magnetic rheological brake | |
| CN208331046U (en) | A kind of New Rotary magnetic rheological brake | |
| CN107191530B (en) | A kind of twin coil piston magneto-rheological liquid shimmy-damper | |
| CN109630596B (en) | Rotary type damping-adjustable silicone oil-magnetorheological torsional vibration damper | |
| CN108278320B (en) | A kind of big power output method of MR damper Combined-operating mode and damper | |
| CN103953667B (en) | Efficiently magnetic current changing brake device | |
| CN104728333B (en) | Magnetorheological torsional damper and automotive seat thereof | |
| CN108458006A (en) | The Novel disc-type magnetic rheological brake encouraged using annular permanent magnet and magnet exciting coil | |
| CN108071712A (en) | A kind of haptic device magnetic rheological brake encouraged using permanent magnet and magnet exciting coil | |
| CN207906319U (en) | A kind of magnetic rheological brake with formula magnetic circuit channel of wriggling | |
| CN208619557U (en) | A kind of revolving type magnetic rheologic brake with sinuous formula magnetic circuit channel | |
| CN108302152A (en) | A kind of MR damper with complicated liquid flowing channel structure | |
| CN109578499B (en) | Double-rod magnetorheological fluid damper and magnetorheological fluid anti-sedimentation method thereof | |
| CN208764185U (en) | A kind of revolving type magnetic rheologic brake with more fluid courses | |
| CN206802182U (en) | A kind of new magnetorheological rotary damper | |
| CN108442555B (en) | Semi-active self-resetting mass rotating wheel composite magnetorheological fluid damper | |
| CN202418403U (en) | Magneto-rheologic elastic body rotary type magneto-rheologic damper | |
| CN110259872A (en) | Magnetorheological Variable inertia variable damping torsional vibration damper | |
| CN208619558U (en) | A kind of twin coil magnetic rheological brake with complicated fluid course | |
| CN207906318U (en) | A kind of haptic device magnetic rheological brake encouraged using permanent magnet and magnet exciting coil | |
| CN208041042U (en) | A kind of MR damper with complicated liquid flowing channel structure | |
| CN213628643U (en) | Multi-working-surface rotary magnetorheological damper | |
| CN207906350U (en) | A kind of coil external MR damper with parallel liquid flowing channel structure | |
| CN102562923A (en) | Rotary magnetorheological damper with magnetorheological elastomer | |
| CN208203852U (en) | The disc type magnetic rheological brake motivated using annular permanent magnet and magnet exciting coil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180907 |