CN101029664A - Magnetic rheological hydraulic flexible starter - Google Patents
Magnetic rheological hydraulic flexible starter Download PDFInfo
- Publication number
- CN101029664A CN101029664A CN 200710021161 CN200710021161A CN101029664A CN 101029664 A CN101029664 A CN 101029664A CN 200710021161 CN200710021161 CN 200710021161 CN 200710021161 A CN200710021161 A CN 200710021161A CN 101029664 A CN101029664 A CN 101029664A
- Authority
- CN
- China
- Prior art keywords
- ring
- magnetic
- housing
- magneto
- interior
- 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.)
- Granted
Links
- 239000007858 starting material Substances 0.000 title 1
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 230000005389 magnetism Effects 0.000 claims abstract description 14
- 210000004907 gland Anatomy 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 239000011553 magnetic fluid Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000004907 flux Effects 0.000 abstract description 4
- 230000008030 elimination Effects 0.000 abstract 2
- 238000003379 elimination reaction Methods 0.000 abstract 2
- 238000009413 insulation Methods 0.000 abstract 2
- 238000012856 packing Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 5
- 230000005672 electromagnetic field Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241001061264 Astragalus Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
A kind of magnetic-current liquescent soft startup device, including ring flange which integrates with drive shaft, ring flange connects on the shell, and drive shaft is set up in the shell, field electric coil is set up on the drive shaft, outside the field electric coil magnetism insulation ring and inside retainer on which inside friction disks are set interval are set up orderly, flux rings are set up on both ends right-and-left of the magnetism insulation ring and inside retainer. Outside retainers are set up on the shell inner circle, and on the outside retainers inside friction disks are set working in the inside friction disks, space is set aside to fill in magneto fluid used as power delivery mediator. In the shell, lock ring and packing gland are set up on one side of the left flux rings and the right flux rings are fixed joint with ring flange of the drive shaft. This invention eliminates of heat by fans through its circumrotating, it has simple structure, small volume, big delivery moment of force, perfect elimination of heat nature, high efficiency of elimination of heat, long operating life and broad practicability.
Description
Technical field
The present invention relates to magneto-rheological fluid soft starting device, be particularly useful for the controllable start of powerful device, also be applicable to the power division when regulating a plurality of motoring single device, also be applicable to overload protection mechanism.
Background technique
Mechanical device generally is that direct energising starts, and very easily produces mechanical shock when starting, and bigger to the life-span influence of mechanical device, the while inrush current is 6～8 times of rated operational current, causes the power supply system load excessive.Common soft starting device is a hydraulic couplers, but because itself work the time must have slippage, and efficient is not higher than 97%, the electric motor starting electric current is also bigger simultaneously.U.S. Pat 005896965, Magnetorheological fluidfan clutch (magnetorheological fan-shaped clutch), announced a kind of magnetorheological one plate clutch, it introduces novel intelligent material magnetic flow liquid as the transmission of power media, the magnetic field that produces by electromagnetic coil changes its rheological properties, may command torque transmitted, deficiency are only to be used to transmit little torque occasion.U.S. Pat 005779013, US6745879B1, Torque transfer apparatus using magnetorheological fluids (magnetic flow liquid torque transmitter), announced a kind of magnetorheological multi-disc type torque transmitter, replace the single-deck formula with multi-disc type, magnetic flow liquid participation work in a plurality of disk radial clearances is arranged, and the energy transmitting torque is little, and heat radiation is considered not enough.The U.S. the 4898266th and 4898267 patents, they propose a kind of viscous fluid coupling, wherein act on the transmission that electrostatic field in the operating room that electric viscous fluid is housed changes viscous fluid coupling moment, but this electric viscous fluid does not develop into still this kind equipment is dropped into commercial use and practical stage by change.No. 4920929 patent of the U.S. introduced the viscous fluid coupling of another universal class, the ratio of its input speed and output speed with respect to the input electrical signal variation and change.In this patent, generality has been introduced the coupling that electric field or magnetic field act on the operating room that electrorheological fluid or magneto-rheological fluid are housed respectively.Yet the coupling that this patent is introduced only is a schematic representation, do not relate to important product problem, for example reduce the inoperative air gap between the different parts that comprise the magnetic field flux line, perhaps provide a kind of and not only have enough magnetic intensities but also have enough heat propagation abilities to avoid the equipment of fluid superheat and boiling.U.S. Pat 6811007B2, HydromechanicalCoupling with Clutch Assembly and Magnetorheological Clutch Actuator (hydrocoupling and the magnetorheological clutch driver of band clutch pack), announced a kind of four-wheel drive car magnetic flow liquid multi-disc type torque transmitter, with the magnetic flow liquid in a plurality of disk radial clearances of plunger pump generation hydraulic coupling axial compression, regulate the viscosity of magnetic flow liquid with electromagnetic field, but electromagnetic coil is external, structure is big, magnetic circuit is unreasonable, and transmitting torque is little.U.S. Pat 6988602B2, Torque transfer Coupling withMagnetorheological Clutch Actuator (with the coupling of magnetorheological clutch driver), announced the magnetorheological coupling of another kind of four-wheel drive car, magnetic flow liquid participation work in a plurality of disk radial clearances is arranged, radial clearance with a plurality of disks of cam axial compression that rotate, regulate the viscosity of magnetic flow liquid between disk with electromagnetic field, but electromagnetic coil is external, structure is big, magnetic circuit is unreasonable, and transmitting torque is little.U.S. Pat 6725990B2, Torque transfer Clutch with Magnetorheological Actuator and Ball ScrewOperator. has announced the magnetorheological coupling of another kind of four-wheel drive car, magnetic flow liquid participation work in a plurality of disk radial clearances is arranged, adopt screw to compress radial clearance between a plurality of disks, with the viscosity of magnetic flow liquid between electromagnetic field adjusting disk, but electromagnetic coil is external, and structure is big, magnetic circuit is unreasonable, and transmitting torque is little.Chinese patent 200410081536.7 has been announced a kind of magnetic rheological soft startor, it is a kind of device of single-deck two-wire astragal heat pipe heat radiation, the relation that it does not utilize moment to be directly proportional with rubbing surface quantity, the external volume that causes of coil is big, and interior loop needs the carbon brush power supply.
Summary of the invention
The objective of the invention is at deficiency of the prior art, provide a kind of and can realize smooth starting, transmitting torque is big, the magneto-rheological fluid soft starting device of long service life.
For achieving the above object, soft starting device of the present invention comprises the flange plate that is connected as a single entity with driving shaft, flange plate is connected the outer radiation tooth that is provided with, in be provided with on the housing of keyway, being provided with top and flange plate in the housing is the driven shaft that one is down " mountain " font, by Bearing Installation field coil is arranged on the driven shaft, the outside of field coil is sequentially with magnetism resistent ring and the interior retainer that has keyway, be interval with a plurality of interior friction plates on the interior retainer, magnetism resistent ring and two ends, the interior retainer left and right sides are provided with magnetic guiding loop, the housing inner ring is provided with outer retainer, outer retainer is provided with a plurality of interior friction plates and interleaves a plurality of outside friction discs that cooperate, and leaves the gap that is full of as transmission of power medium magnetic current liquid between outside friction disc and interior friction plate are axial; Left magnetic guiding loop one side in the housing is provided with seal ring and stuffing box gland, and right magnetic guiding loop is fixedlyed connected with the flange plate of driven shaft.
Friction plate and outside friction disc axial clearance are 1～2mm in described; The outer ring of described outside friction disc is provided with the locating tooth that matches with keyway in the housing; The inner ring of friction plate is provided with the locating tooth that matches with the magnetism resistent ring keyway in described; Oiling/oil drain plug that described housing cylindrical is provided with the magnetic fluid liquid filling hole and matches with it.
Beneficial effect of the present invention: adopt field coil built-in, interleave friction plate inside and outside a plurality of to form external fluid shear chamber, more help heat radiation; The utilization magnetic fluid makes the magnetic flow liquid participation work transmitting torque in a plurality of axial clearances as the transmission of power medium, and it is low that magnetic flow liquid has null field viscosity, speed of response is fast, high yield stress, the advantage that energizing voltage is low is very suitable for the medium as controlled transmission of torque.Because field coil is static, need not the brush power supply, eliminated electrical spark and, eliminated the radio interference of electrical spark in the explosion-proof problem of inflammable and explosive occasion, there are not the wearing and tearing of brush, prolonged life of product, improved reliability.Controlled fluid shear chamber outer shroud makes full use of its torque transmitted and (R in electromagnetic coil
3-r
3) be directly proportional, by the rotation realization fan heat radiation of himself, it is simple in structure, and volume is little, and carry-over moment is big, perfect heat-dissipating, the radiating efficiency height has practicability widely.
Description of drawings
Fig. 1 is a structural drawing of the present invention.
Fig. 2 is an outside friction disc structural drawing of the present invention.
Fig. 3 is interior friction plate structure figure of the present invention.
Among the figure: housing 1, seal ring 2, stuffing box gland 3, magnetic guiding loop 4, field coil 5, driven shaft 6, bearing 7, connection jaws 8, interior retainer 9, outer retainer 10, interior friction plate 11, outside friction disc 12, magnetic guiding loop 13, magnetism resistent ring 14, driving shaft 15, oiling/oil drain plug 16.
Embodiment
The invention will be further described below in conjunction with the embodiment in the accompanying drawing:
Shown in Figure 1, magnetic rheological soft startor of the present invention mainly is made of driving link, driven member and field coil 5, is filled with magnetic current liquid in the space between driving link, driven member cooperate.The flange plate that driving link is welded as a whole by shell 1, with driving shaft 15, three dish type outside friction discs 12 and outer retainer 10 constitute, have keyway in the housing 1, the flange plate that combines as a whole with driving shaft 15 is fixed on the right side of shell 1, outer retainer 10 is located in the shell 1, interval between the outside friction disc 12 is determined by outer retainer 10, be arranged with four teeth on the outer ring of outside friction disc 12, four tooth decometers are in the keyway of housing 1, and are shown in Figure 2.Driven member by be located at stuffing box gland 3, left magnetic guiding loop 4, right magnetic guiding loop 13 in the shell 1, have the magnetism resistent ring 14 of keyway, four interior friction plates 11, interior retainer 9 and tops are driven shaft 6 formations that one is down " mountain " font with flange plate, interior friction plate 11 is located on the interior retainer 9 at interval, interleave with outside friction disc 12 and to cooperate, the gap is 1～2mm between the interior outside friction disc, and the magnetic current liquid as the transmission of power medium is housed in this gap.Magnetism resistent ring 14 left ends are connected with left magnetic guiding loop 4 with stuffing box gland 3 by bolt, and the outer end is connected by the flange plate of articulation bolt with right magnetic guiding loop 13 and driven shaft 6, and all there is sealing gasket on the both sides of left and right sides magnetic guiding loop 4,13 to prevent the leakage of magnetic flow liquid.Shown in Figure 3, be arranged with four teeth on the inner ring of interior friction plate 11, four teeth are stuck in the keyway of magnetism resistent ring 14, can the increasing according to actual needs of interior outside friction disc 11,12.Magnetic guiding loop 4,13 is made by silicon steel plate, is located at the left and right sides of magnetism resistent ring 14 and interior retainer 9, and its joint is equipped with the seal ring that prevents that magnetic flow liquid from leaking; The top flange dish interior edge face of driven shaft 6 links to each other with magnetic guiding loop 13 screws.Field coil 5 is installed on the driven shaft 6 by bearing 7, and the left and right sides magnetic guiding frame of field coil 5 is relative with left and right sides magnetic guiding loop 4,13, and the lighting outlet of coil 5 is drawn out to outside adjustable power of direct current from the guidewire port 8 on the magnetic guiding frame of a coil left side; Oiling/the oil drain plug 16 that has the magnetic fluid hand-hole and match on housing 1 cylindrical with it.
Working principle: adopt master and slave moving part rotor and electromagnetic coil structure, constitute outer shroud in the controlled fluid shear chamber of electromagnetic coil, torque is through driving shaft 15, housing 1,12 inputs of outer wearing piece, under electromagnetic coil 5 effects, produce magnetic field, change the rheological properties of magnetic flow liquid, transmit through it, moment of torsion is through the interior friction plate 11 of driven member, and magnetism resistent ring 14, driven shaft 6 are exported.When preventing to transmit big torque, master and slave moving part temperature is too high, cause that magnetorheological fluid performance changes, on driving link housing 1, be provided with radiation tooth to increase heat diffusion area, utilize the shell 1 of high speed rotating itself to play the fan radiating effect, reduce operating temperature, the slip power that device can be born increases, the slippage scope increases, and prolong working life.Produce magnetic field during coil electricity, control between master and slave moving part radial side and the rheological properties of the magnetic flow liquid between the top; Electric current in the control coil changes from small to large, can change the rheological properties of magnetic flow liquid, can realize the smooth starting of mechanical device; The electric current [strength of control coil, and then change the shearing stress of magnetic flow liquid under shear mode, thus export different torques, realize speed governing to driven shaft; Excessive when load, when having surpassed the peak torque that starting drive can transmit, occur automatically between master and slave moving part skidding, have overload protective function.
Claims (6)
1. magneto-rheological fluid soft starting device, it is characterized in that: it comprises the flange plate that is connected as a single entity with driving shaft (15), flange plate is connected the outer radiation tooth that is provided with, in be provided with on the housing (1) of keyway, being provided with top and flange plate in the housing (1) is the driven shaft (6) that one is down " mountain " font, driven shaft (6) is gone up has field coil (5) by Bearing Installation, the outside of field coil (5) is sequentially with magnetism resistent ring (14) and the interior retainer (9) that has keyway, interior retainer (is interval with a plurality of interior friction plates (11) on 9, magnetism resistent ring (14) and interior retainer (9) two ends, the left and right sides are provided with magnetic guiding loop (4,13), housing (1) inner ring is provided with outer retainer (10), outer retainer (10) is provided with a plurality of interior friction plates (11) and interleaves a plurality of outside friction discs (12) that cooperate, and leaves the gap that is full of as transmission of power medium magnetic current liquid between outside friction disc (12) and interior friction plate (11) are axial; Left magnetic guiding loop (4) one sides in the housing (1) are provided with seal ring (2) and stuffing box gland (3), and right magnetic guiding loop (13) is fixedlyed connected with the flange plate of driven shaft (6).
2. magneto-rheological fluid soft starting device according to claim 1 is characterized in that: friction plate (11) is 1～2mm with outside friction disc (12) axial clearance in described.
3. magneto-rheological fluid soft starting device according to claim 1 is characterized in that: described magnetic guiding loop (4,13) is made by silicon steel plate.
4. magneto-rheological fluid soft starting device according to claim 1 and 2 is characterized in that: the outer ring of described outside friction disc (12) be provided with housing (1) in the locating tooth that matches of keyway.
5. magneto-rheological fluid soft starting device according to claim 1 and 2 is characterized in that: the inner ring of friction plate (11) is provided with the locating tooth that matches with magnetism resistent ring (14) keyway in described.
6. magneto-rheological fluid soft starting device according to claim 1 is characterized in that: oiling/oil drain plug (16) that described housing (1) cylindrical is provided with the magnetic fluid liquid filling hole and matches with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100211619A CN100460701C (en) | 2007-04-02 | 2007-04-02 | Magnetic rheological hydraulic flexible starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100211619A CN100460701C (en) | 2007-04-02 | 2007-04-02 | Magnetic rheological hydraulic flexible starter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101029664A true CN101029664A (en) | 2007-09-05 |
| CN100460701C CN100460701C (en) | 2009-02-11 |
Family
ID=38715169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100211619A Expired - Fee Related CN100460701C (en) | 2007-04-02 | 2007-04-02 | Magnetic rheological hydraulic flexible starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100460701C (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975278A (en) * | 2010-11-04 | 2011-02-16 | 重庆大学 | Self-healing seal device based on magnetorheological rubber and magnetorheological grease and reciprocating mechanism |
| CN102162589A (en) * | 2011-02-07 | 2011-08-24 | 林智勇 | Magnetic fluid radiating led |
| CN102494100A (en) * | 2011-11-16 | 2012-06-13 | 奇瑞汽车股份有限公司 | Torque management device |
| CN102797819A (en) * | 2011-05-27 | 2012-11-28 | 宁夏天地奔牛实业集团有限公司 | Soft starting device and scraper conveyor |
| CN103591234A (en) * | 2013-11-30 | 2014-02-19 | 重庆理工大学 | Wedge-shaped extrusion soft start device based on magnetorheological fluid and shape memory alloy |
| CN104896058A (en) * | 2015-04-22 | 2015-09-09 | 无锡市飞度自动化设备有限公司 | Magnetic-liquid mixed type speed adjusting device |
| CN106059245A (en) * | 2016-07-08 | 2016-10-26 | 上海纳铁福传动系统有限公司 | Electromagnetic torque manager |
| CN107100946A (en) * | 2017-05-23 | 2017-08-29 | 清华大学 | Intelligent torque control device |
| CN109139736A (en) * | 2018-10-29 | 2019-01-04 | 徐州工程学院 | A kind of multiple excitation magnetic coil magnetic rheological clutch |
| CN109328272A (en) * | 2016-04-25 | 2019-02-12 | 埃索欧耐迪克超动力 | Multimode control system for magneto-rheological fluid actuating unit |
| CN110149039A (en) * | 2019-05-15 | 2019-08-20 | 嘉兴学院 | A kind of hybrid magnetorheological fluid-permanent magnet shaft coupling |
| CN111441929A (en) * | 2020-04-26 | 2020-07-24 | 山东理工大学 | High-precision moving-coil electromagnetic direct-drive plunger pump |
| CN111623051A (en) * | 2020-05-20 | 2020-09-04 | 武汉理工大学 | High-power moment-adjustable disc type magnetorheological fluid coupling |
| CN113531081A (en) * | 2021-06-29 | 2021-10-22 | 范金来 | Hydraulic coupler based on magnetorheological fluid |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603891B (en) * | 2013-11-14 | 2016-08-17 | 南京理工大学 | Multi-piece magnetorheological fluid electromagnetic clutch |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5896965A (en) * | 1997-06-02 | 1999-04-27 | General Motors Corporation | Magnetorheological fluid fan clutch |
| JPH11117952A (en) * | 1997-10-16 | 1999-04-27 | Toyota Motor Corp | Transmission |
| US5967273A (en) * | 1997-10-17 | 1999-10-19 | Eaton Corporation | Magneto-rheological fluid coupling |
| ITMI20020466A1 (en) * | 2002-03-06 | 2003-09-08 | Baruffaldi Spa | FAN MOTOR VEHICLE TRANSMISSION DEVICE WITH MAGNETIC POWDER COUPLING |
| AT6388U1 (en) * | 2002-08-23 | 2003-09-25 | Magna Steyr Powertrain Ag & Co | MAGNETORHEOLOGICAL CLUTCH |
| WO2005106275A1 (en) * | 2004-04-30 | 2005-11-10 | Magna Drivetrain Ag & Co Kg | Magnetorheological clutch |
| US7422093B2 (en) * | 2005-05-12 | 2008-09-09 | Gm Global Technology Operations, Inc. | Magneto-rheological coupling |
-
2007
- 2007-04-02 CN CNB2007100211619A patent/CN100460701C/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975278B (en) * | 2010-11-04 | 2012-12-26 | 重庆大学 | Self-healing seal device based on magnetorheological rubber and magnetorheological grease and reciprocating mechanism |
| CN101975278A (en) * | 2010-11-04 | 2011-02-16 | 重庆大学 | Self-healing seal device based on magnetorheological rubber and magnetorheological grease and reciprocating mechanism |
| CN102162589A (en) * | 2011-02-07 | 2011-08-24 | 林智勇 | Magnetic fluid radiating led |
| CN102797819A (en) * | 2011-05-27 | 2012-11-28 | 宁夏天地奔牛实业集团有限公司 | Soft starting device and scraper conveyor |
| CN102494100A (en) * | 2011-11-16 | 2012-06-13 | 奇瑞汽车股份有限公司 | Torque management device |
| CN102494100B (en) * | 2011-11-16 | 2014-10-01 | 奇瑞汽车股份有限公司 | Torque management device |
| CN103591234B (en) * | 2013-11-30 | 2016-03-09 | 重庆理工大学 | Based on the wedge shaped squeeze soft starting device of magnetic flow liquid and marmem |
| CN103591234A (en) * | 2013-11-30 | 2014-02-19 | 重庆理工大学 | Wedge-shaped extrusion soft start device based on magnetorheological fluid and shape memory alloy |
| CN104896058B (en) * | 2015-04-22 | 2017-03-08 | 无锡煤矿机械股份有限公司 | A kind of liquid mixed arrangements for speed regulation of magnetic |
| CN104896058A (en) * | 2015-04-22 | 2015-09-09 | 无锡市飞度自动化设备有限公司 | Magnetic-liquid mixed type speed adjusting device |
| CN109328272A (en) * | 2016-04-25 | 2019-02-12 | 埃索欧耐迪克超动力 | Multimode control system for magneto-rheological fluid actuating unit |
| CN106059245A (en) * | 2016-07-08 | 2016-10-26 | 上海纳铁福传动系统有限公司 | Electromagnetic torque manager |
| CN106059245B (en) * | 2016-07-08 | 2018-11-16 | 上海纳铁福传动系统有限公司 | electromagnetic torque manager |
| CN107100946A (en) * | 2017-05-23 | 2017-08-29 | 清华大学 | Intelligent torque control device |
| CN107100946B (en) * | 2017-05-23 | 2019-07-02 | 清华大学 | Intelligent torque control device |
| CN109139736A (en) * | 2018-10-29 | 2019-01-04 | 徐州工程学院 | A kind of multiple excitation magnetic coil magnetic rheological clutch |
| CN110149039A (en) * | 2019-05-15 | 2019-08-20 | 嘉兴学院 | A kind of hybrid magnetorheological fluid-permanent magnet shaft coupling |
| CN111441929A (en) * | 2020-04-26 | 2020-07-24 | 山东理工大学 | High-precision moving-coil electromagnetic direct-drive plunger pump |
| CN111623051A (en) * | 2020-05-20 | 2020-09-04 | 武汉理工大学 | High-power moment-adjustable disc type magnetorheological fluid coupling |
| CN113531081A (en) * | 2021-06-29 | 2021-10-22 | 范金来 | Hydraulic coupler based on magnetorheological fluid |
| CN113531081B (en) * | 2021-06-29 | 2022-12-23 | 南京工诺科技有限公司 | Hydraulic coupler based on magnetorheological fluid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100460701C (en) | 2009-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100460701C (en) | Magnetic rheological hydraulic flexible starter | |
| CN102506094A (en) | Multi-disc type fine-pitch magnetorheological clutch | |
| CN101319695B (en) | Magneto-rheological fluid soft starting device | |
| CN101709751B (en) | Liquid-viscosity loading system | |
| CN102359513B (en) | Water-cooled magnetorheological soft start device | |
| RU2007112951A (en) | BRAKE DEVICE | |
| US3912060A (en) | Clutch with centrifugal pump | |
| CN201037517Y (en) | Magnetorheological fluids soft starter | |
| CN100359198C (en) | Magnetic rheological soft startor | |
| CN201166064Y (en) | Magnetic current liquid changing soft start device | |
| CN102562979A (en) | Magnetorheological fluid transmission device with variable power | |
| US3800930A (en) | Variable speed drive | |
| CN102252047B (en) | Friction-type coupler | |
| CN100470079C (en) | Controllable gummy liquid brake for belt conveyer | |
| CN109450220A (en) | A kind of high-power Wind-cooling type permanent magnetic coupling | |
| CN206569619U (en) | A kind of ribbon conveyer with soft start and overload protection | |
| CN107218320A (en) | Electric current becomes retarder brake | |
| CN104482154B (en) | A kind of rolling and slip mixed film friction stepless speed regulation case | |
| CN202468880U (en) | Magnetorheological fluid transmission device with variable power | |
| CN102297213A (en) | Multi-plate magnetorheological soft start device | |
| CN202402515U (en) | Water-cooled magnetorheological soft start device | |
| CN104455288B (en) | A kind of dynamic friction stepless speed regulation case | |
| CN113153938A (en) | Screw pump type circulating cooling magnetorheological fluid brake | |
| CN110005772B (en) | Permanent magnet type magnetorheological fluid transmission device | |
| CN113007242A (en) | Shape memory alloy controlled single-variable double-cylinder type magnetorheological automatic heat dissipation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090211 Termination date: 20130402 |