CN204692378U - New automobile ER effect automatic clutch - Google Patents

New automobile ER effect automatic clutch Download PDF

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Publication number
CN204692378U
CN204692378U CN201520402119.1U CN201520402119U CN204692378U CN 204692378 U CN204692378 U CN 204692378U CN 201520402119 U CN201520402119 U CN 201520402119U CN 204692378 U CN204692378 U CN 204692378U
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CN
China
Prior art keywords
clutch
sleeve
cylinder assembly
shell body
interference fit
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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.)
Expired - Fee Related
Application number
CN201520402119.1U
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Chinese (zh)
Inventor
王建华
程凯
谢飞
王云成
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Jilin University
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Jilin University
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Priority to CN201520402119.1U priority Critical patent/CN204692378U/en
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Publication of CN204692378U publication Critical patent/CN204692378U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

The utility model discloses a kind of new automobile ER effect automatic clutch, be threaded with engine flywheel after described left shell is sealedly and fixedly connected with right shell body, coaxially be fixedly connected with right shell body in conjunction with gear ring, splined hub and clutch output shaft spline joint, clutch collar is connected by spline slide with splined hub; Seal sleeve is provided with between left and right housing and clutch output shaft; Splined sleeve and clutch output shaft spline joint, splined sleeve is connected with left shell, bearing sleeve respectively, actuating cylinder assembly and driven cylinder are always radially interspersed, the inner side of driven cylinder assembly and splined sleeve interference fit, the inner side of actuating cylinder assembly and bearing sleeve interference fit, the outermost of actuating cylinder assembly and coupling sleeve interference fit, coupling sleeve and right shell body interference fit; Clutch cavity indoor are full of electrorheological fluid, and right shell body is provided with charge and discharge liquid plug; Brush and right shell body circumference are slidably connected, and controllable high-voltage power supply is connected by wire with brush.

Description

New automobile ER effect automatic clutch
Technical field
The utility model relates to a kind of clutch belonging to vehicle transmission field, is specifically related to a kind of new automobile ER effect automatic clutch.
Background technique
The effect of clutch in car transmissions is connecting engine and speed changer, and on automobile, widely used clutch is friction clutcch at present, and it utilizes the Engage and disengage between driving disc and driven disc to carry out transmission and the interruption of power.There are some drawbacks in this clutch, as in vehicle starting and shift process, friction clutcch is separated longer with the process time engaged and steadily, will causes starting and shift shock, and have a strong impact on driving comfortability and transmission part life-span; In addition, along with the wearing and tearing of friction plate during Long-Time Service, platen impacting force diminishes gradually, causes the ability of clutch transmission torque to decline gradually, finally makes its failure mode.
Electrorheological fluid (Electrorheological Fluids is called for short ER) is a kind of suspension at typical condition, and the transformation of liquid-solid can occur instantaneously under the effect of electric field for it.When electric field strength is significantly less than certain critical value, electrorheological fluid is in a liquid state; When electric field strength is much higher than this critical value, it just becomes solid-state; Near the critical value of electric field strength, the viscosity of this suspension becomes large with the increase of electric field strength.Utilize this characteristic of electrorheological fluid, can study a kind of novel clutch, the size namely by changing electric field strength changes its viscosity, thus changes the size of transmitting torque, realizes transmission and the interruption of power.
The research that the people such as Oravsky are correlated with excessively to electrorheological clutch; Jilin University proposed a kind of Electrorheological automatic clutch for automobile, adopted multidisc structure.Have the following advantages: (1) successfully solves the little shortcoming of monolithic electrorheological clutch transmitting torque by multidisc structure, make it have the ability transmitting engine torque; (2) fast response time is Millisecond; (3) whole clutch is low in energy consumption, is a watt level; (4) torque of clutch transmission has continuous controllability, reduces impact when vehicle starting and gearshift.
But current electrorheological clutch also comes with some shortcomings: the people such as (1) Oravsky do not study for the electrorheological clutch of automobile; (2) the driver blade requirement on machining accuracy in multidisc electrorheological clutch is high, complex process, and in the working procedure of clutch, driver blade easily flutter occurs, and even tilts to cause principal and subordinate's moving plate to contact with each other to cause short circuit; (3) although current electrorheological clutch power loss is very low, need the operation that is energized for a long time, the energy of loss still be can not ignore, and needs to reduce energy consumption etc. further.
Summary of the invention
Technical problem to be solved in the utility model overcomes prior art Problems existing, provides a kind of new automobile ER effect automatic clutch utilizing the variation characteristic of electrorheological fluid to realize transmission of power and interruption between motor car engine and speed changer.
For solving the problems of the technologies described above, the utility model adopts following technological scheme to realize, by reference to the accompanying drawings:
A kind of new automobile ER effect automatic clutch, comprises clutch output shaft 7, left shell 11, right shell body 15, charge and discharge liquid plug 2, driven cylinder assembly 5, bearing 6, seal sleeve 8, splined sleeve 10, coupling sleeve 16, actuating cylinder assembly 17, clutch collar 18, engages gear ring 21, splined hub 22, bearing sleeve 23, snap ring 24, brush 28, controllable high-voltage power supply 29; Be threaded with engine flywheel 3 after left shell 11 is sealedly and fixedly connected with right shell body 15, coaxially be fixedly connected with right shell body 15 in conjunction with gear ring 21, splined hub 22 is with clutch output shaft 7 spline joint and with adjacent in conjunction with gear ring 21, clutch collar 18 and splined hub 22 are connected by spline slide and are provided with multiple radial elastic positioning means between clutch collar 18 and splined hub 22; Seal sleeve 8 is equipped with between left and right housing and clutch output shaft 7; Indoor at clutch cavity, splined sleeve 10 and clutch output shaft 7 spline joint, splined sleeve 10 is connected with left shell 11, bearing sleeve 23 respectively by 2 insulation bearings 6, actuating cylinder assembly 17 and driven cylinder assembly 5 radial direction are interspersed, the inner side of driven cylinder assembly 5 and splined sleeve 10 interference fit, the inner side of actuating cylinder assembly 17 and bearing sleeve 23 interference fit, the outermost of actuating cylinder assembly 17 and coupling sleeve 16 interference fit, coupling sleeve 16 and right shell body 15 interference fit; Clutch cavity indoor are full of current liquid, and right shell body 15 is provided with charge and discharge liquid plug 2; Brush 28 and right shell body 15 circumference are slidably connected, and controllable high-voltage power supply 29 is connected by wire with brush 28.
Described a kind of new automobile ER effect automatic clutch, wherein, driven cylinder assembly 5 is made up of multiple metal cylinder, interference fit between each metal cylinder; Described actuating cylinder assembly 17 is made up of multiple metal cylinder, interference fit between each metal cylinder; Each metal cylinder interlaced arrangement diametrically in each metal cylinder and driven cylinder assembly 5 in actuating cylinder assembly 17; The most inner metal cylinder of driven cylinder assembly 5 and splined sleeve 10 interference fit; Actuating cylinder assembly 17 most between inner metal cylinder with bearing sleeve 23, utilize interference fit to be connected, the outermost metal cylinder of actuating cylinder assembly 17 utilizes interference fit to be connected with coupling sleeve 16, and coupling sleeve 16 utilizes interference fit to be connected with right shell body 15.
Described a kind of new automobile ER effect automatic clutch, wherein, the radial elastic positioning means arranged between clutch collar 18 with splined hub 22 is made up of the locating stud 19 mutually abutted and spring 20, radial elastic positioning means is arranged in the radial hole of splined hub 22, clutch collar 18 inwall is provided with the groove coordinated with the radial hole of splined hub 22, for accommodating locating stud end.
Described a kind of new automobile ER effect automatic clutch, wherein, is provided with left insulation board 4 between left shell 11 and engine flywheel 3, engage between gear ring 21 and right shell body 15 and be provided with right insulation board 27.
Described a kind of new automobile ER effect automatic clutch, wherein, is respectively arranged with seal ring 9 between the seal sleeve 8 of splined sleeve 10 and its left and right sides.
Described a kind of new automobile ER effect automatic clutch, wherein, 2 bearings 6 are ceramic bearing.
Compared with prior art, the beneficial effects of the utility model are:
1, new automobile ER effect automatic clutch described in the utility model adopts multi-cartridge structure, and positioning precision is higher, and rigidity is higher, in clutch running, flutter can not occur, and avoids principal and subordinate and moves cylinder assembly and cause short circuit because of contact;
2, new automobile ER effect automatic clutch described in the utility model is by arranging lockable mechanism, makes automobile can remove high voltage on clutch under normal travelling state, thus reduces the energy consumption of electrorheological clutch;
3, the electrorheological fluid in new automobile ER effect automatic clutch described in the utility model can promptly become solid from liquid along with electric field strength changes or become liquid, so have continuous controllability from solid; Due to the continuous controllability of electrorheological fluid, make gearshift steadily, therefore can realize automobile rapidly and starting stably and gearshift by the electric field strength size of conservative control electrorheological fluid;
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is the whole-cutaway view on the structure composition plan view of new automobile ER effect automatic clutch described in the utility model;
The working principle schematic diagram of current liquid of Fig. 2 for adopting in new automobile ER effect automatic clutch described in the utility model;
Fig. 3 is new automobile ER effect automatic clutch described in the utility model operating diagram in a latched condition.
In figure: 1-housing attachment screw; 2-charge and discharge liquid plug; 3-engine flywheel; The left insulation board of 4-; The driven cylinder assembly of 5-; 6-bearing; 7-clutch output shaft; 8-seal sleeve; 9-seal ring; 10-splined sleeve; 11-left shell; 12-gasket seal; The left insulating spacer of 13-; 14-attachment screw; 15-right shell body; 16-coupling sleeve; 17-actuating cylinder assembly; 18-clutch collar; 19-locating stud; 20-spring; 21-engages gear ring; 22-splined hub; 23-bearing sleeve; 24-snap ring; 25-gear ring screw; The right insulating spacer of 26-; The right insulation board of 27-; 28-brush; 29-controllable high-voltage power supply.
Embodiment
Below in conjunction with accompanying drawing, the utility model is explained in detail:
The structure of new automobile ER effect automatic clutch described in the utility model to clutch redesigns, and have employed electrorheological fluid and lockable mechanism, is a kind of clutch of innovation structure.The utility model can change the viscosity of electrorheological fluid by changing electric field strength, thus changes the size of clutch transmission torque.Electrorheological fluid changes from liquid into solid only needs several milliseconds to a few tens of milliseconds, so response is fast; Along with voltage change, electrorheological fluid can become solid from liquid or become liquid, so have continuous controllability from solid; Due to the continuous controllability of electrorheological fluid, make gearshift steadily, therefore can be applied to the electric field strength size in electrorheological fluid by conservative control, realize automobile rapidly and starting stably and gearshift; Lockable mechanism makes the loss power of whole clutch decline, so energy consumption is low.
Consult Fig. 1 to Fig. 3, described new automobile ER effect automatic clutch, comprise 6 housing attachment screws 1, 2 charge and discharge liquid plugs 2, left insulation board 4, driven cylinder assembly 5, 2 bearings 6, clutch output shaft 7, 2 seal sleeves 8, seal ring 9, splined sleeve 10, left shell 11, gasket seal 12, 6 left insulating spacer 13, 6 attachment screws 14, right shell body 15, coupling sleeve 16, actuating cylinder assembly 17, clutch collar 18, 3 locating studs 19, 3 springs 20, engage gear ring 21, splined hub 22, bearing sleeve 23, snap ring 24, 8 gear ring screws 25, 8 right insulating spacer 26, right insulation board 27, brush 28, controllable high-voltage power supply 29, current liquid.
Be threaded with engine flywheel 3 after left shell 11 is sealedly and fixedly connected with right shell body 15, coaxially be fixedly connected with right shell body 15 in conjunction with gear ring 21, splined hub 22 is with clutch output shaft 7 spline joint and with adjacent in conjunction with gear ring 21, clutch collar 18 is connected by spline slide with splined hub 22.
Indoor at clutch cavity, described driven cylinder assembly 5 is made up of multiple metal cylinder, have employed 4 metal cylinder in the implementation case, between each metal cylinder, utilize interference fit to connect, driven cylinder assembly 5 most between inner metal cylinder with splined sleeve 10, utilize interference fit to be connected.Described actuating cylinder assembly 17 is made up of multiple metal cylinder, have employed 4 metal cylinder in the implementation case, interference fit is utilized to connect between each metal cylinder, actuating cylinder assembly 17 most between inner metal cylinder with bearing sleeve 23, utilize interference fit to be connected, the outermost metal cylinder of actuating cylinder assembly 17 utilizes interference fit to be connected with coupling sleeve 16, and coupling sleeve 16 utilizes interference fit to be connected with right shell body 15.In driven cylinder assembly 5 and actuating cylinder assembly 17, the quantity of metal cylinder can need the shearing stress of torque and the current liquid transmitted suitably adjust according to ER effect automatic clutch.
Each metal cylinder interlaced arrangement in radial space in each metal cylinder and driven cylinder assembly in actuating cylinder assembly, space (radial distance between the metal cylinder of the metal cylinder namely in actuating cylinder assembly and adjacent driven cylinder assembly) size between adjacent two metal cylinder is 0.5 ~ 3 millimeter, is full of current liquid in clutch chamber.Utilize spline joint between described splined sleeve 10 and clutch output shaft 7, splined sleeve 10 is connected with left shell 11, bearing sleeve 23 respectively by 2 bearings 6, and the bearing 6 adopted in the implementation case is ceramic bearings.
2 seal sleeves 8 in left and right utilize be threaded with left shell 11, bearing sleeves 23 respectively, be respectively arranged with seal ring 9 between the seal sleeve 8 of splined sleeve 10 and its left and right sides, prevent current liquid from leaking from the surface of contact between splined sleeve 10 and seal sleeve 8.Be provided with gasket seal 12 between left shell 11 and right shell body 15, prevent current liquid from leaking from body contact face, left and right.Left shell 11 and right shell body 15 are linked together by 6 housing attachment screws 1, form clutch chamber between left shell 11 and right shell body 15, the quantity of housing attachment screw 1 suitably can adjust according to the intensity of the size of left and right housing and housing attachment screw 1.
Be provided with left insulation board 4 between described left shell 11 and engine flywheel 3, prevent the high-tension electricity on left shell 11 and right shell body 15 from importing engine flywheel 3 into; Engine flywheel 3 is linked together by 6 attachment screws 14 with left shell 11 and right shell body 15, make the power of motor pass to left shell 11 and right shell body 15, the quantity of attachment screw 14 suitably can adjust according to the intensity of the peak torque of motor generation and attachment screw 14.Described attachment screw 14 and be provided with left insulating spacer 13 between left shell 11 and right shell body 15, prevents the high-tension electricity on left shell 11 and right shell body 15 from importing engine flywheel 3 into by attachment screw 14.
The charge and discharge liquid plug 2 that 2 described structures are identical is threaded connection on right shell body 15.Form circumference between described brush 28 and right shell body 15 to be slidably connected, axially without relative movement.Described brush 28 is connected by wire with between controllable high-voltage power supply 29.Be provided with right insulation board 27 between described joint gear ring 21 and right shell body 15, prevent the high-tension electricity on right shell body 15 from directly importing into and engage gear ring 21.Engaging between gear ring 21 and right shell body 15 utilizes 8 gear ring screws 25 coaxially to link together, and the quantity of gear ring screw 25 suitably can adjust according to the intensity of the peak torque of motor generation and gear ring screw 25.Described gear ring screw 25 is provided with right insulating spacer 26 with engaging between gear ring 21, prevents the high-tension electricity on right shell body 15 from importing into through gear ring screw 25 and engages gear ring 21.
Described clutch collar 18 is processed with internal spline, clutch collar 18 internal face evenly processes 2 ~ 6 grooves; Described splined hub 22 is processed with external splines, splined hub 22 radial direction is evenly processed with 2 ~ 6 holes, the quantity of radial hole is equal with the quantity of clutch collar 18 internal face upper groove.Formed by spline between clutch collar 18 and splined hub 22 and be in axial sliding connection; The radial hole of splined hub 22 is built with the locating stud 19 mutually abutted and spring 20, and under the resilient force of spring 20, locating stud 19 is embedded in the groove on clutch collar 18 internal face.Splined hub 22 and clutch output shaft 7 pass through spline joint.
The new automobile working principle of ER effect automatic clutch:
Engine flywheel 3 drives left shell 11 and right shell body 15 to rotate, and then drive the coupling sleeve 16 that is connected with right shell body 15 interference and actuating cylinder assembly 17 to rotate, owing between each metal cylinder in actuating cylinder assembly 17 being all interference connection, so each metal cylinder in actuating cylinder assembly 17 all rotates with engine synchronization, it is the driving link of electrorheological clutch.After switching on power, electric field is formed between adjacent two metal cylinder, this electric field makes the viscosity of the current liquid in cavity increase, even become solid by liquid, thus connect actuating cylinder assembly 17 and driven cylinder assembly 5, namely engine torque is delivered to each metal cylinder of driven cylinder assembly 5, is delivered to further on the splined sleeve 10 that is connected with the most inner metal cylinder interference of driven cylinder assembly 5, is delivered on clutch output shaft 7 finally by spline.
Because the size of electric field strength affects the shearing stress of current liquid, namely the force-transfer characteristic of current liquid is affected, so can change by the size changing electric field strength the torque being delivered to speed changer by motor, the variance ratio of transmitting torque also can be controlled by the variance ratio of electric field strength, thus make the starting of automobile and shift process smooth-going soft, improve travelling comfort.
After completing starting and gearshift, the rotating speed of the rotating speed of clutch output shaft 7 and engine flywheel 3, right shell body 15 progressively reaches unanimity.After rotating speed is consistent, clutch collar 18 is moved to the left, the inner spline gear of clutch collar 18 part is engaged with joint gear ring 21, another part still engages with splined hub 22, then just can remove the high-tension electricity be carried on right shell body 15, now described new automobile with the work of ER effect automatic clutch in a latched condition.In a latched condition, torque transfer path is: pass to left shell 11 and right shell body 15 from engine flywheel 3, pass on the joint gear ring 21 that links together with right shell body 15 again, pass to further and engage on clutch collar 18 that gear ring 21 is meshed, then pass in the splined hub 22 that is meshed with clutch collar 18, pass on clutch output shaft 7 finally by spline.
Described new automobile ER effect automatic clutch work just can remove the high-tension electricity be carried on right shell body 15 in a latched condition, thus reduces the energy consumption of electrorheological clutch.In a latched condition, the moment of torsion of motor has directly been delivered on clutch output shaft 7 by mechanical connection, so transmission efficiency is very high, energy consumption is low.

Claims (6)

1. a new automobile ER effect automatic clutch, it is characterized in that, comprise clutch output shaft (7), left shell (11), right shell body (15), charge and discharge liquid plug (2), driven cylinder assembly (5), splined sleeve (10), coupling sleeve (16), actuating cylinder assembly (17), clutch collar (18), engage gear ring (21), splined hub (22), bearing sleeve (23), snap ring (24), brush (28), controllable high-voltage power supply (29), be threaded with engine flywheel (3) after described left shell (11) is sealedly and fixedly connected with right shell body (15), engage gear ring (21) to be coaxially fixedly connected with right shell body (15), splined hub (22) is with clutch output shaft (7) spline joint and with to engage gear ring (21) adjacent, clutch collar (18) and splined hub (22) are connected by spline slide and are provided with multiple radial elastic positioning means between clutch collar (18) and splined hub (22), seal sleeve (8) is equipped with between left and right housing and clutch output shaft (7), indoor at clutch cavity, splined sleeve (10) and clutch output shaft (7) spline joint, splined sleeve (10) by 2 insulation bearings (6) respectively with left shell (11), bearing sleeve (23) connects, actuating cylinder assembly (17) and driven cylinder assembly (5) radial direction are interspersed, the inner side of driven cylinder assembly (5) and splined sleeve (10) interference fit, the inner side of actuating cylinder assembly (17) and bearing sleeve (23) interference fit, the outermost of actuating cylinder assembly (17) and coupling sleeve (16) interference fit, coupling sleeve (16) and right shell body (15) interference fit, clutch cavity indoor are full of electrorheological fluid, and right shell body (15) is provided with charge and discharge liquid plug (2), brush (28) and right shell body (15) circumference are slidably connected, and controllable high-voltage power supply (29) is connected by wire with brush (28).
2. a kind of new automobile ER effect automatic clutch as claimed in claim 1, is characterized in that, described driven cylinder assembly (5) is made up of multiple metal cylinder, interference fit between each metal cylinder; Described actuating cylinder assembly (17) is made up of multiple metal cylinder, interference fit between each metal cylinder; Each metal cylinder interlaced arrangement diametrically in each metal cylinder and driven cylinder assembly (5) in actuating cylinder assembly (17); The most inner metal cylinder of driven cylinder assembly (5) and splined sleeve (10) interference fit; Actuating cylinder assembly (17) most between inner metal cylinder with bearing sleeve (23), utilize interference fit to be connected, the outermost metal cylinder of actuating cylinder assembly (17) utilizes interference fit to be connected with coupling sleeve (16), and coupling sleeve (16) utilizes interference fit to be connected with right shell body (15).
3. a kind of new automobile ER effect automatic clutch as claimed in claim 1, it is characterized in that, the radial elastic positioning means arranged between described clutch collar (18) with splined hub (22) is made up of the locating stud mutually abutted (19) and spring (20), radial elastic positioning means is arranged in the radial hole of splined hub (22), clutch collar (18) inwall is provided with the groove coordinated with the radial hole of splined hub (22), for accommodating locating stud (19) end.
4. a kind of new automobile ER effect automatic clutch as claimed in claim 1, it is characterized in that, be provided with left insulation board (4) between described left shell (11) and engine flywheel (3), engage between gear ring (21) and right shell body (15) and be provided with right insulation board (27).
5. a kind of new automobile ER effect automatic clutch as claimed in claim 1, is characterized in that, is respectively arranged with seal ring (9) between the seal sleeve (8) of described splined sleeve (10) and its left and right sides.
6. according to new automobile ER effect automatic clutch according to claim 1, it is characterized in that, 2 described bearings (6) are ceramic bearing.
CN201520402119.1U 2015-06-11 2015-06-11 New automobile ER effect automatic clutch Expired - Fee Related CN204692378U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520402119.1U CN204692378U (en) 2015-06-11 2015-06-11 New automobile ER effect automatic clutch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520402119.1U CN204692378U (en) 2015-06-11 2015-06-11 New automobile ER effect automatic clutch

Publications (1)

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CN204692378U true CN204692378U (en) 2015-10-07

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CN201520402119.1U Expired - Fee Related CN204692378U (en) 2015-06-11 2015-06-11 New automobile ER effect automatic clutch

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104863989A (en) * 2015-06-11 2015-08-26 吉林大学 Novel automotive electro-rheological automatic clutch
CN107218320A (en) * 2017-08-01 2017-09-29 北京理工大学 Electric current becomes retarder brake

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104863989A (en) * 2015-06-11 2015-08-26 吉林大学 Novel automotive electro-rheological automatic clutch
CN107218320A (en) * 2017-08-01 2017-09-29 北京理工大学 Electric current becomes retarder brake

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151007

Termination date: 20170611