CN205173301U - Magnetorheological suspensions arresting gear - Google Patents
Magnetorheological suspensions arresting gear Download PDFInfo
- Publication number
- CN205173301U CN205173301U CN201520948195.2U CN201520948195U CN205173301U CN 205173301 U CN205173301 U CN 205173301U CN 201520948195 U CN201520948195 U CN 201520948195U CN 205173301 U CN205173301 U CN 205173301U
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- rotor
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- thrust plate
- magnetic flow
- flow liquid
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Abstract
The utility model relates to a magnetorheological suspensions arresting gear, include: a housing, inlet and liquid outlet have been seted up on the casing, inside liquid inlet channel and the liquid channel of having seted up of casing, inlet and liquid inlet channel intercommunication, liquid channel and liquid outlet intercommunication, install the stator in the casing internal cavity, a rotor and a left side, right side valve plate, the stator encloses locates the rotor outside, the transmission shaft is inserted and is located in the casing, a rotor and a left side, right side valve plate suit is on the transmission shaft, the transmission shaft drives the rotor and rotates, install the blade on the rotor, a stator, a rotor and a left side, form the die cavity between the valve plate of the right side, magnetorheological suspensions fills in the die cavity, the both ends of die cavity are provided with excitation coil respectively, excitation coil is close to blade one side and is provided with at a distance from the magnetism copper sheathing, on a left side, it has seted up the imbibition hole respectively and has pressed the liquid hole to correspond the position with transition curve on the valve plate of the right side. The utility model discloses a device novel structure has increased braking moment, has improved the too little defect of current magnetorheological suspensions stopper braking moment, and moment continuously adjustable, response speed are fast.
Description
Technical field:
The utility model relates to braking device technical field, is specifically related to a kind of magnetic flow liquid braking device.
Background technique:
Since 1840s, since Rabinow has found the rheological properties of magnetic flow liquid, magnetic flow liquid has become an important directions of intellectual material research.Magnetic flow liquid is a kind of SMART FLUID material, and it is by the suspension mixed of high magnetic permeability, low hysteresis made nanometer soft magnetic granules and non-magnetic liquid.When without externally-applied magnetic field, it shows as low viscosity class Newtonian fluid characteristic under zero magnetic fields, and once add externally-applied magnetic field, its fluid properties will occur sharply to change, in several milliseconds, non-Newtonian fluid can be become from the good Newtonian fluid of flowing at magnetic fields, present high viscosity, lazy flow class solid state, and this change is continuous reversible and is easy to control rapidly.Magnetic rheological brake is as one of magnetic flow liquid application, magnetic flow liquid braking device is braked with the viscous shear of magnetic flow liquid, have that volume is little, energy consumption is low, respond the advantages such as fast, but conventional magneto-rheologic liquid brake exists, and braking moment is little, the shortcoming such as poor of dispelling the heat, and constrains its application.
Model utility content:
The purpose of this utility model be to provide novel structure and braking moment comparatively large, dispel the heat magnetic flow liquid braking device good.
For achieving the above object, the utility model is by the following technical solutions:
A kind of magnetic flow liquid braking device, comprise: housing, housing offers liquid entering hole and liquid outlet, enclosure interior offers feed pathway and liquid outlet channel, described liquid entering hole is communicated with feed pathway, described liquid outlet channel is communicated with liquid outlet, in housing, middle part is cavity structure, in cavity, stator is installed, rotor and a left side, right thrust plate, stator is located in outside rotor, transmission shaft is inserted in housing, described rotor and a left side, right thrust plate is sleeved on transmission shaft, described left thrust plate and right thrust plate are held in rotor both sides respectively, left thrust plate and right thrust plate are all affixed with housing, described transmission shaft drives described rotor turns, rotor is provided with blade, described stator, rotor and a left side, die cavity is formed between right thrust plate, magnetic flow liquid is filled in die cavity, the two ends of die cavity are respectively arranged with field coil, field coil is provided with every magnetic copper sheathing near blade side, described stator inner wall sectional shape is irregular cycle, be made up of the first circular arc and the second circular arc, first radius of arc is greater than the second radius of arc, connected by transition curve between described first circular arc and the second circular arc, left and right thrust plate offers imbibing hole and hydraulic fluid hole respectively with transition curve corresponding position, described imbibing hole is communicated with feed pathway, for the magnetic flow liquid in feed pathway is sucked die cavity by imbibing hole, described hydraulic fluid hole is communicated with liquid outlet channel, for the magnetic flow liquid in die cavity is extruded die cavity by hydraulic fluid hole.
Described blade lean is arranged on rotor, and the angle of inclination between blade and the axis of rotor is 10 ~ 14 °, blade bottom by spring and rotor affixed.
Described field coil is provided with sealing plate near the sidewall of left and right thrust plate.
Described sealing plate is fixed in every magnetic copper sheathing two ends, is structure as a whole with every magnetic copper sheathing.
Described left thrust plate and right thrust plate are fastened by screw and are fixed together, and are installed on the both sides of stator, coaxially arrange with described transmission shaft.
Described left thrust plate is annular slab, and annular slab being offered imbibing hole is through hole, and imbibing hole is communicated with described feed pathway, and annular slab being offered hydraulic fluid hole is blind hole, for buffering.
Described right thrust plate is annular slab, and the imbibing hole that annular slab is offered is blind hole, and imbibing hole is communicated with described feed pathway, and annular slab being offered hydraulic fluid hole is through hole, and hydraulic fluid hole is communicated with described liquid outlet channel.
Described housing comprises pedestal, and pedestal two ends are respectively arranged with left end cap and right end cap, and transmission shaft is connected to left end cap and right end cap by bearing, is compressed by bearing by locking nut, and described transmission shaft rotor driven rotates.
Described right thrust plate is provided with protuberance, and right end cap inside is provided with reentrant part, and described protuberance coordinates with reentrant part, and gap is left in cooperation place, and form circular groove, circular groove is communicated with liquid outlet channel with hydraulic fluid hole.
Described liquid entering hole is communicated with by external seal container with liquid outlet, forms loop.
The material of described transmission shaft, rotor, blade and left and right thrust plate is nonmagnetic substance.
Described rotor is fixedly connected with by spline with transmission shaft.
The beneficial effect of a kind of magnetic flow liquid braking device of the utility model: the viscosity B coefficent based on magnetic flow liquid has continuously, quick and reversible feature, apparatus structure of the present utility model is novel, increase braking moment, improve the defect that existing magneto-rheologic liquid brake braking moment is too little, and moment continuously adjustabe, fast response time is with stable, when blade rotary, irregularly shaped due to stator inner wall, between the blade that blade rotation causes there is mechanical periodicity in volume, producing pressure reduction makes magnetic flow liquid flow in runner, when circuit passes into current induced magnetic field to field coil, magnetic flow liquid is cured instantaneously, the very large resisting moment produced in magnetic flow liquid flowing process, simultaneously, the relative movement of magnetic flow liquid and stator forms the shear flow being similar to dull and stereotyped gap, the yield strength of magnetic flow liquid increases, the rotation of blade needs to overcome the shearing moment that magnetic rheology effect produces, make braking moment much larger than the simple shearing moment overcoming magnetic rheology effect and produce, and magnetic flow liquid is circulated by the formation of external seal container, only need take radiating and cooling measure to outside seal container, can realize controlling the temperature of magnetic flow liquid, meet the demand used.
Accompanying drawing illustrates:
Fig. 1 is a kind of cross-sectional view of magnetic flow liquid braking device;
Fig. 2 is the A-A face generalized section of Fig. 1;
Fig. 3 is the B-B face generalized section of Fig. 1;
Fig. 4 is the partial structurtes schematic diagram of blade;
Fig. 5 is the structural representation of stator;
Fig. 6 is the structural representation of left thrust plate;
Fig. 7 is the plan view of left thrust plate;
Fig. 8 is the top plan view of Fig. 7;
Fig. 9 is the left pseudosection of Fig. 7;
Figure 10 is the plan view of right thrust plate;
Figure 11 is the top plan view of Figure 10;
Figure 12 is the left pseudosection of Figure 10;
1-housing, 2-pedestal, 3-left end cap, 4-right end cap, 5-liquid entering hole, 6-liquid outlet, 7-feed pathway, 8-liquid outlet channel, 9-stator, 10-rotor, the left thrust plate of 11-, the right thrust plate of 12-, 13-transmission shaft, 14-screw, 15-groove, 16-blade, 17-spring, 18-magnetic flow liquid, 19-field coil, 20-is every magnetic copper sheathing, 21-sealing plate, 22-first circular arc, 23-second circular arc, 24-First Transition curve, 25-second transition curve, 26-the 3rd transition curve, 27-the 4th transition curve, 28-first imbibing hole, 29-second imbibing hole, 30-first hydraulic fluid hole, 31-second hydraulic fluid hole, 32-protuberance, 33-reentrant part, 34-circular groove.
Embodiment:
Below in conjunction with embodiment, the utility model is described in further detail.
According to Fig. 1 and Fig. 3, a kind of magnetic flow liquid braking device, comprise: housing 1, housing 1 comprises pedestal 2, pedestal 2 two ends are respectively arranged with left end cap 3 and right end cap 4, housing 1 offers liquid entering hole 5 and liquid outlet 6, housing 1 inside offers feed pathway 7 and liquid outlet channel 8, described liquid entering hole 5 is communicated with feed pathway 7, described liquid outlet channel 8 is communicated with liquid outlet 6, in housing 1, middle part is cavity structure, stator 9 is installed in cavity, rotor 10 and left thrust plate 11, right thrust plate 12, stator 9 is located in outside rotor 10, transmission shaft 13 is connected to left end cap 3 and right end cap 4 by bearing, by locking nut, bearing is compressed, and then transmission shaft 13 is inserted in housing 1, described rotor 10 and a left side, right thrust plate 12 is sleeved on transmission shaft 13, rotor 10 is fixedly connected with by spline with transmission shaft 13, together with left thrust plate 11 and right thrust plate 12 are fastened by screw 14, be installed on the both sides of stator 9, coaxially arrange with transmission shaft 13, and left thrust plate 11 is all fixedly connected with housing 1 with right thrust plate 12, transmission shaft 13 can drive described rotor 10 to rotate, as shown in Fig. 4 ~ Fig. 5, rotor 10 offers groove 15, blade 16 is plugged in described groove 15, by the bottom of the affixed groove 15 of spring 17 bottom blade 16, ensure that the sealing that blade 16 and rotor 10 joint are good, prevent magnetic flow liquid 18 from overflowing into and cause blocking, angle of inclination between described groove 15 and the axis of rotor 10 is 10 °, described stator 9, rotor 10 and a left side, die cavity is formed between right thrust plate, magnetic flow liquid 18 is filled in die cavity, the two ends of die cavity are respectively arranged with field coil 19, field coil 19 is provided with every magnetic copper sheathing 20 near blade 16 side, described transmission shaft 13, rotor 10, blade 16 and a left side, the material of right thrust plate is nonmagnetic substance, ensure that braking process is not affected, every magnetic copper sheathing 20 two ends, integral type is connected with sealing plate 21, die cavity is sealed, prevent magnetic flow liquid 18 from overflowing, the two end part being provided with field coil are infiltered in die cavity from sidewall, contact with field coil.
As shown in Figure 2, described stator 9 inner wall section shape is irregular cycle, be made up of the first circular arc 22 and the second circular arc 23, first circular arc 22 radius is greater than the second circular arc 23 radius, connected by transition curve between described first circular arc 22 and the second circular arc 23, the transition curve arranged makes in rotor 10 rotation process, blade 16 can be adjacent on stator 9 internal surface, ensure blade 16 in groove 15 radial motion hourly velocity and acceleration change even, the impact of the internal surface of blade 16 pairs of stators 9 reduces, on a left side, right thrust plate 12 offers imbibing hole and hydraulic fluid hole respectively with transition curve corresponding position, described imbibing hole is communicated with feed pathway 7, for the magnetic flow liquid 18 in feed pathway 7 is sucked die cavity by imbibing hole, described hydraulic fluid hole is communicated with liquid outlet channel 8, for the magnetic flow liquid 18 in die cavity is extruded die cavity by hydraulic fluid hole, described inlet opening is communicated with external seal container with liquid outlet opening, the runner of the magnetic flow liquid 18 of whole device is made to form loop.
As shown in Figure 2, described first circular arc 22 and the second circular arc 23 have two sections respectively, transition curve for connecting the first circular arc 22 and the second circular arc 23 has four sections, be respectively First Transition curve 24, second transition curve 25, 3rd transition curve 26, 4th transition curve 27, when rotor 10 rotates clockwise, first, 3rd transition curve connects the second circular arc 23 to the first circular arc 22, radian increases progressively, when blade 16 rotates, between blade 16 and stator 9 inwall, cavity increases, form imbibition, second, 4th transition curve connects the first circular arc 22 to the second circular arc 23, radian successively decreases, blade 16 rotates, between blade 16 and stator 9 inwall, cavity reduces, form hydraulic fluid, left thrust plate 11 is annular slab, correspondence first on left thrust plate 11, 3rd transition curve corresponding position offers the first imbibing hole 28, first imbibing hole 28 is communicated with feed pathway 7, magnetic flow liquid 18 in feed pathway 7 is sucked die cavity by the first imbibing hole 28, correspondence second on left thrust plate 11, 4th transition curve corresponding position offers the first hydraulic fluid hole 30, first hydraulic fluid hole 30 is blind hole, play buffer function, right thrust plate 12 is annular slab, correspondence first on right thrust plate 12, 3rd transition curve corresponding position offers the second imbibing hole 29, second imbibing hole 29 is communicated with feed pathway 7, magnetic flow liquid 18 in feed pathway 7 is sucked die cavity by the second imbibing hole 29, correspondence second on right thrust plate 12, 4th transition curve corresponding position offers the second hydraulic fluid hole 31, second hydraulic fluid hole 31 is communicated with liquid outlet channel 8, for the magnetic flow liquid 18 in die cavity is extruded die cavity by the second hydraulic fluid hole 31, enter liquid outlet channel 8, the runner of the inner magnetic flow liquid of housing 1 is made to form loop, and then the magnetic flow liquid in whole device can be circulated, be conducive to the heat radiation of magnetic flow liquid.
Further, as shown in figs. 6-9, described first imbibing hole 28 is fan-shaped pylone, and magnetic flow liquid 18 enters die cavity by fan-shaped pylone, and the first hydraulic fluid hole 30 is arc blind hole, for preventing pressure from sharply increasing suddenly, plays buffer function; As shown in Figure 10 ~ Figure 12, second imbibing hole 29 is fan-shaped blind hole, fan-shaped blind hole top cambered surface is communicated with feed pathway 7, magnetic flow liquid 18 enters die cavity by fan-shaped pylone, second hydraulic fluid hole 31 is arc-shaped through-hole, magnetic flow liquid 18 enters liquid outlet channel 8 by arc-shaped through-hole, and fan-shaped radian and arc radian are all identical with transition curve radian.
Further, right thrust plate 12 is provided with protuberance 32, right end cap 4 inside is provided with reentrant part 33, and described protuberance 32 coordinates with reentrant part 33, and gap is left in cooperation place, and form circular groove 34, circular groove 34 is communicated with liquid outlet channel 8 with hydraulic fluid hole.
A kind of magnetic flow liquid braking device of the utility model is achieved in that
When rotor 10 rotates, under centrifugal force and spring 17 thrust, blade 16 is released, stator 9 internal surface is close on blade 16 top, makes to form independently chamber between every two blades 16, serves seal action, when blade 16 moves to the first circular arc 22 along the second circular arc 23 at rotor 10 inwall, irregularly shaped because of rotor 10 inwall, cavity volume between blade 16 changes, with first, the blade cavity volume increase that 3rd transition curve position is corresponding, by the imbibing hole that thrust plate is arranged, the magnetic flow liquid in feed pathway 7 is sucked die cavity, correspondingly, with second, the blade cavity volume reduction that 4th transition curve position is corresponding, by the hydraulic fluid hole that thrust plate is arranged, the magnetic flow liquid in die cavity is extruded die cavity by hydraulic fluid hole, rotor 10 often circles, complete twice suction process, magnetic flow liquid is communicated with external seal container by inlet opening with liquid outlet opening, the runner of the magnetic flow liquid of whole device is made to form loop, magnetic flow liquid can circulate, also the heat radiation of magnetic flow liquid is conducive to, when circuit does not pass into electric current to field coil 19, magnetic flow liquid 18 flows and does not substantially produce braking effect in whole circulation die cavity, when circuit passes into electric current to field coil 19, magnetic field is produced between field coil 19, magnetic flow liquid moment under magnetic fields is magnetized admittedly, becomes non-Newtonian fluid, present high viscosity, lazy flow class solid state from the good Newtonian fluid of flowing, mobility reduces rapidly, on the one hand the circulating to be obstructed and produce larger braking moment of magnetic flow liquid, magnetic flow liquid produces the relative movement with stator 9 on the other hand, defines shear flow, makes the rotation of blade 16 need the shearing moment overcome caused by magnetic rheology effect, and the two forms larger braking moment jointly, completes the object of braking.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify to embodiment of the present utility model or equivalent replacement, and not departing from any amendment of the utility model spirit and scope or equivalent replacement, it all should be encompassed in the middle of this right.
Claims (10)
1. a magnetic flow liquid braking device, it is characterized in that: comprising: housing, housing offers liquid entering hole and liquid outlet, enclosure interior offers feed pathway and liquid outlet channel, described liquid entering hole is communicated with feed pathway, described liquid outlet channel is communicated with liquid outlet, in housing, middle part is cavity structure, in cavity, stator is installed, rotor and a left side, right thrust plate, stator is located in outside rotor, transmission shaft is inserted in housing, described rotor and a left side, right thrust plate is sleeved on transmission shaft, described left thrust plate and right thrust plate are held in rotor both sides respectively, left thrust plate and right thrust plate are all affixed with housing, described transmission shaft drives described rotor turns, rotor is provided with blade, described stator, rotor and a left side, die cavity is formed between right thrust plate, magnetic flow liquid is filled in die cavity, the two ends of die cavity are respectively arranged with field coil, field coil is provided with every magnetic copper sheathing near blade side, described stator inner wall sectional shape is irregular cycle, be made up of the first circular arc and the second circular arc, first radius of arc is greater than the second radius of arc, connected by transition curve between described first circular arc and the second circular arc, left and right thrust plate offers imbibing hole and hydraulic fluid hole respectively with transition curve corresponding position, described imbibing hole is communicated with feed pathway, for the magnetic flow liquid in feed pathway is sucked die cavity by imbibing hole, described hydraulic fluid hole is communicated with liquid outlet channel, for the magnetic flow liquid in die cavity is extruded die cavity by hydraulic fluid hole.
2. a kind of magnetic flow liquid braking device according to claim 1, is characterized in that: described blade lean is arranged on rotor, and the angle of inclination between blade and the axis of rotor is 10 ~ 14 °, blade bottom by spring and rotor affixed.
3. a kind of magnetic flow liquid braking device according to claim 1, is characterized in that: described field coil is provided with sealing plate near the sidewall of left and right thrust plate.
4. a kind of magnetic flow liquid braking device according to claim 1, is characterized in that: described left thrust plate and right thrust plate are fastened by screw and be fixed together, and are installed on the both sides of stator, coaxially arrange with described transmission shaft.
5. a kind of magnetic flow liquid braking device according to claim 1, it is characterized in that: described left thrust plate is annular slab, annular slab being offered imbibing hole is through hole, and imbibing hole is communicated with described feed pathway, annular slab being offered hydraulic fluid hole is blind hole, for buffering.
6. a kind of magnetic flow liquid braking device according to claim 1, it is characterized in that: described right thrust plate is annular slab, the imbibing hole that annular slab is offered is blind hole, and imbibing hole is communicated with described feed pathway, annular slab being offered hydraulic fluid hole is through hole, and hydraulic fluid hole is communicated with described liquid outlet channel.
7. a kind of magnetic flow liquid braking device according to claim 1, it is characterized in that: described housing comprises pedestal, pedestal two ends are respectively arranged with left end cap and right end cap, transmission shaft is connected to left end cap and right end cap by bearing, compressed by bearing by locking nut, described transmission shaft rotor driven rotates.
8. a kind of magnetic flow liquid braking device according to claim 7, it is characterized in that: described right thrust plate is provided with protuberance, right end cap inside is provided with reentrant part, described protuberance coordinates with reentrant part, gap is left in cooperation place, form circular groove, circular groove is communicated with liquid outlet channel with hydraulic fluid hole.
9. a kind of magnetic flow liquid braking device according to claim 1, is characterized in that: described liquid entering hole is communicated with by external seal container with liquid outlet, forms loop.
10. a kind of magnetic flow liquid braking device according to claim 1, is characterized in that: described transmission shaft, rotor, blade and left and right thrust plate material are nonmagnetic substance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948195.2U CN205173301U (en) | 2015-11-24 | 2015-11-24 | Magnetorheological suspensions arresting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948195.2U CN205173301U (en) | 2015-11-24 | 2015-11-24 | Magnetorheological suspensions arresting gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173301U true CN205173301U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520948195.2U Withdrawn - After Issue CN205173301U (en) | 2015-11-24 | 2015-11-24 | Magnetorheological suspensions arresting gear |
Country Status (1)
| Country | Link |
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| CN (1) | CN205173301U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351398A (en) * | 2015-11-24 | 2016-02-24 | 东北大学 | Magnetorheological fluid braking device |
| CN111075862A (en) * | 2020-03-02 | 2020-04-28 | 浠诲嘲 | Magnetorheological fluid brake and control method thereof |
| CN112027423A (en) * | 2020-09-14 | 2020-12-04 | 刘廷佑 | Outdoor municipal garbage bin that can speed limit removed |
| CN114922919A (en) * | 2022-02-09 | 2022-08-19 | 富奥汽车零部件股份有限公司 | Cycloidal rotor type magnetorheological fluid high-pressure retarder |
| CN114922920A (en) * | 2022-02-09 | 2022-08-19 | 富奥汽车零部件股份有限公司 | High-pressure cycloid rotor type magnetorheological fluid retarder electric control system and control method |
-
2015
- 2015-11-24 CN CN201520948195.2U patent/CN205173301U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351398A (en) * | 2015-11-24 | 2016-02-24 | 东北大学 | Magnetorheological fluid braking device |
| CN111075862A (en) * | 2020-03-02 | 2020-04-28 | 浠诲嘲 | Magnetorheological fluid brake and control method thereof |
| CN111075862B (en) * | 2020-03-02 | 2021-04-23 | 任峰 | Magnetorheological fluid brake and control method thereof |
| WO2021174502A1 (en) * | 2020-03-02 | 2021-09-10 | 任峰 | Magnetorheological fluid brake and control method therefor |
| CN112027423A (en) * | 2020-09-14 | 2020-12-04 | 刘廷佑 | Outdoor municipal garbage bin that can speed limit removed |
| CN112027423B (en) * | 2020-09-14 | 2022-11-01 | 广东明龙建设有限公司 | Outdoor municipal garbage bin that can speed limit removed |
| CN114922919A (en) * | 2022-02-09 | 2022-08-19 | 富奥汽车零部件股份有限公司 | Cycloidal rotor type magnetorheological fluid high-pressure retarder |
| CN114922920A (en) * | 2022-02-09 | 2022-08-19 | 富奥汽车零部件股份有限公司 | High-pressure cycloid rotor type magnetorheological fluid retarder electric control system and control method |
| CN114922920B (en) * | 2022-02-09 | 2023-06-30 | 富奥汽车零部件股份有限公司 | High-pressure cycloid rotor type magnetorheological fluid retarder electric control system and control method |
| CN114922919B (en) * | 2022-02-09 | 2023-07-04 | 富奥汽车零部件股份有限公司 | Cycloid rotor type magnetorheological fluid high-pressure retarder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160420 Effective date of abandoning: 20170811 |
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| AV01 | Patent right actively abandoned |