CN205841748U - adjustable magnetic floating oil mist sealing device - Google Patents
adjustable magnetic floating oil mist sealing device Download PDFInfo
- Publication number
- CN205841748U CN205841748U CN201620739209.4U CN201620739209U CN205841748U CN 205841748 U CN205841748 U CN 205841748U CN 201620739209 U CN201620739209 U CN 201620739209U CN 205841748 U CN205841748 U CN 205841748U
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- ring
- magnetic
- pole
- magnetic post
- floating
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- 238000007667 floating Methods 0.000 title claims abstract description 70
- 238000007789 sealing Methods 0.000 title claims abstract description 21
- 239000003595 mist Substances 0.000 title claims abstract description 13
- 238000012856 packing Methods 0.000 claims description 35
- 238000005516 engineering process Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010009 beating Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a kind of adjustable magnetic floating oil mist sealing device, upper and lower lobe seat ring has multiple upper and lower adjustment screw being fixed with upper and lower adjustment magnetic post, symmetrical each upper and lower stopper slot is fixed with a pair N extremely relative to upper and lower spacing interior magnetic piece, upper and lower floating seal ring external diameter embed multiple or multipair N pole and upper and lower adjustment magnetic post N extremely relative to upper and lower ring magnetic post；It is respectively symmetrically the embedding outer magnetic stripe of upper and lower ring and its N extremely correspondence inserts paired center, territory, upper and lower spacing interior magnetic piece N polar region, the upper and lower left and right end of floating seal ring embed S pole and N extremely relative to upper and lower end magnetic post, with closing bolt, upper and lower sealing lid is fixed on outward flange, by upper and lower cover, upper and lower lobe seat ring being fixed on bearing (ball) cover after one domain of synthesis by conjunction face, the technical scheme that this utility model relates to will be widely used in electrical generator fields and other association area.
Description
Technical field:
Involved by this utility model is a kind of device for dynamo bearing end cap oil mist sealing.
Background technology:
The oil mist sealing device that vertical, the sleeping bearing (ball) cover of current high-rating generator uses uses hard packing floating seal substantially
Structure, rotates together with big axle for the floating seal ring preventing floating seal body to constitute, and uses waist-shaped hole and screw to carry out spacing,
This limit method makes whole floating seal ring entirety cannot follow big axle and beat 360 ° of scopes, even causes mill axle phenomenon；
Every lobe floating seal body uses flat spring pretension so that movable when following big axle and beating, and flat spring is easily because of mechanical fatigue
Lost efficacy, and lost the floating seal ring of pretightning force and just cannot follow big axle and beat, thus cause leakage of oil.So, this area is badly in need of one
Plant simple in construction, pretightning force did not lost efficacy, can follow again the dynamo bearing end cap seal mist of oil that big axle is beated in the range of 360 °
Device.
Summary of the invention:
This utility model is directed to a scheme being better than prior art, and it is mainly technically characterized ny: multiple fixing
The upper adjustment screw having upper adjustment magnetic post is screwed in the adjustment screw being distributed on above epivalve seat ring, multipair N extremely relative to upper
Spacing interior magnetic piece symmetry be fixed on symmetry upper limit position groove in, in every pair of upper limit two N pole surface distance a=20 of magnetic piece～
30mm is adjustable, needs adjusting outside magnetic post parallel embedding floating rotary packing ring in multiple or multipair upper ring magnetic post correspondence according to technology
In footpath, embed in floating rotary packing ring external diameter extremely symmetrical for the S of outer for multiple upper rings magnetic stripe, two upper end magnetic posts are respectively embedded into
Two ends, floating seal ring left and right, the S pole of the N of upper end magnetic post extremely corresponding lower end magnetic post, floating rotary packing ring is placed in upper sealing ring
In chamber and each or every pair of upper ring magnetic post N pole is the most corresponding with the N of upper adjustment magnetic post, the centrage of upper adjustment magnetic post with
The centrage of each upper ring magnetic post or paired upper ring magnetic column symmetry axle overlap, surface, upper adjustment magnetic post N pole with corresponding one
Or ring magnetic post N pole surface distance b is 4～20mm adjustable on a pair, the outer magnetic stripe N pole of the symmetrical upper ring embedded on floating rotary packing ring
Two N being placed in upper limit position groove extremely relative to upper limit in center, territory, magnetic piece N polar region, magnetic piece N pole in two upper limits
Magnetic stripe N pole surface outer with upper ring, surface is adjustable at a distance of c=5～10mm, and the outer magnetic stripe upper end of upper limit has one with upper limit position groove bottom surface
Fixed floating distance, being placed in epivalve seat ring with uniform upper ring magnetic post and to the floating rotary packing ring being much of the outer magnetic stripe of ring
In, epivalve seat ring internal diameter is adjustable with floating rotary packing ring outer surface distance d=4～10mm, with top cover labyrinth is solid closing bolt
It is scheduled on above the outward flange of epivalve seat ring；Multiple lower adjustment screws being fixed with lower adjustment magnetic post are screwed into and are distributed on hypovalve seat ring
In adjustment screw above, multipair N extremely relative to lower limit in magnetic piece symmetry be fixed on symmetry lower limit groove in, under every pair
Two N surface pole spans of spacing interior magnetic piece are adjustable from a=20～30mm, need multiple or multipair lower ring magnetic post corresponding according to technology
The lower adjustment parallel embedding of magnetic post is floated downward in rotary packing ring external diameter, embeds lower floating seal extremely symmetrical for the S of outer for multiple lower rings magnetic stripe
In ring external diameter, two lower end magnetic posts are respectively embedded into two ends, rotary packing ring left and right of floating downward, the N of lower end magnetic post extremely corresponding upper end magnetic post
S pole, rotary packing ring of floating downward is placed in lower seal ring cavity, and each or N pole of every pair of lower ring magnetic post and lower adjustment magnetic
The N of post is the most corresponding, the centrage of lower adjustment magnetic post and the centrage of each lower ring magnetic post or paired lower ring magnetic column symmetry axle weight
Closing, surface, lower adjustment magnetic post N pole is 4～20mm adjustable with corresponding one or a pair time ring magnetic post N pole surface distance b, symmetry
Embed two N that the outer magnetic stripe N pole of the lower ring floated downward on rotary packing ring is placed in lower limit groove extremely relative to lower limit in magnetic piece N pole
Regional center position, in two lower limit, magnetic stripe N pole surface outer with lower ring, surface, magnetic piece N pole is adjustable at a distance of c=5～10mm, under
Spacing outer magnetic stripe upper end and lower limit groove bottom have certain floating distance, with uniform lower ring magnetic post and the lower ring of symmetry
The rotary packing ring of floating downward of outer magnetic stripe is placed in hypovalve seat ring, hypovalve seat ring internal diameter with float downward rotary packing ring outer surface distance d=4～
10mm is adjustable, lower sealing cover is fixed on above the outward flange of hypovalve seat ring with closing bolt；With big axle for axis of symmetry epivalve
Seat ring and hypovalve seat ring are combined, with close bolt by upper cover conjunction face and lower cover whole for the conjunction face composition one that is fixed together
Ring, then with closing bolt, this domain is fixed on dynamo bearing end cap by the flange hole on inner flange.Wherein, above,
Hypovalve seat ring uses non-magnet material to make, such as aluminium alloy, stainless steel material etc.；Upper and lower floating seal ring uses non-metallic material
Material is made, as the material such as high strength graphite, polyimides is made.Upper and lower floating seal ring both sides and upper and lower lobe seat ring and upper,
All good seal inside lower sealing cover, upper and lower floating seal ring internal diameter is 0.01～0.05mm with the gap value on big axle surface,
The thickness 10～20mm of the outer magnetic stripe of upper and lower ring, can select according to practical situation, and the N pole of the outer magnetic stripe of upper and lower ring is placed in correspondence
Center, every pair of upper and lower spacing interior magnetic piece n-quadrant, floating is left with upper and lower spacing groove bottom in the outer magnetic stripe upper end of upper and lower ring
Adjust distance, generally 2～8mm.
The technique effect that reached of technical scheme that this utility model provides be such that as this device level use time,
Adjust upper and lower adjustment screw thus have adjusted the N of N pole ring upper and lower with corresponding or a pair magnetic post of upper and lower adjustment magnetic post
Pole span from, according to the physical characteristic of magnet: homopolarity repel principle, make the overall floating seal that upper and lower floating seal ring forms
The center of ring is consistent with great Zhou center, uniform force, eccentric wear when preventing big axle from rotating.Upper and lower end magnetic post N, S produce magnetic the most relatively
Suction, makes upper and lower floating seal ring consistently form a complete seal ring in upper and lower lobe seat ring.When big axle rotates, in order to
Avoiding floating seal ring when following big axle and beating, the frictional force of generation rotates together with floating seal ring, in upper and lower floating
Being symmetrical arranged the outer magnetic stripe of multiple upper and lower ring on sealing ring external diameter, the outer magnetic stripe S pole of upper and lower ring embeds outside upper and lower floating seal ring
In footpath, be arranged with upper and lower stopper slot at upper and lower lobe seat ring internal diameter, be symmetrically fixed with in upper and lower stopper slot N extremely relative to
Upper and lower spacing interior magnetic piece, the N pole of the outer magnetic stripe of upper and lower ring is placed in the N pole that corresponding paired upper and lower spacing interior magnetic piece is formed relative to N pole
Regional center position, when floating seal ring turns clockwise under frictional force effect, to the right upper of the N pole of the outer magnetic stripe of upper ring
Spacing interior magnetic piece N is the most close, and the most spacing interior magnetic piece N in N pole of the outer magnetic stripe of lower ring is the most close, thus can be at floating seal ring
External diameter produces a homopolarity repulsive force contrary with frictional force, stops overall floating seal ring to rotate together with big axle, go up, simultaneously
The outer magnetic stripe of lower ring in upper and lower spacing interior territory, magnetic piece N polar region and all leaves floating distance with upper and lower spacing groove bottom, thus overall
Floating seal ring neither rotates together with big axle, can follow big axle again and beat, reached the excessive mist of oil of excellent sealing in 360 °
Technique effect.
When this device vertically uses, adjust overall floating seal ring by the upper and lower adjustment screw of adjustment same with big axle
The heart, wants emphasis to adjust the side-play amount produced because of overall floating seal ring deadweight simultaneously, adjusts the upper and lower adjustment spiral shell of upper and lower symmetry
Silk, the i.e. upper screw that adjusts outwards moves back, and lower adjustment screw inwardly enters, the repulsion produced by lower adjustment magnetic post and lower ring magnetic post N pole
Power, reaches to overcome the purpose of overall floating seal ring deadweight.Other prevents overall floating seal ring and big axle synchronous rotary structure
Use as structural principle with level.
Based on the actual application requirements, upper and lower adjustment magnetic post can a corresponding upper and lower ring magnetic post, it is possible to corresponding one
To or three upper and lower ring magnetic posts；The diameter of upper and lower adjustment magnetic post and the diameter of upper and lower ring magnetic post also may be the same or different.
The technical scheme structure that this utility model relates to is simple and direct, reasonable, uses magnet physical characteristic ingenious, follows big for 360 °
Axle is beated function admirable, the mist of oil that dynamo bearing end cap seal is excessive is had good technique effect, has novelty, creation
Property and practicality, power field and other association area will be widely used in.
Accompanying drawing illustrates:
Fig. 1. adjustable magnetic floating oil mist sealing device front view
Fig. 2. adjustable magnetic floating oil mist sealing device A-A view
Fig. 3. adjustable magnetic floating oil mist sealing device B-B view
Fig. 4. adjustable magnetic floating oil mist sealing device left view
Wherein:
1, magnetic piece in upper adjustment screw 2, upper adjustment magnetic post 3, upper limit
4, upper ring outer magnetic stripe 5, inner flange 6, flange hole
7, upper limit position groove 8, epivalve seat ring 9, upper ring magnetic post
10, floating rotary packing ring 11, upper end magnetic post 12, lower end magnetic post
13, float downward rotary packing ring 14, lower adjustment screw 15, lower adjustment magnetic post
16, magnetic piece 18, the outer magnetic stripe of lower ring in lower ring magnetic post 17, lower limit
19, lower seal ring cavity 20, lower limit groove 21, hypovalve seat ring
22, big axle 23, upper sealing ring chamber 24, outward flange
25, top cover labyrinth 26, close bolt 27, lower sealing cover
28, screw 29, upper cover are adjusted closing face 30, lower cover the face of conjunction
Detailed description of the invention:
Multiple upper adjustment screws 1 being fixedly arranged at the front end with upper adjustment magnetic post 2 are screwed into the adjustment screw being distributed on epivalve seat ring 8
In 28, the S pole of upper adjustment magnetic post 2 is fixed on the end of adjustment screw 1.Magnetic piece 3N pole in paired upper limit is relatively solid
Being scheduled on the internal both sides of upper limit position groove 7, and two N pole surface distances are 20～30mm adjustable, upper limit position groove 7 is symmetrical machining
's.In the parallel embedding in position floating rotary packing ring 10 external diameter corresponding to one or paired upper ring magnetic post 9 upper adjustment magnetic post 2,
The extremely corresponding upper N pole adjusting magnetic post 2 of the N of upper ring magnetic post 9；The S pole being much of the outer magnetic stripe 4 of ring is embedded floating rotary packing ring 10
In external diameter, the center, territory, N polar region of 3 two N poles compositions of magnetic piece in the N pole of magnetic stripe 4 is placed in two upper limits outside upper ring, two
Individual upper end magnetic post 11 is respectively embedded into the N pole of the left and right two ends of floating rotary packing ring 10, the S pole of upper end magnetic post 11 and lower end magnetic post 12
Correspondence, then floating rotary packing ring 10 is inserted in upper sealing ring chamber 23, with closing bolt 26, top cover labyrinth 25 is fixed on epivalve
On the outward flange 24 of seat ring 8.
Multiple lower adjustment screws 14 being fixedly arranged at the front end with lower adjustment magnetic post 15 are screwed into the adjustment being distributed on hypovalve seat ring 21
In screw 28, the S pole of lower adjustment magnetic post 15 is fixed on the end of lower adjustment screw 14.Magnetic piece 17N pole in paired lower limit
Being relatively fixed at the internal both sides of lower limit groove 20, and two N pole surface distances are 20～30mm adjustable, lower limit groove 20 is
Symmetrical machining.Corresponding to one or the paired lower ring magnetic post 16 lower parallel embedding in position adjusting magnetic post 15 is floated downward rotary packing ring
In 13 external diameters, the extremely corresponding lower N pole adjusting magnetic post 15 of the N of lower ring magnetic post 16；The most embedding for the S of outer for symmetrical lower ring magnetic stripe 18 and under
In floating seal ring 13 external diameter, the N polar region of 17 two N poles compositions of magnetic piece in two lower limit are inserted in the N pole of magnetic stripe 18 outside lower ring
Center, territory, is respectively embedded into, two lower end magnetic posts 12, the left and right two ends of rotary packing ring 13 of floating downward, the N pole of lower end magnetic post 12 with
The S of upper end magnetic post 11 is the most corresponding, then rotary packing ring 13 of floating downward is inserted in lower seal ring cavity 19, with closing bolt 26 by lower seal
Lid 27 is fixed on the outward flange 24 of hypovalve seat ring 21.
For axis of symmetry, epivalve seat ring 8 and hypovalve seat ring 21 are combined in above big axle 22 with big axle 22, will with a conjunction bolt 26
Upper cover is fixed together conjunction face 29 and lower cover one domain of formation conjunction face 30.By in epivalve seat ring 8 and hypovalve seat ring 21
Flange hole 6 on flange 5, is fixed on dynamo bearing end cap with closing 26 these domains of bolt.Implement complete.
Claims (1)
1. an adjustable magnetic floating oil mist sealing device, is characterized in that, multiple upper adjustment spiral shells being fixed with upper adjustment magnetic post
Silk be screwed in the adjustment screw being distributed on above epivalve seat ring, multipair N extremely relative to upper limit in magnetic piece symmetry be fixed on right
Being much of in stopper slot, in every pair of upper limit, two N pole surface distance a=20～30mm of magnetic piece are adjustable, need handle according to technology
Adjust in magnetic post parallel embedding floating rotary packing ring external diameter, outer for multiple upper rings magnetic stripe in multiple or multipair upper ring magnetic post correspondence
S is extremely symmetrical to be embedded in floating rotary packing ring external diameter, and two upper end magnetic posts are respectively embedded into two ends, floating rotary packing ring left and right, upper end
The S pole of the N of magnetic post extremely corresponding lower end magnetic post, is placed in floating rotary packing ring in upper sealing ring chamber, and each or every pair of upper ring
The N pole of magnetic post is all the most corresponding with the N of upper adjustment magnetic post, the centrage of the centrage of upper adjustment magnetic post and each upper ring magnetic post or become
To upper ring magnetic column symmetry axle overlap, surface, upper adjustment magnetic post N pole and ring magnetic post N pole surface distance on corresponding or a pair
B is 4～20mm adjustable, two N pole phases that the outer magnetic stripe N pole of the symmetrical upper ring embedded on floating rotary packing ring is placed in upper limit position groove
To upper limit in center, territory, magnetic piece N polar region, surface, magnetic piece N pole and upper ring outer surface, magnetic stripe N pole phase in two upper limits
Adjustable away from c=5～10mm, there is certain floating distance the outer magnetic stripe upper end of upper limit, with uniform with upper limit position groove bottom surface
Upper ring magnetic post and being placed in the floating rotary packing ring being much of the outer magnetic stripe of ring in epivalve seat ring, epivalve seat ring internal diameter is close with upper floating
Seal ring outer surface distance d=4～10mm are adjustable, are fixed on by top cover labyrinth above the outward flange of epivalve seat ring with closing bolt；
Multiple lower adjustment screws being fixed with lower adjustment magnetic post are screwed in the adjustment screw being distributed on above hypovalve seat ring, multipair N
Extremely relative to lower limit in magnetic piece symmetry be fixed on symmetry lower limit groove in, two N surface pole spans of magnetic piece in every pair of lower limit
Adjustable from a=20～30mm, need to float downward adjusting the parallel embedding of magnetic post under multiple or multipair lower ring magnetic post correspondence according to technology
In rotary packing ring external diameter, S extremely symmetrical embedding of outer for multiple lower rings magnetic stripe is floated downward in rotary packing ring external diameter, by two lower end magnetic posts
Being respectively embedded into two ends, rotary packing ring left and right of floating downward, the S pole of the N of lower end magnetic post extremely corresponding upper end magnetic post, rotary packing ring of floating downward is put
In lower seal ring cavity and each or every pair of lower ring magnetic post N pole is the most corresponding with the N of lower adjustment magnetic post, lower adjustment magnetic post
Centrage overlap with the centrage of each lower ring magnetic post or paired lower ring magnetic column symmetry axle, surface, lower adjustment magnetic post N pole with
Corresponding one or a pair time ring magnetic post N pole surface distance b is 4～20mm adjustable, symmetrical embed on rotary packing ring of floating downward under
Two N that the outer magnetic stripe N pole of ring is placed in lower limit groove extremely relative to lower limit in center, territory, magnetic piece N polar region, two lower limits
In position, magnetic stripe N pole surface outer with lower ring, surface, magnetic piece N pole is adjustable at a distance of c=5～10mm, the outer magnetic stripe upper end of lower limit and lower limit
Groove bottom has certain floating distance, and the rotary packing ring of floating downward of the outer magnetic stripe of lower ring with uniform lower ring magnetic post and symmetry is put
In hypovalve seat ring, hypovalve seat ring internal diameter with float downward rotary packing ring outer surface distance d=4～10mm adjustable, with close a bolt will
Lower sealing cover is fixed on above the outward flange of hypovalve seat ring；For axis of symmetry, epivalve seat ring and hypovalve seat ring are combined in one with big axle
Rise, with closing bolt, upper cover be fixed together conjunction face and lower cover one domain of composition conjunction face, then with conjunction bolt by this
The individual domain is fixed on dynamo bearing end cap by the flange hole on inner flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620739209.4U CN205841748U (en) | 2016-07-07 | 2016-07-07 | adjustable magnetic floating oil mist sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620739209.4U CN205841748U (en) | 2016-07-07 | 2016-07-07 | adjustable magnetic floating oil mist sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841748U true CN205841748U (en) | 2016-12-28 |
Family
ID=57618954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620739209.4U Withdrawn - After Issue CN205841748U (en) | 2016-07-07 | 2016-07-07 | adjustable magnetic floating oil mist sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841748U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588199A (en) * | 2016-07-07 | 2018-01-16 | 哈尔滨盛迪电力设备有限公司 | adjustable magnetic floating oil mist sealing device |
| CN109463995A (en) * | 2018-12-12 | 2019-03-15 | 汪阳 | A kind of magnetic force spinning steam baking oven |
| JPWO2018155462A1 (en) * | 2017-02-22 | 2019-12-12 | イーグル工業株式会社 | Sealing device |
-
2016
- 2016-07-07 CN CN201620739209.4U patent/CN205841748U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588199A (en) * | 2016-07-07 | 2018-01-16 | 哈尔滨盛迪电力设备有限公司 | adjustable magnetic floating oil mist sealing device |
| CN107588199B (en) * | 2016-07-07 | 2024-04-16 | 哈尔滨盛迪电力设备有限公司 | Adjustable magnetic floating oil mist sealing device |
| JPWO2018155462A1 (en) * | 2017-02-22 | 2019-12-12 | イーグル工業株式会社 | Sealing device |
| EP3587870A4 (en) * | 2017-02-22 | 2020-12-09 | Eagle Industry Co., Ltd. | Seal device |
| US11078919B2 (en) * | 2017-02-22 | 2021-08-03 | Eagle Industry Co., Ltd | Seal device |
| JP7091000B2 (en) | 2017-02-22 | 2022-06-27 | イーグル工業株式会社 | Sealing device |
| CN109463995A (en) * | 2018-12-12 | 2019-03-15 | 汪阳 | A kind of magnetic force spinning steam baking oven |
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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 | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20240416 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20240416 |