CN206219836U - Washing machine balancing ring and washing machine with same - Google Patents
Washing machine balancing ring and washing machine with same Download PDFInfo
- Publication number
- CN206219836U CN206219836U CN201621127910.7U CN201621127910U CN206219836U CN 206219836 U CN206219836 U CN 206219836U CN 201621127910 U CN201621127910 U CN 201621127910U CN 206219836 U CN206219836 U CN 206219836U
- Authority
- CN
- China
- Prior art keywords
- washing machine
- counter balance
- balance pocket
- filler
- tracks
- 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.)
- Expired - Fee Related
Links
- 238000005406 washing Methods 0.000 title claims abstract description 49
- 239000000945 filler Substances 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims description 26
- 230000018044 dehydration Effects 0.000 claims description 24
- 238000006297 dehydration reaction Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 8
- 238000009826 distribution Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009938 salting Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The utility model provides a washing machine balancing ring and have its washing machine. According to the utility model discloses a washing machine gimbal, it includes: the device comprises a shell, a first balance cavity is arranged in the shell, at least two moving tracks are arranged in the first balance cavity, the two moving tracks are arranged at intervals, and the two moving tracks are communicated with each other through a part of the first balance cavity; the filler is arranged in the first balance cavity and comprises at least two filler pieces and a connecting piece for connecting the two adjacent filler pieces, and the filler pieces are arranged in the motion track in a one-to-one correspondence mode. The balance ring of the washing machine can effectively inhibit vibration.
Description
Technical field
The utility model is related to clothes cleaning apparatus field, in particular to a kind of balanced ring for washing machine and with it
Washing machine.
Background technology
In washing machine evolution, Large Copacity, dehydrating speed high have been changed to a kind of trend, and the thing followed is exactly inclined
The heart, the influence of vibration.During laundry machine dehydration, dehydration barrel drives laundry load to rotate, due to bucket undergarment random distribution,
Uneven distribution, i.e. eccentric load are produced in dehydration barrel.When dehydration barrel rotation speed change and rotating speed high run, what eccentric load was produced
Centrifugal force can make dehydration barrel forced vibration, so as to influence the vibration performance of whole machine, produce very big noise, can also influence whole machine one
The service life of a little parts.
In order to reduce washing machine in the course of the work due to load bias caused by dehydration barrel eccentric vibrating, noise and its
He endangers, so introducing balance loop technique, it is arranged on inner cylinder end face.Existing gimbal be typically it is internal include one or
Liquid, granular solids or the metal ball body such as filling salt solution in the cyclic structure of multiple hollow chamber, chamber, fluid balance ring exist
Part bias can only be offset under the slow-speed of revolution, solid gimbal does not have the effect of liquid formula to eccentric cushioning effect at high speed
It is good, and because the chamber of gimbal is mostly the circular structure of rule, the material in chamber can only be along same track
Motion, the bulk of gimbal is limited, and needs to fill substantial amounts of filler in chamber, particularly fills steel ball, spheroid
Quality again can not be too big, and range of movement is limited in motion process, and is not fee from substantial amounts of shock and friction, produces extra
Vibrating noise, the overall suppression cushioning effect to washing machine eccentric vibrating is not very notable.
Utility model content
The utility model aims to provide a kind of balanced ring for washing machine that can reduce vibration of washing machine and the laundry with it
Machine.
The utility model provides a kind of balanced ring for washing machine, and it includes：Housing, is provided with the first counter balance pocket in housing,
At least two tracks are provided with first counter balance pocket, two tracks interval settings pass through between two tracks
The counter balance pocket connection of part first；Filler, filler is arranged in the first counter balance pocket, filler include at least two filling members and
The connector of two neighboring filling member is connected, filling member is corresponded and is arranged in tracks.
Further, housing also includes at least one second counter balance pockets, and the second counter balance pocket is with the first counter balance pocket along housing
Radially set gradually.
Further, the second counter balance pocket is located at the first counter balance pocket near the side of washing machine balancing ring axis.
Further, filling liquid is filled with the second counter balance pocket.
Further, tracks are formed by the rail groove being arranged on relative two side walls of the first counter balance pocket, two
Rail groove is diametrically corresponded to.
Further, it is also filled with filling liquid in the first counter balance pocket.
Further, set successively in tracks filled with multiple fillers, and multiple fillers in the first counter balance pocket
Put.
Further, filling member is roller, and/or connector is connecting rod.
Further, filler is coated with the protection cushion of flexible material making.
According to another aspect of the present utility model, there is provided a kind of washing machine, it includes dehydration barrel and is arranged on outside dehydration barrel
Gimbal, gimbal is above-mentioned balanced ring for washing machine.
Further, gimbal is coaxially disposed with dehydration barrel, and the diameter parallel of the filler in gimbal is in gimbal
Axis.
It is flat by being partitioned into housing first according to balanced ring for washing machine of the present utility model and the washing machine with it
Weighing apparatus chamber, and at least two tracks are set in the first counter balance pocket so that realized in the case where balance ring size is not increased
Gimbal single-chamber room is done more physical exercises track structure, effectively utilizes the chamber interior space.Meanwhile, filler is arranged in the first counter balance pocket,
Filler includes the connector of two spaced filling members and the two neighboring filling member of connection so that be one between filling member
Body structure, and each filling member is respectively positioned in a tracks, then can reduce filler quantity and the matter in the first counter balance pocket
Amount, makes to be mutually compensated between filler, cooperative motion, reduces shock and friction each other.Realize that gimbal can be with
Quick suppression, the effect of buffer load bias are played in the range of larger eccentricity control.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing being further understood to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.In accompanying drawing
In：
Fig. 1 is the dimensional structure diagram according to balanced ring for washing machine of the present utility model；
Fig. 2 is the overlooking the structure diagram according to balanced ring for washing machine of the present utility model；
Fig. 3 be in Fig. 2 A-A to sectional view；
Fig. 4 is the partial enlarged drawing at C in Fig. 3；
Fig. 5 is B-B direction sectional view in Fig. 2；
Fig. 6 is the partial enlarged drawing at D in Fig. 5.
Description of reference numerals：
10th, housing；11st, the first counter balance pocket；111st, tracks；111a, rail groove；12nd, the second counter balance pocket；20th, fill
Thing；21st, filling member；22nd, connector.
Specific embodiment
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figures 1 to 6, according to embodiment of the present utility model, balanced ring for washing machine includes housing 10 and filler
20, the first counter balance pocket 11 is provided with housing 10, at least two tracks 111, two fortune are provided with the first counter balance pocket 11
The interval setting of dynamic rail road 111, is connected between two tracks 111 by the first counter balance pocket of part 11, and filler 20 is arranged on
In first counter balance pocket 11, filler 20 includes the connector 22 of at least two filling members 21 and the two neighboring filling member 21 of connection,
Filling member 21 is corresponded and is arranged in tracks 111.
Rail is moved by being partitioned into the first counter balance pocket 11 in housing 10, and at least two being set in the first counter balance pocket 11
Road 111 so that realize that gimbal single-chamber room is done more physical exercises track structure in the case where balance ring size is not increased, effectively using chamber
The interior space.Meanwhile, filler 20 is arranged in the first counter balance pocket 11, and filler 20 includes two spaced filling members 21
With the connector 22 for connecting two neighboring filling member 21 so that be structure as a whole between filling member 21, and each filling member 21 is equal
In a tracks 111, then the filler quality and quantity in the first counter balance pocket 11 can be reduced, making can between filler
To mutually compensate for, cooperative motion reduces shock and friction each other.Realize that gimbal can be in larger eccentricity control scope
Inside play quick suppression, the effect of buffer load bias.
As shown in Figure 3 and Figure 4, it is different according to washing machine capacity section, rotating speed, one or more can be set in housing 10 and put down
Weighing apparatus chamber.For example, when the unbalanced value that washing machine drying brings is smaller, the gimbal of single-chamber room multi-track can be selected, i.e., only
Need the first counter balance pocket 11 with filler；When the unbalanced value that washing machine drying brings is larger, multi-chamber can be selected
The gimbal of multi-track, i.e., in addition to the first counter balance pocket 11, can also set one or more second counter balance pockets 12.
Preferably, when housing 10 sets at least one second counter balance pockets 12, the second counter balance pocket 12 and the edge of the first counter balance pocket 11
The radial direction of housing 10 sets gradually, and to guarantee to realize producing balanced forces, suppresses the purpose of eccentric vibrating.
It is highly preferred that the second counter balance pocket 12 is located at the inner side for being close to the first counter balance pocket of washing machine balancing ring axis 11, so
Balance ring size can not additionally be increased, the compact conformation of whole machine is helped to ensure that.
In the present embodiment, it is filled with filling liquid in the second counter balance pocket 12.Filling liquid can be salting liquid or other liquid
Body.The filling liquid such as filling salting liquid contributes to balancing load in the second counter balance pocket 12, while avoiding phase between solid filler
The noise that mutually collision is produced.Certainly, in other embodiments, fixed filler etc. can also be filled in the second counter balance pocket 12.
Multiple tracks 111 in first counter balance pocket 11 can effectively split the space of the first counter balance pocket 11, make first
Space in counter balance pocket 11 is utilized effectively.In the present embodiment, tracks 111 are by being arranged on the phase of the first counter balance pocket 11
Rail groove 111a on two side walls is formed, two rail groove 111a are diametrically corresponded to.It refer to radially the diameter of gimbal
Direction, two rail groove 111a are diametrically corresponded to and are referred to, two rail groove 111a be in it is same diametrically, in other words, two
The side wall of individual rail groove 111a is located on same cross section, and the tracks 111 formed by this kind of structure are easy to process, knot
Structure reliability.
Preferably, filled with multiple fillers 20 in the first counter balance pocket 11, and multiple fillers 20 are in tracks 111
Set gradually.The quality and quantity of filler 20 can determine according to the capacity of washing machine and rotating speed.By in the first counter balance pocket
Multiple tracks 111 are set in 11 so that can be set in order between filler 20, and are more stablized in motion, it is to avoid
Mutual collision between filler 20.
As shown in Figure 5 and Figure 6, the quantity of the tracks 111 in the first counter balance pocket 11 is two, and filler 20 includes two
Two connectors of filling member 21 22 of individual filling member 21 and connection.Wherein, filling member 21 is columned roller, connector 22
It is connecting rod, connecting rod is round bar.
Certainly, the quantity of tracks 111 can be other quantity as needed, and filling member 21 can be other arbitrary shapes
Shape, connector 22 can also accommodation shape, it is not limited to shape disclosed in the present embodiment.
Preferably, in order to further reduce collision noise, user experience is improved, filler 20 is coated with flexible material
Expect the protection cushion for making.Flexible material can absorb the material that vibration reduces noise with rubber, plastics etc..Protection buffering
Filler 20 is protected when layer can collide between filler 20, noise is on the one hand reduced, filler is on the other hand improved
20 life-span.
In first counter balance pocket 11 in addition to the filler 20 filled with solid, filling liquid can also be filled with.The filling liquid
Can be lubricating oil or other viscous liquids.It should be noted that filling liquid and the second counter balance pocket in the first counter balance pocket 11
Although the filling liquid title in 12 is identical, not necessarily same liquid.Preferably, the filling liquid in the first counter balance pocket 11
It is different with the filling liquid in the second counter balance pocket 12.
Filling liquid in first counter balance pocket 11 not only can be with balancing load, also with certain cushioning effect, it is possible to reduce Gu
Collision between body filler 20, reduces noise.
According to another aspect of the present utility model, there is provided a kind of washing machine, it includes dehydration barrel and is arranged on outside dehydration barrel
Gimbal, gimbal is above-mentioned balanced ring for washing machine.Balance ring cavity can reduced using above-mentioned balanced ring for washing machine
Buffering inhibitory action well is played to the vibrating noise that dehydration barrel load eccentric load causes while chamber interior vibrating noise.
In the present embodiment, gimbal is coaxially disposed with dehydration barrel, and the diameter parallel of the filler 20 in gimbal is in flat
The axis of weighing apparatus ring, is so conducive to the stable movement in gimbal of filler 20.
As shown in Figures 3 to 6, gimbal may be designed as single-chamber room multi-track, or multi-chamber multi-track.
Gimbal includes highstrenghtpiston's toroidal shell 10, several fillers 20.During toroidal shell 10 is internally provided with
The first empty counter balance pocket 11, lower wall is embedded with rail groove 111a in the first counter balance pocket 11, and rail groove 111a cooperatively forms motion rail
Road 111.When using, gimbal is coaxially fixedly mounted in the dehydration barrel of washing machine.Filler 20 is arranged on the housing of annular
In 10 the first counter balance pocket 11, and circumferentially rolled in the first counter balance pocket 11 of toroidal shell 10.Filler 20 is filled out
Fill part 21 and connector 22 is made up of metal material, outside can coat one layer of protection cushion.Connector 22 is rod member, its connection
Two filling members of roller shape 21, the center line of roller and the axis parallel of toroidal shell 10.Filled in first counter balance pocket 11
The filling liquids such as lubricating fluid.If gimbal also includes the second counter balance pocket 12, salting liquid etc. can be filled in the second counter balance pocket 12
Filling liquid.
During dehydration, dehydration barrel high-speed rotation, the clothing skewness in bucket will form eccentric load, and dehydration barrel is inclined
The lower vibration of centrifugal force excitation that heart load is produced.When dehydrating speed higher than dehydration barrel resonant frequency corresponding to rotating speed when, shake
Dynamic direction of displacement will progressively move on to the rightabout of eccentric position, and dehydration barrel is around the bias offset towards eccentric direction
Axle rotates.Gimbal rotates in dehydration barrel and with dehydration barrel around eccentric shaft, filling out in the toroidal shell 10 of gimbal
Filling thing (and filling liquid) such as roller group and liquid can move to the opposite direction of eccentric load, play the work of compensation and buffering eccentric
With.
The connecting rod (connector 22) for connecting two rollers (filling member 21) is the metallics of high intensity as roller, with
Roller is connected as a single entity, and can keep roller in rolling process along certain tracks (corresponding tracks 111) stable motion, makes
Two rollers interact, and mutually compensate for, cooperative motion, deflection is not produced and slows down shock, increase balanced capacity.Except this with
Outward, connecting rod is also a part for roller group, equivalent to a roller, as roller is rolled together, it is also possible to play certain balance
The effect of eccentric vibrating.
In said process, by being embedded in the first counter balance pocket 11 tracks 111 for roller motion, shell is realized
The inside single-chamber room (or multi-chamber) of body 10 is done more physical exercises track structure.Lead between filling member 21 in balance ring chamber tracks
Connector 22 is crossed to be connected, it is simple and compact for structure, interact and compensate during bias change, strengthen balanced capacity.Filling in chamber
Thing 20 can be distributed according to the eccentric size of dehydrating speed, load, position distribution so as to synchronous, be transported along the stabilization of tracks 111
It is dynamic, the collision and friction between filler 20 are reduced, quickly slow down eccentric vibrating.
According to balanced ring for washing machine of the present utility model and the washing machine with it has the following technical effect that：
The gimbals structure is simple and practical, compared to existing balanced ring for washing machine, can be real in the case of bulk identical
Now to abundant effective utilization of gimbal cavity space.
The flute profile tracks moved for filling member are embedded in by the first counter balance pocket, so as to realize gimbal single-chamber
Do more physical exercises track structure room, it is possible to reduce the quantity and quality of filler.
Gimbal can realize chamber inner stuffing according to the eccentric size of load, position distribution so as to prolong circumferential clocking of turbine point
Cloth, has connector to be connected along tracks stable motion, between filling member, and structure is compacter, can interact, mutually
Compensation is eccentric, reduces collision and friction between filler, quickly slows down eccentric vibrating, strengthens balanced capacity.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (11)
1. a kind of balanced ring for washing machine, it is characterised in that including：
Housing (10), be provided with the housing (10) in the first counter balance pocket (11), first counter balance pocket (11) be provided with to
Few two tracks (111), two tracks (111) interval settings are led between two tracks (111)
Cross part the first counter balance pocket (11) connection；
Filler (20), the filler (20) is arranged in first counter balance pocket (11), and the filler (20) is including extremely
Few two filling members (21) and the connector (22) of the two neighboring filling member (21) of connection, a pair of the filling member (21)
Should be arranged in the tracks (111).
2. balanced ring for washing machine according to claim 1, it is characterised in that the housing (10) also includes at least one the
Two counter balance pockets (12), second counter balance pocket (12) sets successively with first counter balance pocket (11) along the radial direction of the housing (10)
Put.
3. balanced ring for washing machine according to claim 2, it is characterised in that second counter balance pocket (12) is positioned at described
One counter balance pocket (11) is near the side of the washing machine balancing ring axis.
4. the balanced ring for washing machine according to Claims 2 or 3, it is characterised in that filling in second counter balance pocket (12)
There is filling liquid.
5. balanced ring for washing machine according to claim 1, it is characterised in that the tracks (111) are by being arranged on
The rail groove (111a) stated on relative two side walls of the first counter balance pocket (11) is formed, and two rail grooves (111a) are radially
Upper correspondence.
6. the balanced ring for washing machine according to any one of claims 1 to 3 and 5, it is characterised in that first counter balance pocket
(11) filling liquid is also filled with.
7. balanced ring for washing machine according to claim 1, it is characterised in that filled with many in first counter balance pocket (11)
The individual filler (20), and multiple fillers (20) are set gradually in the tracks (111).
8. the balanced ring for washing machine according to claim 1 or 7, it is characterised in that the filler (20) is coated with soft
Property material make protection cushion.
9. balanced ring for washing machine according to claim 1, it is characterised in that the filling member (21) is roller, and/or institute
It is connecting rod to state connector (22).
10. a kind of washing machine, it is characterised in that including dehydration barrel and the gimbal being arranged on outside the dehydration barrel, the balance
Ring is the balanced ring for washing machine any one of claim 1 to 9.
11. washing machines according to claim 10, it is characterised in that the gimbal is coaxially disposed with the dehydration barrel,
The diameter parallel of the filler (20) in the gimbal is in the axis of the gimbal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621127910.7U CN206219836U (en) | 2016-10-17 | 2016-10-17 | Washing machine balancing ring and washing machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621127910.7U CN206219836U (en) | 2016-10-17 | 2016-10-17 | Washing machine balancing ring and washing machine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206219836U true CN206219836U (en) | 2017-06-06 |
Family
ID=58788032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621127910.7U Expired - Fee Related CN206219836U (en) | 2016-10-17 | 2016-10-17 | Washing machine balancing ring and washing machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206219836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319856A (en) * | 2016-10-17 | 2017-01-11 | 珠海格力电器股份有限公司 | Washing machine balancing ring and washing machine with same |
-
2016
- 2016-10-17 CN CN201621127910.7U patent/CN206219836U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319856A (en) * | 2016-10-17 | 2017-01-11 | 珠海格力电器股份有限公司 | Washing machine balancing ring and washing machine with same |
| CN106319856B (en) * | 2016-10-17 | 2019-03-12 | 珠海格力电器股份有限公司 | Washing machine balancing ring and washing machine with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101962901B (en) | Gimbal device of rolling drum-type washing machine | |
| CN107829260B (en) | Dynamic balance device of drum-type washing machine, inner drum assembly of drum-type washing machine and drum-type washing machine | |
| US20110048081A1 (en) | Balance ring system on two planes for a spin rotary machine | |
| CN101982599B (en) | Drum type washing machine | |
| CN206219836U (en) | Washing machine balancing ring and washing machine with same | |
| CN106195088A (en) | Multi-lumen shaft system granule damper | |
| CN104060443B (en) | Balance ring and roller washing machine thereof | |
| CN106319856B (en) | Washing machine balancing ring and washing machine with same | |
| CN105525484A (en) | Inner drum for washing machine, and washing machine | |
| CN206219837U (en) | Washing machine balancing ring and washing machine with same | |
| CN105648705A (en) | Washing machine balancing ring and washing machine | |
| CN204370184U (en) | Use in washing machine gimbal and washing machine | |
| CN105734899B (en) | Washing machine and balance ring for washing machine | |
| CN109186862B (en) | Low-friction high-damping pendulum automatic balancing device for rotating machinery | |
| RU77872U1 (en) | DRUM OF THE WASHING MACHINE | |
| CN103628278B (en) | Rotary drum washing machine vibration-proof structure and oscillation damping method, rotary drum washing machine | |
| CN106436171B (en) | Washing machine balancing ring and washing machine with same | |
| KR100807256B1 (en) | Washing machine having balancer | |
| CN108443325B (en) | Impact damper for high-speed rotating machine | |
| CN209555567U (en) | One kind being used for materialf or balance block of washing machine | |
| CN201953907U (en) | Suspended damper for use in high-speed rotating machine | |
| CN1251398A (en) | Prebalancing method for unblanced drum with temporary diviation | |
| KR100238646B1 (en) | Ball balancer | |
| CN206017529U (en) | A kind of multi-cavity shafting granule damper | |
| CN207975186U (en) | A kind of outer ring dislocation resistance increasing type squeeze film damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20211017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |