CN208347975U - A kind of wave energy recovering mechanism for bridge spanning the sea - Google Patents
A kind of wave energy recovering mechanism for bridge spanning the sea Download PDFInfo
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- CN208347975U CN208347975U CN201820764929.5U CN201820764929U CN208347975U CN 208347975 U CN208347975 U CN 208347975U CN 201820764929 U CN201820764929 U CN 201820764929U CN 208347975 U CN208347975 U CN 208347975U
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- sealed cylindrical
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- sea
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The utility model discloses a kind of wave energy recovering mechanism for bridge spanning the sea, including fixing seat, sealed cylindrical and float；Fixing seat is set at the top of sealed cylindrical；Float is connected to below sealed cylindrical by compressed spring, and driving lever top vertically fixed passes through sealed cylindrical bottom and is fixedly connected with annular concussion disk on float；Generator is provided at the top and bottom of sealed cylindrical, the axis of two generators is connected to the both ends of motor transmission shaft by shaft coupling；It further include the upper driver plate of annular and the upper unilateral bearing and lower unilateral bearing of underdrive plate and inner ring and motor transmission shaft interference fit；Kinematic link, the outer ring interference fit of internal ring wall and upper unilateral bearing are hinged between upper driver plate and annular concussion disk；Underdrive connecting rod, the outer ring interference fit of internal ring wall and lower unilateral bearing are hinged between underdrive plate and annular concussion disk, and two unilateral bearings are contrary.The utility model damping is small, the service life is long, generating efficiency is higher, coastal waters off-lying sea can be applied.
Description
Technical field
The utility model relates to ocean wave energy for generating electricity technical field, specially a kind of wave energy for bridge spanning the sea is returned
Receive mechanism.
Background technique
Bridge spanning the sea is the embodiment of top bridge technology, and short then several kms, long then tens of kms, the requirement to technology is very
It is harsh.With the development and the progress of science and technology of Chinese society, the length of bridge spanning the sea is increasingly longer, and number is more and more, thus
, the problems such as illumination and power supply on bridge spanning the sea increasingly highlights.When bridge quality problems itself occurs in bridge spanning the sea
When, it deals with extremely difficult.Furthermore the use condition of bridge is also by a variety of rings such as marine dense fog, pontic shape, high wind over strait
The influence of border factor, it is careless slightly, it just may cause biggish safety accident.Therefore in the use process of bridge spanning the sea,
It is essential link that bridge health and safety, which monitors system,.In monitoring process, the power supply of related sensor is all deposited always
In problem.In the comprehensive monitor systems such as the powered lighting of bridge spanning the sea and sensor, miscellaneous working sensor institute
It needs electric energy mainly application respectively to carry power supply device such as lead storage battery etc. to be powered, when bridge spanning the sea length increases, electricity
Measuring conveying device and sensor battery quantity will also increase, and be difficult to ensure that each sensor is in the shape of long-term stable operation
State is difficult to timely be replaced when device battery not enough power supply or failure, this not only greatly limits bridge spanning the sea
Development, so that traffic safety is cannot get enough guarantees.Though the use of sensor can be reduced by modes such as Optimizings at present
Amount, but practical fundamentally being solved the problems, such as from energy supply, therefore it is badly in need of a kind of convenience, efficiently and expense is lower
Power supply measure.Therefore, wave energy under bridge spanning the sea is recycled and is carried out storage to be used for the power supply of various sensors being a kind of
All well and good mode.
Wave energy is primarily referred to as kinetic energy possessed by ocean surface wave and potential energy, is a kind of specific form of ocean energy,
Be also one of most important energy in ocean energy, have the characteristics that total amount is big, pollution-free and energy density is big, its exploitation with
It is very important using to alleviating energy crisis and reducing environmental pollution.Surging ocean wave motion generates huge, eternal
With environmental protection energy, if the wave energy of the kinetic energy of wave and other waters surface can be fully utilized, before world energy sources
Scape can be quite wide and bright.Wave energy reserves are big, such as 30 ~ 40 ° of Pacific Ocean, Atlantic Ocean east bank middle latitude regions, wave energy
Up to 30 ~ 70kW/m, certain places are more up to 100kW/m, it is ensured that can develop and use the total amount of the energy.And wave energy is
Most wide renewable energy is distributed in ocean, therefore wave energy can become the energy source in offshore marginal area.Wave at present
Energy recovering mechanism can be divided into three kinds of oscillaton water column type, pendulum-type and poly- waves devices by structure type.
Current existing wave energy generating set, such as entitled " the crank block type wave of the patent No. 201720441662.1
The wave shaken up and down, the rotation of generator is converted to by slider-crank mechanism by the Chinese patent of energy power generator ".But this
There is following two in patent, one side slider-crank mechanism takes up space greatly, is easily damaged, damp it is larger, and there are dead point,
If the smaller characteristic generator due to crank block of wave two-way can only generate electricity, generating efficiency is lower；On the other hand, this device
It can be mounted on horizontal platform, be not used under bridge pier over the sea.
For another example entitled " a kind of the to swing impacting type wave-power device " Chinese patent of the patent No. 201710142215.0,
Under action of wave force, the floating body of this patent can freely swing to drive hitting on guide rail around the hinged shaft on floating pedestal
Hit part and hit piezoelectric generator power generation, this device volume is excessive, and generating efficiency is low, and float shape is excessively sharp, for ship or
There are security risks by person crowd；Whole device is in underwater, and piezoelectric generator is easily intake, and the service life not can guarantee；It can only answer simultaneously
For the closer sea level of offshore, limiting factor is larger.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is to provide it is a kind of damping it is small, the service life is long, generating efficiency is higher,
The applicable wave energy recovering mechanism for bridge spanning the sea of coastal waters off-lying sea.Technical solution is as follows:
A kind of wave energy recovering mechanism for bridge spanning the sea, including fixing seat, sealed cylindrical and float；Fixing seat setting
At the top of sealed cylindrical, for fixing recovering mechanism；Mobilizable horizontal annular concussion disk, float are equipped with inside sealed cylindrical
It is connected to below sealed cylindrical by compressed spring, and is vertically and fixedly provided with driving lever on float, the top of driving lever passes through sealing
Bottom of cylinder is fixedly connected with annular concussion disk；Generator is respectively arranged at the top and bottom of sealed cylindrical, two generators
Axis is connected to the both ends of motor transmission shaft by shaft coupling；It further include annular upper driver plate and underdrive plate and inner ring and electricity
The upper unilateral bearing and lower unilateral bearing of machine transmission shaft interference fit；The lower face of upper driver plate and the upper surface of annular concussion disk
Between be hinged with kinematic link, the outer ring of internal ring wall and upper unilateral bearing is interference fitted；The upper face and annular of underdrive plate
Underdrive connecting rod is hinged between the lower surface of concussion disk, the outer ring of internal ring wall and lower unilateral bearing is interference fitted, and lower unidirectional
Bearing is contrary with upper unilateral bearing.
It further, further include upper bearing (metal) rack tube, lower bracket cylinder, up-thrust bearing and lower thrust-bearing；Upper axis
The top that sealed cylindrical is fixed on rack tube top is held, the outer ring of up-thrust bearing is matched with the inner wall interference of upper bearing (metal) rack tube
It closes, inner ring and the outer wall for the top flange collar being set at driver plate inner ring are interference fitted；The bottom end of lower bracket cylinder is fixed
In the bottom of sealed cylindrical, the inner wall of the outer ring of lower thrust-bearing and lower bracket cylinder is interference fitted, and inner ring and is set to down
The outer wall of lower part flange collar at driver plate inner ring is interference fitted.
Further, the bottom of the sealed cylindrical is equipped with circular hole, is equipped with linear bearing in circular hole, linear bearing it is outer
Lip-type packing, the inner ring of linear bearing and the driving lever transition fit are equipped between circle and circular-hole internal-wall.
Further, the upper end of the upper kinematic link is twisted and is set to the connecting rod branch of upper driver plate lower face by ball
Seat is hinged, and lower end is twisted and to be set to the annular connecting rod support for shaking disk upper surface hinged by ball；The upper end of the underdrive bar
By ball twist be set to annular concussion disk lower surface connecting rod support it is hinged, lower end by ball strand and be set on underdrive plate
The connecting rod support of plate face is hinged；Connecting rod support in each plate face is circumferentially arranged.
Further, the fixing seat is the perpendicular plate-shaped member equipped with screw hole, and one side of the board passes through horizontal fixation
Bar is fixed on the cylinder upper end cover at the top of sealed cylindrical.
The beneficial effects of the utility model are: the conversion of concussion up and down of float when can pass through wave of the utility model
For the shake double-direction turning movement of driver plate；Using can be freely rotated on one direction of unilateral bearing, the locked spy in another direction
The use of point and shaft coupling can convert two opposite driver plates in direction of rotation to the single direction rotation fortune of generator shaft
It is dynamic, generating efficiency is improved, the various disadvantages of generator bidirectional rotation are avoided；Link mechanism damps small, transmission efficiency simultaneously
Height, the phenomenon that avoiding the occurrence of float and shake switching mechanism resonance；The use of thrust bearing and support of bearing cylinder avoids biography
Movable plate passes to the axial force of unilateral bearing and generator shaft, improves the operation fluency of mechanism, and extends making for mechanism
Use the service life；The effective waterproof of lip-type packing energy, improves the safety coefficient of the present apparatus.
Detailed description of the invention
Fig. 1 is overall structure figure of the utility model for the wave energy recovering mechanism of bridge spanning the sea.
Fig. 2 is link mechanism schematic diagram of the utility model for the wave energy recovering mechanism of bridge spanning the sea.
Fig. 3 is support of bearing cylinder schematic diagram of the utility model for the wave energy recovering mechanism of bridge spanning the sea.
Fig. 4 is driver plate assembling schematic diagram of the utility model for the wave energy recovering mechanism of bridge spanning the sea.
In figure: 1- cylinder upper end cover；The upper driver plate of 2-；3- motor transmission shaft；4- annular shakes disk；5- underdrive plate；6-
Lower bracket cylinder；7- lip-type packing；8- compressed spring；9- float；10- fixed link；11- fixing seat；The company of transmission on 12-
Bar；13- sealed cylindrical；14- connecting rod support；15- generator；16- linear bearing；17- driving lever；Unilateral bearing under 18-；19-
Lower thrust-bearing；20- upper bearing (metal) rack tube；21- up-thrust bearing；22- shaft coupling.
Specific embodiment
The utility model is described in further details in the following with reference to the drawings and specific embodiments.As shown in Figure 1, a kind of use
In the wave energy recovering mechanism of bridge spanning the sea, including fixing seat 11, sealed cylindrical 13 and float 9；Fixing seat 11 is set to sealing
13 top of cylinder, for fixing recovering mechanism.Fixing seat 11 is the perpendicular plate-shaped member equipped with screw hole, and one side of the board passes through level
The top of being fixed on sealed cylindrical 13 of fixed link 10 cylinder upper end cover 1 on, cylinder upper end cover 1 is fixed on by bolt and nut
13 upper end of sealed cylindrical, 10 one end of fixed link are fixed in the circular hole of cylinder upper end cover 1 by bolt and nut, and the other end passes through spiral shell
Line is connect with fixing seat 11.
Mobilizable horizontal annular concussion disk 4 is equipped with inside sealed cylindrical 13, float 9 is connected to by compressed spring 8
The lower section of sealed cylindrical 13, and driving lever 17 is vertically and fixedly provided on float 9, the top of driving lever 17 pass through 13 bottom of sealed cylindrical with
Annular concussion disk 4 is fixedly connected；The top and bottom of sealed cylindrical 13 are respectively arranged with generator 15, and two be in opposite direction cloth
The generator 15 set is vertically arranged in respectively in the small cylinder on 13 lower section of sealed cylindrical and cylinder upper end cover 1, and passes through small annular
Lid, bolt and nut are fixed；The axis of two generators 15 is connected to the both ends of motor transmission shaft 3 by shaft coupling 22.
It further include that the concentric upper driver plate 2 and underdrive plate 5 and inner ring of annular and motor transmission shaft 3 are interference fitted
Upper unilateral bearing and lower unilateral bearing 18.The shape of the upper driver plate 2 and underdrive plate 5 is Flange-shaped Parts, and installation direction
On the contrary.Be hinged with kinematic link 12 between the lower face of upper driver plate 2 and the upper surface of annular concussion disk 4, internal ring wall with it is upper
The outer ring of unilateral bearing is interference fitted；Underdrive company is hinged between the upper face of underdrive plate 5 and the lower surface of annular concussion disk 4
The outer ring of bar, internal ring wall and lower unilateral bearing 18 is interference fitted, and lower unilateral bearing 18 is contrary with upper unilateral bearing.
The ingenious use of disk 4 and driver plate, float when wave can be passed through are shaken by float 9, link mechanism, annular
9 concussion up and down is converted into the shake double-direction turning movement of driver plate.
In the present embodiment, the top of float 9 is fixed with 17 lower end of driving lever by bolt and nut, 17 upper end of driving lever and ring
Shape shakes 4 lower surface of disk and is respectively provided with four connecting rod supports 14 by affixed annular concussion 4 upper and lower surfaces of disk of bolt and nut, passes through
Bolt and nut is fixed, and is circumferentially distributed.
The present embodiment further includes upper bearing (metal) rack tube 20, lower bracket cylinder 6, up-thrust bearing 21 and lower thrust-bearing
19；The top of sealed cylindrical 13 is fixed on 20 top of upper bearing (metal) rack tube by bolt and nut, the outer ring of up-thrust bearing 21 with
The inner wall of upper bearing (metal) rack tube 20 is interference fitted, the outer wall interference of inner ring and the top flange collar being set at 2 inner ring of driver plate
Cooperation；The bottom end of lower bracket cylinder 6 is fixed on the bottom of sealed cylindrical 13, the outer ring of lower thrust-bearing 19 by bolt and nut
It is interference fitted with the inner wall of lower bracket cylinder 6, the outer wall interference of inner ring and the lower part flange collar being set at 5 inner ring of underdrive plate
Cooperation.The use of thrust bearing and support of bearing cylinder avoids the axial direction that driver plate passes to unilateral bearing and generator shaft
Power, improves the operation fluency of mechanism, and extends the service life of mechanism.
The present embodiment uses link mechanism, and link mechanism damping is small, and transmission efficiency is high, avoids the occurrence of float and concussion turns
The phenomenon that changing mechanism resonance；Connection type is as shown in Fig. 2, the upper end of upper kinematic link 12 is twisted by ball and is set to upper driver plate
The connecting rod support 14 of 2 lower faces is hinged, and lower end is twisted by ball and cut with scissors with the connecting rod support 14 for being set to annular concussion 4 upper surface of disk
It connects；The upper end of the underdrive bar is twisted by ball and is set to the annular connecting rod support 14 for shaking 4 lower surface of disk hingedly, and lower end is logical
Ball is crossed to twist and be set to the connecting rod support 14 of 5 upper face of underdrive plate hingedly；Four connecting rod supports are respectively set in each plate face
14, circumferentially arrange,
The bottom of the present embodiment sealed cylindrical 13 is equipped with circular hole, is equipped with linear bearing 16 in circular hole, linear bearing 16 it is outer
Lip-type packing 7, the inner ring of linear bearing 16 and 17 transition fit of driving lever are equipped between circle and circular-hole internal-wall.Lip shape is close
The effective waterproof of seal energy, improves the safety coefficient of the present apparatus.
The present apparatus is fixed on the bridge pier side wall of bridge spanning the sea by fixing seat 11, and installation site makes float 9 be higher than Hai Ping
Face.When not having wave below bridge spanning the sea, float 9 is static at this time, and compressed spring 8 is in stretched condition, annular concussion
Disk 4 is located at middle and lower part position.
When wave passes through, float 9 is moved upwards, and compressed spring 8 is compressed, and float 9 drives annular by driving lever 17
Concussion disk 4 moves upwards, and four upper kinematic links 12 of 4 upside of the disk of annular concussion at this time push upper driver plate 2 to rotate counterclockwise,
The underdrive connecting rod of 4 downside of annular concussion disk pulls underdrive plate 5 to rotate clockwise；Because each driver plate is internally provided with list
To bearing and action direction on the contrary, so underdrive plate 5 can not deliver torque to motor transmission shaft 3, and upper driver plate 2 can be with
Motor transmission shaft 3 is driven to rotate counterclockwise.Motor transmission shaft 3 drives two generators 15 to rotate by shaft coupling 22, starts to send out
Electricity.
After wave warp, compressed spring 8 is upheld, and moves downward float 9, and float 9 drives annular by driving lever 17
Concussion disk 4 moves downward, and four underdrive connecting rods of 4 downside of the disk of annular concussion at this time push underdrive plate 5 to rotate counterclockwise, ring
The upper kinematic link 12 of 4 upside of shape concussion disk pulls upper driver plate 2 to rotate clockwise；Because each driver plate is internally provided with list
To bearing and action direction on the contrary, so upper driver plate 2 can not deliver torque to motor transmission shaft 3, and underdrive plate 5 can be with
Motor transmission shaft 3 is driven to rotate counterclockwise.So motor transmission shaft 3 is remained as and rotated counterclockwise, two are driven by shaft coupling 22
A generator 15 is still rotated towards direction just now, continues to generate electricity.Due to that can be freely rotated on one direction of unilateral bearing, separately
The locked feature in one direction, converts two opposite driver plates in direction of rotation to the unidirectional rotary motion of generator shaft, mentions
High generating efficiency, avoids the various disadvantages of generator bidirectional rotation.
Claims (5)
1. a kind of wave energy recovering mechanism for bridge spanning the sea, which is characterized in that including fixing seat (11), sealed cylindrical (13)
With float (9)；Fixing seat (11) is set at the top of sealed cylindrical (13), for fixing recovering mechanism；Sealed cylindrical (13) is internal
Equipped with mobilizable horizontal annular concussion disk (4), float (9) is connected to below sealed cylindrical (13) by compressed spring (8),
And driving lever (17) are vertically and fixedly provided on float (9), the top of driving lever (17) passes through sealed cylindrical (13) bottom and annular is shaken
Disk (4) is swung to be fixedly connected；It is respectively arranged at the top and bottom of sealed cylindrical (13) generator (15), two generators (15)
Axis is connected to the both ends of motor transmission shaft (3) by shaft coupling (22)；It further include the upper driver plate (2) and underdrive plate of annular
(5) and inner ring and motor transmission shaft (3) interference fit upper unilateral bearing and lower unilateral bearing (18)；Under upper driver plate (2)
Kinematic link (12), the outer ring of internal ring wall and upper unilateral bearing are hinged between plate face and the upper surface of annular concussion disk (4)
Interference fit；Underdrive connecting rod, inner ring are hinged between the upper face of underdrive plate (5) and the lower surface of annular concussion disk (4)
The outer ring of wall and lower unilateral bearing (18) is interference fitted, and lower unilateral bearing (18) is contrary with upper unilateral bearing.
2. the wave energy recovering mechanism according to claim 1 for bridge spanning the sea, which is characterized in that further include upper bearing (metal)
Rack tube (20), lower bracket cylinder (6), up-thrust bearing (21) and lower thrust-bearing (19)；Upper bearing (metal) rack tube (20) top
The top of sealed cylindrical (13) is fixed at end, and the outer ring of up-thrust bearing (21) and the inner wall interference of upper bearing (metal) rack tube (20) are matched
It closes, inner ring and the outer wall for the top flange collar being set at driver plate (2) inner ring are interference fitted；The bottom of lower bracket cylinder (6)
The bottom of sealed cylindrical (13) is fixed at end, and the outer ring of lower thrust-bearing (19) and the inner wall interference of lower bracket cylinder (6) are matched
It closes, inner ring and the outer wall for the lower part flange collar being set at underdrive plate (5) inner ring are interference fitted.
3. the wave energy recovering mechanism according to claim 1 for bridge spanning the sea, which is characterized in that the sealed cylindrical
(13) bottom is equipped with circular hole, is equipped with linear bearing (16) in circular hole, sets between the outer ring and circular-hole internal-wall of linear bearing (16)
Have lip-type packing (7), the inner ring and the driving lever (17) transition fit of linear bearing (16).
4. the wave energy recovering mechanism according to claim 1 for bridge spanning the sea, which is characterized in that the upper transmission connects
The upper end of bar (12) is twisted and is set to the connecting rod support (14) of upper driver plate (2) lower face by ball hingedly, and lower end passes through ball and twists
The connecting rod support (14) of disk (4) upper surface is shaken hingedly with annular is set to；The upper end of the underdrive bar is twisted and is set by ball
It is placed in the annular connecting rod support (14) for shaking disk (4) lower surface hingedly, lower end is twisted by ball and is set to underdrive plate (5) upper plate
The connecting rod support (14) in face is hinged；Connecting rod support (14) in each plate face is circumferentially arranged.
5. the wave energy recovering mechanism according to claim 1 for bridge spanning the sea, which is characterized in that the fixing seat
It (11) is the perpendicular plate-shaped member equipped with screw hole, one side of the board is fixed on sealed cylindrical (13) by horizontal fixed link (10)
On the cylinder upper end cover (1) at top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820764929.5U CN208347975U (en) | 2018-05-22 | 2018-05-22 | A kind of wave energy recovering mechanism for bridge spanning the sea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820764929.5U CN208347975U (en) | 2018-05-22 | 2018-05-22 | A kind of wave energy recovering mechanism for bridge spanning the sea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208347975U true CN208347975U (en) | 2019-01-08 |
Family
ID=64888752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820764929.5U Expired - Fee Related CN208347975U (en) | 2018-05-22 | 2018-05-22 | A kind of wave energy recovering mechanism for bridge spanning the sea |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208347975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561264A (en) * | 2018-05-22 | 2018-09-21 | 西南交通大学 | A kind of wave energy retracting device for bridge spanning the sea |
-
2018
- 2018-05-22 CN CN201820764929.5U patent/CN208347975U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561264A (en) * | 2018-05-22 | 2018-09-21 | 西南交通大学 | A kind of wave energy retracting device for bridge spanning the sea |
| CN108561264B (en) * | 2018-05-22 | 2024-03-19 | 西南交通大学 | Wave energy recovery device for cross-sea bridge |
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| GR01 | Patent grant | ||
| 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: 20190108 Termination date: 20210522 |