CN207790679U - A kind of aircushion vehicle - Google Patents
A kind of aircushion vehicle Download PDFInfo
- Publication number
- CN207790679U CN207790679U CN201721790105.7U CN201721790105U CN207790679U CN 207790679 U CN207790679 U CN 207790679U CN 201721790105 U CN201721790105 U CN 201721790105U CN 207790679 U CN207790679 U CN 207790679U
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- Prior art keywords
- hull
- air blower
- sound
- cushioning device
- aircushion vehicle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000009413 insulation Methods 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000004073 vulcanization Methods 0.000 claims abstract description 13
- 230000009467 reduction Effects 0.000 claims abstract description 8
- 230000035939 shock Effects 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims description 21
- 238000009423 ventilation Methods 0.000 claims description 17
- 238000013016 damping Methods 0.000 claims description 13
- 239000002937 thermal insulation foam Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims 9
- 239000011229 interlayer Substances 0.000 claims 1
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of aircushion vehicle, hull surrounding is provided with apron, and air blower is provided in hull.Hull interior is provided with cushioning device being connected between air blower and hull and for shock insulation noise reduction, cushioning device includes rubber buffer plate and sandwich clad steel, rubber buffer plate is arranged with sandwich clad steel interval, and adjacent rubber buffer plate and sandwich clad steel bonding by Vulcanization are fixed；And it is covered with sound arrester outside air blower, sound arrester includes several puiggings.Cushioning device is connected between hull and air blower, play the role of cut down air blower transmit to hull vibrations.Sound arrester includes several puiggings, and sound arrester covers at outside noise source, and puigging then plays the role of absorption of noise.Shock insulation noise reducing apparatus reduces the noise generated because air blower shakes by increasing for shock insulation cushioning device and for the sound arrester of sound-proof sound-absorbing in terms of two.
Description
Technical field
The utility model is related to field of vehicles, more particularly, to a kind of aircushion vehicle.
Background technology
Aircushion vehicle is to utilize pressure-air alow and the water surface（Or ground）Between form air cushion, keep hull all or part of
Hover, the resistance that is subject to when to reduce hull navigation realizes a kind of ship of high speed operation, aircushion vehicle because of its high speed, flexibly
The characteristics of rescue, go sightseeing etc. fields be widely used.
Existing publication No. is the Chinese patent of CN106114487A, and it discloses a kind of high stationarity aircushion vehicle water conservancy diversion to fill
It sets, includes hull, hull lateral surface is provided with a corral skirt, and hull interior bottom plate centre position is provided with radiator, dissipates
Thermal upper surface is equipped with air blower.Air blower is separately connected the escape pipe of the left and right sides by double pressure-control valves, and goes out
Tracheae is connected with apron, that is, realizes the purpose that an air blower is inflated to apron both sides simultaneously, ensure the air pressure of apron both sides
Unanimously, the stationarity after hull hovers is improved.
In actual use, air blower is blown to both sides escape pipe, and air blower passes through radiator and hull phase
Connection.When air blower air blast, air blower will produce vibrations, and vibrations can be transferred at the radiator of lower section, drive radiator
Common vibrations, and the noise that vibrations are sent out is big, the prior art exists can improvements.
Utility model content
In view of the above technical problems, the purpose of this utility model is to provide a kind of aircushion vehicles, by hull interior
Cushioning device is set below air blower, and is provide with sound arrester outside air blower, to achieve the purpose that bradyseism noise reduction.
To achieve the above object, the utility model provides following technical solution：A kind of aircushion vehicle includes hull, institute
It states hull surrounding and is provided with apron, and be provided with the air blower for blowing to apron, the hull and air blast in the hull
The cushioning device for shock insulation noise reduction is provided between machine, the cushioning device includes rubber buffer plate and sandwich clad steel, institute
It states rubber buffer plate with sandwich clad steel interval to be arranged, and the adjacent rubber buffer plate and sandwich clad steel bonding by Vulcanization are fixed；And
It is covered with sound arrester outside the air blower, the sound arrester includes several puiggings.
By using above-mentioned technical proposal, connected by rubber buffer plate with the stacked cushioning device constituted in sandwich clad steel interval
Between hull and air blower, can play the role of cutting down air blower transmit to hull vibrations, and adjacent rubber buffer
Plate be fixedly connected by bonding by Vulcanization with sandwich clad steel it is into a single integrated structure, have good cushion performance and structural strength.Meanwhile
It is also covered with sound arrester outside air blower, and sound arrester includes several puiggings, sound arrester covers at outside noise source, i.e.,
Reduce noise by the method for sound insulation, and puigging then plays the role of absorption of noise, i.e., by sound-absorbing material absorb acoustic energy with
Reduce noise.Aircushion vehicle shock insulation noise reducing apparatus is by increasing the sound insulation dress for shock insulation cushioning device and for sound-proof sound-absorbing
It sets, the noise generated because air blower shakes is reduced in terms of two.
The utility model is further arranged to：Be covered with blimp body outside the air blower, the puigging be adhered to every
On sound cover body inner wall, and the sound insulation cover body is integrally formed by several sound panels.
By using above-mentioned technical proposal, sound panel refers to being more than atmospheric density and the larger material system of density contrast by density
At plank, and because sound when being propagated across medium, two media density difference is bigger, then sound energy loss is bigger, then by every
Sound insulation cover body made of soundboard can play the role of cutting down the noise propagated outward；And sound insulation cover body itself is integrally formed, every
Sound cover body equally plays the role of sound insulation.
The utility model is further arranged to：The puigging includes damping sound insulation felt and heat insulation foam, and it is described every
Soundboard, damping sound insulation felt and heat insulation foam are bonded successively.
By using above-mentioned technical proposal, sound panel, damping sound insulation felt and heat insulation foam are bonded successively, and connection type is simple,
It is convenient to carry out.And the characteristic that damping sound insulation felt has damping characteristic and material is light, tensile strength is big, both played sound absorption sound insulation
Effect, and convenient for user's adhesion connect；And heat insulation foam itself has heat-insulated and two kinds of characteristics of sound-absorbing, has both played the work of sound-absorbing
With, and can play the role of completely cutting off the heat given out in the air blower course of work, the heat pair for preventing air blower from giving out
Damping sound insulation felt causes to damage, and influences its sound insulation and noise reduction effect.
The utility model is further arranged to：The ventilation mouth for gas exchanges, and institute are offered on the sound insulation cover body
State the radiator fan being provided on sound insulation cover body for heat dissipation.
By using above-mentioned technical proposal, heat insulation foam plays heat-insulated effect, to prevent heat to be stored in blimp body,
Radiator fan is added to achieve the purpose that, by heat derives sound insulation cover body, ventilation mouth then plays the role of reinforcing air circulation.
The utility model is further arranged to：The radiator fan is communicated with exhaust duct, and the exhaust duct and ship
It is connected outside body, the ventilation mouth is communicated with intake stack, and the intake stack is communicated with pipeline ventilation machine.
By using above-mentioned technical proposal, the air with heat that radiator fan sheds is expelled to ship by exhaust duct
Outside body, heat is avoided to be immediately discharged to hull interior；And air inlet is connected by intake stack with pipeline fan, is carried with reaching
The purpose of high air exchange effect.In summary 2 points, not only play the role of promoting air circulation inside blimp body, but also play
The purpose for maintaining hull interior air quality excellent.
The utility model is further arranged to：The rubber buffer edges of boards edge extends and has been bent to form rubber slab bending
Portion, the sandwich clad steel edge extends and has been bent to form steel plate bending portion, and the rubber bending part inclines with steel plate bending portion
The consistent simultaneously bonding by Vulcanization of tilted direction.
By using above-mentioned technical proposal, rubber slab bending part and steel plate bending portion bonding by Vulcanization to be integrally formed structure,
With preferable structural strength.And rubber bending part plays the role of limiting steel plate bending portion of lower layer, and just plate bending part then rises
To the effect of limitation underlying rubber bending part, to reach firm integrally-built purpose.
The utility model is further arranged to：Be respectively arranged at the top and bottom of the cushioning device upper layer installation steel plate and
Lower layer's mounting plate, the upper layer installation steel plate and lower layer's mounting plate are fixed with corresponding rubber buffer plate bonding by Vulcanization respectively,
And the upper layer mounting plate is detachably connected with blower bottom by bolt, lower layer's mounting plate can by bolt with hull
Dismantling connection.
By using above-mentioned technical proposal, lower layer's mounting plate and upper layer mounting plate respectively with corresponding hull bottom, drum
Wind turbine bottom is connected, and plays the role of protecting rubber buffer plate；And top plate loading board and lower layer's mounting plate by bolt with
Corresponding air blower, hull bottom are connected, to achieve the purpose that be easily installed.
The utility model is further arranged to：The blower bottom is provided with mounting seat, is arranged on the bolt
Spring washer, and the spring washer is set between mounting seat and upper layer installation steel plate；Lower layer's mounting plate edge to
Outer extension is provided with mounting portion, and the mounting portion is connected with hull by bolt, and spring washer is arranged on the bolt, and
The spring washer is set between hull and lower layer's installation steel plate.
By using above-mentioned technical proposal, air blower is connected by pedestal with upper layer mounting plate, and lower layer's mounting plate is logical
It crosses mounting portion with hull to be connected, and is arranged with the spring washer being used cooperatively on bolt, play and lock locking effect.
The utility model is further arranged to：The mounting seat and hull are coated with anaerobism with bolt connection
Glue.
By using above-mentioned technical proposal, will not be cured when anaerobic adhesive is contacted with oxygen or air, and with air every
Just rapid polymerization without offspring becomes the solid polymer for being crosslinked shape, plays and locks locking effect.
The utility model is further arranged to：The cushioning device surrounding is provided with the enclosing for playing protective action, described
Corrugated board is filled between enclosing and cushioning device.
By using above-mentioned technical proposal, enclosing plays the role of protecting cushioning device, and between enclosing and cushioning device
The corrugated board of filling avoids the two from being in direct contact, and plays the role of buffering.
In conclusion the utility model has the advantages that：
One：Cushioning device is made of rubber buffer plate and sandwich clad steel interval bonding by Vulcanization, and cushioning device is connected to
Between hull and air blower, and sound arrester is made of sound insulation cover body and damping sound insulation felt and heat insulation foam bonding, and is covered at
Outside air blower, to by slowing down vibrations between air blower and hull and by two sides of sound insulation cover body sound-proof sound-absorbing
Face achievees the purpose that reduce noise；
Secondly：The radiator fan and ventilation mouth for heat dissipation are provided on sound insulation cover body, and mouth of taking a breath passes through air inlet pipe
Road is connected with pipeline ventilation machine.Air in blimp body is expelled to by radiator fan and wind pipe outside hull, and
The fresh air outside hull is pumped into inside blimp body by pipeline ventilation machine, intake stack and ventilation mouth, to reach
Keep the purpose of air circulation inside blimp body.
Description of the drawings
Fig. 1 is the structural schematic diagram of aircushion vehicle；
Fig. 2 is the general structure schematic diagram of cushioning device and sound arrester；
Fig. 3 is the structural schematic diagram of rubber buffer plate and sandwich clad steel；
Fig. 4 is the cushioning device structural schematic diagram after removing upper layer mounting plate；
Fig. 5 is the general structure schematic diagram of cushioning device；
Fig. 6 is the general structure schematic diagram of sound arrester；
Fig. 7 is the structural schematic diagram for showing sound panel and puigging；
Fig. 8 is the structural schematic diagram for showing spring washer.
Reference numeral：1, hull；11, apron；2, air blower；21, mounting seat；3, cushioning device；31, rubber buffer
Plate；311, rubber slab bending part；32, sandwich clad steel；321, steel plate bending portion；33, upper layer mounting plate；34, lower layer's mounting plate；
341, mounting portion；4, sound arrester；41, sound insulation cover body；411, sound panel；412, ventilation mouth；42, puigging；421, damping every
Sound felt；422, heat insulation foam；43, radiator fan；44, exhaust duct；45, intake stack；46, pipeline ventilation machine；5, enclosing；6, watt
Corrugated paper board；7, spring washer.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of aircushion vehicle, includes hull 1,1 surrounding of hull is provided with a corral skirt 11, and in hull 1
Portion is provided with the air blower 2 for blowing to apron 11.In conjunction with shown in Fig. 2 and Fig. 5, it is provided between hull 1 and air blower 2 slow
Be covered with sound arrester 4 outside shake device 3 and air blower 2, by slow down vibrations between air blower 2 and hull 1 and by every
4 separate absorption noise of mixer, two aspects achieve the purpose that reduce the noise generated when air blower 2 works.
As shown in figure 3, above-mentioned cushioning device 3 includes several spaced rubber buffer plates 31 and sandwich clad steel 32,
I.e. rubber buffer plate 31 and sandwich clad steel 32 constitute multilayered structure, and the top layer of multilayered structure and lowest level are rubber buffer
Plate 31 is fixed between adjacent rubber buffer plate 31 and sandwich clad steel 32 by bonding by Vulcanization, is integrally tied to constitute entire multilayer
Structure.In conjunction with shown in Fig. 5, above-mentioned air blower 2 is installed on cushioning device 3, and by the buffering of multilayered structure, reaches reduction air blast
The purpose of relative vibration between machine 2 and hull 1, to achieve the purpose that cut down noise.
As shown in figure 3, above-mentioned rubber buffer plate 31 and sandwich clad steel 32 are rectangular plate, and 31 edge of rubber buffer plate
Extend and is bent to form rubber slab bending part 311 diagonally downward；32 edge of sandwich clad steel extends and is bent to form steel diagonally downward
Plate bending part 321, and rubber slab bending part 311 is integrally formed with steel plate bending portion 321 by bonding by Vulcanization.Above-mentioned rubber slab is curved
Folding part 311 plays the role of limiting lower layer's sandwich clad steel 32, and limitation underlying rubber buffer board 31 is played in steel plate bending portion 321
Effect, to achieve the purpose that improve overall structure stability.
In conjunction with shown in Fig. 4 and Fig. 5, for the ease of installation personnel installation or follow-up maintenance operation, 3 top of above-mentioned cushioning device
Be respectively arranged with upper layer mounting plate 33 and lower layer's mounting plate 34 with bottom, upper layer mounting plate 33 and lower layer's mounting plate 34 respectively with phase
Corresponding 31 bonding by Vulcanization of rubber buffer plate is fixed, and upper layer mounting plate 33 is detachably connected with 2 bottom of air blower by bolt,
Lower layer's mounting plate 34 is detachably connected with hull 1 by bolt.
As shown in figure 5,2 bottom of above-mentioned air blower is provided with mounting seat 21, mounting seat 21 is a circular plate, and round
It is equipped with bolt between shape plate and upper layer mounting plate 33；Spring washer 7 is arranged on bolt, spring washer 7 is set to installation
Between pedestal 21 and upper layer mounting plate 33.Above-mentioned 34 edge of lower layer's mounting plate, which integrally extends outwardly, is provided with mounting portion 341, installation
It is equipped with bolt between portion 341 and hull 1；Spring washer 7 is arranged in conjunction with shown in Fig. 8, on bolt, spring washer 7 is set to
Between hull 1 and lower layer's mounting plate 34.Above-mentioned mounting seat 21, hull 1 and bolt connection are coated with anaerobic adhesive, anaerobism
Glue and spring washer 7, which play, fastens locking effect, to achieve the purpose that improve overall structure stability.
As shown in figure 4, in order to further increase overall structure stability of the cushioning device 3 when air blower 2 works, it is above-mentioned
Cushioning device 3 is all around equipped with the enclosing 5 for playing protective action, and corrugated board 6 is filled between enclosing 5 and cushioning device 3,
While protecting cushioning device 3, play the role of buffer limit.
As shown in fig. 7, above-mentioned sound arrester 4 include the sound insulation cover body 41 covered at outside air blower 2 and be set to every
Several puiggings 42 on 41 inner wall of sound cover body.Sound insulation cover body 41 is integrally formed by several sound panels 411, and 42 adhesion of puigging
In on 411 inner wall of sound panel.Above-mentioned puigging 42 includes damping sound insulation felt 421 and heat insulation foam 422, and sound panel 411, resistance
Buddhist nun's deadening felt 421 and heat insulation foam 422 are adhesively fixed successively.Sound arrester 4 passes through sound panel 411, damping sound insulation felt 421 and heat-insulated
Cotton 422 absorbs the noise sent out when air blower 2 works, to realize the purpose of noise reduction.
As shown in fig. 6, above-mentioned heat insulation foam 422 has certain deadening, but its main function is isolation 2 work of air blower
As when the heat that generates.But in order to avoid heat is accumulated in inside sound insulation cover body 41, unfavorable shadow is caused to the normal work of air blower 2
It rings, the ventilation mouth 412 for gas exchanges is offered on above-mentioned sound insulation cover body 41, and be additionally provided on sound insulation cover body 41 for dissipating
The radiator fan 43 of heat.Above-mentioned radiator fan 43 is communicated with exhaust duct 44, and is connected outside exhaust duct 44 and hull 1；
Ventilation mouth 412 is communicated with intake stack 45, and intake stack 45 is communicated with pipeline ventilation machine 46, so that 41 inside of sound insulation cover body is empty
The smooth circulation of gas.
The utility model is expanded on further with reference to specific action：
When air blower 2 works normally, pipeline ventilation machine 46 by intake stack 45 by outside hull 1 air be pumped into every
Inside sound cover body 41, radiator fan 43 is extracted the air with heat side by side out from 41 inside of sound insulation cover body by exhaust duct 44
To hull 1, the air exchange inside sound insulation cover body 41 is completed；
The noise that air blower 2 generates when working is cut via heat insulation foam 422, damping sound insulation felt 421 and 411 three of sound panel
It is weak；And the vibrations that air blower 2 generates during the work time are cut down via cushioning device 3, further achieve the purpose that noise reduction.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (10)
1. a kind of aircushion vehicle includes hull（1）, the hull（1）Surrounding is provided with apron（11）, and the hull（1）It is interior
It is provided with for apron（11）The air blower of air blowing（2）, it is characterised in that：The hull（1）With air blower（2）Between be arranged
It is useful for the cushioning device of shock insulation noise reduction（3）, the cushioning device（3）It include rubber buffer plate（31）And sandwich clad steel
（32）, the rubber buffer plate（31）With sandwich clad steel（32）Interval setting, and the adjacent rubber buffer plate（31）And interlayer
Steel plate（32）Bonding by Vulcanization is fixed；And the air blower（2）It is covered with sound arrester outside（4）, the sound arrester（4）Include
Several puiggings（42）.
2. a kind of aircushion vehicle according to claim 1, it is characterised in that：The air blower（2）It is covered with blimp body outside
（41）, the puigging（42）It is adhered to sound insulation cover body（41）On inner wall, and the sound insulation cover body（41）By several sound panels
（411）It is integrally formed.
3. a kind of aircushion vehicle according to claim 2, it is characterised in that：The puigging（42）It include damping sound insulation felt
（421）And heat insulation foam（422）, and the sound panel（411）, damping sound insulation felt（421）And heat insulation foam（422）It is bonded successively.
4. a kind of aircushion vehicle according to claim 3, it is characterised in that：The sound insulation cover body（41）On offer for gas
The ventilation mouth that body exchanges（412）, and the sound insulation cover body（41）On be provided with radiator fan for heat dissipation（43）.
5. a kind of aircushion vehicle according to claim 4, it is characterised in that：The radiator fan（43）It is communicated with exhaust duct
（44）, and the exhaust duct（44）With hull（1）Outside is connected, the ventilation mouth（412）It is communicated with intake stack（45）,
And the intake stack（45）It is communicated with pipeline ventilation machine（46）.
6. a kind of aircushion vehicle according to claim 1, it is characterised in that：The rubber buffer plate（31）Edge extension is simultaneously curved
Folding is formed with rubber slab bending part（311）, the sandwich clad steel（32）Edge extends and has been bent to form steel plate bending portion
（321）, and the rubber slab bending part（311）With steel plate bending portion（321）The consistent simultaneously bonding by Vulcanization of inclined direction.
7. a kind of aircushion vehicle according to claim 6, it is characterised in that：The cushioning device（3）Distinguish top and bottom
It is provided with upper layer mounting plate（33）With lower layer's mounting plate（34）, the upper layer mounting plate（33）With lower layer's mounting plate（34）Respectively with
Corresponding rubber buffer plate（31）Bonding by Vulcanization is fixed, and the upper layer mounting plate（33）With air blower（2）Bottom passes through spiral shell
Bolt is detachably connected, lower layer's mounting plate（34）With hull（1）It is detachably connected by bolt.
8. a kind of aircushion vehicle according to claim 7, it is characterised in that：The air blower（2）Bottom is provided with installation bottom
Seat（21）, spring washer is arranged on the bolt（7）, and the spring washer（7）It is set to mounting seat（21）With upper layer
Between installation steel plate；Lower layer's mounting plate（34）Edge, which extends outwardly, is provided with mounting portion（341）, the mounting portion（341）
With hull（1）It is connected by bolt, spring washer is arranged on the bolt（7）, and the spring washer（7）It is set to ship
Body（1）With lower layer install steel plate between.
9. a kind of aircushion vehicle according to claim 8, it is characterised in that：The mounting seat（21）And hull（1）With spiral shell
Bolt connection is coated with anaerobic adhesive.
10. a kind of aircushion vehicle according to claim 1, it is characterised in that：The cushioning device（3）Surrounding, which is provided with, to be played
The enclosing of protective action（5）, the enclosing（5）With cushioning device（3）Between be filled with corrugated board（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721790105.7U CN207790679U (en) | 2017-12-19 | 2017-12-19 | A kind of aircushion vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721790105.7U CN207790679U (en) | 2017-12-19 | 2017-12-19 | A kind of aircushion vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207790679U true CN207790679U (en) | 2018-08-31 |
Family
ID=63281965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721790105.7U Expired - Fee Related CN207790679U (en) | 2017-12-19 | 2017-12-19 | A kind of aircushion vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207790679U (en) |
-
2017
- 2017-12-19 CN CN201721790105.7U patent/CN207790679U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180831 Termination date: 20201219 |