CN110486124A - A kind of automobile exhaust gas purifying installation - Google Patents
A kind of automobile exhaust gas purifying installation Download PDFInfo
- Publication number
- CN110486124A CN110486124A CN201810415164.9A CN201810415164A CN110486124A CN 110486124 A CN110486124 A CN 110486124A CN 201810415164 A CN201810415164 A CN 201810415164A CN 110486124 A CN110486124 A CN 110486124A
- Authority
- CN
- China
- Prior art keywords
- internal layer
- layer cylinder
- cylinder
- outlet end
- bloop
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/01—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust by means of electric or electrostatic separators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/0215—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters the filtering elements having the form of disks or plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/0335—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with exhaust silencers in a single housing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a kind of automobile exhaust gas purifying installations, including sealing ring, input end, internal layer cylinder, outer layer cylinder, sound-absorbing bubble, bloop, vacuum layer, water inlet pipe, air quality detecting device, outlet end, strainer and medicament add box, the input end is equipped with sealing ring, input end is connect with internal layer cylinder side, the internal layer cylinder other side is equipped with outlet end, outer layer cylinder is equipped with outside internal layer cylinder, vacuum layer is equipped between internal layer cylinder and outer layer cylinder, internal layer cylinder inner wall is equipped with bloop, bloop is equipped with vacuum layer, water inlet pipe is connected to internal layer cylinder, water inlet pipe is equipped with solenoid valve, water inlet pipe outlet end is equipped with spray row, spray head is uniformly provided on spray row, air quality detecting device is equipped in internal layer cylinder, strainer is equipped in outlet end, it is equipped with medicament inside internal layer cylinder and adds box.The present invention reduces noise pollution, reduces the quantity of smoke particle in discharge, reduces the generation of ozone, lowers photochemical fog, and structure is simple, easy to use, is conducive to promote.
Description
Technical field
The present invention relates to a kind of automobile parts, specifically a kind of automobile exhaust gas purifying installation.
Background technique
With economic development and improvement of living standards, automobile is at essential a part in for people's lives, more
Possess private car come more people.Atmosphere pollution heat caused by automobile exhaust simultaneously becomes an important problem.Tail gas
Pollutant mainly includes carbon monoxide, hydrocarbon, oxynitrides, sulfur dioxide, smokeshade, foul smell.According to statistics, often
Carbon monoxide about 3000kg, 200-400kg of hydrocarbon, 50-150kg of oxynitrides is discharged in thousand automobiles daily;Beauty
The pollutant of the flowing pollutions source emissions such as state's Los Angeles city automobile has accounted for the 90% of atmosphere pollution total amount.Vehicle exhaust is big
" arch-criminal " of gas pollution.The most important harm of vehicle exhaust is to form photochemical fog.Hydrocarbon in vehicle exhaust and
Oxynitrides issues biochemical reaction in effect of sunlight, generates ozone, it combines with other compositions in atmosphere and just forms light
Chemical fumes.Its healthhazard is mainly shown as stimulation eyes, causes blood-shoot-eye illness;Nose, throat, tracheae and lung are stimulated,
Cause chronic respiratory disease.Photochemical fog can make trees withered or died, a large amount of underproduction of crops;Capable of seeing for atmosphere can be reduced
Degree, blocks traffic.Noise pollution simultaneously is also an important harm.
Summary of the invention
The purpose of the present invention is to provide a kind of automobile exhaust gas purifying installations, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of automobile exhaust gas purifying installation, including sealing ring, input end, internal layer cylinder, outer layer cylinder, sound-absorbing bubble, bloop, vacuum
Layer, water inlet pipe, air quality detecting device, outlet end, strainer and medicament add box, and the input end is equipped with sealing ring,
Input end is connect with internal layer cylinder side, and the internal layer cylinder other side is equipped with outlet end, is equipped with outer layer cylinder outside internal layer cylinder, internal layer cylinder and outer
It is equipped with vacuum layer between layer cylinder, multiple groups filter plate is equipped in internal layer cylinder, internal layer cylinder inner wall is equipped with bloop, and bloop is equipped with true
Dead level, water inlet pipe are connected to internal layer cylinder, and water inlet pipe is equipped with solenoid valve, and water inlet pipe outlet end is equipped with spray row, uniformly sets on spray row
There is spray head, air quality detecting device is equipped in internal layer cylinder, partition is equipped in internal layer cylinder, is uniformly provided with multiple groups gas list on partition
To valve, partition is arranged close to outlet end, and electrostatic precipitator is installed between partition and outlet end, is equipped with strainer, internal layer in outlet end
The internal medicament that is equipped with of cylinder adds box, and medicament adds box and is equipped with through-hole.
As a further solution of the present invention: the bloop is made of high temperature resistant sound-absorbing material, and bloop is at hemisphere
Shape.
As further scheme of the invention: the spray row is arranged in internal layer cylinder.
As further scheme of the invention: the strainer is detachably connected with internal layer cylinder.
Compared with prior art, close the beneficial effects of the present invention are: the present invention is connect by input end with motor vehicle emission pipe
Seal guarantees leakproofness, and vehicle exhaust is avoided to leak, and vacuum layer avoids the propagation of noise, reduces noise pollution, while vacuum layer
Setting avoid heat it is direct exclusion increase Tail Pipe Temperature, slow down its aging, improve service life, pass through filter plate
Soot dust granule etc. in layering tail gas, avoids it from influencing the quality of air, and bloop increases diffusing reflection, subtract at hemispherical
The influence of few noise, vacuum layer reinforce the elimination to noise, reduce harm of the noise to human body, entered by solenoid valve control in
The size of water, cold water enter internal layer cylinder by water inlet pipe in layer cylinder, are sprayed by spray row and spray head, reduce temperature therein,
So that the smoke particle in internal layer cylinder is bedewed increase gravity simultaneously falls it, reduces the quantity of smoke particle in discharge, reductionization
Learn pollution, reduce damage to environment, air quality detecting device detects air quality in internal layer cylinder, when air quality seriously not
Notifier carrys out on-call maintenance when up to standard, avoids the further pollution to environment, and tail gas passes through partition, steam by cooling gas check valve
Etc. stopping, further the particle in tail gas is adsorbed by electrostatic precipitator, improves working efficiency and effect, strainer is into one
Step stops the discharge of smoke particle, is convenient to clean and replaces by directly dismantling strainer, and medicament addition box is provided with strong reductant,
The generation of ozone is reduced, photochemical fog is lowered, structure is simple, and it is easy to use, it is conducive to promote.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of automobile exhaust gas purifying installation.
In figure: 1, sealing ring, 2, input end, 3, internal layer cylinder, 4, outer layer cylinder, 5, sound-absorbing bubble, 6, bloop, 7, vacuum layer,
8, solenoid valve, 9, water inlet pipe, 10, spray row, 11, spray head, 12, air quality detecting device, 13, outlet end, 14, strainer, 15, medicine
Box, 16, through-hole, 17, filter plate, 18, partition, 19, cooling gas check valve, 20, electrostatic precipitator are added in agent.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Referring to Fig. 1, a kind of automobile exhaust gas purifying installation, including sealing ring 1, input end 2, internal layer cylinder 3, outer layer cylinder 4, suction
Sound bubble 5, bloop 6, vacuum layer 7, water inlet pipe 9, air quality detecting device 12, outlet end 13, strainer 14 and medicament add box
15, the input end 2 is equipped with sealing ring 1, is connect by input end 2 with motor vehicle emission pipe, and sealing ring 1 guarantees leakproofness,
Vehicle exhaust is avoided to leak, input end 2 is connect with 3 side of internal layer cylinder, and 3 other side of internal layer cylinder is equipped with outlet end 13, outside internal layer cylinder 3
Portion is equipped with outer layer cylinder 4, and vacuum layer 7 is equipped between internal layer cylinder 3 and outer layer cylinder 4, and vacuum layer 7 avoids the propagation of noise, reduces noise
Pollution, while the setting of vacuum layer 7 avoids the direct exclusion of heat from increasing Tail Pipe Temperature, slows down its aging, raising makes
With the service life, the interior multiple groups filter plate 17 that is equipped with of internal layer cylinder 3 is avoided by the soot dust granule etc. in 17 layering tail gas of filter plate
Its quality for influencing air, 3 inner wall of internal layer cylinder are equipped with bloop 6, and bloop 6 is equipped with vacuum layer 7, and bloop 6 is by high temperature resistant
Sound-absorbing material is made, and bloop 6 increases diffusing reflection at hemispherical, reduces the influence of noise, and the reinforcement of vacuum layer 7 disappears to noise
It removes, reduces harm of the noise to human body, water inlet pipe 9 is connected to internal layer cylinder 3, and water inlet pipe 9 is equipped with solenoid valve 8, passes through solenoid valve 8
Control enters the size of water in internal layer cylinder 3, and 9 outlet end of water inlet pipe is equipped with spray row 10, is uniformly provided with spray head 11 on spray row 10, sprays
Row 10 is arranged in internal layer cylinder 3, and cold water enters internal layer cylinder 3 by water inlet pipe 9, is sprayed by spray row 10 and spray head 11, reduces it
In temperature, while bedew smoke particle in internal layer cylinder 3 and increasing gravity and fall it, reduce the number of smoke particle in discharge
Amount reduces chemical contamination, reduces the damage to environment, is equipped with air quality detecting device 12, Detection of Air Quality in internal layer cylinder 3
Device 12 detects air quality in internal layer cylinder 3, and when air quality is not seriously up to standard, notifier carrys out on-call maintenance, avoids to environment
Further pollution, partition 18 is equipped in internal layer cylinder 3, is uniformly provided with multiple groups cooling gas check valve 19 on partition 18, partition 18 is close
Outlet end 13 be arranged, between partition 18 and outlet end 13 install electrostatic precipitator 20, tail gas by cooling gas check valve 19 by every
Plate, steam etc. stop, and are further adsorbed to the particle in tail gas by electrostatic precipitator 20, improve working efficiency and effect
Fruit, outlet end 13 is interior to be equipped with strainer 14, and strainer 14 is detachably connected with internal layer cylinder 3, and strainer 14 further stops smoke particle
Discharge, is convenient to clean and replaces by directly dismantling strainer 14, and medicament is equipped with inside internal layer cylinder 3 and adds box 15, medicament adds box
15 are equipped with through-hole 16, and medicament addition box 15 is provided with strong reductant, reduces the generation of ozone, lower photochemical fog.
The working principle of the invention is: the present invention is connect by input end with motor vehicle emission pipe, and sealing ring guarantees leakproofness,
Vehicle exhaust is avoided to leak, vacuum layer avoids the propagation of noise, reduces noise pollution, while the setting of vacuum layer avoids heat
It directly excludes to increase Tail Pipe Temperature, slows down its aging, improve service life, by filter plate layering tail gas
Soot dust granule etc., avoids it from influencing the quality of air, and bloop increases diffusing reflection, reduce the influence of noise, vacuum at hemispherical
Layer reinforces the elimination to noise, reduces harm of the noise to human body, the size of water in internal layer cylinder is entered by solenoid valve control,
Cold water enters internal layer cylinder by water inlet pipe, is sprayed by spray row and spray head, reduces temperature therein, while making the cigarette in internal layer cylinder
The adhesional wetting of mist particle, which increases gravity, falls it, reduces the quantity of smoke particle in discharge, reduces chemical contamination, reduces to environment
Damage, air quality detecting device detect air quality in internal layer cylinder, and when air quality is not seriously up to standard, notifier comes timely
Maintenance avoids the further pollution to environment, and by cooling gas check valve by partition, steam etc. is stopped, removed by electrostatic tail gas
Dirt device further adsorbs the particle in tail gas, improves working efficiency and effect, strainer further stop smoke particle
Discharge, is convenient to clean and replaces by directly dismantling strainer, and medicament addition box is provided with strong reductant, reduces the generation of ozone,
Lower photochemical fog.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (4)
1. a kind of automobile exhaust gas purifying installation, including sealing ring, input end, internal layer cylinder, outer layer cylinder, sound-absorbing bubble, bloop, vacuum
Layer, water inlet pipe, air quality detecting device, outlet end, strainer and medicament add box, which is characterized in that on the input end
Equipped with sealing ring, input end is connect with internal layer cylinder side, and the internal layer cylinder other side is equipped with outlet end, is equipped with outer layer outside internal layer cylinder
Cylinder is equipped with vacuum layer, multiple groups filter plate is equipped in internal layer cylinder between internal layer cylinder and outer layer cylinder, internal layer cylinder inner wall is equipped with bloop,
Bloop is equipped with vacuum layer, and water inlet pipe is connected to internal layer cylinder, and water inlet pipe is equipped with solenoid valve, and water inlet pipe outlet end is equipped with spray
Row is uniformly provided with spray head on spray row, air quality detecting device is equipped in internal layer cylinder, is equipped with partition in internal layer cylinder, on partition
Even to be equipped with multiple groups cooling gas check valve, partition is arranged close to outlet end, and electrostatic precipitator, outlet end are installed between partition and outlet end
It is interior to be equipped with strainer, it is equipped with medicament inside internal layer cylinder and adds box, medicament adds box and is equipped with through-hole.
2. a kind of automobile exhaust gas purifying installation according to claim 1, which is characterized in that the bloop is by high temperature resistant
Sound-absorbing material is made, and bloop is at hemispherical.
3. a kind of automobile exhaust gas purifying installation according to claim 1, which is characterized in that the spray row is arranged in internal layer
In cylinder.
4. a kind of automobile exhaust gas purifying installation according to claim 1, which is characterized in that the strainer and internal layer cylinder can
Dismantling connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810415164.9A CN110486124A (en) | 2018-05-03 | 2018-05-03 | A kind of automobile exhaust gas purifying installation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810415164.9A CN110486124A (en) | 2018-05-03 | 2018-05-03 | A kind of automobile exhaust gas purifying installation |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110486124A true CN110486124A (en) | 2019-11-22 |
Family
ID=68543472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810415164.9A Withdrawn CN110486124A (en) | 2018-05-03 | 2018-05-03 | A kind of automobile exhaust gas purifying installation |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110486124A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111647923A (en) * | 2020-03-10 | 2020-09-11 | 太原理工大学 | Low-noise micro-arc oxidation device |
-
2018
- 2018-05-03 CN CN201810415164.9A patent/CN110486124A/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111647923A (en) * | 2020-03-10 | 2020-09-11 | 太原理工大学 | Low-noise micro-arc oxidation device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103542473B (en) | A kind of haze pollutant cancellation element | |
CN205627532U (en) | Air cleaning device | |
CN110486124A (en) | A kind of automobile exhaust gas purifying installation | |
CN208743330U (en) | A kind of use for laboratory intelligent ventilating cabinet | |
CN204582831U (en) | A kind of annular water-washing type air purification device | |
CN203744405U (en) | Ventilating device capable of filtering dust and purifying air | |
CN201404755Y (en) | Air purifier | |
CN206350982U (en) | A kind of air cleaning unit | |
CN105749671B (en) | A kind of automatic lifting haze cleaning device | |
CN108854378A (en) | A kind of multiple dust-extraction unit of Environmental Safety flue gas | |
CN205569987U (en) | Novel on -vehicle haze washs device | |
CN211637089U (en) | Environment-friendly paint spraying chamber | |
CN103422948B (en) | Spraying smoke abatement device of generator set | |
CN208579437U (en) | A kind of air pollution treatment purification device | |
CN205349469U (en) | Car exhaust apparatus of low noise | |
CN205340429U (en) | Separated haze belt cleaning device | |
CN205360915U (en) | Automatic lift haze belt cleaning device | |
CN204746075U (en) | Be used for waste gas to absorb filterable air washer | |
CN205569985U (en) | Underground haze belt cleaning device | |
CN205340431U (en) | Multi -functional haze belt cleaning device | |
CN205913937U (en) | Spray booth environmental protection cabinet | |
CN205287890U (en) | Kitchen air clarifier | |
CN205569986U (en) | Vertical haze purger | |
CN211613226U (en) | Dustless paint spraying apparatus | |
CN218361224U (en) | Perchloric acid fume chamber |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191122 |
|
WW01 | Invention patent application withdrawn after publication |