CN107352622A - A kind of automatic back-washing water purifier - Google Patents
A kind of automatic back-washing water purifier Download PDFInfo
- Publication number
- CN107352622A CN107352622A CN201710603809.7A CN201710603809A CN107352622A CN 107352622 A CN107352622 A CN 107352622A CN 201710603809 A CN201710603809 A CN 201710603809A CN 107352622 A CN107352622 A CN 107352622A
- Authority
- CN
- China
- Prior art keywords
- water
- counter
- infiltrations
- pipeline
- pure water
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 146
- 238000011001 backwashing Methods 0.000 title claims abstract description 19
- 238000001764 infiltration Methods 0.000 claims abstract description 33
- 239000010865 sewage Substances 0.000 claims abstract description 22
- 238000011010 flushing procedure Methods 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims description 17
- 238000001223 reverse osmosis Methods 0.000 claims description 16
- 238000007689 inspection Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/12—Use of permeate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/40—Automatic control of cleaning processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A kind of automatic back-washing water purifier, include sensing magnetic valve（1）, circulating pressure pump（5）, milipore filter（3）, RO counter-infiltrations（4）, water tank（2）, control circuit, pure water pipeline（I）, pure water pipeline（II）, sewage draining exit（6）, RO counter-infiltrations（4）With water tank（2）It is connected, it is characterised in that circulating pressure pump（5）Side and RO counter-infiltrations（4）It is connected, opposite side and water tank（2）It is connected, pure water pipeline（I）With pure water pipeline（II）It is set in parallel in RO counter-infiltrations（4）Delivery port side, sewage draining exit（6）It is arranged on RO counter-infiltrations（4）Water inlet side, circulating pressure pump（5）It is connected with pure water pipeline by sensing magnetic valve, its function with detection water quality index of water tank, provided with TDS sensors, TDS values inside automatic decision production water, if TDS values are more than the value of setting, the water that automatic triggering circulating pump starts to draw inside water tank carrys out filter cartridge flushing, while the sensing magnetic valve on inlet pipeline can close water inlet so as to open sewage draining exit.
Description
Technical field
The present invention relates to household water filter field, more particularly to a kind of automatic back-washing water purifier.
Background technology
The backwash of water purifier and purifier on the market is rinsed with municipal tap water at present, and such effect is not only not
Ideal, secondary blocking can be also caused to filter core on the contrary, more influence the purification filtering function of filter core itself.
The present invention provides a kind of automatic back-washing water purifier and method, using the production water of water purifier itself come backwash filter core, no
But filtering is notable and has fundamentally prevented secondary blocking of the water purifier in backwash.
The content of the invention
In order to solve the above problems, the present invention provides a kind of automatic back-washing water purifier, includes sensing magnetic valve（1）, circulation
Compression pump（5）, milipore filter（3）, RO counter-infiltrations（4）, water tank（2）, control circuit, pure water pipeline（I）, pure water pipeline（II）,
Sewage draining exit（6）, RO counter-infiltrations（4）With water tank（2）It is connected, it is characterised in that circulating pressure pump（5）Side and RO counter-infiltrations
（4）It is connected, opposite side and water tank（2）It is connected, pure water pipeline（I）With pure water pipeline（II）It is set in parallel in RO counter-infiltrations（4）
Delivery port side, sewage draining exit（6）It is arranged on RO counter-infiltrations（4）Water inlet side, circulating pressure pump（5）Pass through biography with pure water pipeline
Electrification magnet valve is connected, and it has the function of detecting water quality index to water tank, and provided with TDS sensors, automatic decision is produced inside water
TDS values, if TDS values are more than the value of setting, the water that automatic triggering circulating pump starts to draw inside water tank carrys out filter cartridge flushing, together
When inlet pipeline on sensing magnetic valve can close water inlet so as to open sewage draining exit.
The circulating pressure pump is multistage centrifugal water, sewage draining exit（6）With pure water pipeline not in homonymy.
The back pressure control of reverse-osmosis membrane element is controlled in 0-0.6MPa, circulating pressure pump by control circuit.
The path of automatic back-washing is two, pure water pipeline（I）, pure water pipeline（II）, circulating pressure pump（5）With water tank
（2）It is connected to form a path, pure water pipeline（I）, RO counter-infiltrations（4）With sewage draining exit（6）, RO counter-infiltrations（4）With water tank（2）
It is connected to form a path.
The control of back pressure influences washing time and effect, the upper limit control of the RO reverse osmosis membranes in the application in 0.6MPa,
The purpose for the arrangement is that in order to protect the life-span of RO reverse osmosis membranes, wherein 0.6MPa pressure is preferable with people's effect, but during use
Still based on 0.3MPa, the life-span of RO reverse osmosis membranes so mainly can effectively be extended, back pressure is buffer brake.
In one preferred embodiment, the back pressure of reverse-osmosis membrane element is controlled in 0.3-0.6MPa.
In one preferred embodiment, the back pressure of reverse-osmosis membrane element is 0.3MPa.
In one preferred embodiment, the back pressure of reverse-osmosis membrane element is 0.1MPa.
In one preferred embodiment, the back pressure of reverse-osmosis membrane element is 0.6MPa.
In one preferred embodiment, its function with detection water quality index of the water tank, is sensed provided with TDS
Device, the TDS values inside water can be produced with automatic decision, if TDS values are more than the value of setting, triggering circulating pump can start to draw automatically
Water inside water tank carrys out filter cartridge flushing, while the sensing magnetic valve on milipore filter inlet pipeline can close water inlet so as to open
Electromagnetic sensing valve water inlet on sewage draining exit, RO film inlet pipelines closes sewage draining exit opening, RO film pure water pipelines（II）On biography
Feel closed electromagnetic valve sewage draining exit to open and water tank connector.Circulating pump and then the production water inside water tank can be drawn from RO reverse osmosis
Saturating concentrated water spout enters production water to rinse RO membrane cartridges.Flushing water is from the electromagnetic sensing valve blowdown on RO film inlet pipelines
Mouth discharge, after rinsing 2min, RO film pure water pipelines（II）On sensing closed electromagnetic valve, the electromagnetic sensing on RO film inlet pipelines
Valve opens water inlet, and the magnetic valve on RO film water producing pipes road makes water inlet, and the magnetic valve on milipore filter inlet pipeline opens row
Dirty mouth, the production water that circulating pump draws inside water tank again rinse milipore filter from RO film water producing pipes road, and flushing water enters from milipore filter
Magnetic valve sewage draining exit discharge in water lines.
Brief description of the drawings
Fig. 1 is the structural representation according to a kind of automatic back-washing water purifier of one embodiment of the present invention.
Fig. 2 is a kind of RO counter-infiltrations backwash structural representation according to one embodiment of the present invention.
Fig. 3 is the push-in backwash structural representation of a kind of ultrafiltration membrane filter element internal pressure according to one embodiment of the present invention.
Fig. 4 is a kind of control circuit according to one embodiment of the present invention.
Embodiment
Embodiment 1
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with signal
Mode illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
Shown in Fig. 1 to Fig. 4, the present invention provides a kind of automatic back-washing water purifier, includes sensing magnetic valve（1）, circulating pressure
Pump（5）, milipore filter（3）, RO counter-infiltrations（4）, water tank（2）, control circuit, pure water pipeline（I）, pure water pipeline（II）, blowdown
Mouthful（6）, RO counter-infiltrations（4）With water tank（2）It is connected, it is characterised in that circulating pressure pump（5）Side and RO counter-infiltrations（4）
It is connected, opposite side and water tank（2）It is connected, pure water pipeline（I）With pure water pipeline（II）It is set in parallel in RO counter-infiltrations（4）Go out
Mouth of a river side, sewage draining exit（6）It is arranged on RO counter-infiltrations（4）Water inlet side, circulating pressure pump（5）With pure water pipeline by sensing electricity
Magnet valve is connected, and it has the function of detecting water quality index to water tank, and provided with TDS sensors, automatic decision produces the TDS inside water
Value, if TDS values are more than the value of setting, the water that automatic triggering circulating pump starts to draw inside water tank carrys out filter cartridge flushing, simultaneously
Sensing magnetic valve on inlet pipeline can close water inlet so as to open sewage draining exit.
The circulating pressure pump is multistage centrifugal water.
Circulating pressure pump is controlled by control circuit.
The path of automatic back-washing is two, pure water pipeline（I）, pure water pipeline（II）, circulating pressure pump（5）With water tank
（2）It is connected to form a path, pure water pipeline（I）, RO counter-infiltrations（4）With sewage draining exit（6）, RO counter-infiltrations（4）With water tank（2）
It is connected to form a path.
The back pressure of reverse-osmosis membrane element is controlled in 0.3-0.6MPa.
The back pressure of reverse-osmosis membrane element is 0.3MPa.
The back pressure of reverse-osmosis membrane element is 0.6MPa.
Embodiment 2
The present invention provides a kind of automatic back-washing water purifier, includes sensing magnetic valve（1）, circulating pressure pump（5）, milipore filter（3）、RO
Counter-infiltration（4）, water tank（2）, control circuit, pure water pipeline（I）, pure water pipeline（II）, sewage draining exit（6）, RO counter-infiltrations（4）With
Water tank（2）It is connected, it is characterised in that circulating pressure pump（5）Side and RO counter-infiltrations（4）It is connected, opposite side and water tank
（2）It is connected, pure water pipeline（I）With pure water pipeline（II）It is set in parallel in RO counter-infiltrations（4）Delivery port side, sewage draining exit（6）If
Put in RO counter-infiltrations（4）Water inlet side, circulating pressure pump（5）It is connected with pure water pipeline by sensing magnetic valve.
The external-compression type inserts filter core soon, and its stoste enters inside filter core, and through pressure-driven, radially ecto-entad permeates,
Crossing middle control fiber turns into permeate, and concentrate is then stayed in outside macaroni yarn.Its water inlet is connected to activated carbon production water end, and it is produced
The mouth of a river is connected to RO films water inlet front end.
Wherein described RO counter-infiltrations（4）Its water inlet is connected to milipore filter production water end (W.E.).
Wherein described water tank（5）5 liters of production water can be stored, enter water tank when producing water, when reaching a certain amount, with storage
The connected high-voltage switch gear of water pot can start, and so as to which complete machine stops water processed, water tank water is expired at that time.
Wherein described control circuit, it is connection circulating pump, sensing magnetic valve, TDS sensors, the power line of high-voltage switch gear
Road.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (7)
1. a kind of automatic back-washing water purifier, include sensing magnetic valve（1）, circulating pressure pump（5）, milipore filter（3）, RO counter-infiltrations
（4）, water tank（2）, control circuit, pure water pipeline（I）, pure water pipeline（II）, sewage draining exit（6）, RO counter-infiltrations（4）With water tank
（2）It is connected, it is characterised in that circulating pressure pump（5）Side and RO counter-infiltrations（4）It is connected, opposite side and water tank（2）Phase
Even, pure water pipeline（I）With pure water pipeline（II）It is set in parallel in RO counter-infiltrations（4）Delivery port side, sewage draining exit（6）It is arranged on RO
Counter-infiltration（4）Water inlet side, circulating pressure pump（5）Be connected with pure water pipeline by sensing magnetic valve, water tank its have inspection
The function of water quality index is surveyed, provided with TDS sensors, automatic decision produces the TDS values inside water, if TDS values are more than the value of setting,
The water that automatic triggering circulating pump starts to draw inside water tank carrys out filter cartridge flushing, while the sensing magnetic valve on inlet pipeline can close
Water inlet is closed so as to open sewage draining exit.
A kind of 2. automatic back-washing water purifier according to claim 1, it is characterised in that the circulating pressure pump for it is multistage from
Core type water, sewage draining exit（6）With pure water pipeline not in homonymy.
A kind of 3. automatic back-washing water purifier according to claim 1, it is characterised in that the back pressure control of reverse-osmosis membrane element
In 0-0.6MPa, circulating pressure pump is controlled by control circuit.
A kind of 4. automatic back-washing water purifier according to claim 1, it is characterised in that the path of automatic back-washing is two,
Pure water pipeline（I）, pure water pipeline（II）, circulating pressure pump（5）With water tank（2）It is connected to form a path, pure water pipeline
（I）, RO counter-infiltrations（4）With sewage draining exit（6）, RO counter-infiltrations（4）With water tank（2）It is connected to form a path.
A kind of 5. automatic back-washing water purifier according to claim 1, it is characterised in that the back pressure control of reverse-osmosis membrane element
In 0.3-0.6Mpa.
6. a kind of automatic back-washing water purifier according to claim 1, it is characterised in that the back pressure of reverse-osmosis membrane element is
0.3MPa。
7. a kind of automatic back-washing water purifier according to claim 1, it is characterised in that the back pressure of reverse-osmosis membrane element is
0.6MPa。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710603809.7A CN107352622A (en) | 2017-07-24 | 2017-07-24 | A kind of automatic back-washing water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710603809.7A CN107352622A (en) | 2017-07-24 | 2017-07-24 | A kind of automatic back-washing water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107352622A true CN107352622A (en) | 2017-11-17 |
Family
ID=60284854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710603809.7A Pending CN107352622A (en) | 2017-07-24 | 2017-07-24 | A kind of automatic back-washing water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107352622A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408838A (en) * | 2018-04-11 | 2018-08-17 | 重庆市亚特蓝电器有限责任公司 | A kind of water purifier and water purifier auto-cleaning method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204569586U (en) * | 2015-04-14 | 2015-08-19 | 江西书源科技有限公司 | A kind of intelligent pure water back flushing and backpressure regulation water-saving type reverse osmosis water purifier |
| CN204607729U (en) * | 2015-04-14 | 2015-09-02 | 江西书源科技有限公司 | A kind of intelligent pure water is just rinsing and backpressure regulation water-saving type reverse osmosis water purifier |
| CN204661438U (en) * | 2015-04-14 | 2015-09-23 | 江西书源科技有限公司 | A kind of intelligent pure water recoil and backpressure regulation temperature steady flow formula reverse osmosis water purifier |
| CN105540909A (en) * | 2014-10-31 | 2016-05-04 | 道易（青岛）净水设备制造有限公司 | Backwash osmosis water purifier with intelligent monitoring |
-
2017
- 2017-07-24 CN CN201710603809.7A patent/CN107352622A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540909A (en) * | 2014-10-31 | 2016-05-04 | 道易（青岛）净水设备制造有限公司 | Backwash osmosis water purifier with intelligent monitoring |
| CN204569586U (en) * | 2015-04-14 | 2015-08-19 | 江西书源科技有限公司 | A kind of intelligent pure water back flushing and backpressure regulation water-saving type reverse osmosis water purifier |
| CN204607729U (en) * | 2015-04-14 | 2015-09-02 | 江西书源科技有限公司 | A kind of intelligent pure water is just rinsing and backpressure regulation water-saving type reverse osmosis water purifier |
| CN204661438U (en) * | 2015-04-14 | 2015-09-23 | 江西书源科技有限公司 | A kind of intelligent pure water recoil and backpressure regulation temperature steady flow formula reverse osmosis water purifier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408838A (en) * | 2018-04-11 | 2018-08-17 | 重庆市亚特蓝电器有限责任公司 | A kind of water purifier and water purifier auto-cleaning method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206447608U (en) | A kind of pair of film mutually backwashes water manufacturing system | |
| CN106830201B (en) | Automatic concentrated water discharge system of water purifier and water purifier | |
| CN103553233B (en) | Bucket-free water-saving water purifier | |
| CN105152382B (en) | One kind is without the double water outlet nanofiltrations of electric auto-flushing or anti-penetration water purifier | |
| CN106830187A (en) | With the water purifier for preventing reverse osmosis membrane secondary pollution function | |
| CN208577523U (en) | A kind of water purification system with water-driven tank | |
| CN207957950U (en) | A kind of Intelligent reverse osmosis water purifier | |
| CN107915281A (en) | Reverse osmosis water purification system | |
| KR20180106845A (en) | Water filtration system | |
| CN110713227A (en) | Reverse osmosis flushing device, water purifier and reverse osmosis flushing control method | |
| CN103816807A (en) | Effluent-free RO water purifier | |
| CN214299540U (en) | Pure water backflow water purification system | |
| CN106268325A (en) | Water purifier and there is the water storage device of intelligent wash function | |
| CN105036391B (en) | Purifier | |
| CN206437955U (en) | With preventing the water purifier of reverse osmosis membrane secondary pollution function | |
| CN107522308A (en) | A kind of intelligent water purification machine | |
| CN105130036B (en) | From flushing water purifier | |
| CN105621506B (en) | Water purification system | |
| CN208120789U (en) | A kind of water purification machine judging automatically the RO membrane filter service life | |
| CN207957850U (en) | A kind of anti-raised water purifier of TDS values | |
| CN107352622A (en) | A kind of automatic back-washing water purifier | |
| CN210528597U (en) | Intelligent wastewater recycling water purifier | |
| CN205473038U (en) | Domestic water purification machine filtration of RO membrane | |
| CN204981395U (en) | Self -flushing water purifier | |
| CN107265570A (en) | A kind of automatic back-washing water purifier |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171117 |