CN109974187A - A kind of new blower of wall hanging - Google Patents
A kind of new blower of wall hanging Download PDFInfo
- Publication number
- CN109974187A CN109974187A CN201711440119.0A CN201711440119A CN109974187A CN 109974187 A CN109974187 A CN 109974187A CN 201711440119 A CN201711440119 A CN 201711440119A CN 109974187 A CN109974187 A CN 109974187A
- Authority
- CN
- China
- Prior art keywords
- air
- fresh air
- blower
- wall hanging
- filter core
- 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- Withdrawn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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
- B01D41/04—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drying Of Gases (AREA)
Abstract
A kind of new blower of wall hanging, including casing, fresh air air inlet and fresh air air outlet are provided on casing, the air duct of connection fresh air air inlet and fresh air air outlet is formed in casing internal, filter core and blower are sequentially installed on the direction of fresh air air outlet from fresh air air inlet in air duct, it is characterized by: being also equipped with dehumidification device and cartridge cleaning device in casing internal, dehumidification device is used to dehumidify to room air, and cartridge cleaning device cleans filter core by the water collected using dehumidification device.The dehumidification device of the new blower of the wall hanging can dehumidify to room air, promote the comfort level under indoor moisture environment, the water that cartridge cleaning device can use dehumidification device collection cleans filter core, saves water resource, not only filter core can be kept to clean for a long time, improve indoor fresh air quality, and use cost can be reduced, furthermore with prolonging service life of filter elements, since without installing inlet pipeline, structure is relatively simple.
Description
Technical field
The present invention relates to a kind of new blowers of wall hanging.
Background technique
Existing new blower is generally used for the fresh air supply in building, and a Fresh air handling units can satisfy the sky of first floor
Gas, however, causing these houses not unite easily since most of residential buildings in planning and are not provided with fresh air pipeline
One is equipped with Fresh air handling units, if resident has the needs of installation fresh air, oneself can only generally be in and purchase air purifier to meet
Demand.But air purifier can not play good air displacement, filtering and purification and other effects, practically equal to only to interior
Air handled, without play indoor and outdoor air exchange function.
People have invented various wall-mounted new blowers as a result, and such as application No. is 201710112811.4 (application publication numbers
" the new blower of wall-mounted heating refrigerating integrated formula ", the one disclosed in Chinese invention patent application for CN 107062502A)
The new blower of formula includes casing, air intake blower fan, exhaust fan, total-heat exchanger, filter device, refrigeration system, heating system and control
The center in casing, outdoor air inlet and outdoor exhaust outlet opening is arranged in towards different, air inlet in device processed, total-heat exchanger
Blower is connected with indoor fresh air mouth, and exhaust fan is connected directly with outdoor exhaust outlet, and fresh wind port one indoors is arranged in filter device
Side, refrigeration system are connected to the bottom end of casing, and heating system is connected to casing top, which is applied to most
Number family, is not only able to satisfy the fresh air demand of family, moreover it is possible to combine the function of temperature adjustment, heating and hot water supply.For another example specially
Benefit number is " one disclosed in the Chinese utility model patent of 201620851693.X (Authorization Notice No. is CN 205991571U)
The wall-mounted fresh air purifier of kind ", which includes cabinet, is equipped with H13 high efficiency particulate air filter, PM2.5 in cabinet
Detection module, anion generator, fresh air host, heat exchange machine core, indoor air quality detection module, indoor return air filtering
Device, electric heater unit, O-shaped just effect active carbon filter, air draft host and dehumidification function section.The wall-mounted fresh air purifier can
Fresh, clean, rich oxygen content air is provided, and cold-heat treatment can be carried out to fresh air, indoor energy loss is reduced, increases
The effect of big environmental protection and energy saving.Above-mentioned existing new blower is filtered cleaning to the air entered the room using filter core, as consumptive material
Filter core not only increase the use cost of user, and very big burden is also brought to environment, if user is using one section
After time, forget to clean filter core, then the pollutant that will lead on filter core brings secondary pollution to room air.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to above-mentioned state of the art, one kind is provided and is able to achieve filter core washing
Automatically cleaning, the new blower of non-maintaining wall hanging.
The technical scheme of the invention to solve the technical problem is: the new blower of the wall hanging, including casing, described
Fresh air air inlet and fresh air air outlet are provided on casing, the fresh air air inlet is used to be connected with outdoor air, the fresh air
Air outlet is used to be connected with room air, is formed with the connection fresh air air inlet and fresh air air outlet in the casing internal
Air duct, filter core and blower are sequentially installed on the direction of fresh air air outlet from fresh air air inlet in the air duct, from new
The air that wind air inlet enters air duct can be expelled to interior from fresh air air outlet by blower after filter element filtering, and feature exists
In: be also equipped with dehumidification device and cartridge cleaning device in the casing internal, the dehumidification device be used to room air into
Row dehumidifying, the cartridge cleaning device clean the filter core by the water collected using dehumidification device.
Dehumidification device can have a variety of structures, it is preferable that the dehumidification device includes semiconductor chilling plate, hot side metal
Block, cold side metal block, radiator fan and condensation water tank, the hot end of the semiconductor chilling plate are mounted on the hot side metal block
Lower surface, the radiator fan are mounted on the top of hot side metal block, and the cold end of the semiconductor chilling plate is mounted on described cold
The upper surface of metal block is held, the upper surface of cold side metal block is also directly exposed in room air, and the condensation water tank is mounted on
The lower section of the cold side metal block.
Preferably, the hot side metal block and cold side metal block are aluminium block.
Cartridge cleaning device can have a variety of structures, it is preferable that the cartridge cleaning device includes cleaning container and peace
Ultrasonic transducer mounted in cleaning container bottom is equipped with oscillating plate, the cleaning container in the bottom of the cleaning container
It is connected between the condensation water tank by water pipe.When reaching the cleaning frequency, cleaning water energy flows into lower section from condensation water tank
Cleaning container in, and open cartridge cleaning device and filter core cleaned.
In order to collect the sewage after cleaning filter core, the bottom of the cleaning container is provided with sewage draining exit, pacifies in the casing
Equipped with the feculence box for being used to collect the sewage being discharged from sewage draining exit.
In order to effectively clean filter core, the filter core is rotating filter element, is equipped on rotating filter element and drives rotation filter
The first motor of core rotation.
It is expelled to interior in order to make in air duct filtered air pass through fresh air air outlet, the blower is centrifugation
Blower, the centrifugal blower include centrifugal impeller and the second motor for driving centrifugal impeller rotation.
Further preferably, the centrifugal blower and the rotating filter element are coaxially disposed, the air inlet face rotation of centrifugal blower
Turn the air outlet of filter core, fresh air air outlet described in the air outlet face of centrifugal blower.
Fresh air air inlet and fresh air air outlet can be there are many distribution modes, it is preferable that the fresh air air inlet is set to
The side of the casing, the fresh air air outlet are set to the top of the casing.
As the preferred of any of the above-described scheme, the new blower of the wall hanging further includes having for being mounted on wall ventilation hole too
It is positive can rain cover, wall ventilation hole described in the fresh air air inlet face, and the solar energy rain cover can be according to outdoor environment
Automatically adjust opening and closing degree.
Compared with the prior art, the advantages of the present invention are as follows: the new blower of the wall hanging is provided with dehumidification device in casing internal
And cartridge cleaning device, dehumidification device can dehumidify to room air, promote the comfort level under indoor moisture environment, filter core
Water of the cleaning device by being collected using dehumidification device has saved water resource to that can clean to filter core, not only can be long-term
Filter core cleaning is kept, to improve the New atmosphere quality entered the room, and the service life of filter core can be extended, reduce making for user
With cost, further, since being not necessarily to install inlet pipeline, structure is relatively simple.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figure 1, the new blower of wall hanging in the present embodiment includes casing 1,11 He of fresh air air inlet is provided on casing 1
Fresh air air outlet 12, fresh air air inlet 11 are set to the side of casing 1, and are connected by wall ventilation hole 9 with outdoor air, newly
Wind air outlet 12 is set to the top of casing 1 and is used to be connected with room air.Connection fresh air air inlet is formed with inside casing 1
The air duct 13 of mouth 11 and fresh air air outlet 12.
Filter core 2 and blower 3 are sequentially installed on the direction of fresh air air outlet 12 from fresh air air inlet 11 in air duct 13.
In the present embodiment, filter core 2 is rotating filter element, and the first motor 21 for driving rotating filter element rotation is equipped on rotating filter element.
Blower 3 is centrifugal blower, which includes centrifugal impeller 31 and the second motor 32 for driving the centrifugal impeller 31 rotation.For
Flow the air in air duct 13 more smoothly, centrifugal blower and rotating filter element are coaxially disposed, and the air inlet of centrifugal blower is being just
To the air outlet of rotating filter element, the air outlet face fresh air air outlet 12 of centrifugal blower, in this way, entering wind from fresh air air inlet 11
The air in road 13 can be expelled to interior from fresh air air outlet 12 by impeller 3 after the filtering of filter core 2.
Dehumidification device 4 and cartridge cleaning device 5 are also equipped with inside casing 1.
Wherein, dehumidification device 4 is used to dehumidify to room air.Specifically, dehumidification device 4 includes semiconductor chilling plate
41, hot side metal block 42, cold side metal block 43, radiator fan 44 and condensation water tank 45, the hot end installation of semiconductor chilling plate 41
In the lower surface of hot side metal block 42, radiator fan 44 is mounted on the top of hot side metal block 42, semiconductor chilling plate 41 it is cold
End is mounted on the upper surface of cold side metal block 43, and the upper surface of cold side metal block 43 is also directly exposed in room air, condenses
Water tank 45 is mounted on the lower section of cold side metal block 43.In the present embodiment, hot side metal block 42 and cold side metal block 43 are aluminium block.
Cartridge cleaning device 5 includes cleaning container 51 and the ultrasonic transducer 52 for being mounted on cleaning container bottom, clear
The bottom for washing container 51 is equipped with oscillating plate 53, is connected between cleaning container 51 and condensation water tank 45 by water pipe 6, in this way,
The water that condensation water tank 45 is collected can be flowed into cleaning container 51 by water pipe 6, be removed so that cartridge cleaning device 5 passes through to utilize
The water that wet device 4 is collected cleans filter core 2.In order to collect the sewage generated after cleaning, the bottom of cleaning container 51 is provided with
Sewage draining exit 54 is equipped with the feculence box 7 for collecting the sewage being discharged from sewage draining exit 54 in casing 1.
In addition, the new blower of the wall hanging further includes having solar energy rain cover 8, solar-electricity is installed in solar energy rain cover 8
Pond, when installation, solar energy rain cover 8 is mounted on wall ventilation hole 9,11 face wall ventilation hole 9 of fresh air air inlet.Especially
Ground, the solar energy rain cover 8 can automatically adjust opening and closing degree according to outdoor environment, not only adjust the size of intake, can be with
Rainwater is avoided to enter new blower interior.
When the new blower of the wall hanging works normally, filter core 2 is not rotated, and outdoor air enters air duct 13 by fresh air air inlet 11
Interior and be filtered by filter core 2, filtered air is expelled to interior from fresh air air outlet 12 by blower 3, mentions for interior
For fresh air.When needing to dehumidify, dehumidification device 4 can be opened and dehumidified to room air, condensation water tank 45 is collected dehumidifying and generated
Condensed water.When reaching the cleaning frequency, first motor 21, which slowly runs, drives filter core 2 to rotate, the condensation water tank of dehumidification device 4
45 condensed waters collected in advance are flowed by water pipe 6 in the cleaning container 51 of cartridge cleaning device 5, and open cartridge cleaning device
5 pairs of filter cores 2 clean, and the sewage generated after cleaning is flowed into feculence box 7 by sewage draining exit 54.
Claims (10)
1. a kind of new blower of wall hanging, including casing (1), are provided with fresh air air inlet (11) and fresh air outlet air on the casing (1)
Mouth (12), the fresh air air inlet (11) are used to be connected with outdoor air, and the fresh air air outlet (12) is used to and Interior Space
Gas phase connection, is formed with the air duct for being connected to the fresh air air inlet (11) and fresh air air outlet (12) inside the casing (1)
(13), filter core is sequentially installed with from the direction of fresh air air inlet (11) Xiang Xinfeng air outlet (12) in the air duct (13)
(2) and blower (3), enter from fresh air air inlet (11) air duct (13) air can pass through after filter core (2) filtering blower (3) from
Fresh air air outlet (12) is expelled to interior, it is characterised in that: dehumidification device (4) and filter are also equipped with inside the casing (1)
Core cleaning device (5), the dehumidification device (4) are used to dehumidify to room air, and the cartridge cleaning device (5) passes through benefit
The filter core (2) is cleaned with the water that dehumidification device (4) are collected.
2. the new blower of wall hanging according to claim 1, it is characterised in that: the dehumidification device (4) includes semiconductor system
Cold (41), hot side metal block (42), cold side metal block (43), radiator fan (44) and condensation water tank (45), the semiconductor
The hot end of cooling piece (41) is mounted on the lower surface of the hot side metal block (42), and the radiator fan (44) is mounted on hot end gold
Belong to the top of block (42), the cold end of the semiconductor chilling plate (41) is mounted on the upper surface of the cold side metal block (43), cold
The upper surface at end metal block (43) is also directly exposed in room air, and the condensation water tank (45) is mounted on the cold side metal
The lower section of block (43).
3. the new blower of wall hanging according to claim 2, it is characterised in that: the hot side metal block (42) and cold side metal block
It (43) is aluminium block.
4. the new blower of wall hanging according to claim 2, it is characterised in that: the cartridge cleaning device (5) includes cleaning
Container (51) and the ultrasonic transducer (52) for being mounted on cleaning container bottom, are equipped in the bottom of the cleaning container (51)
Oscillating plate (53) is connected between the cleaning container (51) and the condensation water tank (45) by water pipe (6).
5. the new blower of wall hanging according to claim 4, it is characterised in that: the bottom of the cleaning container (51) is provided with blowdown
Mouth (54) is equipped with the feculence box (7) for collecting the sewage being discharged from sewage draining exit (54) in the casing (1).
6. the new blower of wall hanging according to claim 1, it is characterised in that: the filter core (2) is rotating filter element, is being rotated
The first motor (21) for driving rotating filter element rotation is installed on filter core.
7. the new blower of wall hanging according to claim 6, it is characterised in that: the blower (3) is centrifugal blower, the centrifugation
Blower (3) includes centrifugal impeller (31) and the second motor (32) for driving centrifugal impeller rotation.
8. the new blower of wall hanging according to claim 7, it is characterised in that: the centrifugal blower and the rotating filter element are coaxial
It is arranged, the air outlet of the air inlet face rotating filter element of centrifugal blower, fresh air outlet air described in the air outlet face of centrifugal blower
Mouth (12).
9. the new blower of wall hanging according to claim 1, it is characterised in that: the fresh air air inlet (11) is set to the machine
The side of shell (1).
10. according to claim 1 to the new blower of wall hanging described in any claim in 9, it is characterised in that: further include have for
The solar energy rain cover (8) being mounted on wall ventilation hole (9), wall ventilation hole described in fresh air air inlet (11) face
(9), and the solar energy rain cover (8) can automatically adjust opening and closing degree according to outdoor environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440119.0A CN109974187A (en) | 2017-12-27 | 2017-12-27 | A kind of new blower of wall hanging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440119.0A CN109974187A (en) | 2017-12-27 | 2017-12-27 | A kind of new blower of wall hanging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109974187A true CN109974187A (en) | 2019-07-05 |
Family
ID=67070987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711440119.0A Withdrawn CN109974187A (en) | 2017-12-27 | 2017-12-27 | A kind of new blower of wall hanging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109974187A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594836A (en) * | 2020-12-11 | 2021-04-02 | 浙江茂源环保科技有限公司 | Fresh air device convenient to install |
| CN114251762A (en) * | 2021-12-16 | 2022-03-29 | 江苏凯联建筑设计有限公司 | Fresh air device for air conditioning room |
-
2017
- 2017-12-27 CN CN201711440119.0A patent/CN109974187A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594836A (en) * | 2020-12-11 | 2021-04-02 | 浙江茂源环保科技有限公司 | Fresh air device convenient to install |
| CN114251762A (en) * | 2021-12-16 | 2022-03-29 | 江苏凯联建筑设计有限公司 | Fresh air device for air conditioning room |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101959931B1 (en) | Fine dust cleaning system | |
| CN107062502A (en) | The wall-mounted heating new blower fan of refrigerating integrated formula | |
| CN205481464U (en) | Energy -conserving ventilating air clean system of pipeline formula | |
| CN101982641A (en) | Bay window-type ventilation device of air conditioning | |
| CN205191773U (en) | New trend, purification, changes in temperature, integrative comfortable machine of humidification | |
| WO2021143132A1 (en) | Ceiling-mounted fresh air conditioner indoor unit | |
| CN107084456A (en) | Double mode fresh air purifier and the indoor air purification circulatory system | |
| CN204063309U (en) | large space air conditioning unit | |
| CN109974187A (en) | A kind of new blower of wall hanging | |
| WO2020103177A1 (en) | Intelligent air circulation filtering window for closed space | |
| CN207945733U (en) | A kind of new wind turbine of indoor suspension | |
| CN209782829U (en) | Energy-saving heating radiator | |
| CN219203806U (en) | Block terminal with dehumidification function | |
| CN202993384U (en) | Indoor air cooling and heating radiation, fresh air, sterilization, humidification and dehumidification system | |
| CN210740638U (en) | Fresh air total heat exchanger | |
| CN105864933B (en) | Air-conditioner set with horizontal cross stream indirect evaporation refrigerating device | |
| CN205536346U (en) | Embedded fresh air ventilator of wall body | |
| CN207635539U (en) | A kind of new wind turbine of wall hanging | |
| CN208967951U (en) | One kind is based on logistic storage environment ventilation dehumidification device | |
| CN204574477U (en) | Teat pump boiler | |
| CN207778648U (en) | A kind of full room air cleaning system | |
| CN207299366U (en) | The wall-mounted heating new wind turbine of refrigerating integrated formula | |
| CN205208722U (en) | New trend air purifier with temperature humidity control function | |
| CN204254756U (en) | A kind of fresh air dehumidifier | |
| CN202902511U (en) | Evaporative air conditioner |
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: 20190705 |
|
| WW01 | Invention patent application withdrawn after publication |