CN113007837A - Indoor air purification equipment - Google Patents
Indoor air purification equipment Download PDFInfo
- Publication number
- CN113007837A CN113007837A CN201911310876.5A CN201911310876A CN113007837A CN 113007837 A CN113007837 A CN 113007837A CN 201911310876 A CN201911310876 A CN 201911310876A CN 113007837 A CN113007837 A CN 113007837A
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- filter
- air
- shell
- air outlet
- fixed
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses indoor air purification equipment, which comprises a shell, wherein a top cover capable of being opened and closed is arranged at the top of the shell, a partition plate is transversely arranged in the shell and divides the interior of the shell into a lower purification chamber and an upper purification chamber, a U-shaped filter element is transversely arranged in the lower purification chamber, a catalyst layer is uniformly attached to the outer surface of the U-shaped filter element, an annular lamp tube is wound on the outer surface of the U-shaped filter element, an air inlet is formed in the side wall of the lower purification chamber, the air inlet and the transverse baffle are positioned on the same side, the air inlet is positioned below the transverse baffle, an air outlet is formed in the partition plate, an air outlet is formed in the top cover, a filtering device is vertically arranged in the upper purification chamber, and a fixing and. The equipment has a simple structure, is convenient for replacing the filter screen, and has good purification effect.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to indoor air purification equipment.
Background
Along with the national economic development, the living standard of urban and rural residents in China is greatly improved, high-tech products are greatly updated, people pay more attention to a healthy, high-quality and high-level living mode, and people pay more attention to the improvement of indoor living environment by utilizing high technology. Along with the process of industrialization, industrial waste gas, domestic coal and automobile exhaust cause serious pollution to the atmospheric environment, indoor air is polluted by the external environment, and meanwhile, indoor furniture, buildings and decorative and finishing materials can release harmful substances, so that the health of indoor personnel is seriously influenced.
Current air purification equipment structure is more complicated, and is inconvenient to change the filter screen in the use, often needs professional operating personnel to open equipment and change the processing to the filter screen during the change, and the inside multilayer filter screen of only installing mostly of current air purification equipment, and purification treatment capacity is limited, can not effectual processing to the great indoor volatile organic compounds of human harm.
Disclosure of Invention
In order to solve the problems in the background art, the invention aims to provide indoor air purification equipment which is simple in structure, convenient to replace a filter screen and good in purification effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides indoor air purification equipment, which comprises a shell, wherein the top of the shell is provided with a top cover capable of being opened and closed, one side of the top cover is hinged with the top of the shell, the other side, opposite to the top cover, of the top cover is connected with the top of the shell through a lock catch, a partition plate is transversely arranged in the shell and divides the interior of the shell into a lower purification chamber and an upper purification chamber, a U-shaped filter element is transversely arranged in the lower purification chamber, a catalyst layer is uniformly attached to the outer surface of the U-shaped filter element, an annular lamp tube is wound on the outer surface of the U-shaped filter element, one end, far away from the partition plate, of the U-shaped filter element is fixed on the inner side wall of the lower purification chamber through a transverse baffle, one end, close to the partition plate, of the U, the air intake with transverse baffle is located same one side, just the air intake is located transverse baffle's below, the air exit has been seted up on the division board, the air outlet has been seted up on the top cap, the air exit with the air outlet is inside all to be installed the air exhauster, the setting is provided with filter equipment along vertical direction in the upper portion clean room, filter equipment is located the air exit with between the air outlet, the filter equipment bottom with the division board top contacts, the division board top is provided with and is used for carrying out the fixed block mechanism of block to filter equipment, the filter equipment top upwards extend to with the top cap bottom contacts.
The improvement is that the fixed clamping mechanism comprises a chute, two sliders, two fixed blocks and two clamping plates, the chute is transversely arranged at the top of the separation plate, two ends of the chute are respectively positioned at the left side and the right side of the filtering device, the clamping plates are fixedly arranged at the lower parts of the left side and the right side of the filtering device, the two fixed blocks are respectively in sliding connection with the chute through the sliders and are respectively positioned at the two sides of the filtering device, a first groove for accommodating the clamping plates is arranged on one side of the fixed blocks close to the filtering device, a second groove is arranged at the top of the clamping plates, a lifting cavity is arranged at the upper part of the fixed blocks, a movable rod is arranged in the lifting cavity along the vertical direction, the top of the movable rod upwards passes through the fixed blocks to be connected with the pulling block, and a limiting plate, the bottom of the limiting plate penetrates through the fixing block downwards and extends into the second groove. The first grooves in the fixed block are respectively matched with the clamping plates on the two sides of the filtering device, so that the filtering device is pre-positioned, the pulling block on the top of the fixed block drives the movable rod to move up and down in the lifting cavity, and further drives the limiting plate to move downwards and insert into the second groove on the top of the clamping plate, so that the filtering device is further fixed, or the limiting plate is driven to move upwards and separate from the second groove on the top of the clamping plate, the filtering device is disassembled, and the whole assembling and disassembling operation process is convenient and rapid; in addition, through the cooperation of fixed block, slider and spout, can adjust the distance between two fixed blocks for the fixed block can fix the block to the filter equipment of different size dimensions, and application scope is wider.
The improved lifting device is characterized in that a supporting plate is further arranged between the movable rod and the limiting plate, a spring is sleeved outside the movable rod, one end of the spring is fixedly connected with the top of the lifting cavity, and the other end of the spring is fixedly connected with the top of the supporting plate. Through setting up spring and backup pad for the movable rod drives limiting plate up-and-down motion in-process more steady, and the operation is more laborsaving.
The improved structure is characterized in that the filtering device comprises a fixed frame and a plurality of layers of filtering nets, the filtering nets are detachably arranged in the fixed frame, the filtering nets are arranged in parallel along the air flowing direction in the upper purifying chamber, and the filtering nets are of concave-convex curved surface structures. Through setting up the multilayer filter screen, can carry out abundant purification, dust removal to the air and handle, set up the filter screen into unsmooth curved surface structure, increased the area of contact of filter screen with the air, further guaranteed the abundant purification of air.
The improvement is that the filter screen is provided with the three-layer, is close to the material of the filter screen of air exit department is synthetic fiber filter pulp, is close to the filter screen of air exit department is the HEPA filter screen, and the material that is located the filter screen in the middle of is active carbon filter pulp.
The further improvement lies in that a protective net is arranged at the air inlet, and an air outlet grid is arranged at the air outlet.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the shell is divided into the lower purifying chamber and the upper purifying chamber by the partition plate, the U-shaped filter element is arranged in the lower purifying chamber, the degradation treatment of pollutants in the air, particularly volatile organic compounds, is realized by utilizing the catalyst layer uniformly attached to the outer surface of the U-shaped filter element and the annular lamp tube wound on the outer surface of the U-shaped filter element, and the filtering device arranged in the upper purifying chamber further realizes the filtering and purifying treatment of the air, so that the purifying effect is ensured; the filtering device is detachably connected with the partition plate through the fixed clamping mechanism, the fixed clamping mechanism is arranged, a user can install and take out the filtering device conveniently, the filtering device is applicable to filtering devices with different sizes and dimensions, and the application range is wider.
Drawings
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
Fig. 1 is a schematic view of an internal structure of an indoor air cleaning apparatus according to the present invention;
FIG. 2 is a partial cross-sectional view of the U-shaped cartridge of the present invention;
FIG. 3 is a schematic view of the filter device and the partition plate of the present invention in an assembled state;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a schematic view of the structure of the filter device of the present invention;
FIG. 6 is a schematic view of the top of the divider plate of the present invention;
wherein, the specific reference numbers are: casing 1, top cap 2, hasp 3, division board 4, lower part clean room 5, air intake 6, U type filter core 7, catalyst layer 8, circular lamp tube 9, horizontal baffle 10, vertical baffle 11, air exit 12, upper portion clean room 13, filter equipment 14, fixed frame 15, first filter screen 16, second filter screen 17, third filter screen 18, fixed block mechanism 19, spout 20, slider 21, fixed block 22, first recess 23, lift chamber 24, pulling piece 25, movable rod 26, spring 27, backup pad 28, limiting plate 29, block board 30, second recess 31, air outlet 32, air exhauster 33.
Detailed Description
The embodiment of the invention discloses indoor air purification equipment, as shown in figure 1, the indoor air purification equipment comprises a shell 1, a top cover 2 which can be opened and closed is arranged at the top of the shell 1, one side of the top cover 2 is hinged with the top of the shell 1, the other side, opposite to the top cover 2, is connected with the top of the shell 1 through a lock catch 3, a partition plate 4 is transversely arranged in the shell 1, the inside of the shell 1 is divided into a lower purification chamber 5 and an upper purification chamber 13 by the partition plate 4, a U-shaped filter element 7 is transversely arranged in the lower purification chamber 5, as shown in figure 2, a catalyst layer 8 is uniformly attached to the outer surface of the U-shaped filter element 7, the catalyst layer 8 is prepared from common photocatalyst, an annular lamp tube 9 is wound on the outer surface of the U-shaped filter element 7, one end, far away from the partition plate 4, of the U-shaped filter element 7 is fixed on the inner side, air intake 6 has been seted up on the lateral wall of lower part clean room 5, air intake 6 is located same one side with horizontal baffle 10, and air intake 6 is located the below of horizontal baffle 10, air exit 12 has been seted up on division board 4, air outlet 32 has been seted up on top cap 2, air exit 12 all installs air exhauster 33 with air outlet 32 is inside, air intake 6 department is provided with the protection network, air outlet 32 department is provided with the air-out grid, set up in the upper portion clean room 13 and be provided with filter equipment 14 along vertical direction, filter equipment 14 is located between air exit 12 and the air outlet 32, filter equipment 14 bottom contacts with division board 4 top, division board 4 top is provided with and is used for carrying out the fixed block mechanism 19 of block to filter equipment 14, filter equipment 14 top upwards extends to and contacts with top cap 2. Divide into lower part clean room 5 and upper portion clean room 13 with casing 1 through division board 4, set up U type filter core 7 in the clean room 5 of lower part, utilize the annular fluorescent tube 9 that evenly adnexed catalyst layer 8 and U type filter core 7 surface winding set up on the surface of U type filter core 7, realized carrying out degradation treatment to pollutant in the air especially volatile organic compounds, filter equipment 14 who sets up in upper portion clean room 13, further realized filtering purification treatment to the air, purifying effect has been guaranteed, and filter equipment 14 can dismantle with division board 4 through fixed block mechanism 19 and be connected, through setting up fixed block mechanism 19, the person of facilitating the use installs and takes out filter equipment 14.
Wherein, as shown in fig. 3, 4 and 6, the fixed engaging mechanism 19 includes a sliding slot 20, two sliding blocks 21, two fixing blocks 22 and two engaging plates 30, the top of the partition plate 4 is transversely provided with the sliding slot 20, two ends of the sliding slot 20 are respectively located at the left and right sides of the filtering device 14, the lower portions of the left and right sides of the filtering device 14 are respectively fixedly provided with the engaging plates 30, the two fixing blocks 22 are respectively connected with the sliding slot 20 by the sliding blocks 21 in a sliding manner, the two fixing blocks 22 are respectively located at two sides of the filtering device 14, one side of the fixing block 22 close to the filtering device 14 is provided with a first groove 23 for accommodating the engaging plate 30, the top of the engaging plate 30 is provided with a second groove 31, the upper portion of the fixing block 22 is provided with a lifting cavity 24, a movable rod 26 is vertically arranged in the lifting cavity 24, the top of the movable, the bottom of the limit plate 29 passes through the fixing block 22 downwards and extends into the second groove 31. The first grooves 23 on the fixed block 22 are respectively matched with the clamping plates 30 on two sides of the filtering device 14, so that the filtering device 14 is pre-positioned, the pull block 25 on the top of the fixed block 22 drives the movable rod 26 to move up and down in the lifting cavity 24, and further drives the limiting plate 29 to move downwards and insert into the second groove 31 on the top of the clamping plate 30, so that the filtering device 14 is further fixed, or the limiting plate 29 is driven to move upwards and separate from the second groove 31 on the top of the clamping plate 30, the filtering device 14 is disassembled, and the whole assembling and disassembling operation process is convenient and rapid; in addition, through the cooperation of fixed block 22, slider 21 and spout 20, can adjust the distance between two fixed blocks 22 for fixed block 22 can carry out fixed block to the filter equipment 14 of different size dimensions, and application scope is wider. Wherein, still be provided with backup pad 28 between movable rod 26 and the limiting plate 29, the movable rod 26 outside sets up the cover and is equipped with spring 27, spring 27 one end and lift intracavity 24 interior top fixed connection, spring 27 other end and backup pad 28 top fixed connection. Through the arrangement of the spring 27 and the supporting plate 28, the movable rod 26 drives the limiting plate 29 to move up and down more stably, and the operation process is more labor-saving.
As shown in fig. 5, the filtering device 14 includes a fixing frame 15 and a plurality of layers of filtering nets detachably disposed in the fixing frame 15, the plurality of layers of filtering nets are disposed in parallel along the air flowing direction in the upper clean room 13, and preferably, the filtering nets have a concave-convex curved surface structure. Through setting up the multilayer filter screen, can carry out abundant purification, dust removal to the air and handle, set up the filter screen into unsmooth curved surface structure, increased the area of contact of filter screen with the air, further guaranteed the abundant purification of air. Wherein, the filter screen is provided with the three-layer, is first filter screen 16, second filter screen 17 and third filter screen 18 respectively, and the material of first filter screen 16 that is close to air exit 12 department is synthetic fiber filter pulp, and the third filter screen 18 that is close to air outlet 32 department is the HEPA filter screen, and the material that is located middle second filter screen 17 is active carbon filter pulp.
The working principle is as follows: during the use, open air exhauster 33 of air exit 12 and air outlet 32 department, the air inhales to lower part clean room 5 in the casing 1 from air intake 6, the annular tube 9 that sets up through even adnexed catalyst layer 8 and the winding of U type filter core 7 surface on the 7 surfaces of U type filter core carries out degradation treatment to the pollutant in the air, the air after degradation treatment enters into upper clean room 13 by air exit 12, pass through the filtration of multilayer filter screen in filter equipment 14 again, further realized carrying out filtration purification treatment to the air, purifying effect has been guaranteed.
When the equipment runs for a period of time and the filter screen in the filter device 14 needs to be replaced, the equipment is closed, the top cover 2 is opened through the lock catch 3, the pulling block 25 on one fixed block 22 is pulled upwards, the movable rod 26 drives the limiting plate 29 to move upwards, the limiting plate 29 is separated from the second groove 31 at the top of the clamping plate 30, the fixed block 22 moves towards one side away from the filter device 14 through the sliding chute 20 through the sliding block 21 until the clamping plate 30 on one side of the filter device 14 is separated from the first groove 23 on the fixed block 22, then the pulling block 25 is put down, the other side of the filter device 14 repeats the above operations, the filter device 14 can be disassembled, the filter device 14 is taken out of the box body, the filter screen in the filter device is replaced, the filter device 14 is put between the two fixed blocks 22 at the bottom of the partition plate 4 after the replacement is finished, the two fixed blocks 22 move to the two sides of the filter device 14 through, then upwards stimulate the pulling piece 25 on one of them fixed block 22, the movable rod 26 drives limiting plate 29 upward movement, insert the block board 30 of filter equipment 14 one side to the first recess 23 on the fixed block 22 in, then put down the pulling piece 25, under the effect of spring 27 elasticity, the movable rod 26 drives limiting plate 29 downward movement, until the limiting plate 29 inserts to the second recess 31 at block board 30 top in, realized fixing filter equipment 14 one side, repeat above-mentioned operation, can realize fixing filter equipment 14 opposite side, then close top cap 2, carry out spacing fixed to filter equipment 14's top, can accomplish filter equipment 14's installation.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (6)
1. An indoor air purification device is characterized by comprising a shell, wherein a top cover capable of being opened and closed is arranged at the top of the shell, one side of the top cover is hinged with the top of the shell, the other side of the top cover opposite to the top cover is connected with the top of the shell through a lock catch, a partition plate is transversely arranged in the shell and divides the interior of the shell into a lower purification chamber and an upper purification chamber, a U-shaped filter element is transversely arranged in the lower purification chamber, a catalyst layer is uniformly attached to the outer surface of the U-shaped filter element, an annular lamp tube is wound on the outer surface of the U-shaped filter element, one end, far away from the partition plate, of the U-shaped filter element is fixed on the inner side wall of the lower purification chamber through a transverse baffle, one end, close to the partition plate, of the U-shaped filter element, the air intake with transverse baffle is located same one side, just the air intake is located transverse baffle's below, the air exit has been seted up on the division board, the air outlet has been seted up on the top cap, the air exit with the air outlet is inside all to be installed the air exhauster, the setting is provided with filter equipment along vertical direction in the upper portion clean room, filter equipment is located the air exit with between the air outlet, the filter equipment bottom with the division board top contacts, the division board top is provided with and is used for carrying out the fixed block mechanism of block to filter equipment, the filter equipment top upwards extend to with the top cap bottom contacts.
2. The indoor air purification device according to claim 1, wherein the fixed clamping mechanism comprises a sliding groove, two sliding blocks, two fixed blocks and two clamping plates, the sliding groove is transversely formed at the top of the separation plate, two ends of the sliding groove are respectively located at the left side and the right side of the filter device, the clamping plates are fixedly arranged at the lower parts of the left side and the right side of the filter device, the two fixed blocks are respectively connected with the sliding groove in a sliding manner through the sliding blocks, the two fixed blocks are respectively located at the two sides of the filter device, a first groove for accommodating the clamping plates is formed at one side of the fixed blocks close to the filter device, a second groove is formed at the top of the clamping plates, a lifting cavity is formed at the upper part of the fixed blocks, a movable rod is arranged in the lifting cavity along the vertical direction, and the top of the movable, and the bottom of the limiting plate penetrates through the fixed block downwards and extends to the inside of the second groove.
3. The indoor air purification device according to claim 2, wherein a support plate is further arranged between the movable rod and the limiting plate, a spring is sleeved outside the movable rod, one end of the spring is fixedly connected with the top of the lifting cavity, and the other end of the spring is fixedly connected with the top of the support plate.
4. The indoor air purification device according to claim 3, wherein the filter device comprises a fixed frame and a plurality of layers of filter screens detachably arranged in the fixed frame, the plurality of layers of filter screens are arranged in parallel along the flow direction of the upper purified indoor air, and the filter screens are in a concave-convex curved surface structure.
5. The indoor air purifying apparatus according to claim 4, wherein the filter screens are provided with three layers, the material of the filter screen near the air outlet is synthetic fiber filter cotton, the material of the filter screen near the air outlet is HEPA filter screen, and the material of the filter screen in the middle is active carbon filter cotton.
6. The indoor air purifying apparatus of claim 1, wherein a protective net is provided at the air inlet, and an air outlet grill is provided at the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310876.5A CN113007837A (en) | 2019-12-18 | 2019-12-18 | Indoor air purification equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310876.5A CN113007837A (en) | 2019-12-18 | 2019-12-18 | Indoor air purification equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113007837A true CN113007837A (en) | 2021-06-22 |
Family
ID=76381162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911310876.5A Pending CN113007837A (en) | 2019-12-18 | 2019-12-18 | Indoor air purification equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113007837A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090047572A (en) * | 2007-11-08 | 2009-05-13 | 삼성전자주식회사 | Air-conditioner |
| US20120204523A1 (en) * | 2011-02-16 | 2012-08-16 | Woolard Keith G | Filter holding frame with adjustable clamping mechanism and slot for pre-filter |
| CN107355859A (en) * | 2017-07-20 | 2017-11-17 | 成都恒力达科技有限公司 | A kind of air purifier |
| CN206973706U (en) * | 2017-04-25 | 2018-02-06 | 杭州富申环保科技有限公司 | A kind of wall-mounted air purification device |
| CN208139453U (en) * | 2018-05-02 | 2018-11-23 | 韦晓娟 | A kind of air purifier being conveniently replaceable filter core |
| CN208493614U (en) * | 2018-04-28 | 2019-02-15 | 南京维申环保科技有限公司 | A kind of hundred grades of clean benches |
| CN208611995U (en) * | 2018-05-15 | 2019-03-19 | 河南广风净化设备有限公司 | A kind of novel air filtering and purifying |
| CN209475850U (en) * | 2018-12-03 | 2019-10-11 | 北京晶海科技有限公司 | A kind of air-conditioning, its filter device and filter fixing structure |
| CN209575953U (en) * | 2018-09-18 | 2019-11-05 | 镇江润泓新材料科技有限公司 | A kind of filter being convenient for changing filter core |
| CN211551869U (en) * | 2019-11-05 | 2020-09-22 | 成都无疆领域文化传播有限公司 | Indoor air purifier |
-
2019
- 2019-12-18 CN CN201911310876.5A patent/CN113007837A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090047572A (en) * | 2007-11-08 | 2009-05-13 | 삼성전자주식회사 | Air-conditioner |
| US20120204523A1 (en) * | 2011-02-16 | 2012-08-16 | Woolard Keith G | Filter holding frame with adjustable clamping mechanism and slot for pre-filter |
| CN206973706U (en) * | 2017-04-25 | 2018-02-06 | 杭州富申环保科技有限公司 | A kind of wall-mounted air purification device |
| CN107355859A (en) * | 2017-07-20 | 2017-11-17 | 成都恒力达科技有限公司 | A kind of air purifier |
| CN208493614U (en) * | 2018-04-28 | 2019-02-15 | 南京维申环保科技有限公司 | A kind of hundred grades of clean benches |
| CN208139453U (en) * | 2018-05-02 | 2018-11-23 | 韦晓娟 | A kind of air purifier being conveniently replaceable filter core |
| CN208611995U (en) * | 2018-05-15 | 2019-03-19 | 河南广风净化设备有限公司 | A kind of novel air filtering and purifying |
| CN209575953U (en) * | 2018-09-18 | 2019-11-05 | 镇江润泓新材料科技有限公司 | A kind of filter being convenient for changing filter core |
| CN209475850U (en) * | 2018-12-03 | 2019-10-11 | 北京晶海科技有限公司 | A kind of air-conditioning, its filter device and filter fixing structure |
| CN211551869U (en) * | 2019-11-05 | 2020-09-22 | 成都无疆领域文化传播有限公司 | Indoor air purifier |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210622 |
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| RJ01 | Rejection of invention patent application after publication |