CN214120269U - Bypass structure of bidirectional flow fresh air fan heat exchanger - Google Patents
Bypass structure of bidirectional flow fresh air fan heat exchanger Download PDFInfo
- Publication number
- CN214120269U CN214120269U CN202022480357.8U CN202022480357U CN214120269U CN 214120269 U CN214120269 U CN 214120269U CN 202022480357 U CN202022480357 U CN 202022480357U CN 214120269 U CN214120269 U CN 214120269U
- Authority
- CN
- China
- Prior art keywords
- inner core
- plate
- fixed connection
- heat exchanger
- riveting
- 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.)
- Expired - Fee Related
Links
- 230000002457 bidirectional effect Effects 0.000 title claims description 17
- 238000010276 construction Methods 0.000 claims abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a two-way flow new fan heat exchanger's bypass structure, including apron, inner core unit, bottom plate, 2 blast gate units, 4 support columns and 4 bight fixed plates, inner core unit top fixed connection to apron, bottom fixed connection to bottom plate, blast gate unit of wind gap difference fixed mounting of inner core unit both sides, support column of inner core unit four corners difference fixed connection, bight fixed plate of the equal fixed connection in every support column outside, support column, bight fixed plate form cuboid frame construction, the equal fixed connection apron in every cuboid frame construction top, the equal fixed connection bottom plate in bottom. A new fan heat exchanger's of two-way flow bypass structure simple structure, reasonable in design can realize indoor outer quick ventilation, is the totally detached two parts with heat exchanger moreover, changes heat exchanger and does not influence this bypass structure completely, labour saving and time saving, economical and practical easily promotes.
Description
Technical Field
The utility model belongs to the technical field of the bypass structure, especially, relate to a new fan heat exchanger's of two-way flow bypass structure.
Background
The bidirectional flow fresh air machine is fresh air equipment with two air paths of 'outdoor fresh air is sent to the indoor' and 'indoor return air is discharged to the outdoor', and because of the temperature difference between the outdoor and the indoor, the equipment is generally provided with a heat exchanger to realize energy recovery between the fresh air and the exhaust air. Most of the heat exchangers of the bidirectional flow fresh air fan in the existing market do not have a bypass structure, and part of the heat exchangers have the bypass structure (the bypass structure and the heat exchangers are integrated), so that the structural form is complex, the heat exchangers need to be replaced together, the manufacturing cost is high, in addition, under special working conditions, such as summer night, the outside air temperature is lower than that in a room, and heat recovery is not needed, so that unnecessary waste can be caused.
Disclosure of Invention
In view of this, the present invention is directed to a bypass structure of a bi-directional flow heat exchanger of a new fan, so as to overcome the disadvantages of the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a new fan heat exchanger's of two-way flow bypass structure, includes apron, inner core unit, bottom plate, 2 blast gate units, 4 support columns and 4 bight fixed plates, inner core unit top fixed connection to apron, bottom fixed connection to bottom plate, blast gate unit of air port difference fixed mounting of inner core unit both sides, support column of inner core unit four corners difference fixed connection, bight fixed plate of the equal fixed connection in every support column outside, support column, bight fixed plate form cuboid frame construction, the equal fixed connection in every cuboid frame construction top apron, the equal fixed connection bottom plate in bottom.
Further, the inner core unit includes the inner core body and 2 inner core fixed plates of integrated into one piece structure, the inner core body is U type structure, inner core body bottom is equipped with a riveting board No. two, inner core body bottom is through a riveting board fixed connection to bottom plate, and the two forms air outlet channel structure, air valve unit of air outlet channel structure one end fixed mounting, inner core body top both sides set firmly an inner core fixed plate respectively, the equal fixed connection in top of every inner core fixed plate is to the apron, the inner core body, apron and 2 inner core fixed plate three form air intake channel structure, air valve unit of one end fixed mounting of air intake channel structure.
Further, the inner core fixed plate is of a rectangular structure, the top of the inner core fixed plate is fixedly provided with a second riveting plate, the left side and the right side of the inner core fixed plate are respectively fixedly provided with a third riveting plate, the top of the inner core fixed plate is fixedly connected to the cover plate through the second riveting plate, and the two sides of the inner core fixed plate are respectively fixedly connected to the air valve unit through the third riveting plate.
Further, the support column includes backup pad and No. two backup pads, a backup pad and No. two backup pad structures are the same, the two is L type structure, a backup pad one end is equipped with the riveting board No. four, the other end is equipped with the riveting board No. five, a backup pad one end is through No. four riveting board fixed connection to apron, a backup pad other end is through No. five riveting board fixed connection to bottom plate, one side fixed connection of a backup pad is to one side of a bight fixed plate, the opposite side fixed connection of a backup pad is to one side of No. two backup pads, and the two is the echelonment and arranges, the opposite side fixed connection of No. two backup pads has the opposite side of a bight fixed plate.
Further, the bight fixed plate includes fixed plate body and 2 bight mountings, and the fixed plate body is L type structure, and fixed plate body inside both sides are fixed connection respectively to a backup pad and No. two backup pads, and the one end of fixed plate body sets firmly 2 bight mountings, and the fixed plate body passes through bight mounting fixed connection to outside two-way flow new fan heat exchanger.
Further, the air valve unit comprises an air valve shell, a first connecting rod, a second connecting rod, an air valve driver, a first blade and a second blade, wherein the air valve shell is of a rectangular frame structure, the upper side and the lower side of the four sides of the air valve shell are respectively provided with a six-number riveting plate, the air valve shell is fixedly connected to the inner core body through the six-number riveting plate and the corner fixing plate in sequence, two ends of the air valve shell are respectively provided with a plurality of through holes, the inner part of the air valve shell is respectively and rotatably connected with the first blade and the second blade, a first rotating shaft is arranged in the first blade and is fixedly connected to the air valve driver through the through holes, one ends of the first blade and the second blade are respectively and fixedly connected to two ends of the first connecting rod through the through holes, the other ends of the first blade and the second blade are respectively and fixedly connected to two ends of the second connecting rod through the through holes, and the first connecting rod and the second connecting rod are of an S-shaped structure, the first connecting rod and the second connecting rod are arranged in parallel, and the model of the air valve driver is NR 24A-SR.
Compared with the prior art, a new fan heat exchanger's of two-way flow bypass structure have following advantage:
(1) a new fan heat exchanger's of two-way flow bypass structure, simple structure, reasonable in design under the special operating mode that does not need heat recovery, can realize indoor outer quick ventilation, be totally detached two parts with heat exchanger moreover, change heat exchanger and do not influence this bypass structure completely, labour saving and time saving, economical and practical easily promotes.
(2) A bypass structure of new fan heat exchanger of two-way flow, structural style is simple, adopts the panel beating riveting form, does not have the welding point, and the structure equipment is convenient, installs the blast gate unit of airtight electric control blast gate in the bypass wind gap moreover, can adjust the size of the bypass amount of wind wantonly, has improved the practicality of this bypass structure.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a front schematic view of an overall structure of a bypass structure of a bidirectional flow new fan heat exchanger according to an embodiment of the present invention;
fig. 2 is a schematic back view of an overall structure of a bypass structure of a bidirectional flow new fan heat exchanger according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of an overall structure of a bypass structure of a bidirectional flow new fan heat exchanger according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an inner core body of a bypass structure of a bidirectional flow new fan heat exchanger according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a support column of a bypass structure of a bidirectional flow new fan heat exchanger according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a corner fixing plate of a bypass structure of a bidirectional flow new fan heat exchanger according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a bypass structure air valve unit of a bidirectional flow new fan heat exchanger according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a first blade of a bypass structure of a bidirectional flow new fan heat exchanger according to an embodiment of the present invention.
Description of reference numerals:
1-cover plate; 2-an inner core unit; 21-inner core body; 211-riveting plate I; 22-inner core fixing plate; 221-riveting plate II; 222-riveting plate III; 3-a support column; 31-support plate number one; 32-support plate number two; 4-a bottom plate; 5-corner fixing plate; 51-a fixed plate body; 52-corner fasteners; 6-a blast gate unit; 61-blast gate housing; 62-leaf number one; 621-first rotating shaft; 63-connecting rod No. one; 64-connecting rod II; 65-air valve actuator; 66-blade number two.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 8, a bypass structure of a bidirectional flow new fan heat exchanger comprises a cover plate 1, an inner core unit 2, a bottom plate 4, 2 air valve units 6, 4 supporting columns 3 and 4 corner fixing plates 5, wherein the top of the inner core unit 2 is fixedly connected to the cover plate 1, the bottom of the inner core unit 2 is fixedly connected to the bottom plate 4, air ports at two sides of the inner core unit 2 are respectively and fixedly provided with one air valve unit 6, four corners of the inner core unit 2 are respectively and fixedly connected with one supporting column 3, the outer side of each supporting column 3 is fixedly connected with one corner fixing plate 5, the supporting columns 3 and the corner fixing plates 5 form a rectangular frame structure, the top of each rectangular frame structure is fixedly connected with the cover plate 1, the bottom of each rectangular frame structure is fixedly connected with the bottom plate 4, the structure is simple, the design is reasonable, and indoor and outdoor quick ventilation can be realized under a special working condition without heat recovery, the bypass structure has the advantages that the structure is simple, a metal plate riveting form is adopted, no welding point exists, the structure is convenient to assemble, the bypass structure and the heat exchanger are completely separated, and the bypass structure is not influenced when the heat exchanger is replaced; and a closed electric adjusting air valve driver is arranged on the bypass air port, so that the bypass air quantity can be adjusted at will.
The inner core unit 2 comprises an inner core body 21 and 2 inner core fixing plates 22 which are integrally formed, the inner core body 21 is of a U-shaped structure, two first riveting plates 211 are arranged at the bottom of the inner core body 21, the bottom of the inner core body 21 is fixedly connected to the bottom plate 4 through the first riveting plates 211, and the two form an air outlet channel structure, one end of the air outlet channel structure is fixedly provided with an air valve unit 6, two sides of the top of the inner core body 21 are respectively and fixedly provided with an inner core fixing plate 22, the top of each inner core fixing plate 22 is fixedly connected to the cover plate 1, the inner core body 21, the cover plate 1 and 2 inner core fixing plates 22 form an air inlet channel structure, one end of the air inlet channel structure is fixedly provided with the air valve unit 6, in practical use, the heat exchanger of the bidirectional flow fresh air fan can realize indoor and outdoor quick ventilation through the air inlet channel structure and the air outlet channel structure of the inner core unit 2.
The inner core fixing plate 22 is of a rectangular structure, the top of the inner core fixing plate 22 is fixedly provided with a second riveting plate 221, the left side and the right side of the inner core fixing plate 22 are respectively fixedly provided with a third riveting plate 222, the top of the inner core fixing plate 22 is fixedly connected to the cover plate 1 through the second riveting plate 221, and the two sides of the inner core fixing plate 22 are respectively fixedly connected to the air valve unit 6 through the third riveting plate 222.
The corner fixing plate 5 comprises a fixing plate body 51 and 2 corner fixing pieces 52, the fixing plate body 51 is of an L-shaped structure, two sides inside the fixing plate body 51 are fixedly connected to a first supporting plate 31 and a second supporting plate 32 respectively, 2 corner fixing pieces 52 are fixedly arranged at one end of the fixing plate body 51, the fixing plate body 51 is fixedly connected to an external bidirectional flow fresh air fan heat exchanger through the corner fixing pieces 52, the corner fixing plate 5 not only can play a role in fixing and supporting the whole structure, but also can guarantee the sealing performance of a bypass structure, and the influence on the size of bypass air volume is avoided.
The air valve unit 6 comprises an air valve shell 61, a first connecting rod 63, a second connecting rod 64, an air valve driver 65, a first blade 62 and a second blade 66, the air valve shell 61 is of a rectangular frame structure, the upper side and the lower side of the four sides of the air valve shell 61 are respectively provided with a sixth riveting plate, the air valve shell 61 is fixedly connected to the inner core body 21 through the sixth riveting plate and the corner fixing plate 5 in sequence, a plurality of through holes are respectively formed in the two ends of the air valve shell 61, the first blade 62 and the second blade 66 are respectively rotatably connected in the air valve shell 61, a first rotating shaft 621 is arranged in the first blade 62, the first rotating shaft 621 is fixedly connected to the air valve driver 65 through the through holes, one ends of the first blade 62 and the second blade 66 are respectively fixedly connected to the two ends of the first connecting rod 63 through the through holes, the other ends of the first blade 62 and the second blade 66 are respectively fixedly connected to the two ends of the second connecting rod 64 through the through holes, the first connecting rod 63 and the second connecting rod 64 are both S-shaped structures, the first connecting rod 63 and the second connecting rod 64 are arranged in parallel, the model of the air valve driver 65 is NR24A-SR, when the air valve driver is actually used, a stepping motor is arranged in the air valve driver 65, an output shaft of the stepping motor is fixedly connected to the first rotating shaft 621, the rotating angle range of the stepping motor is 0-90 degrees, and therefore the output shaft of the stepping motor cannot be blocked by the air valve shell 61 when the stepping motor rotates.
The working principle of a bypass structure of a bidirectional flow fresh air fan heat exchanger is as follows:
during in-service use (taking air intake passage structure's blast gate unit 6 as an example), staff's manual start blast gate driver 65, the output shaft clockwise rotation of step motor 65 in blast gate driver 65 drives rotation axis 621 clockwise (under the operating condition, the staff can be according to actual demand condition decision step motor 65 clockwise or anticlockwise, the turned angle scope is 0 to 90 °), rotation axis 621 clockwise rotates and drives blade 62 clockwise, blade 62 clockwise rotates and drives connecting rod 63, No. two synchronous clockwise rotations of connecting rod 64, connecting rod 63 clockwise rotates and drives No. two anticlockwise rotations of blade 66, thereby the amount of wind size of adjustment air intake passage structure.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a bypass structure of new fan heat exchanger of two-way flow which characterized in that: including apron (1), inner core unit (2), bottom plate (4), 2 blast gate units (6), 4 support columns (3) and 4 bight fixed plate (5), inner core unit (2) top fixed connection is to apron (1), bottom fixed connection is to bottom plate (4), blast gate unit (6) of wind gap difference fixed mounting of inner core unit (2) both sides, support column (3) of inner core unit (2) four corners fixed connection respectively, equal fixed connection bight fixed plate (5) in every support column (3) outside, support column (3), bight fixed plate (5) form cuboid frame construction, the equal fixed connection apron in every cuboid frame construction top (1), the equal fixed connection bottom plate (4) in bottom.
2. The bypass structure of a bi-directional flow new fan heat exchanger as claimed in claim 1, wherein: inner core unit (2) inner core body (21) and 2 inner core fixed plate (22) including the integrated into one piece structure, inner core body (21) are U type structure, inner core body (21) bottom is equipped with riveting board (211) No. two, inner core body (21) bottom is through riveting board (211) fixed connection to bottom plate (4) No. one, and the two forms air outlet channel structure, blast gate unit (6) of air outlet channel structure one end fixed mounting, inner core body (21) top both sides set firmly one inner core fixed plate (22) respectively, the equal fixed connection in top of every inner core fixed plate (22) is apron (1), inner core body (21), apron (1) and 2 inner core fixed plate (22) three form air intake channel structure, blast gate unit (6) of one end fixed mounting of air intake channel structure.
3. The bypass structure of a bi-directional flow new fan heat exchanger as claimed in claim 2, wherein: the inner core fixing plate (22) is of a rectangular structure, the top of the inner core fixing plate (22) is fixedly provided with a second riveting plate (221), the left side and the right side of the inner core fixing plate are respectively fixedly provided with a third riveting plate (222), the top of the inner core fixing plate (22) is fixedly connected to the cover plate (1) through the second riveting plate (221), and the two sides of the inner core fixing plate (22) are respectively fixedly connected to the air valve unit (6) through the third riveting plate (222).
4. The bypass structure of a bi-directional flow new fan heat exchanger as claimed in claim 1, wherein: support column (3) are including backup pad (31) and No. two backup pads (32), backup pad (31) and No. two backup pads (32) structure is the same, the two is L type structure, backup pad (31) one end is equipped with No. four riveting plates, the other end is equipped with No. five riveting plates, backup pad (31) one end is through No. four riveting plate fixed connection to apron (1), backup pad (31) other end is through No. five riveting plate fixed connection to bottom plate (4), one side fixed connection of backup pad (31) is to one side of a bight fixed plate (5), the opposite side fixed connection of backup pad (31) is to one side of No. two backup pad (32), and the two is the echelonment and arranges, the opposite side fixed connection of No. two backup pad (32) has the opposite side of a bight fixed plate (5).
5. The bypass structure of a bi-directional flow new fan heat exchanger as claimed in claim 4, wherein: the corner fixing plate (5) comprises a fixing plate body (51) and 2 corner fixing pieces (52), the fixing plate body (51) is of an L-shaped structure, two sides of the inside of the fixing plate body (51) are fixedly connected to a first supporting plate (31) and a second supporting plate (32) respectively, 2 corner fixing pieces (52) are fixedly arranged at one end of the fixing plate body (51), and the fixing plate body (51) is fixedly connected to an external bidirectional flow fresh air fan heat exchanger through the corner fixing pieces (52).
6. The bypass structure of a bi-directional flow new fan heat exchanger as claimed in claim 1, wherein: the air valve unit (6) comprises an air valve shell (61), a first connecting rod (63), a second connecting rod (64), an air valve driver (65), a first blade (62) and a second blade (66), wherein the air valve shell (61) is of a rectangular frame structure, the upper side and the lower side of the four sides of the air valve shell (61) are respectively provided with a six-riveting plate, the air valve shell (61) is fixedly connected to the inner core body (21) sequentially through the six-riveting plate and the corner fixing plate (5), two ends of the air valve shell (61) are respectively provided with a plurality of through holes, the first blade (62) and the second blade (66) are respectively rotatably connected in the air valve shell (61), a first rotating shaft (621) is arranged in the first blade (62), the first rotating shaft (621) is fixedly connected to the air valve driver (65) through the through holes, one end of the first blade (62) and one end of the second blade (66) are respectively fixedly connected to two ends of the first connecting rod (63) through the through holes, the other ends of the first blade (62) and the second blade (66) are fixedly connected to two ends of a second connecting rod (64) through holes respectively, the first connecting rod (63) and the second connecting rod (64) are S-shaped structures, the first connecting rod (63) and the second connecting rod (64) are arranged in parallel, and the air valve driver (65) is NR 24A-SR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022480357.8U CN214120269U (en) | 2020-10-30 | 2020-10-30 | Bypass structure of bidirectional flow fresh air fan heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022480357.8U CN214120269U (en) | 2020-10-30 | 2020-10-30 | Bypass structure of bidirectional flow fresh air fan heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214120269U true CN214120269U (en) | 2021-09-03 |
Family
ID=77501390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022480357.8U Expired - Fee Related CN214120269U (en) | 2020-10-30 | 2020-10-30 | Bypass structure of bidirectional flow fresh air fan heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214120269U (en) |
-
2020
- 2020-10-30 CN CN202022480357.8U patent/CN214120269U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213577794U (en) | Air conditioner | |
| WO2021159934A1 (en) | Total heat ventilation machine | |
| CN216667913U (en) | New trend all-in-one | |
| WO2021159932A1 (en) | Full-heat ventilation fan having double-layer air duct | |
| CN214120269U (en) | Bypass structure of bidirectional flow fresh air fan heat exchanger | |
| CN219640395U (en) | New fan and new trend equipment | |
| CN112420333A (en) | Non-fan type balanced cooling air-cooled transformer | |
| CN209459060U (en) | Wall penetrating machine | |
| CN217235871U (en) | Tent air conditioner | |
| CN201195080Y (en) | Novel filter screen and air conditioner with same | |
| CN216282146U (en) | Air source heat pump unit for air conditioner | |
| CN106949586B (en) | Anhydrous humidification device and air conditioner | |
| CN211903077U (en) | Indoor unit and air conditioner | |
| CN211551805U (en) | Cross-flow fan, air conditioner indoor unit and air conditioner | |
| CN114034135A (en) | Ultralow-temperature air energy heat pump unit | |
| CN212253053U (en) | Full heat exchanger | |
| KR101217114B1 (en) | Slim Type Air Handling Unit | |
| CN207741232U (en) | Air-conditioner outdoor unit and air-conditioning | |
| CN219494376U (en) | Mounting structure of sensible heat exchanger and variable frequency dehumidifier | |
| CN217274484U (en) | Air conditioner all-in-one machine | |
| CN213480398U (en) | Cabinet type direct-blowing fresh air machine | |
| CN213019899U (en) | Indoor unit of air conditioner | |
| CN216667894U (en) | New fan convenient to renew cartridge more | |
| CN217274530U (en) | Rotation type tent air conditioner wind gap grid structure | |
| CN219656227U (en) | Ultra-low energy consumption total heat exchange fresh air purification system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210903 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |