CN110566499B - Arc diagonal flow impeller - Google Patents
Arc diagonal flow impeller Download PDFInfo
- Publication number
- CN110566499B CN110566499B CN201910877891.1A CN201910877891A CN110566499B CN 110566499 B CN110566499 B CN 110566499B CN 201910877891 A CN201910877891 A CN 201910877891A CN 110566499 B CN110566499 B CN 110566499B
- Authority
- CN
- China
- Prior art keywords
- intersection point
- edge
- point
- hub
- ratio
- 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.)
- Active
Links
- 230000007704 transition Effects 0.000 claims description 4
- 230000006872 improvement Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 102000005765 Proto-Oncogene Proteins c-akt Human genes 0.000 description 1
- 108010045717 Proto-Oncogene Proteins c-akt Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides an arc diagonal flow impeller, includes the wheel hub that becomes the round platform body, use on the side of wheel hub the axis of wheel hub is the axis annular array has a plurality of blade, the blade is the lamellar body that the wall thickness is even, and the positive and negative sides of blade are malleation face and negative pressure face respectively, the malleation face is located be close to one side of the great bottom surface of wheel hub upper diameter, the edge of malleation face is including the root limit, preceding limit, topside and the back that connect gradually, the root limit with wheel hub's side links to each other, the back is located and is close to one side of the great bottom surface of wheel hub upper diameter. According to the comparison of experimental results, the invention can obviously improve the efficiency of the fan.
Description
Technical Field
The invention relates to the field of fans, in particular to an arc-shaped diagonal flow impeller.
Background
The diagonal flow fan is widely applied to various places needing ventilation such as markets and factories, the diagonal flow fan generates air flow by virtue of the impeller, the impeller of the diagonal flow fan enables air to do centrifugal motion and axial motion, and the shape of the impeller plays a key role in pressure and flow generated by the fan, so that the study on the shape of the impeller of the diagonal flow fan is very important. The existing diagonal flow impeller adopts single circular plate ladder-shaped blades, the generated wind flow is small, the fan efficiency is low, the use cost of a user is increased, and the shape of the diagonal flow impeller also needs more deep research and exploration to achieve a better effect.
Summary of the invention
The technical problems to be solved by the invention are as follows: the arc-shaped diagonal flow impeller can improve the efficiency of a fan.
The invention creates a solution to solve the technical problems that:
the arc-shaped diagonal flow impeller comprises a boss which is in a circular truncated cone shape, wherein the diameter of the bottom surface with a larger diameter on the boss is d, the height of the boss is L, and the included angle between a bus of the boss and the axis of the boss is a1; the side of the hub is provided with a plurality of blades in an annular array by taking the central axis of the hub as an axis, the blades are sheet bodies with uniform wall thickness, the positive surface and the negative surface of each blade are respectively positive pressure surfaces and negative pressure surfaces, the positive pressure surfaces are arranged on one side close to the bottom surface with larger diameter on the hub, the edges of the positive pressure surfaces comprise root edges, front edges, top edges and rear edges which are sequentially connected, the root edges are connected with the side of the hub, and the rear edges are arranged on one side close to the bottom surface with larger diameter on the hub; the positive pressure surface is a part of a cylindrical surface with the inner diameter of R, a forming axis is arranged on the positive pressure surface, and the forming axis is overlapped with a cylindrical generatrix of the cylindrical surface; the plane formed by the motion trail of the top edge is She Dingmian, the generatrix of the She Dingmian is a straight line, the diameter of the round edge on the top surface of the leaf, which is close to the rear edge, is D2, and the diameter of the round edge on the top surface of the leaf, which is close to the front edge, is D1, and D2 is larger than D1; the blade is provided with a first reference surface, the central axis of the hub is in the first reference surface, the intersection point of the first reference surface and the root edge is called a reference initial point, and the intersection point of the first reference surface and the top edge is called a reference terminal point;
the blade is in a flat state: connecting the reference initial point and the reference end point to form a reference line, wherein a demarcation point is arranged on the reference line, the reference line and the forming axis intersect on the demarcation point, and the rotation angle from the reference line to the clockwise direction of the forming axis is a2 with the demarcation point as a vertex, wherein a2 is smaller than 90 degrees; the intersection point of the root edge and the rear edge is called a first intersection point, the intersection point of the rear edge and the top edge is called a second intersection point, the intersection point of the top edge and the front edge is called a third intersection point, the intersection point of the front edge and the root edge is called a fourth intersection point, the distance from the demarcation point to the reference starting point is H, the distance from the reference starting point to the fourth intersection point is F, the distance from the fourth intersection point to the first intersection point is A, the distance from the third intersection point to the fourth intersection point is B, the distance from the third intersection point to the reference end point is G, the distance from the third intersection point to the second intersection point is C, and the distance from the second intersection point to the first intersection point is E.
As a further improvement of the above scheme, the top edge is in arc transition connection with the front edge, and the top edge is in arc transition connection with the rear edge.
As a further improvement of the above scheme, the ratio of a to C is 1: (0.95-1.05).
As a further improvement of the scheme, the ratio of D2 to D1 is (138-142): (128-132), and the ratio of D to D2 is 0.58-0.64.
As a further improvement of the scheme, the angle range of a2 is 33-43 degrees.
As a further improvement of the above scheme, D2: a: b: e has a ratio of (138-142): (31-51): (28-48): (23-43), the ratio of D2 to H is (138-142): (9-15).
As a further improvement of the scheme, the ratio of F to A is 0.32-0.36, and the ratio of G to C is 0.52-0.56.
As a further improvement of the scheme, the ratio of D2 to R is (138-142): (44-64).
As a further improvement of the scheme, the angle range of a1 is 25-35 degrees.
As a further improvement of the scheme, the ratio of D2 to L is (138-142): (18-38).
The beneficial effects of the invention are: the utility model provides an arc diagonal flow impeller, includes the wheel hub that becomes the round platform body, use on the side of wheel hub the axis of wheel hub is the axis annular array has a plurality of blade, the blade is the lamellar body that the wall thickness is even, and the positive and negative sides of blade are malleation face and negative pressure face respectively, the malleation face is located be close to one side of the great bottom surface of wheel hub upper diameter, the edge of malleation face is including the root limit, preceding limit, topside and the back that connect gradually, the root limit with wheel hub's side links to each other, the back is located and is close to one side of the great bottom surface of wheel hub upper diameter. According to the comparison of experimental results, the invention can obviously improve the efficiency of the fan. The invention is used for the fan.
Drawings
In order to more clearly illustrate the technical solutions in the inventive embodiments of the present invention, the drawings that are used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention and not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without the inventive effort.
FIG. 1 is a schematic view of an expanded state of a blade according to an embodiment of the invention;
FIG. 2 is a schematic view of a cross-section of a blade perpendicular to a forming axis in an embodiment of the invention;
FIG. 3 is a schematic front view of an embodiment of the invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a side elevational schematic view of a hub in accordance with an embodiment of the invention;
in the accompanying drawings: 101-hub, 102-blade, 103-root, 104-leading, 105-top, 106-trailing, 107-positive pressure face, 108-forming axis, 109-first datum, 110-datum start, 111-datum end, 112-datum, 113-demarcation point.
Detailed Description
The inventive concept, specific structure, and resulting technical effects of the present invention will be clearly and fully described below with reference to the accompanying examples and drawings to fully understand the inventive objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments, but not all embodiments, of the present invention, and that other embodiments, which are obtained by those skilled in the art without inventive effort, are within the scope of the inventive protection. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation. The technical features in the invention can be interactively combined on the premise of no contradiction and conflict.
Referring to fig. 1 to 5, this is an embodiment of the invention, specifically:
an arc-shaped diagonal flow impeller comprises a boss 101 which is in a round platform shape, wherein the diameter of the bottom surface with a larger diameter on the boss 101 is d, the height of the boss 101 is L, and the included angle between a bus of the boss 101 and the axis of the boss 101 is a1; six blades 102 are annularly arranged on the side surface of the hub 101 by taking the central axis of the hub 101 as an axis, the blades 102 are sheet bodies with uniform wall thickness, positive pressure surfaces 107 and negative pressure surfaces are respectively arranged on the front surface and the back surface of the blades 102, the positive pressure surfaces 107 are arranged on one side close to the bottom surface with larger diameter on the hub 101, the edge of the positive pressure surfaces 107 comprises a root edge 103, a front edge 104, a top edge 105 and a back edge 106 which are sequentially connected, the root edge 103 is connected with the side surface of the hub 101, and the back edge 106 is arranged on one side close to the bottom surface with larger diameter on the hub 101; the positive pressure surface 107 is a part of a cylindrical surface with an inner diameter R, a forming axis 108 is arranged on the positive pressure surface 107, and the forming axis 108 is overlapped with a cylindrical generatrix of the cylindrical surface; the plane formed by the motion track of the top edge 105 is She Dingmian, the generatrix of the She Dingmian is a straight line, the diameter of the round edge on the top surface of the leaf, which is close to the rear edge 106, is D2, and the diameter of the round edge on the top surface of the leaf, which is close to the front edge 104, is D1, and D2 is larger than D1; the blade 102 is provided with a first reference surface 109, the central axis of the hub 101 is in the first reference surface 109, the intersection point of the first reference surface 109 and the root edge 103 is called a reference initial point 110, and the intersection point of the first reference surface 109 and the top edge 105 is called a reference terminal point 111;
the blade 102 is in a flat state: connecting the reference initial point 110 and the reference end point 111 to form a reference line 112, wherein a demarcation point 113 is arranged on the reference line 112, the reference line 112 and the forming axis 108 intersect on the demarcation point 113, the rotation angle from the reference line 112 to the clockwise direction of the forming axis 108 is a2 with the demarcation point 113 as an apex, and a2 is smaller than 90 degrees; the intersection point of the root edge 103 and the rear edge 106 is referred to as a first intersection point, the intersection point of the rear edge 106 and the top edge 105 is referred to as a second intersection point, the intersection point of the top edge 105 and the front edge 104 is referred to as a third intersection point, the intersection point of the front edge 104 and the root edge 103 is referred to as a fourth intersection point, the distance from the boundary point 113 to the reference start point 110 is H, the distance from the reference start point 110 to the fourth intersection point is F, the distance from the fourth intersection point to the first intersection point is a, the distance from the third intersection point to the fourth intersection point is B, the distance from the third intersection point to the reference end point 111 is G, the distance from the third intersection point to the second intersection point is C, and the distance from the second intersection point to the first intersection point is E. When the impeller rotates, the positive pressure surface 107 with arc design generates pressure to air to form wind. The fan blade is designed in an arc shape, so that the loss of wind passing through the fan blade is reduced, the pressure is increased, the efficiency of the fan is improved, the air supply flow is increased, and the full pressure is improved.
Further as a preferred embodiment, the ratio of a to C is 1: (0.95-1.05). The top edge 105 of the existing fan blade is long, the root edge 103 is short, the fan blade is unfavorable for wind generation, air flow is easy to separate at the blade root, and the flow of wind is reduced. The length of the root edge 103 and the length of the top edge 105 are close, the length of the blade root is increased, the positive pressure surface 107 of the fan blade drives more wind, the flow of the wind is increased, and the efficiency of the fan is improved.
Because the same fan can show different performances under different working conditions, the data measurement is carried out on the existing diagonal flow impeller adopting the single circular plate ladder-shaped blade under different working conditions, and the actual measurement data are shown in the table 1:
table 1:
in this embodiment, the length of D2 is 140, the ratio of D1 to D2 is 130, D is 0.61, the angle of a2 is 38 degrees, A is 41, B is 38, C is 41, E is 33, the ratio of F to A is 0.34, G to C is 0.54, H is 12, R is 54, the angle of a1 is 30 degrees, and L is 28. The length unit of this embodiment is millimeters. Experiments were performed under the same conditions as in table 1, with the actual measurement data shown in table 2:
table 2:
by comparing the data in tables 1 and 2, it can be seen that the total pressure is significantly increased while the fan efficiency is significantly improved compared with the existing impeller.
The invention has the advantages that through organic configuration of each dimension parameter of the blade and the hub, the invention has higher fan efficiency and full pressure. When changing some parameters, the impeller will have different effects. The following are examples, in particular:
example 1: changing the angle range of a2 to 50 degrees, adaptively changing the size related to a2, keeping the other parameters basically unchanged, and then placing the obtained product in the same working condition as in table 1 for experiment, wherein the measured data are shown in table 3:
table 3:
by comparing the data in tables 1 and 2, 3, it can be seen that the efficiency and full pressure of the impeller drops to the level of the existing impeller even worse when the angle of a2 is changed to 50 degrees.
The angle of a2 is changed into 33 degrees, and under the same working condition, the efficiency of the fan measured in the test can be improved by 1.5 to 1.9 percent compared with the existing impeller; the angle of a2 is changed to 43 degrees, and the efficiency of the fan measured in the test can be improved by 1.6-1.8 percent compared with the existing impeller.
Example 2: when the value of R is changed to 38, the size related to R is adaptively changed, other parameters are basically unchanged, and then experiments are carried out under the same working conditions as in Table 1, and the actual measured data are shown in Table 4:
table 4:
by comparing the data in tables 1, 2 and 4, it can be seen that the efficiency and full pressure of the impeller are somewhat improved, but not significantly improved, over the prior art impellers when the value of R is changed to 38.
The R is changed into 44, and under the same working condition, the efficiency of the fan measured in the test can be improved by 1.6 to 2.1 percent compared with the existing impeller; the R is changed to 64, and the efficiency of the fan measured in the test can be improved by 1.3% -1.6% compared with the existing impeller.
Example 3: the ratio of A to C is 1:2, similar to the current situation that the top edge 105 of the existing fan blade is long and the root edge 103 is short, the dimensions related to A and C are adaptively changed, other parameters are basically unchanged, and then the fan blade is put in the same working condition as in the table 1 for experiment, and the actual measurement data are shown in the table 5:
table 5:
by comparing the data of tables 1 and 2, table 5, it can be seen that the ratio between a and C is 1:2, the efficiency and the full pressure of the impeller are slightly improved compared with the prior impeller, but the effect is not obvious.
When the data in table 2 and the data in table 3, table 4 and table 5 are compared separately, it can be found that if the angle of a2, the value of R and the ratio of a to C are changed separately, the efficiency improvement effect on the impeller is not great, and the impeller has the effect of high efficiency and full pressure only by reasonably setting each parameter.
While the preferred embodiments of the present invention have been illustrated and described, the present invention is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present invention, and these are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (2)
1. An arc diagonal flow impeller, characterized in that: the hub comprises a hub body which is in a round table shape, wherein the diameter of the bottom surface with a larger diameter on the hub body is d, the height of the hub body is L, and the included angle between a bus of the hub body and the axis of the hub body is a1;
the side of the hub is provided with a plurality of blades in an annular array by taking the central axis of the hub as an axis, the blades are sheet bodies with uniform wall thickness, the positive surface and the negative surface of each blade are respectively positive pressure surfaces and negative pressure surfaces, the positive pressure surfaces are arranged on one side close to the bottom surface with larger diameter on the hub, the edge of each positive pressure surface comprises a root edge, a front edge, a top edge and a rear edge which are sequentially connected, the root edge is connected with the side of the hub, and the rear edge is arranged on one side close to the bottom surface with larger diameter on the hub;
the positive pressure surface is a part of a cylindrical surface with the inner diameter of R, a forming axis is arranged on the positive pressure surface, and the forming axis is overlapped with a cylindrical generatrix of the cylindrical surface;
the plane formed by the motion trail of the top edge is She Dingmian, the generatrix of the She Dingmian is a straight line, the diameter of the round edge on the top surface of the leaf, which is close to the rear edge, is D2, and the diameter of the round edge on the top surface of the leaf, which is close to the front edge, is D1, and D2 is larger than D1;
the blade is provided with a first reference surface, the central axis of the hub is in the first reference surface, the intersection point of the first reference surface and the root edge is called a reference initial point, and the intersection point of the first reference surface and the top edge is called a reference terminal point;
the blade is in a flat state:
connecting the reference initial point and the reference end point to form a reference line, wherein a demarcation point is arranged on the reference line, the reference line and the forming axis intersect on the demarcation point, and the rotation angle from the reference line to the clockwise direction of the forming axis is a2 by taking the demarcation point as a vertex;
the intersection point of the root edge and the rear edge is called a first intersection point, the intersection point of the rear edge and the top edge is called a second intersection point, the intersection point of the top edge and the front edge is called a third intersection point, the intersection point of the front edge and the root edge is called a fourth intersection point, the distance from the demarcation point to the reference starting point is H, the distance from the reference starting point to the fourth intersection point is F, the distance from the fourth intersection point to the first intersection point is A, the distance from the third intersection point to the fourth intersection point is B, the distance from the third intersection point to the reference end point is G, the distance from the third intersection point to the second intersection point is C, and the distance from the second intersection point to the first intersection point is E, and the ratio of A to C is 1: (0.95-1.05), the ratio of D2 to D1 is (138-142): (128-132), the ratio of D to D2 is 0.58-0.64, the angle range of a2 is 33-43 degrees, D2: a: b: e has a ratio of (138-142): (31-51): (28-48): (23-43), the ratio of D2 to H is (138-142): (9-15), the ratio of F to A is 0.32-0.36, the ratio of G to C is 0.52-0.56, and the ratio of D2 to R is (138-142): (44-64), the angle range of a1 is 25-35 degrees, and the ratio of D2 to L is (138-142): (18-38).
2. An arcuate-shaped diagonal flow impeller according to claim 1, wherein: the top edge is in arc transition connection with the front edge, and the top edge is in arc transition connection with the rear edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910877891.1A CN110566499B (en) | 2019-09-17 | 2019-09-17 | Arc diagonal flow impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910877891.1A CN110566499B (en) | 2019-09-17 | 2019-09-17 | Arc diagonal flow impeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110566499A CN110566499A (en) | 2019-12-13 |
| CN110566499B true CN110566499B (en) | 2024-03-19 |
Family
ID=68780585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910877891.1A Active CN110566499B (en) | 2019-09-17 | 2019-09-17 | Arc diagonal flow impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110566499B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080018838A (en) * | 2006-08-25 | 2008-02-28 | 산요덴키가부시키가이샤 | Axial flow fan and method for designing addition winglet thereof |
| CN106122091A (en) * | 2016-08-23 | 2016-11-16 | 佛山市南海九洲普惠风机有限公司 | There is antecurvature efficient quiet impeller |
| CN106122092A (en) * | 2016-08-23 | 2016-11-16 | 佛山市南海九洲普惠风机有限公司 | A kind of novel blade and use the impeller of this fan blade |
| CN107559235A (en) * | 2017-09-07 | 2018-01-09 | 佛山市南海九洲普惠风机有限公司 | A kind of fan blade and impeller of ternary distortion blower fan |
| CN210769509U (en) * | 2019-09-17 | 2020-06-16 | 佛山市南海九洲普惠风机有限公司 | Arc-shaped oblique flow impeller |
-
2019
- 2019-09-17 CN CN201910877891.1A patent/CN110566499B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080018838A (en) * | 2006-08-25 | 2008-02-28 | 산요덴키가부시키가이샤 | Axial flow fan and method for designing addition winglet thereof |
| CN106122091A (en) * | 2016-08-23 | 2016-11-16 | 佛山市南海九洲普惠风机有限公司 | There is antecurvature efficient quiet impeller |
| CN106122092A (en) * | 2016-08-23 | 2016-11-16 | 佛山市南海九洲普惠风机有限公司 | A kind of novel blade and use the impeller of this fan blade |
| CN107559235A (en) * | 2017-09-07 | 2018-01-09 | 佛山市南海九洲普惠风机有限公司 | A kind of fan blade and impeller of ternary distortion blower fan |
| CN210769509U (en) * | 2019-09-17 | 2020-06-16 | 佛山市南海九洲普惠风机有限公司 | Arc-shaped oblique flow impeller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110566499A (en) | 2019-12-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106122092A (en) | A kind of novel blade and use the impeller of this fan blade | |
| CN113309736B (en) | Blade, impeller, centrifugal fan, range hood and blade design method | |
| CN107559235B (en) | Fan blade and impeller of ternary torsion fan | |
| CN210769509U (en) | Arc-shaped oblique flow impeller | |
| CN110566499B (en) | Arc diagonal flow impeller | |
| CN210769417U (en) | Diagonal flow fan | |
| CN203384065U (en) | Multi-vane fan | |
| CN103967839B (en) | Axial flow fan blade and air conditioner with same | |
| CN106122091B (en) | With antecurvature efficient Jing Yin impeller | |
| CN204553335U (en) | A kind of novel axial-flow leaf | |
| CN106122047B (en) | A kind of efficiently Jing Yin turbine | |
| CN203098386U (en) | Axial fan blade | |
| CN110566481B (en) | Diagonal flow fan | |
| CN108443182A (en) | Turbofan | |
| CN205956062U (en) | Novel fan blade and use impeller of this fan blade | |
| CN109268309A (en) | centrifugal fan impeller and centrifugal fan | |
| CN205937224U (en) | Impeller device and be equipped with this impeller device's axial -flow blower | |
| CN113653671A (en) | Impeller and negative pressure fan | |
| US20210062816A1 (en) | Fan assembly | |
| CN207660872U (en) | A kind of aerofoil fan | |
| CN208651269U (en) | Axial flow fan blade and axial flow fan | |
| CN107477022B (en) | Trapezoidal distortion fan blade | |
| CN202914386U (en) | Metal centrifugal impeller | |
| CN110566501A (en) | Forward-bending type fan blade, impeller and centrifugal fan | |
| CN203175981U (en) | Centrifugal fan blade |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |