CN107479305A - Projecting apparatus - Google Patents
Projecting apparatus Download PDFInfo
- Publication number
- CN107479305A CN107479305A CN201610396355.6A CN201610396355A CN107479305A CN 107479305 A CN107479305 A CN 107479305A CN 201610396355 A CN201610396355 A CN 201610396355A CN 107479305 A CN107479305 A CN 107479305A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- light source
- heat
- projecting apparatus
- source module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 11
- 230000001050 lubricating effect Effects 0.000 claims abstract description 6
- 238000004020 luminiscence type Methods 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 7
- 241000883990 Flabellum Species 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
Abstract
The present invention provides a kind of projecting apparatus, and it includes the shell of tubular structure, the light source module for providing illuminating bundle and the heat abstractor to be radiated to the light source module, and the light source module and the heat abstractor may be contained within the inside of the shell;The heat abstractor includes centrifugal fan and heat pipe, the centrifugal fan includes rotating shaft and the rotor being made from a material that be thermally conductive, the rotating shaft is connected with the heat pipe, the rotor is rotatably sheathed on the rotating shaft, and heat conduction is lubricated using heat conduction lubricating fluid or thermal conductive greases between the rotor and the rotating shaft, the both ends of the heat pipe connect the light source module and the rotating shaft respectively.In the projecting apparatus, heat pipe both ends connect the rotating shaft of light source module and centrifugal fan respectively, thus, heat that light source module is sent can be delivered to the rotating shaft of centrifugal fan by heat pipe, and exhaled by the rotor of centrifugal fan, and then provide effective radiating for cylindric projecting apparatus.
Description
Technical field
The present invention relates to projection display technique field, more particularly to a kind of projecting apparatus.
Background technology
Projecting apparatus, also referred to as projector, it is a kind of equipment for being shown image or VIDEO PROJECTION to screen, is widely used in family, office, school or cinema.As consumer constantly strengthens the Individualized Pursuit of projecting apparatus moulding, and the continuous improvement that modern product industrial design is horizontal, cylindric projecting apparatus start commercially to occur.On the other hand, minimize or be miniaturized a kind of development trend for having become various electronic products.In this case, the quality of heat dispersion will directly affect the overall performance and service life of projecting apparatus.Existing projecting apparatus generally use fan and radiator are radiated, and radiator is typically attached at thermal source, such as light source module, while is provided with multiple fin, and fan provides the wind for accelerating radiating for fin.But this radiating mode do not fully take into account cylindric projecting apparatus structure and miniaturization trend to the structure and setting requirements of heat abstractor, be substantially different from the radiating mode of traditional rectangular parallelepiped structure projecting apparatus.Therefore, the radiating mode of existing projecting apparatus can not provide effective radiating for cylindric projecting apparatus.
The content of the invention
Based on this, it is necessary to provide a kind of projecting apparatus, there is the heat abstractor being fully configured according to the real space of cylindrical shape.
A kind of projecting apparatus, it includes the shell of tubular structure, the light source module for providing illuminating bundle and the heat abstractor to be radiated to the light source module, and the light source module and the heat abstractor may be contained within the inside of the shell;The heat abstractor includes centrifugal fan and heat pipe, the centrifugal fan includes rotating shaft and the rotor being made from a material that be thermally conductive, the rotating shaft is connected with the heat pipe, the rotor is rotatably sheathed on the rotating shaft, and heat conduction is lubricated using heat conduction lubricating fluid or thermal conductive greases between the rotor and the rotating shaft, the both ends of the heat pipe connect the light source module and the rotating shaft respectively.
In projecting apparatus provided by the invention, heat pipe both ends connect the rotating shaft of light source module and centrifugal fan respectively, thus, heat that light source module is sent can be delivered to the rotating shaft of centrifugal fan by heat pipe, and exhaled by the rotor of centrifugal fan, and then provide effective radiating for cylindric projecting apparatus.
In a better embodiment of the invention, the light source module includes multiple luminescence units, the equal multiple heat conduction manifolds of quantity of the heat pipe including quantity and the multiple luminescence unit, one end of the multiple heat conduction manifold connects one to one the multiple luminescence unit, and the other end is connected after being connected with each other with the rotating shaft.Thus, it is possible to multiple different luminescence units are radiated respectively.
In a better embodiment of the invention, the heat pipe is by directly contacting light source module described in the substrate connection of the light source module.
In a better embodiment of the invention, the axis parallel of the axle center of the centrifugal fan and the shell.Thus, it is possible to make full use of the internal structure of the projecting apparatus of tubular structure to carry out the setting of centrifugal fan, internal compact structure is obtained.
In a better embodiment of the invention, the heat pipe is arranged between the light source module and the rotating shaft in a coiled fashion, and the both ends of the heat pipe connect the light source module and the rotating shaft respectively.Thus, it is possible to the projecting apparatus is set further to obtain compact internal structure.
In a better embodiment of the invention, the rotor includes rotating disk and the fin of multiple fan-shapeds, and the rotating disk is rotatably sheathed on the rotating shaft, and the flabellum that the centrifugal fan is formed located at the rotating disk is enclosed at the multiple fin interval.Thus, it both can directly be radiated using flabellum, can be radiated again using air flow caused by the rotation of flabellum.
In a better embodiment of the invention, the fin is coated with grapheme material.Thus, it is possible to improve fin, i.e. the heat dispersion of flabellum.
In a better embodiment of the invention, the material of the rotating shaft includes nano heat-conductive material.Thus, it is possible to improve the heat conductivility of rotating shaft.
In a better embodiment of the invention, the end that the heat pipe is connected with the rotating shaft is provided with and the axis hole of rotating shaft cooperation, the gap that there is the hydraulic fluid for the heat pipe to flow between the hole wall of the axis hole and the tube wall of the heat pipe.Thus, it is possible to further improve the heat transference efficiency between heat pipe and rotating shaft.
In a better embodiment of the invention, the position that the shell corresponds to the air outlet of the centrifugal fan is provided with multiple heat emission holes or radiating groove.Thus, be advantageous to discharge the hot-air inside projecting apparatus.
Brief description of the drawings
Fig. 1 is the schematic diagram for the projecting apparatus that first embodiment of the invention provides;
Fig. 2 is the internal structure schematic diagram of projecting apparatus shown in Fig. 1;
Fig. 3 is the side view of heat abstractor in projecting apparatus shown in Fig. 2
Fig. 4 is heat pipe and the cooperation schematic diagram of rotating shaft in projecting apparatus shown in Fig. 2;
Fig. 5 is heat pipe and another cooperation schematic diagram of rotating shaft in projecting apparatus shown in Fig. 2;
Fig. 6 is the internal structure schematic diagram for the projecting apparatus that second embodiment of the invention provides;
Fig. 7 is the internal structure schematic diagram for the projecting apparatus that third embodiment of the invention provides.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.The better embodiment of the present invention is given in accompanying drawing.It these are only the preferred embodiments of the present invention; it is not intended to limit the scope of the invention; every equivalent structure made using description of the invention and accompanying drawing content or equivalent flow conversion; or other related technical areas are directly or indirectly used in, it is included within the scope of the present invention.
Unless otherwise defined, all of technologies and scientific terms used here by the article is identical with belonging to the implication that the those skilled in the art of the present invention are generally understood that.Term used in the description of the invention herein is intended merely to describe the purpose of specific embodiment, it is not intended that in the limitation present invention.Term as used herein " and/or " include the arbitrary and all combinations of one or more related Listed Items.
Also referring to Fig. 1 to Fig. 3, a kind of projecting apparatus 100 provided for first embodiment of the invention, it includes the shell 10 of tubular structure, the light source module 20 for providing illuminating bundle and the heat abstractor 30 to be radiated to the light source module 20, and the light source module 20 and the heat abstractor 30 may be contained within the inside of the shell 10;The heat abstractor 30 includes centrifugal fan 31 and heat pipe 33, the centrifugal fan 31 includes rotating shaft 311 and the rotor 313 being made from a material that be thermally conductive, the rotating shaft 311 is connected with the heat pipe 33, the rotor 313 is rotatably sheathed on the rotating shaft 311, and heat conduction lubricating fluid or thermal conductive greases are used between the rotor 313 and the rotating shaft 311(It is not shown)Heat conduction is lubricated, the both ends of the heat pipe 33 connect the light source module 20 and the rotating shaft 311 respectively.
In the present embodiment, the shell 10 corresponds to the air outlet of the centrifugal fan 31(The radial direction of i.e. described centrifugal fan 31)Position be provided with multiple radiating grooves 13(As shown in Figure 1).Thus, be advantageous to discharge the hot-air inside the projecting apparatus 100.It is understood that the multiple radiating groove 13 can with arrangement can be designed according to actual conditions, such as vertically parallel interval set or circumferentially spaced setting.In addition, the multiple radiating groove 13 is it can also be provided that multiple heat emission holes.
In the projecting apparatus 100, the both ends of the heat pipe 33 connect the rotating shaft 311 of the light source module 20 and the centrifugal fan 31 respectively, thus, the heat that the light source module 20 is sent can be delivered to the rotating shaft 311 of the centrifugal fan 31 by the heat pipe 33, and exhaled by the rotor 313 of the centrifugal fan 31, and then the projecting apparatus 100 for being embodied as cylindrical shape provides effective radiating.It is understood that during radiating, heat carries out heat exchange by the heat pipe 33 caused by the light source module 20 in the projecting apparatus 100, and heat is delivered to cold end from the hot junction of the heat pipe 33;Then heat transfer is carried out by the rotating shaft 311 of the centrifugal fan 31, heat is delivered to the rotating shaft 311 from the heat pipe 33;Heat is transferred to the rotor 313 by the heat conduction lubricating fluid or thermal conductive greases from the rotating shaft 311 afterwards, and shed by the rotor 313.
When assembling the projecting apparatus 100, the heat pipe 33 is connected to the light source module 20, then it is the centrifugal fan 31 is axially disposed, even if the axis parallel of the centrifugal fan 31 is set in the axle center of the shell 10, preferably, the axle center of the centrifugal fan 31 and the axle center of the shell 10 is made to coincide.Thus, it is possible to make full use of the internal structure of the projecting apparatus 100 of tubular structure to carry out the setting of the centrifugal fan 31, internal compact structure is obtained.
It is understood that the hot junction of the heat pipe 33 connects the light source module 20, cold end is connected with the rotating shaft 311, and the inside of the heat pipe 33 has the hydraulic fluid flowed between hot junction and cold end.Preferably, one end that the heat pipe 33 is connected with the rotating shaft 311(That is cold end)Provided with the axis hole 331 coordinated with the rotating shaft 311, as shown in Figure 4.Certainly, it is not limited to this, can also be in the end set axis hole of the rotating shaft 311, and it is sheathed on the cold end of the heat pipe 33.In addition, connection can also be realized by being threaded structure between the rotating shaft 311 and the axis hole 331, as long as the rotating shaft 311 and the axis hole 331 can be connected effectively.
Further, there is the gap that the hydraulic fluid for the heat pipe 33 flows between the hole wall of the axis hole 331 and the tube wall of the heat pipe 33, as shown in Figure 5, thus, the part that the rotating shaft 311 is connected with the heat pipe 33 can be coated indirectly by the tube wall of the heat pipe 33 by hydraulic fluid, be advantageous to further provide for the heat transference efficiency between the rotating shaft 311 and the heat pipe 33.
Preferably, the material of the rotating shaft 311 includes nano heat-conductive material, it is possible thereby to further improve the heat transfer performance of the rotating shaft 311.
In the present embodiment, the heat conduction lubricating oil or thermal conductive greases have high-termal conductivity, and sufficient lubrication can be carried out to the contact surface of the rotating shaft 311 and the rotor 313, it is to be understood that one layer of oil sealing or oil layer will be formed between the rotating shaft 311 and the contact surface of the rotor 313.
In the present embodiment, the heat pipe 33 connects the light source module 20 by directly contacting the substrate 21 of the light source module 20.The substrate 21 is made of a highly heat conductive material, and the hot junction of the heat pipe 33 is arranged at the substrate 21.Thus, heat caused by the light source module 20 will be transferred to the hot junction of the heat pipe 33 by the substrate 21.
The rotor 313 includes rotating disk 315 and the fin 317 of multiple fan-shapeds, the rotating disk 315 is rotatably sheathed on the rotating shaft 311, heat conduction is lubricated using heat conduction lubricating fluid or thermal conductive greases between the rotating disk 315 and the rotating shaft 311, the multiple interval of fin 317 is enclosed forms flabellum located at the rotating disk 315.With the rotation of the rotor 313, air stream from the rotating shaft 311 axially into, and with fin 317 rotation from radially flowing out.Obviously, on the one hand heat can be shed with air stream, on the other hand can be directly scattered to by the multiple fin 317 in air.It is understood that the quantity of the fin 317 can be designed according to actual conditions, 3,6 or more piece numbers are such as can be designed as.
Preferably, the fin 317 is coated with grapheme material, it is possible thereby to further improve the heat dispersion of the fin 317.
It is understood that in the present invention, Heat Conduction Material can be metal material(Such as copper, iron or aluminium)Or alloy material(Such as aluminium alloy), as long as there is preferable heat conductivility.
In the present embodiment, the outer circumference surface of the projecting apparatus 100 is provided with projection lens 40, the central shaft of the optical axis of the projection lens 40 perpendicular to the shell 10.
Referring to Fig. 6, for the schematic diagram of heat abstractor 30 in the projecting apparatus 200 of second embodiment of the invention offer, the difference of the projecting apparatus 100 provided with first embodiment of the invention is:The light source module 20 therein includes multiple luminescence units 23, the corresponding heat conduction manifold 333 of quantity of the heat pipe 33 including quantity and the multiple luminescence unit 23, one end of the multiple heat conduction manifold 333 connects one to one the multiple luminescence unit 23, and the other end is connected after being connected with each other with the rotating shaft 311.Specifically, i.e. the hot junction of each heat conduction manifold 333 is all connected with a luminescence unit 23, and cold end is connected after being then connected with each other with the rotating shaft 311.
In the present embodiment, the luminescence unit 23 is solid state light emitter, such as LED or LD.
It is understood that the multiple luminescence units 23 having for the projecting apparatus 200, in the present embodiment, heat conduction respectively can be carried out using the multiple heat conduction manifold 333, radiated again by the centrifugal fan 31, thus, you can realization is effectively radiated to different luminescence units 23.
Referring to Fig. 7, the projecting apparatus 300 provided for third embodiment of the invention, the difference of the projecting apparatus 100 provided with first embodiment of the invention is:The heat pipe 33 therein is arranged between the light source module 20 and the rotating shaft 311 in a coiled fashion, i.e., the described spiral of heat pipe 33 is set, and both ends connect the light source module 20 and the rotating shaft 311 respectively.Thus, in the case that distance between the light source module 20 and the rotating shaft 311 is relatively limited, it is ensured that the heat pipe 33 has enough length.Obviously, the heat pipe 33 is arranged between the light source module 20 and the rotating shaft 311 in a coiled fashion, and the axial length that can be effectively prevented from the electronic product of such as tubular structure is long.
In the present embodiment, the heat pipe 33 connects the light source module 20 also by the substrate 21.
Relative to prior art, the projecting apparatus 100 provided by the invention(Projecting apparatus 200, projecting apparatus 300)It can be fully configured using heat pipe 33 and centrifugal fan 31 inside the shell 10 of tubular according to real space and not influence heat dispersion.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but therefore can not be interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. projecting apparatus, it is characterised in that including:The shell of tubular structure, the light source module for providing illuminating bundle and the heat abstractor to be radiated to the light source module, the light source module and the heat abstractor may be contained within the inside of the shell;The heat abstractor includes centrifugal fan and heat pipe, the centrifugal fan includes rotating shaft and the rotor being made from a material that be thermally conductive, the rotating shaft is connected with the heat pipe, the rotor is rotatably sheathed on the rotating shaft, and heat conduction is lubricated using heat conduction lubricating fluid or thermal conductive greases between the rotor and the rotating shaft, the both ends of the heat pipe connect the light source module and the rotating shaft respectively.
- 2. projecting apparatus as claimed in claim 1, it is characterized in that, the light source module includes multiple luminescence units, the equal multiple heat conduction manifolds of quantity of the heat pipe including quantity and the multiple luminescence unit, one end of the multiple heat conduction manifold connects one to one the multiple luminescence unit, and the other end is connected after being connected with each other with the rotating shaft.
- 3. projecting apparatus as claimed in claim 1, it is characterised in that the heat pipe is by directly contacting light source module described in the substrate connection of the light source module.
- 4. projecting apparatus as claimed in claim 1, it is characterised in that the axis parallel of the axle center of the centrifugal fan and the shell.
- 5. projecting apparatus as claimed in claim 1, it is characterised in that the heat pipe is arranged between the light source module and the rotating shaft in a coiled fashion, and the both ends of the heat pipe connect the light source module and the rotating shaft respectively.
- 6. projecting apparatus as claimed in claim 1, it is characterised in that the rotor includes rotating disk and the fin of multiple fan-shapeds, and the rotating disk is rotatably sheathed on the rotating shaft, and the flabellum that the centrifugal fan is formed located at the rotating disk is enclosed at the multiple fin interval.
- 7. projecting apparatus as claimed in claim 6, it is characterised in that the fin is coated with grapheme material.
- 8. projecting apparatus as claimed in claim 1, it is characterised in that the material of the rotating shaft includes nano heat-conductive material.
- 9. projecting apparatus as claimed in claim 1, it is characterized in that, the axis hole that the end that the heat pipe is connected with the rotating shaft is provided with and the rotating shaft coordinates, the gap that there is the hydraulic fluid for the heat pipe to flow between the hole wall of the axis hole and the tube wall of the heat pipe.
- 10. projecting apparatus as claimed in claim 1, it is characterised in that the position that the shell corresponds to the air outlet of the centrifugal fan is provided with multiple heat emission holes or radiating groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610396355.6A CN107479305A (en) | 2016-06-07 | 2016-06-07 | Projecting apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610396355.6A CN107479305A (en) | 2016-06-07 | 2016-06-07 | Projecting apparatus |
Publications (1)
Publication Number | Publication Date |
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CN107479305A true CN107479305A (en) | 2017-12-15 |
Family
ID=60594199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610396355.6A Pending CN107479305A (en) | 2016-06-07 | 2016-06-07 | Projecting apparatus |
Country Status (1)
Country | Link |
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CN (1) | CN107479305A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11847003B2 (en) | 2018-10-26 | 2023-12-19 | Huawei Technologies Co., Ltd. | Folding device and heat dissipation apparatus |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101600320A (en) * | 2008-06-04 | 2009-12-09 | 富准精密工业(深圳)有限公司 | Heat abstractor |
CN101765353A (en) * | 2008-12-25 | 2010-06-30 | 富准精密工业(深圳)有限公司 | Heat-dissipation module |
JP2014102312A (en) * | 2012-11-19 | 2014-06-05 | Seiko Epson Corp | Projector |
CN105402159A (en) * | 2015-12-16 | 2016-03-16 | 东莞市同裕电子有限公司 | Fan blade and cooling fan with same |
CN205787556U (en) * | 2016-06-07 | 2016-12-07 | 南京创斐信息技术有限公司 | Projector |
-
2016
- 2016-06-07 CN CN201610396355.6A patent/CN107479305A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101600320A (en) * | 2008-06-04 | 2009-12-09 | 富准精密工业(深圳)有限公司 | Heat abstractor |
CN101765353A (en) * | 2008-12-25 | 2010-06-30 | 富准精密工业(深圳)有限公司 | Heat-dissipation module |
JP2014102312A (en) * | 2012-11-19 | 2014-06-05 | Seiko Epson Corp | Projector |
CN105402159A (en) * | 2015-12-16 | 2016-03-16 | 东莞市同裕电子有限公司 | Fan blade and cooling fan with same |
CN205787556U (en) * | 2016-06-07 | 2016-12-07 | 南京创斐信息技术有限公司 | Projector |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11847003B2 (en) | 2018-10-26 | 2023-12-19 | Huawei Technologies Co., Ltd. | Folding device and heat dissipation apparatus |
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Application publication date: 20171215 |