CN115163555A - Carbon fiber blade used at low temperature - Google Patents
Carbon fiber blade used at low temperature Download PDFInfo
- Publication number
- CN115163555A CN115163555A CN202210842369.1A CN202210842369A CN115163555A CN 115163555 A CN115163555 A CN 115163555A CN 202210842369 A CN202210842369 A CN 202210842369A CN 115163555 A CN115163555 A CN 115163555A
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- CN
- China
- Prior art keywords
- blade
- carbon fiber
- carbon
- transition section
- core shaft
- 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.)
- Granted
Links
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 95
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 95
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 229910052751 metal Inorganic materials 0.000 claims abstract description 61
- 239000002184 metal Substances 0.000 claims abstract description 61
- 230000007704 transition Effects 0.000 claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 33
- 239000006260 foam Substances 0.000 claims description 24
- 238000004804 winding Methods 0.000 claims description 22
- 239000011208 reinforced composite material Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 5
- 229920007790 polymethacrylimide foam Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 4
- 239000002131 composite material Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- 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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention belongs to the technical field of rotor blades, and particularly relates to a carbon fiber blade used at low temperature, which sequentially comprises a carbon beam and a carbon fiber skin from inside to outside, wherein the carbon beam comprises a sheet part, a transition part and a columnar part which are sequentially arranged; the rear end of the columnar part is embedded with a metal core shaft, a transition section is arranged in the carbon beam, and the transition section is connected with one end, close to the blade body, of the metal core shaft. Has the advantages that: the carbon fiber blade used at the low temperature solves the problem of safe and stable operation of the compressor blade at the low-temperature environment temperature, and particularly considers the problem of matching of the carbon fiber composite material and the metal piece at the large temperature span; the carbon fiber blade is light in weight, and reduces energy consumption of the compressor during operation.
Description
Technical Field
The invention belongs to the technical field of rotor blades, and particularly relates to a carbon fiber blade used at a low temperature.
Background
The large-scale compressor requires the development of rotor blades which normally work within the temperature range of 90K-323K (-183.15-49.85 ℃). The general metal blade has the characteristics of large density, heavy weight and high energy consumption in the operation process, the metal blade cannot meet the requirements of high strength, low-temperature toughness and the like under the ultralow-temperature condition easily, and the carbon fiber reinforced composite material has the characteristics of light weight, small thermal deformation and high strength and toughness at low temperature and is suitable for manufacturing blades of large low-temperature compressors.
The blade product of the compressor in the current market is metal, the weight is heavy, and the energy consumption is high in the operation process. The density of the metal steel is 7900kg/m < 3 >, and the density of the carbon fiber composite material is 1650kg/m < 3 >, so that the carbon fiber composite material blade is developed, and the weight of the product is greatly reduced. The blade needs to be used in a wide temperature range of 90K-323K, so the influence of temperature difference on connection of different materials needs to be considered.
Disclosure of Invention
In order to solve the problems that in the prior art, a metal blade is heavy in weight, high in energy consumption in the operation process and difficult to meet the requirements of higher strength and toughness under a low-temperature condition, the invention provides a carbon fiber blade used at a low temperature.
In order to solve the technical problems, the invention adopts the following technical scheme that the carbon fiber blade used at low temperature sequentially comprises a carbon beam and a carbon fiber skin from inside to outside, wherein the carbon beam comprises a sheet part, a transition part and a columnar part which are sequentially arranged, the sheet part is positioned at a blade body of the carbon fiber blade, the transition part and the columnar part are positioned at a blade handle of the carbon fiber blade, blade body foam edges are arranged on two sides of the sheet part, and the blade body foam edges are also positioned in the carbon fiber skin; the rear end of the columnar part is embedded with a metal core shaft, a transition section is arranged in the carbon beam, and the transition section is connected with one end, close to the blade body, of the metal core shaft.
Preferably, a plurality of connecting pieces have all been buried underground to the both sides of slice portion, the one end that the slice portion was kept away from to the connecting piece is located blade body foam reason, just a plurality of barbs that are used for hooking blade body foam reason have on the connecting piece. The blade body part is filled with a blade body foam edge for reducing weight locally, and the blade body foam edge plays a role of inner support during the die pressing manufacturing of the blade; because the setting of connecting piece for blade body foam reason sets up more firmly, and the blade mould pressing of being convenient for is made, improves the wholeness and the structural reliability of this carbon fiber blade.
Preferably, the metal core shaft is dumbbell-shaped, and the middle part of the metal core shaft is in smooth transition to the two ends of the metal core shaft; the cross sections of the end parts of the metal mandrels are all polygonal. Effectively prevent that the metal dabber from producing relative axial and angular displacement in the carbon roof beam, improve this carbon fiber blade's installation accuracy.
Preferably, one end of the transition section is spherical, the other end of the transition section is conical, one end of the metal mandrel is recessed inwards, the spherical end of the transition section is located in the recess of the metal mandrel, and the conical end of the transition section is far away from the metal mandrel and shrinks. The transition section forms flexible transition between the metal core shaft and the carbon beam, and stress concentration caused by overlarge rigidity gradient at the transition section is prevented.
Preferably, the transition section is made of a mixture of carbon fiber and low-temperature resin. The effect of transition section flexible connection is improved.
Preferably, the carbon beams and the carbon fiber skins are both made of carbon fiber reinforced composite materials; the material of the blade body foam edge adopts PMI foam; the metal core shaft is made of titanium alloy. The whole carbon fiber composite that adopts of blade, blade body position adopt the PMI foam to fill for the part that lightens weight, and the reliability that this carbon fiber blade and compressor wheel hub are connected is guaranteed to the metal dabber of a pre-buried titanium alloy in carbon beam inside.
Further, a carbon fiber winding layer is arranged outside the carbon fiber skin at the petiole. The integrity of the petiole is further increased, and the connection strength is improved.
Furthermore, the carbon fiber winding layer comprises a first winding layer and a second winding layer which are sequentially distributed along the axial direction of the blade handle, an anti-twisting block is arranged between the first winding layer and the second winding layer, the blade handle sequentially penetrates through a hub outer ring and a hub inner ring of the compressor, a locking piece is fixedly arranged at the rear end of the blade handle in a connecting mode through a connecting screw and connected with the metal mandrel, and the hub inner ring is located between the anti-twisting block and the locking piece; the locking piece, the hub inner ring, the anti-twisting block and the hub inner ring are both provided with gaskets, and gaskets are also arranged between the blade handles and the hub outer ring. The problem of the unable screw hole of opening of combined material structure, carry out screw locking has effectively been solved.
Has the beneficial effects that: according to the carbon fiber blade used at low temperature, the carbon fiber blade is integrally made of the carbon fiber reinforced composite material, so that the weight is greatly reduced; the blade body part is filled with the blade body foam edge for reducing weight; the carbon beam bears pneumatic bending moment, torque and centrifugal force when the carbon fiber blade works; the carbon fiber skin ensures the pneumatic appearance of the whole blade; the reliability of connection of the carbon fiber blade and a compressor hub is ensured by the metal mandrel, the metal mandrel is in a dumbbell shape, the cross sections of the end parts of the metal mandrel are in a polygon shape, so that the metal mandrel is prevented from generating relative axial and angular displacement in the carbon beam, and the installation precision of the carbon fiber blade is improved; the transition section forms flexible transition between the metal core shaft and the carbon beam, and stress concentration caused by overlarge rigidity gradient is prevented; the anti-twisting block ensures the assembly relationship between the carbon fiber blade and the compressor hub, and effectively prevents the carbon fiber blade from twisting in the circumferential direction; the carbon fiber blade used at the low temperature solves the problem of safe and stable operation of the compressor blade at the low-temperature environment temperature, and particularly considers the problem of matching of the carbon fiber composite material and the metal piece at the large temperature span; the carbon fiber blade used at low temperature can reduce the energy consumption of the compressor during operation, can be popularized to various components in various fields such as machinery, ships, aviation, aerospace and the like, and has wide application prospects.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic perspective view of a carbon fiber blade for use at low temperatures in accordance with the present invention;
FIG. 2 is an exploded schematic view of a carbon fiber blade for use at low temperatures in accordance with the present invention;
FIG. 3 is a schematic partial cross-sectional view of a carbon fiber blade for use at cryogenic temperatures in accordance with the present invention;
FIG. 4 is a schematic perspective view of a metal mandrel for a carbon fiber blade for use at low temperatures in accordance with the present invention;
FIG. 5 is a schematic perspective view of a transition section of a carbon fiber blade for use at low temperatures in accordance with the present invention;
FIG. 6 is a schematic partial cross-sectional view of a blade portion and a blade body foam rim of a carbon fiber blade used at low temperatures in accordance with the present invention;
FIG. 7 is a perspective view of a carbon fiber blade used in the low temperature application of the present invention assembled with a hub;
FIG. 8 is a schematic partial cross-sectional view of a carbon fiber blade used with the present invention at low temperatures assembled with a hub;
in the figure: 1. the blade comprises a blade body, 2 parts of a blade handle, 3 parts of a carbon beam, 3-1 parts of a sheet part, 3-2 parts of a transition part, 3-3 parts of a column part, 4 parts of a carbon fiber skin, 5 parts of a blade body foam edge, 6 parts of a metal core shaft, 7 parts of a transition section, 8 parts of a connecting piece, 8-1 parts of a barb, 9 parts of a carbon fiber winding layer, 9-1 parts of a first winding layer, 9-2 parts of a second winding layer, 10 parts of an anti-torsion block, 11 parts of a connecting screw, 12 parts of a locking piece, 13 parts of a gasket, 14 parts of a hub outer ring, 15 parts of a hub inner ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 8, a carbon fiber blade for use at low temperature, as shown in fig. 1, includes a blade body 1 and a blade shank 2, and for convenience of description, it is defined that a direction of the blade body 1 close to the blade is "front", a direction of the blade body 1 far from the blade is "back", and a direction of the central axis far from the blade shank 2 is "outside", as shown in fig. 2, the carbon fiber blade includes, in order from inside to outside, a carbon beam 3 and a carbon fiber skin 4, the carbon beam 3 includes, in order, a sheet portion 3-1, a transition portion 3-2, and a column portion 3-3, the sheet portion 3-1 is located at the blade body 1 of the carbon fiber blade, the transition portion 3-2 and the column portion 3-3 are located at the blade shank 2 of the carbon fiber blade, blade body foam edges 5 are provided on both sides of the sheet portion 3-1, and the blade body foam edges 5 are also located in the carbon fiber skin 4; in order to ensure the connection reliability of the carbon fiber blade and the compressor hub, as shown in fig. 3-5, a metal mandrel 6 is embedded at the rear end of the columnar part 3-3, in order to effectively prevent the metal mandrel 6 from generating relative axial and angular displacement in the carbon beam 3 and improve the installation accuracy of the carbon fiber blade, the metal mandrel 6 is in a dumbbell shape, the middle part of the metal mandrel 6 is in smooth transition to the two ends of the metal mandrel 6, and the cross section of the end part of the metal mandrel 6 is in a polygon shape; in order to prevent stress concentration caused by overlarge rigidity gradient, a transition section 7 is arranged in the carbon beam 3, the material of the transition section 7 is prepared by mixing broken carbon fibers and low-temperature resin, the transition section 7 is connected with one end, close to the blade body 1, of the metal mandrel 6, one end of the transition section 7 is spherical, the other end of the transition section is conical, one end of the metal mandrel 6 is inwards recessed, the spherical end of the transition section 7 is located in the recess of the metal mandrel 6, the conical end of the transition section 7 is far away from the metal mandrel 6 and shrinks, and the transition section forms flexible transition between the metal mandrel 6 and the carbon beam 3.
In order to make the blade body foam edge 5 more firmly arranged, as shown in fig. 2 and fig. 6, a plurality of connecting pieces 8 are embedded at both sides of the sheet part 3-1 of the embodiment, one end of each connecting piece 8 far away from the sheet part 3-1 is positioned in the blade body foam edge 5, and the connecting pieces 8 are provided with a plurality of barbs 8-1 for hooking the blade body foam edge 5.
The carbon beam 3 and the carbon fiber skin 4 of the embodiment are both made of carbon fiber reinforced composite materials; the material of the blade body foam edge 5 adopts PMI foam; the metal core shaft 6 is made of titanium alloy, namely, the whole blade is made of carbon fiber composite materials, the blade body 1 is partially filled with PMI foam for reducing weight, and the metal core shaft 6 made of titanium alloy is embedded in the carbon beam 3, so that the reliability of connection between the carbon fiber blade and the compressor hub is ensured.
In order to further increase the integrity of the blade shank 2 and improve the connection strength, a carbon fiber winding layer 9 is arranged outside the carbon fiber skin 4 at the position of the blade shank 2 as shown in fig. 1. Because the carbon fiber skin 4 is split, the carbon fiber skin 4 is firstly glued and assembled with the carbon beam 3 and the blade foam edge 5 to form a whole, and then is wound and reinforced by the carbon fiber winding layer 9 and machined to obtain the required appearance.
In order to effectively solve the problem that the carbon fiber reinforced composite material structural member cannot be provided with a threaded hole and is locked by threads, as shown in fig. 1, 7 and 8, the carbon fiber winding layer 9 comprises a first winding layer 9-1 and a second winding layer 9-2 which are sequentially distributed along the axial direction of a blade handle 2, an anti-twisting block 10 is fixedly arranged between the first winding layer 9-1 and the second winding layer 9-2, the blade handle 2 sequentially penetrates through a hub outer ring 14 and a hub inner ring 15 of a compressor, the rear end of the blade handle 2 is fixedly connected with a metal core shaft 6 through a connecting screw 11 and is provided with a locking member 12, the hub inner ring 15 is positioned between the anti-twisting block 10 and the locking member 12, and the anti-twisting block 10 ensures the assembly relationship between the carbon fiber blade and the hub of the compressor, so as to effectively prevent the carbon fiber blade from twisting in the circumferential direction; washers 13 are arranged between the locking piece 12 and the hub inner ring 15, and between the anti-torsion block 10 and the hub inner ring 15, and the washers 13 are also arranged between the blade handle 2 and the hub outer ring 14.
The working principle of the carbon fiber blade of the embodiment is as follows:
firstly, a first washer 13 is arranged on a blade handle 2 and is close to a blade body 1, a second washer 13 is arranged on the blade handle 2 and is close to a torsion-proof block 10, the blade handle 2 sequentially penetrates through a hub outer ring 14 and a hub inner ring 15, a third washer 13 is arranged on the blade handle 2 and is close to a hub inner ring 15, and a locking member 12 and a metal mandrel 6 are fixedly connected through a connecting screw 11, wherein the locking member 12 is positioned at the rear end of the blade handle 2, the hub inner ring 15 is positioned between the torsion-proof block 10 and the locking member 12, the first washer 13 is positioned between the blade handle 2 and the hub outer ring 14, the second washer 13 is positioned between the torsion-proof block 10 and the hub inner ring 15, and the third washer 13 is positioned between the locking member 12 and the hub inner ring 15; wherein, the carbon fiber blade is integrally made of carbon fiber reinforced composite material; the part of the blade body 1 is filled with a blade body foam edge 5 for reducing weight; the carbon beam 3 bears pneumatic bending moment, torque and centrifugal force when the carbon fiber blade works; the carbon fiber skin 4 ensures the overall aerodynamic shape of the blade; the metal core shaft 6 ensures the connection reliability of the carbon fiber blade and the compressor hub, the metal core shaft 6 is in a dumbbell shape, the end sections of the metal core shaft 6 are all in a polygon shape, so that the metal core shaft 6 is prevented from generating relative axial and angular displacement in the carbon beam 3, and the installation precision of the carbon fiber blade is improved; the transition section 7 forms flexible transition between the metal core shaft 6 and the carbon beam 3, and stress concentration caused by overlarge rigidity gradient at the position is prevented; the anti-twisting block 10 ensures the assembling relation between the carbon fiber blade and the compressor hub, and effectively prevents the carbon fiber blade from twisting in the circumferential direction.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. A carbon fiber blade for use at low temperatures, comprising: the carbon fiber blade sequentially comprises a carbon beam (3) and a carbon fiber skin (4) from inside to outside, wherein the carbon beam (3) comprises a sheet part (3-1), a transition part (3-2) and a columnar part (3-3) which are sequentially arranged, the sheet part (3-1) is positioned at a blade body (1) of the carbon fiber blade, the transition part (3-2) and the columnar part (3-3) are positioned at a blade handle (2) of the carbon fiber blade, blade body foam edges (5) are arranged on two sides of the sheet part (3-1), and the blade body foam edges (5) are also positioned in the carbon fiber skin (4); a metal core shaft (6) is embedded at the rear end of the columnar portion (3-3), a transition section (7) is arranged in the carbon beam (3), and the transition section (7) is connected with one end, close to the blade body (1), of the metal core shaft (6).
2. Carbon fibre blade for use at low temperatures according to claim 1, characterized in that: a plurality of connecting pieces (8) are buried underground on two sides of the sheet part (3-1), one end of the connecting piece (8) far away from the sheet part (3-1) is positioned in the blade body foam edge (5), and a plurality of barbs (8-1) used for hooking the blade body foam edge (5) are arranged on the connecting piece (8).
3. Carbon fibre blade for use at low temperatures according to claim 1, characterized in that: the metal core shaft (6) is dumbbell-shaped, and the middle part of the metal core shaft (6) is smoothly transited to the two ends of the metal core shaft; the cross sections of the end parts of the metal mandrels (6) are all polygonal.
4. The carbon fiber blade for use at low temperatures according to claim 1 or 3, characterized in that: one end of the transition section (7) is spherical, the other end of the transition section is conical, one end of the metal mandrel (6) is inwards sunken, the spherical end of the transition section (7) is positioned in the sunken part of the metal mandrel (6), and the conical end of the transition section (7) is far away from the metal mandrel (6) to shrink.
5. Carbon fibre blade for use at low temperatures according to claim 4, characterized in that: the transition section (7) is made of a mixture of carbon fiber and low-temperature resin.
6. Carbon fibre blade for use at low temperatures according to claim 1, characterized in that: the carbon beam (3) and the carbon fiber skin (4) are both made of carbon fiber reinforced composite materials; the material of the blade body foam edge (5) adopts PMI foam; the metal core shaft (6) is made of titanium alloy.
7. The carbon fiber blade for use at low temperatures according to claim 1, wherein: and a carbon fiber winding layer (9) is arranged outside the carbon fiber skin (4) at the position of the blade handle (2).
8. The carbon fiber blade for use at low temperatures according to claim 7, wherein: the carbon fiber winding layer (9) comprises a first winding layer (9-1) and a second winding layer (9-2) which are sequentially distributed along the axial direction of the blade handle (2), an anti-twisting block (10) is arranged between the first winding layer (9-1) and the second winding layer (9-2), the blade handle (2) sequentially penetrates through a hub outer ring (14) and a hub inner ring (15) of the compressor, the rear end of the blade handle (2) is fixedly connected with the metal core shaft (6) through a connecting screw (11) and is provided with a locking piece (12), and the hub inner ring (15) is located between the anti-twisting block (10) and the locking piece (12); and gaskets (13) are arranged between the locking piece (12) and the hub inner ring (15) and between the anti-torsion block (10) and the hub inner ring (15), and the gaskets (13) are also arranged between the blade handle (2) and the hub outer ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210842369.1A CN115163555B (en) | 2022-07-18 | 2022-07-18 | Carbon fiber blade used at low temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210842369.1A CN115163555B (en) | 2022-07-18 | 2022-07-18 | Carbon fiber blade used at low temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115163555A true CN115163555A (en) | 2022-10-11 |
| CN115163555B CN115163555B (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210842369.1A Active CN115163555B (en) | 2022-07-18 | 2022-07-18 | Carbon fiber blade used at low temperature |
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| Country | Link |
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| CN (1) | CN115163555B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1184566A1 (en) * | 1999-05-31 | 2002-03-06 | Manuel Torres Martinez | Aerogenerator blade |
| US20030091788A1 (en) * | 2001-11-14 | 2003-05-15 | Schroder Mark Stewart | Monolithic ceramic attachment bushing incorporated into a ceramic matrix composite component and related method |
| CN105682904A (en) * | 2013-10-04 | 2016-06-15 | 斯奈克玛 | Method and assembly for the production of a composite blade |
| US20170292530A1 (en) * | 2016-04-11 | 2017-10-12 | United Technologies Corporation | Airfoil |
| WO2017186640A1 (en) * | 2016-04-25 | 2017-11-02 | Siemens Aktiengesellschaft | Hybrid rotor blade or guide blade and method for the production thereof |
| CN108757270A (en) * | 2018-07-10 | 2018-11-06 | 江苏新扬新材料股份有限公司 | Integrated molding composite material blade structure |
| CN109139549A (en) * | 2018-08-08 | 2019-01-04 | 合肥通用机械研究院有限公司 | A kind of carbon fiber axle axial flow fan blade device of wear resistant corrosion resistant |
| CN109624369A (en) * | 2018-12-07 | 2019-04-16 | 江苏新扬新材料股份有限公司 | A kind of preparation method of coldblade |
| JP2019094796A (en) * | 2017-11-20 | 2019-06-20 | 東レ・カーボンマジック株式会社 | Airfoil |
| CN212429304U (en) * | 2019-12-03 | 2021-01-29 | 惠阳航空螺旋桨有限责任公司 | Anti-icing wind tunnel blade |
-
2022
- 2022-07-18 CN CN202210842369.1A patent/CN115163555B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1184566A1 (en) * | 1999-05-31 | 2002-03-06 | Manuel Torres Martinez | Aerogenerator blade |
| US20030091788A1 (en) * | 2001-11-14 | 2003-05-15 | Schroder Mark Stewart | Monolithic ceramic attachment bushing incorporated into a ceramic matrix composite component and related method |
| CN105682904A (en) * | 2013-10-04 | 2016-06-15 | 斯奈克玛 | Method and assembly for the production of a composite blade |
| US20170292530A1 (en) * | 2016-04-11 | 2017-10-12 | United Technologies Corporation | Airfoil |
| WO2017186640A1 (en) * | 2016-04-25 | 2017-11-02 | Siemens Aktiengesellschaft | Hybrid rotor blade or guide blade and method for the production thereof |
| JP2019094796A (en) * | 2017-11-20 | 2019-06-20 | 東レ・カーボンマジック株式会社 | Airfoil |
| CN108757270A (en) * | 2018-07-10 | 2018-11-06 | 江苏新扬新材料股份有限公司 | Integrated molding composite material blade structure |
| CN109139549A (en) * | 2018-08-08 | 2019-01-04 | 合肥通用机械研究院有限公司 | A kind of carbon fiber axle axial flow fan blade device of wear resistant corrosion resistant |
| CN109624369A (en) * | 2018-12-07 | 2019-04-16 | 江苏新扬新材料股份有限公司 | A kind of preparation method of coldblade |
| CN212429304U (en) * | 2019-12-03 | 2021-01-29 | 惠阳航空螺旋桨有限责任公司 | Anti-icing wind tunnel blade |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115163555B (en) | 2024-02-13 |
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Inventor after: Ma Tingting Inventor after: Han Xu Inventor after: Xiao Weihua Inventor after: Liu Yu Inventor after: Ma Ting Inventor after: Zhang Chen Inventor after: He Yuanqing Inventor after: Wang Ying Inventor before: Li Jun Inventor before: Han Xu Inventor before: Xiao Weihua Inventor before: Liu Yu Inventor before: Ma Ting Inventor before: Zhang Chen Inventor before: He Yuanqing Inventor before: Wang Ying |
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Correction item: Inventor Correct: Li Jun|Han Xu|Xiao Weihua|Liu Yu|Ma Ting|Zhang Chen|He Yuanqing|Wang Ying False: Ma Tingting|Han Xu|Xiao Weihua|Liu Yu|Ma Ting|Zhang Chen|He Yuanqing|Wang Ying Number: 16-01 Volume: 40 |
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Inventor after: Li Jun Inventor after: Han Xu Inventor after: Xiao Weihua Inventor after: Liu Yu Inventor after: Ma Tingting Inventor after: Zhang Chen Inventor after: He Yuanqing Inventor after: Wang Ying Inventor before: Li Jun Inventor before: Han Xu Inventor before: Xiao Weihua Inventor before: Liu Yu Inventor before: Ma Ting Inventor before: Zhang Chen Inventor before: He Yuanqing Inventor before: Wang Ying |