WO2019157577A1 - Sistema e método de reforço de aeróstatos - Google Patents
Sistema e método de reforço de aeróstatos Download PDFInfo
- Publication number
- WO2019157577A1 WO2019157577A1 PCT/BR2018/050036 BR2018050036W WO2019157577A1 WO 2019157577 A1 WO2019157577 A1 WO 2019157577A1 BR 2018050036 W BR2018050036 W BR 2018050036W WO 2019157577 A1 WO2019157577 A1 WO 2019157577A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hydrogen
- management
- integration
- buoyancy
- structures
- Prior art date
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
- B64B1/58—Arrangements or construction of gas-bags; Filling arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
- B64B1/58—Arrangements or construction of gas-bags; Filling arrangements
- B64B1/60—Gas-bags surrounded by separate containers of inert gas
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
- C01B3/08—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents with metals
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Definitions
- [001] A new concept for lighter-than-air aircraft, bringing the concept of hydrogen safety to the material level and the architecture design at macro and micro scales. Moreover, the simplicity of the concept allows for a high degree of integrations that can make the implementation of hydrogen use practical.
- Aerostat is a lighter-than-air aircraft, aircraft that gain their elevation through the use of a floating gas. Aerostats gain their elevation through large envelopes filled with a lift gas that is less dense than the surrounding air.
- the two primary lift gases used by airships are hydrogen and helium.
- Helium on earth is relatively rare however, hydrogen is the third most abundant element on Earth's surface, mainly in the form of chemical compounds such as hydrocarbons and water.
- Hydrogen is the lightest element on earth, and can be obtained easily and economically, hydrogen has huge potential as a source of clean energy for future generation vehicles. Environmentally and climatically clean throughout the conversion chain, from production to use.
- a fault-resistant design that, in the event of a specific type of failure, responds in a manner that ceases or minimizes damage to structure to other equipment, the environment or people.
- System design avoids or mitigates the unsafe consequences of system failure.
- Several embodiments described herein allow for a safe use approach to fail-safe aerostat that leverages the exceptional properties of lattice structures, tensile integrity, membrane structures, and porous structures called computationally designed schwarzites. , while gaining its elevation through the use of hydrogen as a floating gas. The resulting combination of hydrogen economy, its environmental and climatic relevance, and lightness and structural strength, significantly increasing the potential of lighter-than-air aircraft to allow the spread of aerostat use.
- the present invention achieves this objective by providing a buoyancy platform comprising a fail-safe structure allowing the safe use of hydrogen as a flotation gas.
- This invention is directed to the structural architecture of aircraft lighter than air structures. Integration and Buoyancy Structures (EIF), terminals that provide a secure, modular buoyancy platform to provide a truly efficient, purpose-built architecture through multiple elevation interfaces with multidimensional platforms for the complete convergence of a lightweight, rugged architecture. and aerodynamics. EIF includes features to maximize design efficiency used in design and optimize management of structural and material resources throughout the multi-modular structure.
- a floating platform is provided according to the following considerations:
- a reinforcement and integration structure eg Shell Lace Structure, lattice-shell, Membrane structures, tensegrity structures, lattice structure, web-like structure and schwarzite structures
- a reinforcement and integration structure increase security, and allow adjustment of different pressures. in individual sessions.
- buoyancy platform that can also be modularly assembled by combining individual portions provided with buoyancy segments and optionally with integration and reinforcement structures or the like to provide the final platform.
- a hydrogen receptacle with a gas-tight cover element made of a pressure and fire resistant material and may be used with a connecting and integrating structure. Float bodies separated from one another and stationary joined together, providing one or more separate cells which can be filled with hydrogen.
- the structure can be either flexible material (eg flame resistant meta-aramid), rigid material (eg metal alloy nanostructures) or semi-rigid (eg airgel).
- flexible material eg flame resistant meta-aramid
- rigid material eg metal alloy nanostructures
- semi-rigid eg airgel
- the float platform of the present invention is not limited to aerostats, but can be used primarily for any purpose, e.g. such as launch and landing platforms, defense applications, surveillance, scientific, observational operations, equipment and machinery base, wind energy extraction, reduced impact forest management, performing tasks such as near space research, keeping costs well below Low earth orbit satellites, carry passengers, for tourists and scientific teams, weather measurements. Carry instrumentation, including radio transmission, network infrastructure, transportation, logistics and distribution, passenger transport, disaster relief, emergency and rescue services, forest protection, fire fighting, base equipment and devices. elevation and other purposes.
- a gas other than hydrogen can be used to fill the floating bodies.
- Other inexpensive gases, such as methane, carbon monoxide, ammonia and natural gas have even less lift capacity and are flammable, toxic, corrosive or all three (neon is even more expensive than helium, with less lift capacity). .
- Flotation body materials are not particularly limited.
- membranes made of metaramide polymer may be used to provide the required flexibility as well as sufficient pressure resistance and tensile strength while ensuring that expandability is limited in state. pressurized.
- the structure may be based on nanostructured metal alloys, carbon fiber, airgel or light weight material.
- Mechanical properties of the material include tensile strength, tensile stress, fatigue strength, crack strength and other characteristics.
- Another advantage of the invention is that the entire platform can be constructed of lightweight components.
- the Integration and Buoyancy Structures (EIF) approach combines ultra-rigid and ultra-strong materials (such as airgel and nanostructured metal alloys) that provide greater strength than conventional materials. Highly optimized beams allow for unprecedented degrees of freedom to adapt the mechanical performance of ultra-light lattice structures.
- the system will be characterized by a modular lattice structure model, where different material technologies such as airgel, metaramide, carbon fiber or films, nanostructured metal alloys and other new materials could be combined. on a common platform to complement each other in an ideal way for different environments and
- the structural architecture for the EIF terminal of the present invention is a set of robust solutions that provide a way to construct buoyancy lift platform through common modular components, which is technically called the "hydrogen cell (CH)". Integration and Buoyancy (EIF) in a more technical sense. "CH)”.
- CH hydroogen cell
- EIF Integration and Buoyancy
- the stiffening and integrating structure is manufactured to be prismatic in shape, and the float bodies are symmetrically arranged as honeycombs.
- Lattice structures provide high torsional stiffness and bending at low weight.
- honeycomb structure involves the controlled creation of internal boundaries to obstruct the displacement movement.
- Such strategies invariably compromise ductility, the ability of the material to deform, stretch or permanently change without breaking.
- Each aforementioned framework module is an open module that is extensible, upgradeable, reconfigurable, and removable.
- One embodiment of this invention is a system comprising a flotation structure comprising a gas compartment and a device booster that integrates one or more gas compartments lighter than air (Hydrogen Cells).
- the hydrogen cell (CH) structure architecture of the present invention is one or a group of open structural modules that are obviously variable, mutually inclusive and capable of being used as units or in combined as a system for future aerostat design, based on modular architecture technology, so that the structure can support different safety standards and integrate the various modular parts into a flexible and cost-effective architecture.
- lattice structures can be thought of as any repetitive cellular structure, with a repeating topology or basic structure - consistently or with some variation. Lattice structures offer a method to significantly reduce this complexity. Using a common cellular topology to fill the design space.
- Honeycomb structures are structures that have the geometry of a honeycomb to allow minimizing the amount of material used to achieve minimum weight and minimum material cost. The geometry of honeycomb structures can vary widely, but the common feature of all these structures is a matrix of hollow cells formed between thin vertical walls. The cells are generally columnar and hexagonal in shape.
- bones can evolve with slightly different shapes, sizes and angles. They have increased weight resistance in several directions: vertical, horizontal and diagonal - and this internal variability makes bones more resilient when accidents occur.
- the bones are solid on the outside, but empty internally. This makes them light and easy to move, but also extremely firm. For this purpose, although it has a rather rigid outer surface.
- the macro and micro design partition which includes lattice structures connecting the larger perimeter, creates a strong and efficient structure between two fixed points.
- the micro elements of the partition mimic bird bone, filling open spaces with grid structures.
- the resulting design is a web-type pattern that forms a network of load-bearing optimized points.
- the final configuration requires minimal material, the walls should be as light as possible and consume the least amount of space and ensure the amount of three dimensional space enclosed for hydrogen gas.
- Tensegrity structures are based on the combination of a few simple design patterns: members loaded only in pure compression or pure tension, which allows the cables to be rigid in tension, with mechanical stability, allowing the members to remain in tension / compression as stress on the structure increases.
- Shell structure Single surface structural technique called shell structure, Shell Lace Structure, lattice-shell.
- Structural and fabrication technique combines digital modeling, digital analysis with cost-effective laser cutting fabrication, turning flat sheet materials into lightweight self-supporting structures. Iterative analysis produces highly efficient structures that respond to the environment and minimize weight and waste.
- Shell Lace Structures is optimized through curvature, ripples and perforations. The technique is inspired by nature; Shells gain strength from curvilinear geometry growing in thin layers over time, just where they need it. Bends, along with undulations, create rigidity. Perforations minimize weight by removing material where the structure does not require strength, bringing lightness. This facilitates the production of the inventive platform, because only a few different modules can then be specifically combined to provide the most suitable platform for the designated project.
- membrane structures may also be provided within the float bodies.
- Membrane structures are spatial structures made of strained membranes. Structural use of membranes can be divided into pneumatic structures, tensile membrane structures and cable domes. In these three types of structure, membranes work together with cables, columns and other building members to find shape.
- FIG. 1 is a functional block diagram of a system in which the present invention may operate
- FIG. 2 is a cross-sectional view of a plurality of hydrogen cells having a lattice structure according to an exemplary embodiment of the present invention
- FIG. 3 is a schematic diagram of a plurality of hydrogen cells having a lattice structure according to an exemplary embodiment of the present invention
- FIG. 4 is a cross-sectional view of a basic hexagon-shaped hydrogen cell according to an exemplary geometry-based diversity embodiment of the present invention
- FIG. 5 is a cross-sectional view of a plurality of hydrogen cells having a lattice structure in accordance with an exemplary embodiment of the present invention
- FIG. 6a is a partial perspective view of a plurality of hydrogen cells according to the exemplary embodiment of the present invention
- FIG. 6b is a cross-sectional view of a plurality of reinforcement and integration structures in accordance with an exemplary embodiment of the present invention
- FIG. 7 is a perspective view of a plurality of reinforcement and integration structure according to an exemplary embodiment of the present invention.
- FIG. 8 is a cross-sectional view of a plurality of reinforcement and integration structures according to an exemplary embodiment of the present invention
- FIG. 9a and 9b are a diagram of the wall surface of a plurality of reinforcing and integrating structure according to an exemplary embodiment of the present invention.
- FIG. 9c is a perspective view of a stiffening and integrating structure according to an exemplary embodiment of the present invention.
- FIG. 10a is a perspective view of a plurality of reinforcement and integration structures according to an exemplary embodiment of the present invention.
- FIG. 10b is a partial perspective view of a plurality of reinforcement and integration structure according to an exemplary embodiment of the present invention.
- FIG. 11 is a cross-sectional view of a plurality of reinforcement and integration structure according to an exemplary embodiment of the present invention. DETAILED DESCRIPTION
- the Hydrogen Cell may be treated as an isolated structure.
- the boundary conditions imposed by a grid grid are known to substantially impact the amount of energy that can be produced by explosion and the rate of material deformation of the panels should be considered.
- the cell resists beyond the limits of anticipated fire and explosion conditions, lateral pressure exerted by the approach, explosion or fire cannot be transmitted from one float body to the next, as is the case when divisions by partition walls are provided
- the different buoyancy that arises in one or more chambers thus provides the platform with buoyancy stability.
- one or more Hydrogen (CH) Cells may be attached to the Booster and Integration element, e.g. lattice structure of a material with low density and high strength, eg. nanostructured metal alloys.
- the method describes a modular reconfiguration scheme of one or more networked hydrogen cells capable of changing their interconnections.
- An example provided is a set of hydrogen cells having a high security hydrogen stored therein and can, for example, be manufactured to have a prismatic shape arranged orthogonally regularly and arranged in an integral reinforcement structure manufactured in a lattice form.
- An object of the present invention is to provide a new type of hydrogen cells with very high volume efficiency while being able to withstand gas pressure and change pressure while making cells possible. of any size with modular extension in any of three spatial directions.
- another object of the present invention is to provide a buoyancy structure that includes high volume efficiency and to prevent fire or explosion in a cell from spreading, allowing the integration of a secondary reinforcement structure.
- Another object of the invention is to provide a container that is suitable for allowing buoyancy control.
- Still another object is to provide a concept of cells that is modular and scalable to any size through repetitive and modular elements.
- the basic hexagonal shape can be modified into more general prismatic shapes.
- the resulting designs are optimized for performance and weight and can be as rigid or flexible as necessary for the purpose. Intended application, all designed to provide flexible and customized options for a small cost and a lighter-than-air aircraft for high safety.
- the generative design process which centers around the computing power of finding designer-optimized parameter-based design solutions, is not only a way to increase design quality and performance, but is also capable of dramatically reduce costs and materials in an effort to optimize manufacturing strategies.
- the modular hydrogen cell (CH) structure has its own internal microcontroller that records relevant physical parameters such as temperature and the fluctuation state of the cell.
- each hydrogen (CH) cell knows what condition it is in.
- the hydrogen cell (CH) communicates with each other via wireless wiring or hydrogen cell (CH) wiring.
- They can also communicate with other devices, such as the onboard computer, which uses cell data to calculate the amount of buoyancy that the hydrogen cell (CH) has, the state of the cell. If one cell is empty but the others still have hydrogen stored, the aerostat need not stop, since a smaller capacity hydrogen cell (CH) hardly affects the overall amplitude of an Integration and Buoyancy Structures (EIF).
- EIF Integration and Buoyancy Structures
- the empty hydrogen cell simply detaches from the group, acting as a bypass. The others continue to supply hydrogen, and the empty cells are replaced, and if a hydrogen cell (CH) malfunctions, it is not necessary to take the aircraft to the workshop. Since the aerostat can have more than one cell, it does not depend on any individual cell. And in one repair, just replace the single hydrogen cell (CH).
- CH hydrogen cell
- the intelligent control network will feel the needs and adapt to the perfect fit, offering volume control, temperature, pressure, hydrogen, stability, buoyancy and flight control as required.
- the integration system can be compared to the neural network, with a pulsating intelligence network through the Integration and Buoyancy Framework (EIF).
- EIF Integration and Buoyancy Framework
- the structure may further comprise multiple sensors such as altitude sensor, position sensor and actuator to provide specified buoyancy control and flight control, a control system that accompanies the computer vision system, which combines data from all sensors, monitoring their weaknesses, a module, or subsystem whose purpose is to detect events or changes in their environment and send the information to other electronic components.
- the Integration and Buoyancy Framework comes with fully redundant systems, meaning that if one fails, the other is ready to back up, it must protect itself against mishaps. This is the significance of EIF redundant mechanical systems, flight systems, buoyancy systems, sensor systems, and computer systems.
- the object of the present invention is therefore the provision of a buoyancy platform with an Intelligent Structural Control Response System, buoyancy properties and particularly having better protection against effects due to flammability. and to explosive reactions.
- intelligent control would regulate aerostat buoyancy, thus having a dynamic response like an intelligent hydrogen network - each cell can change in seconds - and can react dynamically to different levels of buoyancy throughout flight, This means that aerostat buoyancy levels would remain constant during variations in atmospheric pressure and temperature.
- EIF Integration and Buoyancy
- One of the goals of the Integration and Buoyancy (EIF) framework is to design an intelligent adjustable architecture with a network to control the buoyancy, temperature, pressure, humidity, stability and flight control of the aerostat. Pumping hydrogen through a channel network allows the buoyancy control of functional modules. Channels can be compared to the cardiovascular system, for example.
- the Integration and Buoyancy Structure (EIF) and the responsive hydrogen cell (CH) combine isolation, coverage and structural protection (subject to stress and strain) with an integrated network that pulses through it, which can identify and respond to the specific needs of each CH.
- the lattice and honeycomb structure and the integration network will create the perfect combination of strength, lightness and space. It is light and strong, because its network structure has voltage only when necessary, leaving space available. When using lattice structures, the structure has the necessary strength, but can also take advantage of extra space when needed.
- a slot in a hydrogen cell will not damage the Integration and Buoyancy Structure (EIF) assembly because it has a chain of other hydrogen cells to back up.
- the grid can redirect hydrogen from one cell to another. Hydrogen can focus on special cells for volume control.
- the structure called the Integration and Buoyancy Structure (EIF)
- EIF Integration and Buoyancy Structure
- the structure is a 3D open cell structure composed of structures. delattice, tensegrity or membrane structures of interconnected hollow cells.
- the material's cellular architecture gives rise to unprecedented mechanical behavior for an aerostat, including recovery of compression stress and high energy absorption, vibration or shock energy damping.
- system performance enhancement is achieved using hydrogen exchange channels, fluidic cells and a series of ducts, channeled through the system as a fluidic hydrogen grid.
- pipe connections extend from at least one device for generating pressurized hydrogen to provide a uniform deposit in the float bodies.
- the channels may be incorporated into hard or soft materials, depending on their intended use.
- the consciousness and shape of a soft, stretchy film is better suited for integration into a membrane structure than rigid, which in turn is better for a lattice structure platform.
- integrating lightweight longitudinal structures such as channels may be added between the panels, giving the internal structure the appearance of a huge bird cage or web-like structure.
- flotation bodies may, if their construction does not allow otherwise, have pressure relief valves to prevent over stretching to prevent rupture of the flotation bodies in the event of damage or overpressure.
- a membrane-coated cover controls the amount of UV radiation, humidity, gas permeability, and temperature.
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
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Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA3018303A CA3018303A1 (en) | 2018-02-19 | 2018-02-19 | System and method for reinforcing aerostats |
AU2018236784A AU2018236784A1 (en) | 2018-02-19 | 2018-02-19 | System and method for reforcing aerostats |
CN201880001513.0A CN110799417A (zh) | 2018-02-19 | 2018-02-19 | 用于加强浮空器的***和方法 |
KR1020187028141A KR20200121927A (ko) | 2018-02-19 | 2018-02-19 | 비행기구들을 보강하기 위한 시스템 및 방법 |
RU2018134311A RU2018134311A (ru) | 2018-02-19 | 2018-02-19 | Система и способ усиления аэростата |
GB1817617.2A GB2573354A (en) | 2018-02-19 | 2018-02-19 | Aerostat reinforcement system and method |
JP2018563719A JP2021514318A (ja) | 2018-02-19 | 2018-02-19 | 軽航空機を強化するためのシステム及び方法 |
EP18783355.3A EP3552949B1 (en) | 2018-02-19 | 2018-02-19 | Aerostat reinforcement system and method |
US16/090,690 US11046412B2 (en) | 2018-02-19 | 2018-02-19 | System and method for reinforcing aerostats |
PCT/BR2018/050036 WO2019157577A1 (pt) | 2018-02-19 | 2018-02-19 | Sistema e método de reforço de aeróstatos |
IL261972A IL261972A (en) | 2018-02-19 | 2018-09-26 | System and method for reinforcing aerostats |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/BR2018/050036 WO2019157577A1 (pt) | 2018-02-19 | 2018-02-19 | Sistema e método de reforço de aeróstatos |
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WO2019157577A1 true WO2019157577A1 (pt) | 2019-08-22 |
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PCT/BR2018/050036 WO2019157577A1 (pt) | 2018-02-19 | 2018-02-19 | Sistema e método de reforço de aeróstatos |
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Country | Link |
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US (1) | US11046412B2 (pt) |
EP (1) | EP3552949B1 (pt) |
JP (1) | JP2021514318A (pt) |
KR (1) | KR20200121927A (pt) |
CN (1) | CN110799417A (pt) |
AU (1) | AU2018236784A1 (pt) |
CA (1) | CA3018303A1 (pt) |
GB (1) | GB2573354A (pt) |
IL (1) | IL261972A (pt) |
RU (1) | RU2018134311A (pt) |
WO (1) | WO2019157577A1 (pt) |
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KR20220039158A (ko) | 2020-09-22 | 2022-03-29 | 주식회사 엘지에너지솔루션 | 전지셀의 수명이 향상된 전지 팩 및 이를 포함하는 디바이스 |
FR3120798A1 (fr) * | 2021-03-16 | 2022-09-23 | Safran Nacelles | Structure treillis d’aéronef permettant d’éviter la propagation d’un feu et aéronef |
KR102505650B1 (ko) | 2021-10-21 | 2023-03-03 | 한국생산기술연구원 | 염가 및 고기능 3d 프린팅 부품의 제작방법 및 이를 이용한 염가 및 고기능 3d 프린팅 부품 |
KR102447725B1 (ko) * | 2021-12-31 | 2022-09-27 | 한국과학기술연구원 | 신축 균일도가 향상된 신축성 기판 및 그 제조 방법 |
KR102447724B1 (ko) * | 2021-12-31 | 2022-09-27 | 한국과학기술연구원 | 신축 균일도가 향상된 신축성 기판 및 그 제조 방법 |
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- 2018-02-19 GB GB1817617.2A patent/GB2573354A/en not_active Withdrawn
- 2018-02-19 EP EP18783355.3A patent/EP3552949B1/en active Active
- 2018-02-19 KR KR1020187028141A patent/KR20200121927A/ko unknown
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- 2018-02-19 CN CN201880001513.0A patent/CN110799417A/zh active Pending
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JP2021514318A (ja) | 2021-06-10 |
RU2018134311A3 (pt) | 2022-03-21 |
IL261972A (en) | 2019-02-28 |
CA3018303A1 (en) | 2019-08-19 |
AU2018236784A1 (en) | 2019-09-05 |
CN110799417A (zh) | 2020-02-14 |
GB201817617D0 (en) | 2018-12-12 |
EP3552949A4 (en) | 2019-10-23 |
EP3552949A1 (en) | 2019-10-16 |
US20200361590A1 (en) | 2020-11-19 |
GB2573354A (en) | 2019-11-06 |
KR20200121927A (ko) | 2020-10-27 |
EP3552949B1 (en) | 2021-08-25 |
US11046412B2 (en) | 2021-06-29 |
RU2018134311A (ru) | 2022-03-21 |
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