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公开(公告)号：US11629396B2
公开(公告)日：2023-04-18
申请号：US17134757
申请日：2020-12-28
申请人： LTAG SYSTEMS LLC
发明人： Jonathan T. Slocum
IPC分类号： C23C2/02 , C23C2/04 , C23C2/14 , H01M8/065 , H01M8/04082
摘要： Aluminum can be used as a fuel source when reacted with water if its native surrounding oxide coating is penetrated with a gallium-based eutectic. When discrete aluminum objects are treated in a heated bath of eutectic, the eutectic penetrates the oxide coating. After the aluminum objects are treated, the aluminum objects can be reacted in a reactor to produce hydrogen which can, for example, react with oxygen in a fuel cell to produce electricity, for use in a variety of applications.
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公开(公告)号：US20210237843A1
公开(公告)日：2021-08-05
申请号：US17233781
申请日：2021-04-19
申请人： LTAG SYSTEMS LLC
摘要： Devices, systems, and methods are directed to controlling lifting gas in a volume defined by an inflatable structure of an aircraft. For example, controlling lifting gas in the volume of the inflatable structure may account for variations in ambient and tactical conditions experienced by the aircraft over the course of flight, as may be useful for lifting the aircraft to a target altitude and/or carrying out a particular mission. Additionally, or alternatively, controlling lifting gas in the volume of the inflatable structure may facilitate lifting the aircraft using lifting gas generated by reacting stable materials with one another at a launch site in the field. As an example, aluminum may react with water to form a lifting gas including hydrogen and steam. As the steam condenses to water in the inflatable structure, a valve may expel water from the inflatable structure to assist in maintaining buoyancy of the aircraft.
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公开(公告)号：US10745789B2
公开(公告)日：2020-08-18
申请号：US15171053
申请日：2016-06-02
申请人： LTAG Systems LLC
摘要： Aluminum can be used as a fuel source when reacted with water if its native surrounding oxide coating is penetrated with a gallium-based eutectic. When discrete aluminum objects are treated in a heated bath of eutectic, the eutectic penetrates the oxide coating. After the aluminum objects are treated, the aluminum objects can be reacted in a reactor to produce hydrogen which can, for example, react with oxygen in a fuel cell to produce electricity, for use in a variety of applications.
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公开(公告)号：US11772062B1
公开(公告)日：2023-10-03
申请号：US17685765
申请日：2022-03-03
申请人： LTAG SYSTEMS LLC
CPC分类号： B01J19/002 , B01J7/02 , B01J19/006 , B01J19/248 , B01J19/2445 , C01B3/10 , B01J2219/0009 , B01J2219/00164 , B01J2219/00765 , B01J2219/1942 , B01J2219/1946
摘要： A system for controlling contamination in hydrogen production from water-reactive aluminum includes at least one reaction vessel. For example, each reaction vessel may include a container, a conduit, and a plurality of baffles. The container may define a volume, and the conduit may define an orifice outside of the container and spaced away from the container. The plurality of baffles may be disposed in the volume to form a tortuous flow path through the volume to the orifice of the conduit to facilitate rapid production of a large quantity of hydrogen from water-reactive aluminum while reducing the likelihood that ejecta, aerosols, or a combination thereof, may escape the reaction vessel to interfere with end-use of the hydrogen produced.
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公开(公告)号：US20230159149A1
公开(公告)日：2023-05-25
申请号：US17967818
申请日：2022-10-17
申请人： LTAG SYSTEMS LLC
摘要： According to one aspect, a reactor for generating lifting gas may include a first port, a second port, a coupling releasably securable in fluid communication with an aerostat, and a tank including a base and a crown defining at least a portion of a chamber therebetween, the first port and the coupling each supported on the crown, the second port supported on the tank away from the crown, the chamber in fluid communication with each one of the first port, the second port, and the coupling, the chamber expandable between the crown and the base from an uninflated state to an inflated state and, with the tank in the inflated state, a maximum height of the chamber less than a maximum dimension of the base.
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公开(公告)号：US11603587B2
公开(公告)日：2023-03-14
申请号：US16804643
申请日：2020-02-28
申请人： LTAG Systems LLC
IPC分类号： C23C2/02 , C23C2/04 , C23C2/14 , H01M8/065 , H01M8/04082
摘要： Aluminum can be used as a fuel source when reacted with water if its native surrounding oxide coating is penetrated with a gallium-based eutectic. When discrete aluminum objects are treated in a heated bath of eutectic, the eutectic penetrates the oxide coating. After the aluminum objects are treated, the aluminum objects can be reacted in a reactor to produce hydrogen which can, for example, react with oxygen in a fuel cell to produce electricity, for use in a variety of applications.
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公开(公告)号：US11111141B1
公开(公告)日：2021-09-07
申请号：US17115437
申请日：2020-12-08
申请人： LTAG SYSTEMS LLC
摘要： A system for hydrogen formation includes a container and at least one object. The container defines a reservoir and is flexible along the reservoir. The container forms a gas-tight seal between the reservoir and an atmosphere outside of the container. The at least one object includes aluminum in an activated form. The at least one object is disposed in an inert environment in the reservoir, and the activated form of the aluminum reactable to produce hydrogen in the reservoir upon exposure to water.
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公开(公告)号：US20240286894A1
公开(公告)日：2024-08-29
申请号：US18498815
申请日：2023-10-31
申请人： LTAG SYSTEMS LLC
IPC分类号： C01B3/08
CPC分类号： C01B3/08
摘要： Materials, kits, and methods are directed to controlling reactability of activated aluminum to produce hydrogen when exposed to water. For example, a moisture-stabilized material may be treatable with one or more additives to form a water-reactive source of hydrogen. The moisture-stabilized material may include a bulk volume including aluminum, at least one activation metal disposed along the aluminum within the bulk volume, the at least one activation metal more noble than the aluminum, and a salt along at least an outer surface of the bulk volume, the salt dissolvable in water to form an ion-containing solution at a rate faster than a reaction rate of water with the aluminum of the bulk volume.
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公开(公告)号：US11986877B1
公开(公告)日：2024-05-21
申请号：US17118335
申请日：2020-12-10
申请人： LTAG SYSTEMS LLC
IPC分类号： B21F15/04 , B21C1/00 , B21C37/04 , C21D8/02 , D04C1/12 , B21C23/24 , B21J1/02 , C23C2/38 , C23C4/16
CPC分类号： B21F15/04 , B21C1/00 , B21C37/045 , C21D8/0236 , D04C1/12 , B21C23/24 , B21C37/042 , B21J1/02 , C23C2/38 , C23C4/16 , D10B2101/20
摘要： A composite object for the production of hydrogen from water-reactive aluminum may include a first portion including an aluminum alloy having a non-recrystallized grain structure, and a second portion including an activation metal corrodible to the aluminum alloy, wherein the second portion and the first portion are coupled to one another with the activation metal of the second portion in contact with the aluminum alloy of the first portion at a plurality of points of contact stress, and the activation metal of the second portion is penetrable into the non-recrystallized grain structure of the aluminum alloy of the first portion via the addition of heat.
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公开(公告)号：US11866196B1
公开(公告)日：2024-01-09
申请号：US17832318
申请日：2022-06-03
申请人： LTAG SYSTEMS LLC
CPC分类号： B64D5/00 , B64B1/50 , B64C39/024 , B64U10/13 , B64U10/25 , B64U10/30 , B64U50/34 , B64U70/20
摘要： According to one aspect, a system for midair deployment of payload may include an aerostat including an inflatable structure, at least one tether, and a trigger, the at least one tether extending between the inflatable structure and the trigger, and at least one unmanned aerial vehicle (UAV) including wings, the at least one tether mechanically coupling the at least one UAV to the inflatable structure, and the trigger actuatable to release mechanical coupling of the at least one tether between the at least one UAV and the inflatable structure in midair.
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