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公开(公告)号：US20220200029A1
公开(公告)日：2022-06-23
申请号：US17558519
申请日：2021-12-21
IPC分类号： H01M8/0612 , H01M8/0662 , C01B17/04 , C25B1/04 , C01B17/50 , B63G8/00
摘要： A method of generating electricity in a body of water includes providing a colony of sulfur-reducing bacteria, a colony of sulfur-oxidizing bacteria, and a colony of denitrifying bacteria submerged in the body of water. The colony of sulfur-reducing bacteria can be used to convert at least a portion of sulfates present in the body of water to hydrogen sulfide. The colony of sulfur-oxidizing bacteria can be used to convert the hydrogen sulfide to sulfuric acid, which can react with manganese to produce hydrogen gas. The colony of denitrifying bacteria can be used to convert at least a portion of nitrogen oxides in the body of water to nitrogen gas, which can be bubbled through a portion of water from the body of water to remove dissolved oxygen gas. The hydrogen gas and oxygen gas can be combined in a fuel cell generator to generate electricity.
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公开(公告)号：US20230041341A1
公开(公告)日：2023-02-09
申请号：US17507540
申请日：2021-10-21
摘要： A pump-less buoyancy engine for an autonomous underwater vehicle (AUV) includes a buoyancy reduction structure without a hydraulic pump for reducing the buoyancy of the AUV to cause the AUV to descend in the water; and a weight dropping structure for dropping prepackaged weights out of the AUV to cause the AUV to ascend in the water, where the AUV moves forward when descending and ascending.
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公开(公告)号：US20220194833A1
公开(公告)日：2022-06-23
申请号：US17558517
申请日：2021-12-21
IPC分类号： C02F3/30 , C02F3/34 , C02F1/20 , H01M8/0606
摘要： A method of separating oxygen from a body of water includes providing a colony of denitrifying bacteria submerged in the body of water. The colony of denitrifying bacteria can be used to convert at least a portion of nitrogen oxides present in the body of water to nitrogen gas. The method can also include collecting the nitrogen gas and bubbling the nitrogen gas through a portion of water from the body of water to remove dissolved oxygen from the portion of water. This can form a mixture of the nitrogen gas and oxygen gas.
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公开(公告)号：US20240025537A1
公开(公告)日：2024-01-25
申请号：US17869067
申请日：2022-07-20
CPC分类号： B64C25/56 , B64D27/26 , B64F5/10 , B64C39/024
摘要： A system in a fixed-wing aircraft includes inflatable buoyant bags. Each of the inflatable buoyant bags is arranged to conformally cover a corresponding pylon attachment of the fixed-wing aircraft in a deflated state. The system also includes a tank storing pressurized gas and a controller to control inflow of the pressurized gas from the tank into the inflatable buoyant bags to increase buoyancy of the fixed-wing aircraft and to control outflow of the pressurized gas out of the inflatable buoyant bags to decrease buoyancy of the fixed-wing aircraft.
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公开(公告)号：US11655012B2
公开(公告)日：2023-05-23
申请号：US17507540
申请日：2021-10-21
摘要： A pump-less buoyancy engine for an autonomous underwater vehicle (AUV) includes a buoyancy reduction structure without a hydraulic pump for reducing the buoyancy of the AUV to cause the AUV to descend in the water; and a weight dropping structure for dropping prepackaged weights out of the AUV to cause the AUV to ascend in the water, where the AUV moves forward when descending and ascending.
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公开(公告)号：US20220194786A1
公开(公告)日：2022-06-23
申请号：US17558516
申请日：2021-12-21
摘要： A method of generating hydrogen gas includes providing a colony of sulfur-reducing bacteria and a colony of sulfur-oxidizing bacteria. The colonies can be submerged in a body of water. The colony of sulfur-reducing bacteria can be used to convert at least a portion of sulfates present in the body of water to hydrogen sulfide. The colony of sulfur-oxidizing bacteria can be used to convert the hydrogen sulfide to sulfuric acid. The sulfuric acid can react with manganese to produce hydrogen gas and manganese sulfate.
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