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公开(公告)号：US20220099020A1
公开(公告)日：2022-03-31
申请号：US17487575
申请日：2021-09-28
申请人： ROLLS-ROYCE plc
发明人： Chloe J. PALMER
摘要： A hydrogen fuel vaporiser (218) is shown for vaporising cryogenically-stored hydrogen fuel prior to injection into a gas turbine engine. The vaporiser (218) comprises a fuel offtake (301) configured and arranged to divert a portion of hydrogen fuel from a main fuel conduit (217), a burner (303) configured and arranged to burn the portion of hydrogen fuel diverted from the main fuel conduit (217), and a heat exchanger configured and arranged to transfer heat produced by the burner to hydrogen fuel in the main fuel conduit (217).
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公开(公告)号：US11287128B2
公开(公告)日：2022-03-29
申请号：US16722780
申请日：2019-12-20
申请人： Carrier Corporation
发明人： Robert Shaw
摘要： A gas manifold assembly for delivering fuel from a fuel source to a burner assembly includes a gas manifold tube configured to deliver fuel from the fuel source and a stub tube mounted to and arranged in fluid communication with the burner assembly. An end of the gas manifold tube is connectable to the stub tube to form a slip joint.
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公开(公告)号：US11226096B2
公开(公告)日：2022-01-18
申请号：US15341234
申请日：2016-11-02
发明人： Jingshou He , Huijian He , Verlon D. Downing
摘要： Disclosed is a dual-fuel heater having one or more thermocouples that operate a control valve that, in turn, controls whether fuel is distributed from a regulator to a burner based on the signal generated by the thermocouple(s). Further disclosed is a primary fuel selector valve that selects the fuel being used based on the operation of a user. The primary fuel selector valve provides fuel to the control valve upstream from the thermocouples, allowing for upstream control mechanisms such as a slave valve, to control the flow of fuel to the control valve.
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公开(公告)号：US11199327B2
公开(公告)日：2021-12-14
申请号：US15869552
申请日：2018-01-12
IPC分类号： F23R3/36 , F23L7/00 , F23N1/00 , F02C9/40 , F23D14/32 , F02C9/28 , F23N5/24 , F23N3/00 , F02C3/30 , F02C3/20 , F23C1/00 , F23K5/00 , F23N1/02 , F23N5/26
摘要： The present disclosure relates to systems and methods that are useful for controlling one or more aspects of a power production plant. More particularly, the disclosure relates to power production plants and methods of carrying out a power production method utilizing different fuel chemistries. Combustion of the different fuel mixtures can be controlled so that a defined set of combustion characteristics remains substantially constant across a range of different fuel chemistries.
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公开(公告)号：US11193671B2
公开(公告)日：2021-12-07
申请号：US16179040
申请日：2018-11-02
摘要： A fuel oxygen conversion unit includes a contactor defining a liquid fuel inlet, a stripping gas inlet and a fuel/gas mixture outlet; and a fuel gas separator defining a fuel/gas mixture inlet in flow communication with the fuel/gas mixture outlet of the contactor and an axis. The fuel gas separator further includes a stationary casing; and a separator assembly including a core and a plurality of paddles extending from the core, the separator assembly rotatable about the axis within the stationary casing to separate a fuel/gas mixture received through the fuel/gas mixture inlet into a liquid fuel flow and stripping gas flow.
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公开(公告)号：US20210356173A1
公开(公告)日：2021-11-18
申请号：US17368881
申请日：2021-07-07
申请人： Claude Lesage
发明人： Claude Lesage
摘要： A system and a method is described for remotely controlling gas consumption by a power vented gas-fired water heater to reduce consumption of gas by a consumer connected to a gas distribution bank network of a gas provider during overload periods where gas demand is at a peak. The system comprises a consumer controller in communication with the gas provider whereby the controller can operate a modulating gas control valve either directly or through the control of the fan speed of a power vented blower to reduce the supply of gas to the burner of the gas-fired water heater when asked by the provider to do so. Temperature sensors are associated with the water holding tank of the gas-fired water heater to feed water temperature signals to a computer of the controller whereby to enable the controller to execute informed corrective action for the reduction in gas consumption by regulating the gas control valve to reduce the supply of gas to the burner of the water heater.
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公开(公告)号：US20210356125A1
公开(公告)日：2021-11-18
申请号：US17132060
申请日：2020-12-23
申请人： IMERTEC SAS
摘要： Mineral additives and a method for operating a waste-to-energy furnace are provided in order to improve its operational performance and availability, increase the lifetime of the combustor building materials (refractory walls and heat-exchanger metallic tubes) and flue gas treatment equipment, improve ash quality, reduce emissions and avoid combustion problems such as agglomeration, slagging, deposition, and corrosion. A method for operating a waste-to-energy furnace, such as a fluidized bed reactor, pulverized-fuel combustor, grate combustor includes introducing mineral additive into the furnace. The method further includes heating at least a portion of the mineral additive either intimately in contact with the fuel, such that the ability of mineral additive to induce crystallization of the surface of forming ashes is enhanced, or minimizing the contact of the mineral additive with the fuel and the forming ashes, such that the solid-gas reactions between the mineral additive and the volatile compounds in the flue gas are favored and the mineral additive power to capture at least a portion of the inorganic volatile compounds present in the furnace is enhanced.
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公开(公告)号：US20210332977A1
公开(公告)日：2021-10-28
申请号：US17370096
申请日：2021-07-08
申请人： NOx II, Ltd.
发明人： Douglas C. COMRIE
IPC分类号： F23J7/00 , C10L10/02 , B01D53/50 , B01D53/64 , C04B18/06 , C04B28/04 , C04B40/00 , C10L9/10 , F23K1/00 , C10L10/00 , F23J15/00
摘要： Sorbent components containing halogen, calcium, alumina, and silica are used in combination during coal combustion to produce environmental benefits. Sorbents such as calcium bromide are added to the coal ahead of combustion and other components are added into the flame or downstream of the flame, preferably at minimum temperatures to assure complete formation of the refractory structures that result in various advantages of the methods. When used together, the components reduce emissions of elemental and oxidized mercury; increase the level of Hg, As, Pb, and/or Cl in the coal ash; decrease the levels of leachable heavy metals (such as Hg) in the ash, preferably to levels below the detectable limits; and make a highly cementitious ash product.
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公开(公告)号：US20210276898A1
公开(公告)日：2021-09-09
申请号：US17249505
申请日：2021-03-03
摘要： A charging system for charging a reactor with air used energy produced by the reactor and includes a vessel having a hollow interior cavity partially filled with a liquid slug, a first air pocket within the cavity on a first side of the liquid slug, and a second air pocket within the cavity on a second side of the liquid slug. The liquid slug forms a water trap seal in the cavity between the two pockets and moves within the vessel in a cycle in which gas is loaded into the first air pocket in a first stroke and gas in the first air pocket is compressed in a second stroke. Movement of the liquid slug during the second stroke is caused by an increasing pressure in the second air pocket due to introduction of high-pressure gas from the reactor into the second air pocket.
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公开(公告)号：US11111448B1
公开(公告)日：2021-09-07
申请号：US16277627
申请日：2019-02-15
摘要： Endothermic fuel compositions comprising 50% or more by volume decahydronaphthalene, including cis-decahydronaphthalene, trans-decahydronaphthalene or a mixture thereof, for use as fuels in hypersonic vehicles and particularly for use in dual-mode ramjet or supersonic combustion ramjet air breathing engines.
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