Patents Assigned to L'Air Liquide Société Anonyme Pour L'Étude
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Publication number: 20230194195Abstract: Method for cryogenic cooling of a first fluid by heat exchange with at least one second fluid in a heat exchanger, the first fluid and/or the second fluid being at a temperature between ?100° C. and ?273° C., wherein the heat exchanger is of the type with polymer microtubes, i.e. comprising a plurality of microtubes made of polymer and having a diameter of between 0.1 mm and 1 cm, one of the first and second fluids being circulated inside said microtubes while the other fluid is circulated around said microtubes.Type: ApplicationFiled: March 25, 2021Publication date: June 22, 2023Applicants: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges Claude, Air Liquide Advanced Technologies U.S. LLCInventors: Guillaume DELAUTRE, Loic JEUNESSE, Golo ZICK, Pierre BARJHOUX, Thomas GATES, James Timothy MACHERAS
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Publication number: 20230191359Abstract: The main subject of the present invention is a process for installing a section of packing in a casing by means of a device to assist installation of a section of packing, the casing comprising at least one tubular wall extending in a longitudinal direction (L) between two longitudinal ends, and an inner face of which participates in delimiting a receptacle for the section of packing, the tubular wall participating in delimiting an input opening at one of its longitudinal ends, the casing comprising a base wall positioned at the longitudinal end opposite the input opening, the casing being positioned horizontally during the process for installing the section of packing, the process comprising a step of fitting of the device to assist installation on the casing, during which the device to assist installation is secured in the vicinity of the input opening of the casing, a step of positioning of the section of packing relative to the device to assist installation and to the input opening, and at least one stepType: ApplicationFiled: December 19, 2022Publication date: June 22, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Vincent FAUCHER, Manuel DOS REIS, Vincent MARET, Luis TORBADO, Alain APPEL, Eric BIRET, Laurent LECLERC
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Publication number: 20230194160Abstract: The invention relates to a liquefied gas storage facility, in particular for liquid hydrogen, comprising a liquefied gas tank intended to contain gas in liquid form and a gaseous phase, a device for cooling the contents of the tank, the cooling device comprising at least a first refrigerator with a cycle for refrigerating a cycle gas, said first refrigerator comprising, arranged in series in a cycle circuit: a member for compressing the cycle gas, a member for cooling the cycle gas, a member for expanding the second cycle gas and a member for reheating the expanded cycle gas, the cooling device comprising a first heat transfer fluid loop comprising a first end exchanging heat with a cold end of the first refrigerator and a second end comprising a first heat exchanger located in the tank, the first heat transfer fluid loop comprising a member for circulating the heat transfer fluid, characterized in that the first heat exchanger exchanges heat directly with the inside of the tank, that is to say that the firstType: ApplicationFiled: March 23, 2021Publication date: June 22, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Francois LAGOUTTE, Jean-Marc BERNHARDT, Remi NICOLAS
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Patent number: 11680747Abstract: In a process for the combined production of a) a hydrogen-enriched gas and a carbon monoxide-enriched gas and/or b) a mixture of hydrogen and carbon monoxide by cryogenic distillation and scrubbing, a still liquor is extracted from a scrubbing column and sent to a stripping column, a still liquor is extracted from the stripping column and sent to a separating column for carbon monoxide and methane and a cooling fluid is used at a pressure greater than that of the head of the separating column for cooling at least one fluid extracted at an intermediate level from the scrubbing column.Type: GrantFiled: November 16, 2017Date of Patent: June 20, 2023Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Jean Billy, Axelle Gaertner, Antoine Hernandez, Jean-Marc Tsevery, Marie-Pascal Victor
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Patent number: 11679156Abstract: The disclosure relates to a manufactured composition, material or device comprising at least two different nonradioactive isotope atoms. Each nonradioactive isotope atom is present in an amount sufficient to increase the total amount of the nonradioactive isotope atom above the total amount found in the manufactured composition, material or device in the absence of adding the nonradioactive isotope atom to increase said total amount. The ratio(s) of the at least two nonradioactive isotopes in the manufactured composition, material or device are measurably different than the ratio(s) found in the manufactured composition, material or device in the absence of adding the nonradioactive isotope atom to increase said total amount.Type: GrantFiled: November 1, 2018Date of Patent: June 20, 2023Assignees: American Air Liquide, Inc., Airgas, Inc., L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Tracey Jacksier, Mani Matthew, Anthony W. Reccek, Jr., Martin Vasarhelyi, Vincent M. Omarjee
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Patent number: 11680746Abstract: Process and plant for the production of liquid hydrogen with a liquefier that has a variable cooling power dependent on the electrical power consumed. The liquefier is supplied with electricity by a first source of electricity at least one additional source of electricity that provides an intermittent or variable amount of electricity over time. Liquid hydrogen is produced at first thermodynamic conditions when the liquefier is supplied with a predetermined nominal electrical energy level and produced at subcooled conditions, with respect to the first thermodynamic conditions, when electricity supplied to the liquefier exceeds the nominal level.Type: GrantFiled: July 8, 2020Date of Patent: June 20, 2023Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Laurent Allidieres, Gregoire Rigout, Pierre Barjhoux, Pierre-Germain Marlier
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Patent number: 11679355Abstract: An adsorber for purifying or separating a gas stream, wherein a granular-material filling system is made up of a cylinder that is perforated over all or part of its height, of the top end thereof of diameter Dext, and of the bottom end thereof. The distance Din-Dext is greater than twice the size of particles of the second granular material. A first granular material and the second granular material follow one another in the direction of circulation of the gas stream and are such that M>ADN. And, the second granular material is in contact both with at least a part of the outer surface of the granular-material filling system and at least a part of the inner surface of the domed top end.Type: GrantFiled: February 11, 2019Date of Patent: June 20, 2023Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Guillaume Rodrigues, Bernard Fraioli, Patrick Pereira, Patrick Le Bot, Benjamin Morineau
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Patent number: 11673102Abstract: Apparatus for introducing a gas into a main medium, comprising: a main conduit for guiding the main medium, a multitude of injection lines for guiding the gas, wherein each of the injection lines has a respective end section with a respective outlet opening situated within the main conduit, and wherein the end sections are oriented essentially parallel to each other and to the main conduit. With the apparatus a gas can be introduced in particular into waste water for obtaining a biologically activated sludge. Thereby, interaction between the gas and the waste water can be particularly pronounced due to a particularly large liquid-gas-interface caused by particularly extensive turbulences. Further, shear stress acting on particles in the activated sludge can be advantageously low, thus avoiding damage of the biological particles.Type: GrantFiled: March 19, 2019Date of Patent: June 13, 2023Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Joerg Schwerdt, Jan Mante
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Patent number: 11673804Abstract: Proposed is a process and a plant for production of pure carbon monoxide and hydrogen by steam reforming of hydrocarbons, preferably methane or naphtha, to afford a raw synthesis gas and subsequent, multistage workup, purification and fractionation of the raw synthesis gas to afford the target products, wherein the material streams obtained as by-products of the process chain are also to be advantageously utilized. This is achieved according to the invention by providing the recirculating compressor provided for recycling of the by-product material streams with a plurality of parallel, independently operable compressor stages.Type: GrantFiled: March 25, 2021Date of Patent: June 13, 2023Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Jean-Philippe Tadiello, Yue Chen
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Patent number: 11673904Abstract: A method for synthesizing Pt(PF3)4 (CAS # 19529-53-4) comprises dissolving a platinum compound having a general formula, Pt(Hal)2(PF3)x, in an anhydrous solvent forming a Pt(Hal)2(PF3)x solution, wherein Hal=F, Cl, Br or I, x=1, 2, adding a metal powder and excess amount of PF3 into the Pt(Hal)2(PF3)x solution, and forming Pt(PF3)4 through a reaction between Pt(Hal)2(PF3)x, PF3 and the metal powder under a reaction condition. The method further comprises synthesizing Pt(Hal)2(PF3)xthrough the steps of dispersing a platinum precursor having a general formula, Pt(Hal)2, into the anhydrous solvent forming a suspension of Pt(Hal)2, wherein Hal=F, Cl, Br or I, introducing PF3 into the suspension of Pt(Hal)2, and forming the solution of the platinum compound Pt(Hal)2(PF3)xin the anhydrous solvent through a reaction of PF3 and Pt(Hal)2.Type: GrantFiled: December 9, 2021Date of Patent: June 13, 2023Assignee: L'Air Liquide, Societe Anonyme pour l'Etude Et l'Exploitation des Procedes Georges ClaudeInventors: Grigory Nikiforov, Nicolas Blasco
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Patent number: 11673805Abstract: The invention relates to a process for preparing hydrogen by reforming hydrocarbons with steam, and for separation of carbon dioxide. The process includes one endothermic and one autothermal reforming step for production of a synthesis gas stream, wherein heat generated in the autothermal reforming step is utilized for heating in the endothermic reforming step. The process also includes a step of converting the synthesis gas stream obtained for enrichment with hydrogen, a step of separating the hydrogen thus prepared by pressure swing adsorption, and a step of separation of carbon dioxide from the residual gas obtained in the pressure swing adsorption. The reforming units for the endothermal and autothermal reforming steps are arranged parallel to one another or in series.Type: GrantFiled: August 11, 2021Date of Patent: June 13, 2023Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Sophia Schmidt, Teja Schmid McGuinness
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Publication number: 20230173925Abstract: The disclosure generally describes a method for venting pressurized hydrogen gas from a device for simulating a refueling operation for a fuel cell electric vehicle (FCEV).Type: ApplicationFiled: December 7, 2021Publication date: June 8, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges ClaudeInventors: Samuel TROMPEZINSKI, Francis EYNARD
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Patent number: 11667526Abstract: Proposed are a process and a plant for producing a synthesis gas product stream having an adjustable H2/CO ratio and a pure hydrogen stream, wherein it is provided according to the invention that a substream of a deacidified synthesis gas stream is supplied to a membrane separation plant fitted with a hydrogen-selective membrane and the remaining substream is supplied to a pressure swing adsorption plant, wherein the latter affords a pure hydrogen stream and a fuel gas stream. The hydrogen-enriched permeate stream obtained from the membrane separation is likewise supplied to the pressure swing adsorption plant, thus enhancing the yield of pure hydrogen. The hydrogen-depleted retentate stream obtained from the membrane separation is discharged as a synthesis gas product stream and if of a suitable composition may be utilized as oxo gas.Type: GrantFiled: December 10, 2020Date of Patent: June 6, 2023Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventor: Joerg Ott
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Patent number: 11666717Abstract: A resuscitation bag system (1) useable for resuscitating a person in cardiac arrest, and having a gas control unit (90) with a first valve (92) fluidly connected to a first (922) and to a second conduit (923), the first (922) and second conduits (923) being arranged in parallel and further fluidly connected to the first conduit element (56), the first conduit (922) having a first flow restriction (924) configured for limiting the gas flow to a first flowrate, and the second conduit (923) comprising second flow restriction (925) configured for limiting the gas flow to a second flowrate, with the second flowrate being less than the first flowrate.Type: GrantFiled: May 21, 2020Date of Patent: June 6, 2023Assignees: Air Liquide Medical Systems, L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Thierry Boulanger, Jean-Christophe Richard
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Patent number: 11661653Abstract: Disclosed are vapor delivery systems comprise a housing body defining an interior volume therein, a plurality of flow resistors for receiving a carrier gas, to generate gas distribution lines in the interior volume, at least two surfaces having the solid or liquid precursor applied thereto to allow passage of the carrier gas thereover along the gas distribution lines to mix with a solid or liquid precursor vapor, a gas-collecting device downstream of the gas distribution lines to deliver a mixture of the carrier gas and the solid or liquid precursor vapor out of the system, and a flow controller fluidically connected to a carrier gas source to control a feed flow rate of the carrier gas feeding into the interior volume. A gas distribution flow rate along each gas distribution line is controlled by the feed flow rate of the carrier gas feeding into the interior volume.Type: GrantFiled: December 18, 2019Date of Patent: May 30, 2023Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventor: Yumin Liu
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Publication number: 20230160533Abstract: The present invention is at least industrially applicable to recovery of Hydrogen boil off gas during tube trailer refilling with liquid Hydrogen by a sequences of steps that redirects gaseous Hydrogen from the tube trailer to a Hydrogen liquefaction plant.Type: ApplicationFiled: November 23, 2021Publication date: May 25, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges ClaudeInventors: Bertrand DEMOLLIENS, Richard DUBETTIER, Teixeira GUILLAUME, Michael A. TURNEY
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Publication number: 20230160634Abstract: A pressurized CO2 rich gas is cooled down to condense at least part of the stream in a heat exchanger. A bulk of the CO2 is separated by partial condensation and distillation in order to obtain at least one non-condensable gas from a separation vessel. The non-condensable gas is optionally heated up to a temperature lower than ?20° C. (membranes performances is greatly enhanced by low temperature operation). The non-condensable gas is introduced into a membrane permeation unit, producing a residue stream and a permeate stream (the permeate stream is enriched in CO2). The permeate stream is recycled to the process, optionally after compression. The method is auto-refrigerated, i. e. no external refrigerant is used to provide cooling below 0° C.Type: ApplicationFiled: November 23, 2021Publication date: May 25, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges ClaudeInventors: Sandeep KARODE, Sudhir KULKARNI, Paul TERRIEN
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Publication number: 20230160537Abstract: A cryogenic fluid transfer device comprising a first tank, a second tank, and a fluid transfer circuit, wherein the first tank comprises a cryogenic fluid distribution tank configured to store a cryogenic fluid in a liquid phase in a lower part thereof and in a gaseous phase in an upper part thereof, wherein the second tank comprises a cryogenic receiving tank configured to house the cryogenic fluid in liquid phase in a lower part thereof and in gaseous phase in an upper part thereof, wherein the fluid transfer circuit is configured to connect the first and second tanks, the fluid transfer circuit comprising a first pipe connecting the upper parts of the first and second tanks and comprising at least one valve, and a second pipe connecting the lower part of the first tank to the second tank that comprises a pump that has an inlet connected to the first tank and an outlet connected to the second tank, wherein: the pump and the at least one valve of the first line are configured so as to ensure a fluidic connecType: ApplicationFiled: November 22, 2022Publication date: May 25, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Joshua LIGHT, Jerry HAYES, Laurent ALLIDIERES, Thomas FAYER, Cyril BENISTAND-HECTOR
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Publication number: 20230160529Abstract: A cryogen storage vessel at an installation is filled with liquid cryogen from a liquid cryogen storage tank that has a pressure lower than that of the vessel. After headspaces of the vessel and tank are placed in fluid communication with another via a gas transfer vessel and are pressure-balanced, a pump in a liquid transfer line connected between the tank and the vessel is operated to transfer amounts of liquid cryogen from the tank to the vessel via the liquid transfer line and pump as amounts of gaseous cryogen are transferred, through displacement by the pumped cryogenic liquid, from the vessel to the tank.Type: ApplicationFiled: November 22, 2022Publication date: May 25, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Joshua LIGHT, Jerry HAYES, Laurent ALLIDIERES, Thomas FAYER, Cyril BENISTAND-HECTOR
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Publication number: 20230160534Abstract: A cryogen storage vessel at an installation is filled with liquid cryogen from a liquid cryogen storage tank that has a pressure lower than that of the vessel. After headspaces of the vessel and tank are placed in fluid communication with another via a gas transfer vessel and are pressure-balanced, a pump in a liquid transfer line connected between the tank and the vessel is operated to transfer amounts of liquid cryogen from the tank to the vessel via the liquid transfer line and pump as amounts of gaseous cryogen are transferred, through displacement by the pumped cryogenic liquid, from the vessel to the tank.Type: ApplicationFiled: November 22, 2022Publication date: May 25, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Joshua LIGHT, Jerry HAYES, Laurent ALLIDIERES, Thomas FAYER, Cyril BENISTAND-HECTOR