Patents Assigned to Societe Anonyme
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Publication number: 20240142170Abstract: Disclosed is a device for liquefying a fluid, comprising a fluid circuit to be cooled, the device comprising a heat exchanger assembly in heat exchange with the fluid circuit to be cooled, at least one first cooling system in heat exchange with at least a portion of the heat exchanger assembly, the first cooling system being a refrigerator having a cycle for refrigerating a cycle gas mainly comprising helium, said refrigerator comprising in series in a cycle circuit: a mechanism for compressing the cycle gas, at least one member for cooling the cycle gas, a mechanism for expanding the cycle gas, and at least one member for reheating the expanded cycle gas, wherein the compression mechanism includes at least four compression stages in series composed of a centrifugal compressor assembly, the compression stages being mounted on shafts that are rotationally driven by a motor assembly, the expansion mechanism comprising at least three expansion stages in series composed of a set of centripetal turbines, the at leType: ApplicationFiled: January 18, 2022Publication date: May 2, 2024Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges ClaudeInventors: Pierre BARJHOUX, Fabien DURAND
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Publication number: 20240138370Abstract: The invention relates to a method for rearing animals and in particular poultry or pigs that comprises supplying the animals with drinking water in order to water the animals, injecting oxygen and CO2 into the drinking water, before the drinking water reaches the animals, according to one of the following modes: two injections, one of CO2 and one of oxygen, are carried out simultaneously into the drinking water, or one injection, a mixture of oxygen and CO2, is carried out into the drinking water.Type: ApplicationFiled: January 17, 2022Publication date: May 2, 2024Applicants: L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE, AIR LIQUIDE FRANCE INDUSTRIEInventors: Dominique IBARRA, Phillippe CAMPO, Franck COUSIN, Pauline LE DRU
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Publication number: 20240133624Abstract: In a method for separating air by cryogenic distillation in a system of columns comprising a first column operating at a first pressure and a second column operating at a second pressure which is lower than the first column, the temperature T1 at which an airflow leaves, after cooling, the heat exchanger by rising towards the cold end of said heat exchanger and enters the first column is at least 1° C., preferably at least 2° C., higher than the dew point of the airflow.Type: ApplicationFiled: February 14, 2022Publication date: April 25, 2024Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges ClaudeInventor: Benoit DAVIDIAN
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Patent number: 11965624Abstract: Apparatus for compressing cryogenic fluid in at least one compression stage comprising at least one piston and at least one sleeve delimiting at least one compression chamber, a shaft that is able to move in translation along a longitudinal axis (A), the shaft being connected to the piston(s) or sleeve(s) and being able to move with an alternating movement in two opposite directions to ensure phases of compression and intake of fluid into the at least one compression chamber by moving the at least one piston and the at least one sleeve in a relative manner, characterized in that the shaft comprises a portion of reduced cross section in the longitudinal direction (A), said portion of reduced cross section separating two adjacent parts of the shaft, the shaft also comprising at least one linking element made of material that is less thermally conductive than the constituent material of the shaft, in particular a composite material, said at least one linking element having two ends connected respectively to theType: GrantFiled: April 23, 2021Date of Patent: April 23, 2024Assignee: L'Air Liquide, Societe Anonyme Pour l'Etude Et l'Exploitation des Procedes Georges ClaudeInventors: Guillaume Petitpas, Cyril Benistand-Hector
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Patent number: 11964107Abstract: The invention concerns a gas delivery system (1, 2) for providing gaseous Nitric Oxide (NO) to a patient comprising a medical ventilator (2) providing a respiratory gas, such as air, to a patient breathing circuit (3) having an inspiratory limb (31) with a flow sensor (100) and an NO injection module (110), and a NO-delivery device (1) for providing a NO-containing gas to the NO injection module (110) of the inspiratory limb (31), said NO delivery device (1) including a control unit (130) and a differential pressure sensor (104). The medical ventilator (2) can be a High Frequency Oscillatory (HFO) ventilator.Type: GrantFiled: April 2, 2021Date of Patent: April 23, 2024Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventor: Thierry Boulanger
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Patent number: 11965694Abstract: In a process of the separation of a mixture of carbon monoxide, hydrogen and methane, the mixture is sent to a scrubbing column, a bottom liquid withdrawn at the bottom of the scrubbing column is depleted in hydrogen with respect to the mixture and is sent to a stripping column, a bottom liquid from the stripping column is sent to a separation column and a liquid enriched in methane withdrawn from the bottom of the separation column is vaporized in order to form a final product.Type: GrantFiled: July 24, 2019Date of Patent: April 23, 2024Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Manon Cortale, Bertrand Demolliens, Antoine Hernandez, Guillaume Teixeira
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Publication number: 20240125545Abstract: Disclosed is a device for refrigerating or liquefying a fluid such as natural gas or hydrogen, comprising a fluid circuit that is to be cooled and has an upstream end for connection to a source of gaseous fluid as well as a downstream end for connection to a member for collecting the cooled or liquefied fluid, the device comprising a heat exchanger assembly in heat exchange with the fluid circuit to be cooled, the device comprising a refrigerator in heat exchange with at least a portion of the exchanger assembly, the refrigerator being of the type that has a cycle for refrigerating a cycle gas containing at least one of: helium, hydrogen, nitrogen or neon; said refrigerator comprising in series in a cycle circuit: a mechanism for compressing the cycle gas, at least one member for cooling the cycle gas, a mechanism for expanding the cycle gas, and at least one member for reheating the expanded cycle gas, wherein the compression mechanism comprises a plurality of compression stages in series composed of a centrType: ApplicationFiled: January 18, 2022Publication date: April 18, 2024Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges ClaudeInventors: Mathieu ROIG, Remi NICOLAS, Fabien DURAND, Guillaume DELAUTRE
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Publication number: 20240124246Abstract: The present invention relates to a distribution system and an item of equipment for treatment of solid material that comprises same, wherein said distribution system comprises a means for transmitting movement that is configured to generate a rotating movement; a distribution element comprising a surface parallel to the feeding means on which at least one rod is arranged, perpendicularly, configured to come into contact with the solid material to be treated; a rotating means which connects the means for transmitting movement to the distribution element, configured to generate a rocking or circular movement; and a means for supporting the distribution element; wherein a first end of the distribution element comprises a means for joining to the rotating means, situated on an axis eccentric to the axis of rotation of said rotating means, and a second end, opposite to the first end, is accommodated on the supporting means.Type: ApplicationFiled: October 12, 2023Publication date: April 18, 2024Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges ClaudeInventor: Joseluis PINILLOS
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Publication number: 20240125547Abstract: Disclosed is a device for liquefying a fluid, comprising a fluid circuit to be cooled, the device comprising a heat exchanger assembly in heat exchange with the fluid circuit to be cooled, at least one first cooling system in heat exchange with at least a portion of the heat exchanger assembly, the first cooling system being a refrigerator having a cycle for refrigerating a cycle gas mainly comprising helium, said refrigerator comprising in series in a cycle circuit: a mechanism for compressing the cycle gas, at least one member for cooling the cycle gas, a mechanism for expanding the cycle gas, and at least one member for reheating the expanded cycle gas, wherein the compression mechanism includes at least four compression stages in series composed of a centrifugal compressor assembly, the compression stages being mounted on shafts that are rotationally driven by a motor assembly, the expansion mechanism comprising at least three expansion stages in series composed of a set of centripetal turbines, the at leType: ApplicationFiled: January 18, 2022Publication date: April 18, 2024Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges ClaudeInventors: Pierre BARJHOUX, Fabien DURAND
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Publication number: 20240125429Abstract: The invention relates to a cryogenic unit comprising: a cryogenic tank; a receptacle; a pipe comprising: a first end connected to the cryogenic tank; a second end; a first longitudinal portion; a second longitudinal portion; a bend between the first portion and the second portion; a connecting flange situated between the bend and the second end, wherein the cryogenic unit further includes: an item of fluidic equipment comprising an inlet end; and an outlet end and configured to be mounted removably inside the receptacle.Type: ApplicationFiled: October 10, 2023Publication date: April 18, 2024Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges ClaudeInventors: Lucien VARRASSI, Etienne GIBAUX, Vincent HEMBERT, Jean-Pierre BERNARD, Fabrice VELLANDI
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Patent number: 11959702Abstract: An air separation device can include: a first compressor and a second compressor for compressing feed air; a first refrigerator and a second refrigerator for cooling the feed air; a pre-purification unit for pre-purifying the feed air; a flow rate measuring unit for measuring the flow rate of the feed air; a main heat exchanger for subjecting the feed air to heat exchange; a purification portion into which the feed air led out from the main heat exchanger is fed, and which separates and purifies product nitrogen and/or product oxygen from the feed air; and a compressor control unit for controlling the feed quantity of the feed air in accordance with an increase or decrease in the production quantity of product nitrogen and/or product oxygen.Type: GrantFiled: March 4, 2021Date of Patent: April 16, 2024Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Takuya Kaneda, Tsuyoshi Sugitani
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Publication number: 20240118024Abstract: Disclosed is a device for refrigerating or liquefying a fluid such as natural gas or hydrogen, comprising a circuit for fluid that is to be cooled and has an upstream end for connection to a source of gaseous fluid and a downstream end for connection to a member for collecting the cooled or liquefied fluid, the device comprising a heat exchanger assembly in heat exchange with the circuit of fluid to be cooled, the device comprising a refrigerator in heat exchange with at least a portion of the heat exchanger assembly, the refrigerator being of the type that has a cycle for refrigerating a cycle gas containing at least one of: helium, hydrogen, nitrogen or neon; said refrigerator comprising, arranged in series in a cycle circuit: a mechanism for compressing the cycle gas, at least one member for coding the cycle gas, a mechanism for expanding the cycle gas, and at least one member for reheating the expanded cycle gas, wherein the compression mechanism comprises a plurality of compression stages in series compoType: ApplicationFiled: January 18, 2022Publication date: April 11, 2024Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges ClaudeInventors: Mathieu ROIG, Remi NICOLAS, Fabien DURAND, Guillaume DELAUTRE
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Publication number: 20240118025Abstract: Disclosed is a device for refrigerating or liquefying a fluid such as natural gas or hydrogen, comprising a fluid circuit that is to be cooled and has an upstream end for connection to a source of gaseous fluid as well as a downstream end for connection to a member for collecting the cooled or liquefied fluid, the device comprising a heat exchanger assembly in heat exchange with the fluid circuit to be cooled, the device comprising a refrigerator in heat exchange with at least a portion of the exchanger assembly, the refrigerator being of the type that has a cycle for refrigerating a cycle gas containing at least one of: helium, hydrogen, nitrogen or neon; said refrigerator comprising in series in a cycle circuit: a mechanism for compressing the cycle gas, at least one member for cooling the cycle gas, a mechanism for expanding the cycle gas, and at least one member for reheating the expanded cycle gas, wherein the compression mechanism comprises a plurality of compression stages in series composed of a centrType: ApplicationFiled: January 18, 2022Publication date: April 11, 2024Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges ClaudeInventors: Mathieu ROIG, Remi NICOLAS, Fabien DURAND, Guillaume DELAUTRE
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Publication number: 20240116009Abstract: Composite hollow fiber gas separation membranes with improved permeance and separation layer adhesion are manufactured by providing dipping a hollow fiber membrane substrate in a pre-coat layer coating composition followed by drying to thereby provide a pre-coated substrate and dipping the pre-coated substrate in a separation layer coating composition followed by drying to thereby provide the composite hollow fiber gas separation membranes. The pre-coating composition includes a first polymer dissolved in a first solvent and the separation layer composition includes a second polymer dissolved in a second solvent. The first and second polymers are the same or different, each of the first and second polymers is at least 1 wt % soluble in a same third solvent, the first and second solvents are the same or different, the first and third solvents are the same or different, and the second and third solvent are the same or different.Type: ApplicationFiled: October 10, 2022Publication date: April 11, 2024Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Junyi LIU, Sudhir KULKARNI, Raja SWAIDAN, Megha SHARMA
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Publication number: 20240117285Abstract: Raw biogas from an anaerobic digester is fed to a membrane separation unit that produces methane rich biomethane and a CO2 rich permeate that is recycled to the anaerobic digester where it is mixed with the digestate.Type: ApplicationFiled: October 6, 2022Publication date: April 11, 2024Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges ClaudeInventors: Sudhir KULKARNI, Min Ho MAENG, Shu FANG
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Publication number: 20240117911Abstract: Self-closing emergency release and coupling device for the transport of cryogenic fluid comprising two pipes extending in a longitudinal direction and each comprising, at a connection end, a valve mechanism configured to automatically close the pipe when the connection ends are separated and to open the pipe when the connection ends are coupled, the device further comprising a tube arranged around each pipe and defining a vacuum space for thermally insulating the pipeline, the device is characterized in that it further comprises a chamber disposed around the valve mechanism and delimited by a wall assembly located between the outer tube and the transport pipe, the volume of the insulation chamber being independent of the vacuum space between the outer tube and the transport pipe.Type: ApplicationFiled: January 17, 2022Publication date: April 11, 2024Applicant: L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDEInventors: Gaetan COLEIRO, Yan PENNEC
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Patent number: 11953157Abstract: The invention relates to a method for storing and distributing liquefied hydrogen using a facility that comprises a store of liquid hydrogen at a predetermined storage pressure, a source of hydrogen gas, a liquefier comprising an inlet connected to the source and an outlet connected to the liquid hydrogen store, the store comprising a pipe for drawing liquid, comprising one end connected to the liquid hydrogen store and one end intended for being connected to at least one mobile tank, the method comprising a step of liquefying hydrogen gas supplied by the source and a step of transferring the liquefied hydrogen into the store, characterized in that the hydrogen liquefied by the liquefier and transferred into the store has a temperature lower than the bubble temperature of hydrogen at the storage pressure.Type: GrantFiled: September 24, 2019Date of Patent: April 9, 2024Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Claude Georges ClaudeInventors: Laurent Allidieres, Renan Luis De Souza Silva
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Patent number: 11953158Abstract: A device and process for refuelling containers comprising a pressurized gas source, a transfer circuit intended to be removably connected to a container, the device comprising a refrigeration system comprising a refrigerant cooling loop circuit comprising, arranged in series, a compressor, a condenser section, an expansion valve and an evaporator section, the refrigeration system comprising a cold source in heat exchange with the condenser section and a heat exchanger located in the transfer circuit, the refrigerant cooling loop circuit comprising a bypass conduit comprising an upstream end connected to the outlet of the compressor and a downstream end connected to the refrigerant cooling loop circuit upstream the compressor inlet, the device further comprising a bypass regulating valve for controlling the flow of refrigerant flowing into the by-pass conduit, the device comprising a pressure sensor for sensing the refrigerant pressure in the cooling loop circuit between the compressor inlet and the heat exchaType: GrantFiled: October 31, 2022Date of Patent: April 9, 2024Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Etienne Werlen, Marcus Buck
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Patent number: 11952270Abstract: A method and system for purification of helium and CO2 from a stream containing at least Helium, CO2, nitrogen or methane uses a combination of cryogenic, membrane and adsorption technologies.Type: GrantFiled: October 5, 2021Date of Patent: April 9, 2024Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, Air Liquide Advanced Technologies U.S. LLCInventors: Paul Terrien, Pierre-Philippe Guerif, Vincent Follaca, Alain Guillard, Youssef Tazi
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Publication number: 20240110670Abstract: At a liquid cryogen depot, gaseous cryogen from non-completely filled short trailers is used for pressurizing jumbo trailers, from which liquid cryogen is caused to flow into empty trailers through pressure differential.Type: ApplicationFiled: September 29, 2022Publication date: April 4, 2024Applicant: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventor: Joshua LIGHT