Patents by Inventor Jean-Marc Peyron
Jean-Marc Peyron has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11946692Abstract: A method for separating a mixture containing at least nitrogen and methane by cryogenic distillation in a first column operating in a first pressure and a second column operating at a second pressure lower than the first pressure, the mixture being separated in the first column to form a gas enriched in nitrogen and a liquid enriched in methane, at least a portion of the gas enriched in nitrogen being at least partially condensed in a heat exchanger and returned to the first column, the gas enriched in nitrogen is sent into the heat exchanger by the bottom, ascends in a first series of passages of the exchanger and condenses therein at least partially, the liquid formed descending in these passages of the first series and exiting by the bottom of the exchanger.Type: GrantFiled: April 8, 2022Date of Patent: April 2, 2024Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Paul Terrien, Nicolas Chantant, Jean-Marc Peyron
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Publication number: 20240068746Abstract: A method and apparatus for restarting an air separation unit comprising a system of columns including at least a first distillation column and a heat exchanger positioned below the first column with its main axis vertical and with its cold end adjacent to the bottom of the first column, in which, during the restart, air is sent to the exchanger and at least one portion of the cooled air is sent in gaseous form to the atmosphere.Type: ApplicationFiled: December 16, 2021Publication date: February 29, 2024Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges ClaudeInventors: Benoit DAVIDIAN, Jean-Marc PEYRON
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Patent number: 11499676Abstract: Method for filling a liquefied gas tank with pressurized liquefied gas from a source of liquefied gas using a filling apparatus comprising a transfer circuit that is provided with first and second pipes, each connecting between the source via respective first ends and the tank via respective second ends, third and fourth pipes each connecting between the first and second pipes, and a set of valves controlling flows of fluid in the pipes. The tank is depressurized and at least part of the circuit is cooled by transferring pressurized vaporization gas from the tank to the first end of the second pipes via the second end of the second pipe, the third pipe, the first pipe, and the fourth pipe.Type: GrantFiled: July 21, 2021Date of Patent: November 15, 2022Assignee: L'Air Liquide, Société Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Stephane Crevatin, Jean-Marc Peyron
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Publication number: 20220325951Abstract: A method for separating a mixture containing at least nitrogen and methane by cryogenic distillation in a first column operating in a first pressure and a second column operating at a second pressure lower than the first pressure, the mixture being separated in the first column to form a gas enriched in nitrogen and a liquid enriched in methane, at least a portion of the gas enriched in nitrogen being at least partially condensed in a heat exchanger and returned to the first column, the gas enriched in nitrogen is sent into the heat exchanger by the bottom, ascends in a first series of passages of the exchanger and condenses therein at least partially, the liquid formed descending in these passages of the first series and exiting by the bottom of the exchanger.Type: ApplicationFiled: April 8, 2022Publication date: October 13, 2022Inventors: Paul TERRIEN, Nicolas CHANTANT, Jean-Marc PEYRON
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Publication number: 20220316795Abstract: A method for liquefying a stream of hydrocarbons from a feed stream, including introducing the feed stream and a first cooling stream into a first heat exchanger, extracting a plurality of partial cooling streams obtained from the first cooling stream from the heat exchanger via separate outlets, introducing each partial cooling stream into an expansion element to produce a plurality of biphasic cooling streams at different pressures, introducing each biphasic cooling stream into a phase separator element to produce a gaseous cooling stream which is diverted from the first exchanger and a liquid cooling stream which is introduced into the first exchanger via respective inlets, evaporating each liquid cooling stream by heat exchange with at least the feed stream and the first cooling stream so as to extract a cooled hydrocarbon stream at the outlet from the first heat exchanger and to extract a plurality of evaporated cooling streams.Type: ApplicationFiled: July 20, 2020Publication date: October 6, 2022Inventors: Jean-Marc PEYRON, Sophie LAZZARINI, Sébastien LICHTLE, Thomas MOREL
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Publication number: 20220282912Abstract: A method for liquefying a hydrocarbon stream using at least one heat exchanger of the plate and fin type having at least one first part and one second part, the first and second parts being physically separate and each comprising at least one stack of a plurality of plates that are parallel to one another and to a longitudinal direction that is substantially vertical, the plates of the first part and the plates of the second part being stacked in a stacking direction that is orthogonal to the plates, the plates being stacked with spacing so as to define between them a plurality of first passages for the flow of at least part of a second two-phase cooling stream in the first part and a plurality of second passages for the flow of at least part of a first two-phase cooling stream in the second part.Type: ApplicationFiled: July 20, 2020Publication date: September 8, 2022Inventors: Natacha HAIK-BERAUD, Jean-Marc PEYRON, Sophie LAZZARINI, Thomas MOREL
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Publication number: 20220275997Abstract: A method for liquefying a hydrocarbon stream using a heat exchanger having a plurality of plates parallel to each other and to a longitudinal direction that is substantially vertical, the exchanger having a length measured in the longitudinal direction, the plates being stacked with spacing so as to define between them at least one first series of passages for the flow of at least part of a two-phase cooling stream vaporizing by exchanging heat with at least the hydrocarbon stream.Type: ApplicationFiled: July 21, 2020Publication date: September 1, 2022Inventors: Natacha HAIK-BERAUD, Jean-Marc PEYRON, Sophie LAZZARINI, Thomas MOREL
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Publication number: 20220026025Abstract: Method for filling a liquefied gas tank with pressurized liquefied gas from a source of liquefied gas using a filling apparatus comprising a transfer circuit that is provided with first and second pipes, each connecting between the source via respective first ends and the tank via respective second ends, third and fourth pipes each connecting between the first and second pipes, and a set of valves controlling flows of fluid in the pipes. The tank is depressurized and at least part of the circuit is cooled by transferring pressurized vaporization gas from the tank to the first end of the second pipes via the second end of the second pipe, the third pipe, the first pipe, and the fourth pipe.Type: ApplicationFiled: July 21, 2021Publication date: January 27, 2022Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Stephane CREVATIN, Jean-Marc PEYRON
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Patent number: 11221178Abstract: A heat exchanger with several plates arranged in parallel is provided. The heat exchanger has a first series of passages for channeling at least one first fluid and a second series of passages for channeling at least one second fluid. The second fluid being in a heat-exchange relationship with at the first fluid. A mixer is arranged in the passage of the first series. The mixer has at least one first channel for the flow of a first phase of the first fluid in a flow direction. The mixer has at least one second channel for the flow of a second phase of the first fluid. The mixer has at least one opening fluidically connecting the first channel to the second channel.Type: GrantFiled: March 20, 2018Date of Patent: January 11, 2022Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Precédés Georges ClaudeInventors: Natacha Haik-Beraud, Philippe Grigoletto, Sophie Lazarrini, Jean-Marc Peyron, Jorge Ernesto Tovar Ramos
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Patent number: 11092292Abstract: In a method for reheating an atmospheric vaporizer, a cryogenic liquid is vaporized by heat exchange with ambient air in the atmospheric vaporizer and to reheat the vaporizer, a gas is sent thereto at a temperature of at least 0° C., this gas originating from a cryogenic distillation air separation unit.Type: GrantFiled: February 21, 2020Date of Patent: August 17, 2021Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Jean-Marc Peyron, Fabrice Rivoal, Lian-Ming Sun
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Patent number: 11022377Abstract: Heat exchanger with plates comprising a first series of passages for conducting at least one frigorigenic fluid and a second series of passages for conducting at least one calorigenic fluid, each passage being defined between two successive plates and extending parallel to a longitudinal axis, at least one mixing device arranged in at least one passage of the first series, said mixing device being configured to receive a liquid phase and a gaseous phase of the frigorigenic fluid and to distribute a mixture of said phases into said at least one passage.Type: GrantFiled: June 27, 2017Date of Patent: June 1, 2021Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Ludovic Granados, Philippe Grigoletto, Natacha Haik-Beraud, Sophie Lazzarini, Jean-Marc Peyron, Eduard Rosa
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Publication number: 20210108855Abstract: A heat exchanger with several plates arranged in parallel is provided. The heat exchanger has a first series of passages for channeling at least one first fluid and a second series of passages for channeling at least one second fluid. The second fluid being in a heat-exchange relationship with at the first fluid. A mixer is arranged in the passage of the first series. The mixer has at least one first channel for the flow of a first phase of the first fluid in a flow direction. The mixer has at least one second channel for the flow of a second phase of the first fluid. The mixer has at least one opening fluidically connecting the first channel to the second channel.Type: ApplicationFiled: March 20, 2018Publication date: April 15, 2021Inventors: Natacha HAIK-BERAUD, Philippe GRIGOLETTO, Sophie LAZARRINI, Jean-Marc PEYRON, Jorge Ernesto TOVAR RAMOS
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Publication number: 20200408466Abstract: The invention concerns a heat exchanger comprising several plates arranged parallel to one another and to a longitudinal direction so as to define a first series of passages for channeling at least one first fluid and a second series of passages for channeling at least one second fluid which is to be brought into a heat-exchange relationship with at least said first fluid, a mixer device being arranged in said at least one passage of the first series and comprising at least one first channel for the flow of a first phase of the fluid in the longitudinal direction, at least one second channel for the flow of a second phase of the fluid, and a plurality of orifices fluidically connecting the first channel to the second channel, said orifices occupying successive positions in the longitudinal direction. According to the invention, the distances between two successive positions, measured parallel to the longitudinal direction, are variable.Type: ApplicationFiled: March 21, 2019Publication date: December 31, 2020Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Marine ANDRICH, Natacha HAIK-BERAUD, Philippe GRIGOLETTO, Jean-Marc PEYRON, Ahlem DELEGUE
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Patent number: 10753682Abstract: The invention relates to a facility for producing liquid helium from a source gas mixture substantially comprising nitrogen and helium. The facility includes a cryogenic purifier including a system for separating the nitrogen from the source gas mixture with a view to producing helium at a temperature lower than the temperature of the source gas. The facility also includes a helium liquefier that subjects the helium to a work cycle including, in series: compressing the helium, cooling and decompressing the compressed helium, and reheating the cooled, decompressed helium. The facility includes a helium transfer pipe connecting an outlet of the purifier to an inlet of the liquefier in order to transfer helium produced by the purifier into the work cycle of the liquefier. The facility is characterized in that the cryogenic purifier includes a decompression system that includes an inlet to be connected to a source of pressurized nitrogen gas.Type: GrantFiled: April 13, 2016Date of Patent: August 25, 2020Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Bertrand Demolliens, Jean-Marc Bernhardt, Rawia Ali Said, Delphine Pichot, Antoine Hernandez, Jean-Marc Tsevery, Jean-Marc Peyron
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Publication number: 20200191334Abstract: In a method for reheating an atmospheric vaporizer, a cryogenic liquid is vaporized by heat exchange with ambient air in the atmospheric vaporizer and to reheat the vaporizer, a gas is sent thereto at a temperature of at least 0° C., this gas originating from a cryogenic distillation air separation unit.Type: ApplicationFiled: February 21, 2020Publication date: June 18, 2020Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Jean-Marc PEYRON, Fabrice RIVOAL, Lian-Ming SUN
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Publication number: 20200109894Abstract: A heat exchanger with plates defining a first series of passages for channeling at least one refrigerant fluid and a second series of passages for channeling at least one calorigenic fluid, at least one passage of the first series being defined between a first plate defining an adjacent passage of the second series and a second plate. A mixing device is arranged in the passage of the first series and includes a first surface arranged facing the first plate and a second surface arranged facing the second plate, at least one first channel for channeling a gas phase of the refrigerant fluid, and at least one second channel for channeling a liquid phase of the refrigerant fluid.Type: ApplicationFiled: December 12, 2017Publication date: April 9, 2020Inventors: Philippe GRIGOLETTO, Natacha HAIK-BERAUD, Sophie LAZZARINI, Jean-Marc PEYRON
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Patent number: 10605410Abstract: In a method for reheating an atmospheric vaporizer, a cryogenic liquid is vaporized by heat exchange with ambient air in the atmospheric vaporizer and to reheat the vaporizer, a gas is sent thereto at a temperature of at least 0° C., this gas originating from a cryogenic distillation air separation unit.Type: GrantFiled: January 4, 2018Date of Patent: March 31, 2020Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Jean-Marc Peyron, Fabrice Rivoal, Lian-Ming Sun
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Publication number: 20190242651Abstract: Heat exchanger with plates comprising a first series of passages for conducting at least one frigorigenic fluid and a second series of passages for conducting at least one calorigenic fluid, each passage being defined between two successive plates and extending parallel to a longitudinal axis, at least one mixing device arranged in at least one passage of the first series, said mixing device being configured to receive a liquid phase and a gaseous phase of the frigorigenic fluid and to distribute a mixture of said phases into said at least one passage.Type: ApplicationFiled: June 27, 2017Publication date: August 8, 2019Applicant: L'Air Liquide, Societe Anonyme Pour I'Etude et I'Exploitation des Procedes Georges ClaudeInventors: Ludovic GRANADOS, Philippe GRIGOLETTO, Natacha HAIK-BERAUD, Sophie LAZZARINI, Jean-Marc PEYRON, Eduard ROSA
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Publication number: 20180363977Abstract: A process for separating the components of a gas mixture comprising methane, nitrogen, and at least one hydrocarbon having at least two carbon atoms, or a mixture of these hydrocarbons, including the following steps: a) demonization of the gas mixture with at least one demethenization column; b) extraction of a liquid comprising at least 85 mol % of the hydrocarbons having at least two carbon atoms, partial condensation of a gas mixture in order to obtain a liquid, at least a portion of which is treated in order to be extracted as denitrogenated natural gas product and a second gas; d) introduction of the second gas and/or the gas mixture into a nitrogen removal column, obtained from which are a gas and a liquid, e) treatment of the gas in a nitrogen removal system in order to produce a gas stream comprising 5 mol % at most of nitrogen.Type: ApplicationFiled: October 1, 2015Publication date: December 20, 2018Inventors: Bertrand DEMOLLIENS, Richard DUBETTIER-GRENIER, Ludovic GRANADOS, Julie GRAVE, Michele MURINO, Jean-Marc PEYRON, Paul TERRIEN, Marie-Pascal VICTOR
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Publication number: 20180187837Abstract: In a method for reheating an atmospheric vaporizer, a cryogenic liquid is vaporized by heat exchange with ambient air in the atmospheric vaporizer and to reheat the vaporizer, a gas is sent thereto at a temperature of at least 0° C., this gas originating from a cryogenic distillation air separation unit.Type: ApplicationFiled: January 4, 2018Publication date: July 5, 2018Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Jean-Marc PEYRON, Fabrice RIVOAL, Lian-Ming SUN