Patents by Inventor Benoit Davidian
Benoit Davidian 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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Publication number: 20210060453Abstract: Gas/liquid separation column, containing a device for dispensing a liquid, intended for a gas/liquid separation column, comprising: a plate, in which several orifices are arranged, through which the liquid is able to leave the dispensing device; a plurality of stacks extending from the plate, each stack being configured to be followed by the gas; a plurality of plugging means respectively arranged at one end of one of the stacks, each plugging means having a gutter shape allowing a first portion of the liquid to be collected; a plurality of troughs for directly collecting a second portion of the liquid, at least one part of the orifices being distributed in the base of said troughs, each plugging means comprising a first open longitudinal end and a second closed longitudinal end.Type: ApplicationFiled: September 1, 2020Publication date: March 4, 2021Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Mikael WATTIAU, Benoit DAVIDIAN
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Publication number: 20200370826Abstract: Insulated enclosure having at least one surface that is planar, containing at least one piece of equipment intended to operate at a temperature below 0° C., the interior space of the enclosure being intended to be at a pressure below atmospheric pressure and being filled with thermal insulation, and the thermal insulation being made up of a multitude of spherical beads made of thermally insulating material.Type: ApplicationFiled: May 21, 2020Publication date: November 26, 2020Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges ClaudeInventors: Maxime BUTLER, Benoit DAVIDIAN
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Publication number: 20200370825Abstract: The invention relates to a method for separating air by cryogenic distillation in a column system, comprising a first column operating at a first pressure and a second column operating at a second pressure, in which an argon-enriched flow is sent from an intermediate point of the first column to the tank of the second column and an argon-rich flow is drawn off at the top of the second column, wherein a nitrogen-enriched flow of the first column is compressed in a compressor, the compressed flow is sent to a head condenser of the second column after an expansion step and the vaporized flow is expanded in the condenser in a turbine where it at least partially liquefies.Type: ApplicationFiled: November 8, 2018Publication date: November 26, 2020Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventor: Benoit DAVIDIAN
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Publication number: 20200209113Abstract: An apparatus for analyzing the content of at least one contaminant in a liquid cryogen comprising a cylindrical enclosure, an annular enclosure arranged around the cylindrical enclosure, means for dividing a flow of liquid cryogen in two, means for delivering a first part of the liquid cryogen to the cylindrical enclosure, means for delivering a second part of the liquid cryogen to the annular enclosure, a pipe connected to the cylindrical enclosure to allow vaporized liquid to pass through, a pipe connected to the annular enclosure to allow vaporized liquid to pass through, a heater for heating the cylindrical enclosure vessel and means for stopping the delivery of liquid cryogen to the cylindrical enclosure.Type: ApplicationFiled: May 18, 2018Publication date: July 2, 2020Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Patrick LE BOT, Frederic CRAYSSAC, Benoit DAVIDIAN, Mathieu LECLERC
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Publication number: 20200191689Abstract: The invention relates to a method for analyzing the content of at least one contaminant in a cryogenic liquid, wherein a known amount of liquid L constituting the initial liquid is injected at the pressure P into an enclosure; a predetermined fraction of the liquid present in the enclosure is vaporized by heating same; the vapor thus generated is discharged from the vaporizing enclosure to maintain a pressure no higher than the pressure P during the vaporization phase; the amount of liquid thus vaporized, less than L, is precisely controlled so that the amount of contaminant in the residual liquid present in the enclosure is substantially equal to that of the initial liquid, which implies that the concentration thereof is multiplied by a previously determined factor; a sample of residual liquid is collected; the contaminant content is measured after total vaporization of the residual liquid sample; and the contaminant content in the initial liquid is deduced from the measurement of contaminant in the residualType: ApplicationFiled: May 18, 2018Publication date: June 18, 2020Applicant: l'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Patrick LE BOT, Frédéric CRAYSSAC, Benoit DAVIDIAN, Mathieu LECLERC
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Patent number: 10605523Abstract: A process comprises a first set of distillation columns and a second set of distillation columns, a low-pressure column of the first set being connected to a column operating at higher pressure of the second set by means of a gas arriving from the top of the column operating at a higher pressure and/or by means of a fluid arriving from the low-pressure column.Type: GrantFiled: November 7, 2014Date of Patent: March 31, 2020Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Benoit Davidian, Richard Dubettier-Grenier
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Publication number: 20190301796Abstract: The invention relates to a method for constructing or altering a matter- and/or heat-exchange device, said mass- and/or heat-exchange device comprising an assembly of at least one first and one second stackable modular elements (A, B, C, D, E, F, G, H, I, J, K, L), in which the first element is secured over the second element or the second element is secured below the first element in a sealed manner, such that a fluid can flow from the body of the first element to the body of the second element and/or from the body of the second element to the body of the first element.Type: ApplicationFiled: June 2, 2017Publication date: October 3, 2019Applicant: L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Procedes Georges ClaudeInventors: Patrice CAVAGNE, Benoit DAVIDIAN, Bernard SAULNIER
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Patent number: 10344768Abstract: A process for compressing a gaseous fluid comprising a step (a) of injecting refrigerant during which a refrigerant substance is sprayed into the gaseous fluid to be compressed, and also a compression step (b), during which the passage of said gaseous fluid loaded with refrigerant substance is forced through said compressor in order to compress said gaseous fluid, the mass flow rate (Q3) of the refrigerant substance injected into the gaseous fluid represents between 1% and 5% of the mass flow rate of the gaseous fluid to be compressed, and the refrigerant substance is sprayed in the form of particles having a maximum dimension of less than or equal to 25 pm, and preferably less than or equal to 10 pm.Type: GrantFiled: December 2, 2014Date of Patent: July 9, 2019Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Guillaume Cardon, Antony Correia Anacleto, Benoit Davidian, Francois-Xavier Lemant, Quentin Saniez, Jean-Pierre Tranier
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Patent number: 10329960Abstract: A method for generating electricity by means of a nuclear power plant and a liquid vaporization apparatus involves producing heat energy by means of the nuclear power plant and using the heat energy to vaporize water or to heat water vapor, expanding the water vapor formed in a first turbine and using the first turbine to drive an electricity generator in order to produce electricity, vaporizing liquefied gas coming from a cryogenic storage in order to produce a pressurized gas, reheating the pressurized gas with a part of the water vapor intended for the first turbine of the power plant and expanding the pressurized fluid in a second turbine to produce electricity.Type: GrantFiled: December 17, 2014Date of Patent: June 25, 2019Assignee: L'Air Liquide Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Georges ClaudeInventors: Benoit Davidian, Cyrille Paufique
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Patent number: 10329959Abstract: A method for generating electricity by means of a thermal power plant and a liquid vaporization apparatus involves producing heat energy by means of the power plant and using the heat energy to vaporize water or to heat water vapor, expanding the water vapor formed in a first turbine and using the first turbine to drive an electricity generator in order to produce electricity, vaporizing liquefied gas coming from a cryogenic storage in order to produce pressurized gas, reheating the pressurized gas with a part of the water vapor intended for the first turbine of the power plant and expanding the pressurized fluid in a second turbine to produce electricity.Type: GrantFiled: December 17, 2014Date of Patent: June 25, 2019Assignee: L'Air Liquide Societe Anonyme pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Benoit Davidian, Cyrille Paufique
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Patent number: 10295253Abstract: The invention relates to a method for separating air by cryogenic distillation in a set of columns including a first column operating at a first pressure, a second column operating at a second pressure which is lower than the first pressure, and a third column operating at a third pressure, which is lower than the second pressure, wherein the third column includes first and second evaporator-condensers, and nitrogen from a cold compressor is sent to one of the evaporator-condensers.Type: GrantFiled: October 14, 2014Date of Patent: May 21, 2019Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventor: Benoit Davidian
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Publication number: 20190137174Abstract: A stackable modular element comprises a parallelepipedal caisson, the caisson comprising at least one layer of thermal insulation of thickness less than one-third of the width of the caisson, the layer of insulation covering at least the lateral and frontal faces of the caisson and surrounding at least one chamber having a parallelepipedal volume within the caisson, the chamber containing at least one body of material that permits the exchange of mass and/or of heat, the body being parallelepipedal in shape and filling at least part of the chamber, the chamber having an opening on the upper face and/or an opening on the lower face to allow fluid to be transferred to the body from outside the element and/or from the body to outside the element.Type: ApplicationFiled: June 2, 2017Publication date: May 9, 2019Applicant: L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Procedes Georges ClaudeInventors: Patrice CAVAGNE, Benoit DAVIDIAN, Bernad SAULNIER
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Patent number: 10281208Abstract: In a purification method, a carbon dioxide-rich gas is cooled in a first brazed aluminum plate-fin heat exchanger, the cooled gas or at least one fluid derived from the cooled gas is sent to a purification step comprising a distillation step, the purification step produces a carbon dioxide-rich liquid which is cooled, then expanded, then sent to a second heat exchanger where it is heated by means of a fluid of the method, the exchanger carrying out an indirect heat exchange only between the carbon dioxide-rich liquid and the fluid of the method, the carbon dioxide-rich liquid at least partially vaporizes in the second exchanger and the vaporized gas formed heats up again in the first exchanger to form a carbon dioxide-rich gas.Type: GrantFiled: July 11, 2013Date of Patent: May 7, 2019Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Benoit Davidian, Mathieu Leclerc
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Patent number: 10196940Abstract: A method for generating electricity by means of a nuclear power plant and a liquid vaporization apparatus involves, during a first period, producing heat energy by means of the nuclear power plant and using the heat energy to vaporize water or to heat water vapor, expanding the water vapor formed in a first turbine and using the first turbine to drive an electricity generator in order to produce electricity, vaporizing liquefied gas coming from a cryogenic store in order to produce pressurized gas, reheating the pressurized gas with a part of the water vapor intended for the first turbine of the nuclear power plant and expanding the pressurized fluid in a second turbine to produce electricity and, during the second period, liquefying the gas to be vaporized.Type: GrantFiled: December 17, 2014Date of Patent: February 5, 2019Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Benoit Davidian, Cyrille Paufique
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Patent number: 9862632Abstract: The invention relates to a unit and method for melting in a furnace comprising a combustion-heated melting chamber, in which the air is heated by means of heat exchange with the fumes generated by combustion. The heated air is used in a gas turbine in order to generate electrical and/or mechanical energy. In addition, the effluent from the gas turbine is used to pre-heat the combustion oxygen and/or gaseous fuel upstream of the melting chamber.Type: GrantFiled: December 5, 2013Date of Patent: January 9, 2018Assignee: L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges ClaudeInventors: Benoit Davidian, Youssef Joumani, Jocelyn Le Dirach, Jean-Pierre Tranier
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Patent number: 9845725Abstract: The invention relates to a melting unit and method in which: a melting chamber is heated by means of combustion, the combustion fumes are used to heat the air used as a heat-transfer gas, the heated air is used to pre-heat the combustion oxygen and/or the gaseous fuel, the tempered air resulting from the pre-heating is compressed, the compressed tempered air is heated by means of heat exchange with the combustion fumes, and the mechanical and/or electrical energy is generated by expansion of the heated compressed air.Type: GrantFiled: December 5, 2013Date of Patent: December 19, 2017Assignee: L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges ClaudeInventors: Benoit Davidian, Youssef Joumani, Jocelyn Le Dirach, Jean-Pierre Tranier
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Publication number: 20170266583Abstract: The invention relates to a distribution device having a container having side walls and a bottom with perforations; a distributor arranged beneath the container and provided with distribution channels that each have a polygonal cross-section; and mechanical connection bodies between the distributor and the linear elements, which extend beneath the distribution channels and fluidically connect the distribution channels to the linear elements when the distribution device is built into the contacting assembly.Type: ApplicationFiled: August 20, 2015Publication date: September 21, 2017Applicant: L'Air Liquide, Societe Anonyme Pour I'Etude et I'Exploitation des Procedes Georges ClaudeInventors: Frederic CRAYSSAC, Benoit DAVIDIAN, Clement LIX, Bernard SAULNIER, Mikael WATTIAU
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Publication number: 20170211578Abstract: A process for compressing a gaseous fluid comprising a step (a) of injecting refrigerant during which a refrigerant substance is sprayed into the gaseous fluid to be compressed, and also a compression step (b), during which the passage of said gaseous fluid loaded with refrigerant substance is forced through said compressor in order to compress said gaseous fluid, the mass flow rate (Q3) of the refrigerant substance injected into the gaseous fluid represents between 1% and 5% of the mass flow rate of the gaseous fluid to be compressed, and the refrigerant substance is sprayed in the form of particles having a maximum dimension of less than or equal to 25 ?m, and preferably less than or equal to 10 ?m.Type: ApplicationFiled: December 2, 2014Publication date: July 27, 2017Inventors: Guillaume CARDON, Antony CORREIA ANACLETO, Benoit DAVIDIAN, Francois-Xavier LEMANT, Quentin SANIEZ, Jean-Pierre TRANIER
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Patent number: 9696087Abstract: A method for separating air is provided, in which a flow of oxygen-rich liquid is sent to a top of a pure oxygen column, having a pure oxygen reboiler, in which said flow is purified in order to form a vessel liquid containing at least 98 mol % of oxygen and the vessel liquid is drawn off as a product. A supercharged airflow at a second pressure is sent to the pure oxygen reboiler and to a liquid oxygen vaporizer; a nitrogen-rich gas is drawn from the top of the medium-pressure column and sent to an intermediate reboiler of the low-pressure column and the condensed gas is sent to the top of the medium-pressure column; and a nitrogen-rich gas or air is sent to a vessel reboiler of the low-pressure column and the liquid that condenses therein is sent to the medium-pressure column.Type: GrantFiled: April 5, 2012Date of Patent: July 4, 2017Assignee: L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges ClaudeInventors: Benoit Davidian, Richard Dubettier-Grenier, Loïc Joly
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Patent number: 9657987Abstract: An apparatus for compressing air and producing a carbon dioxide-rich fluid includes an air compressor, an element for bringing the air bound for the air compressor into contact with water to produce humidified air and cooled water, a pipe for sending the humidified compressed air from the air compressor to an installation producing a carbon dioxide-rich gas, a carbon dioxide-rich gas compressor for compressing the carbon dioxide-rich gas, at least one heat exchanger upstream and/or downstream the carbon dioxide-rich gas compressor and pipes for conveying into the heat exchanger water cooled in the contact element and the carbon dioxide-rich gas.Type: GrantFiled: November 4, 2011Date of Patent: May 23, 2017Assignee: L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges ClaudeInventors: Benoit Davidian, Jean-Pierre Tranier