Patents by Inventor Laurent Allidieres

Laurent Allidieres 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).

  • Publication number: 20210364129
    Abstract: Method and device for transferring cryogenic fluid comprising a first tank for distributing cryogenic fluid, a second, receiving cryogenic tank accommodating a cryogenic fluid, a fluid transfer circuit connecting the first and the second tank, the transfer circuit comprising a first pipe that connects the upper parts of the first and second tanks and comprises at least one valve, the transfer circuit comprising a second pipe that connects the lower part of the first tank to the second tank, the second transfer pipe comprising a pump that comprises an inlet connected to the first tank and an outlet connected to the second tank and the pump and the at least one valve of the first pipe being configured to place the upper parts of the first and second tanks in fluidic communication by opening the at least one valve during a transfer of liquid from the first tank to the second tank by way of the pump.
    Type: Application
    Filed: May 17, 2021
    Publication date: November 25, 2021
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Laurent ALLIDIERES, Thomas FAYER, Cyril BENISTAND-HECTOR
  • Publication number: 20210348721
    Abstract: 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: Application
    Filed: September 24, 2019
    Publication date: November 11, 2021
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges Claude
    Inventors: Laurent ALLIDIERES, Renan Luis DE SOUZA SILVA
  • Publication number: 20210341101
    Abstract: 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: Application
    Filed: September 24, 2019
    Publication date: November 4, 2021
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Laurent ALLIDIERES, Renan Luis DE SOUZA SILVA
  • Publication number: 20210317952
    Abstract: Device and method for filling pressurized gas tanks, comprising a fluid transfer circuit comprising an upstream end provided with a plurality of pressurized fluid sources and a downstream end comprising at least two distribution terminals each intended to be connected to separate tanks to be filled, each source comprising a first fluid outlet connected to a first respective outlet valve, each first outlet valve being connected to each of the at least two distribution terminals via parallel transfer ducts, each of the transfer ducts comprising at least one respective isolation valve, each of the distribution terminals being fluidly connected to each first outlet valve of a source via a first direct fluid path passing through a single transfer duct and via at least one second indirect alternative fluid path successively passing through a plurality of transfer ducts.
    Type: Application
    Filed: April 9, 2021
    Publication date: October 14, 2021
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges Claude
    Inventor: Laurent Allidieres
  • Publication number: 20210305595
    Abstract: An installation for supplying a fuel cell with hydrogen comprising a fuel cell, a liquefied hydrogen storage facility and a supply circuit that includes at least one upstream end connected to the storage facility and one downstream end connected to a fuel inlet of the fuel cell, the supply circuit including at least one system for heating hydrogen by heat exchange with a heat source and a set of control valves, the liquefied hydrogen storage facility being configured to keep the liquefied hydrogen in equilibrium with a gaseous phase at a determined nominal storage pressure of between 1.5 and 4.5 bar, the supply circuit including a buffer tank for pressurized gaseous hydrogen which is configured to store the hydrogen withdrawn from the storage facility and heated by the heating system, the set of valves being configured to accumulate pressurized gas in the buffer tank at a determined storage pressure of between 4 and 100 bar, for example between 6 and 8 bar.
    Type: Application
    Filed: March 25, 2021
    Publication date: September 30, 2021
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges Claude
    Inventor: Laurent ALLIDIERES
  • Publication number: 20210254789
    Abstract: A method for storing and distributing liquefied hydrogen using an installation having a storage facility for liquid hydrogen, a source of gaseous hydrogen, a liquefier having an inlet connected to the source and an outlet connected to the liquid hydrogen storage facility, the storage facility having a liquid withdrawal pipe having an end connected to the liquid hydrogen storage facility and an end configured to be connected to at least one mobile tank, the method having a stage of liquefying gaseous hydrogen and a stage of transferring the liquefied hydrogen to the storage facility, wherein the liquefied hydrogen has a temperature below the bubble point of hydrogen at the storage pressure and further having a stage of transfer of liquid hydrogen directly to the tank at a temperature between the saturation temperature at the pressure of the liquid and a temperature above the solidification temperature of the hydrogen.
    Type: Application
    Filed: April 29, 2019
    Publication date: August 19, 2021
    Applicant: L'Air Liquide, Société Anonyme pour I'Etude et I'Exploitation des Precédés Georges Claude
    Inventors: François LAGOUTTE, Laurent ALLIDIERES, Fabien DURAND, Pierre BARJHOUX, Jean-Marc BERNHARDT
  • Publication number: 20210247027
    Abstract: Method for delivering liquefied gas, especially hydrogen, by means of at least one mobile storage facility, especially a storage facility transported by lorry, comprising a step of filling the mobile storage facility with liquefied gas at a source plant, the mobile storage facility containing, after filling, liquefied gas and a fraction of the vaporized gas, the method comprising a movement of the mobile storage facility from the source plant to a receiving station and a transfer of liquefied gas from the mobile storage facility to the receiving station, characterized in that it comprises a step of interim cooling of the liquefied gas contained in the mobile storage facility between the source plant and the receiving station by means of a cooling device comprising a liquefied gas tank and a refrigerating element.
    Type: Application
    Filed: February 5, 2021
    Publication date: August 12, 2021
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges Claude
    Inventors: Laurent ALLIDIERES, Thomas FAYER, Pierre BARJHOUX
  • Publication number: 20210222832
    Abstract: Station for filling one or more tank(s) with pressurized gas, in particular pressurized hydrogen, comprising at least two pressurized gas source stores, a transfer pipe having an upstream end connected parallel to the source stores and a downstream end intended to be connected to a tank to be filled, the station comprising a valve assembly for controlling the transfer of gas between the sources and the tank to be filled and an electronic controller connected to the valve assembly and configured to control the valve assembly, the electronic controller being configured to implement successive transfers of gas between the source stores and the tank to be filled via successive pressure balancing sequences, the electronic controller being configured to determine the temperature attained by the gas in the source stores or by the source stores during transfers of gas and, when said attained temperature is below a determined threshold, to prevent or to interrupt this transfer of gas or to reduce the flow of gas trans
    Type: Application
    Filed: January 20, 2021
    Publication date: July 22, 2021
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Laurent ALLIDIERES, Mathilde WEBER, Etienne WERLEN
  • Publication number: 20210162334
    Abstract: A process for the production of a hydrogen gas stream having a CO content of less than 1 ppm having a production cycle comprising two phases: phase 1 includes a) purifying a synthesis gas in a PSA unit, b) recovering a hydrogen gas stream comprising a CO content of greater than 1 ppm, c) purifying the gas stream by adsorption in a TSA unit, and recovery a hydrogen gas stream exhibiting a CO content of less than 1 ppm, and phase 2 includes e) purifying the synthesis gas in a PSA unit, f) recovering a hydrogen gas stream having a CO content of less than 1 ppm, where throughout steps e) and f), the TSA unit is bypassed by the hydrogen gas stream and is regenerated.
    Type: Application
    Filed: July 13, 2018
    Publication date: June 3, 2021
    Inventors: Daniel GARY, Laurent ALLIDIERES
  • Publication number: 20210010751
    Abstract: 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: Application
    Filed: July 8, 2020
    Publication date: January 14, 2021
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Laurent ALLIDIERES, Gregoire RIGOUT, Pierre BARJHOUX, Pierre-Germain MARLIER
  • Patent number: 10753539
    Abstract: The invention relates to a station and method for filling a tank with a fuel gas. Said station includes at least one fuel gas source store and a gas transfer system having a first upstream end connected to the source store(s) and a second downstream end that is in fluid communication with the tank. The gas transfer system includes at least one control valve, characterized in that the at least one source store includes a rigid outer wall and a flexible sealing wall that is arranged inside the space defined by the rigid outer wall. The flexible wall defines a storage space for the fuel gas. The first upstream end of the system is connected to the storage space defined by the flexible wall.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: August 25, 2020
    Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Laurent Allidieres, Julie Flynn, Clemence Devilliers, Thibaut Francois
  • Publication number: 20200248870
    Abstract: Method for filling a storage vessel with liquefied gas by means of a tank of liquefied gas, the method comprising a step of transferring liquefied gas from the tank into the storage vessel by means of a pressure differential, wherein the storage vessel prior to the transfer step has an internal pressure higher than the internal pressure of the tank, the method comprising, prior to the transfer step, a step of placing the tank and the storage vessel in fluidic communication in order to ensure a drop in the pressure in the storage vessel to the benefit of the tank and a step of increasing the pressure in the tank using a pressurizing device.
    Type: Application
    Filed: January 31, 2020
    Publication date: August 6, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Laurent ALLIDIERES, Anh Thao THIEU, Thomas FAYER
  • Publication number: 20200180955
    Abstract: Process for debottlenecking a plant that produces hydrogen including reforming of hydrocarbons, then conversion of CO, purification of hydrogen by PSA-H2 for the production of a high-pressure gaseous stream of ultra-pure hydrogen with associated production of a low-pressure residue, the two major constituents of which are carbon dioxide and hydrogen, the debottlenecking of the plant is carried out by installing, level with the PSA residue, an EHS electrochemical cell for supplying, from the PSA residue, hydrogen and a hydrogen-depleted residue, the additional hydrogen stream recovered in the EHS cell is compressed and sent to the inlet of the PSA unit thus increasing the hydrogen production of the plant while keeping the purity of the hydrogen produced by the PSA unchanged. The invention also relates to a process and a plant for producing hydrogen having an optimized hydrogen yield.
    Type: Application
    Filed: June 27, 2017
    Publication date: June 11, 2020
    Inventor: Laurent ALLIDIERES
  • Patent number: 10247358
    Abstract: Method for filling a tank with pressurized hydrogen via a filling station comprising at least one buffer container and a fluid circuit connected to said at least one buffer container, the circuit of the filling station comprising a first end connected to at least one source of hydrogen gas, the circuit comprising a second end fitted with a transfer pipe intended to be connected removably to the tank that is to be filled, the method involving a step of cooling the hydrogen supplied to the tank by transferring negative calories between a cold source and the hydrogen, the method being characterized in that it comprises a step of purifying the hydrogen supplied by the source in a purification member before transferring it to the at least one buffer container, and in that it comprises a step of transferring negative calories from said cold source to the hydrogen before and/or during the purification step.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: April 2, 2019
    Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventor: Laurent Allidieres
  • Publication number: 20180119882
    Abstract: The invention relates to a station and method for filling a tank with a fuel gas. Said station includes at least one fuel gas source store and a gas transfer system having a first upstream end connected to the source store(s) and a second downstream end that is in fluid communication with the tank. The gas transfer system includes at least one control valve, characterized in that the at least one source store includes a rigid outer wall and a flexible sealing wall that is arranged inside the space defined by the rigid outer wall. The flexible wall defines a storage space for the fuel gas. The first upstream end of the system is connected to the storage space defined by the flexible wall.
    Type: Application
    Filed: April 5, 2016
    Publication date: May 3, 2018
    Applicant: L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Procedes Georges Claude
    Inventors: Laurent ALLIDIERES, Julie FLYNN, Clemence DEVILLIERS, Thibaut FRANCOIS
  • Patent number: 9845916
    Abstract: Method for filling a tank with pressurized hydrogen via a filling station comprising at least one buffer container and a fluid circuit connected to said at least one buffer container, the circuit of the filling station comprising a first end connected to at least one source of hydrogen gas, the circuit comprising a second end fitted with a transfer pipe intended to be connected removably to the tank that is to be filled, the method involving a step of purifying the hydrogen supplied by the source in a purification member before transferring same to the at least one buffer container, the circuit of the filling station further comprising at least one compression member for compressing the pressurized gas in order to fill the at least one buffer container, the method being characterized in that it comprises a step of transferring heat energy between, on the one hand, the compressed gas of the outlet from the compression member and, on the other hand, the purification member.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: December 19, 2017
    Assignee: L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges Claude
    Inventor: Laurent Allidieres
  • Patent number: 9845917
    Abstract: A method for filling at least one buffer container of a hydrogen filling station, the station comprising a fluid circuit linked to said at least one buffer container, the circuit of the filling station comprising a first end linked to at least one source of hydrogen gas, the circuit comprising a second end provided with a transfer conduit intended to be removably connected to a tank, the method being characterized in that it comprises a step of determining the current concentration of at least one impurity in the hydrogen in the buffer container during the filling of same, a step of comparing said current concentration of the impurity relative to a predefined threshold concentration and, when the current concentration of the at least one impurity reaches said threshold concentration, stopping the filling of said buffer container.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: December 19, 2017
    Assignee: L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges Claude
    Inventor: Laurent Allidieres
  • Patent number: 9546645
    Abstract: The invention relates to a device for pumping a cryogenic fluid, consisting of a tank for storing a cryogenic fluid containing cryogenic liquid, a cryogenic pump having an inlet pressure loss, and a suction line connecting the tank to the pump, said pumping device including a system for controlling the pressure in the tank for selectively maintaining said pressure at least equal to the saturation pressure of the stored cryogenic fluid plus the inlet pressure loss of the cryogenic pump and optionally plus the value of the pressure losses owing to the pipes forming the suction line connecting the tank to the pump. The invention is characterized in that the pressure-control system includes a duct connecting a high-pressure outlet of the pump to the tank for selectively returning the pumped cold fluid to the tank, said duct including an expansion valve for returning cold gas to the tank.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: January 17, 2017
    Assignee: L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges Claude
    Inventor: Laurent Allidieres
  • Patent number: 9528657
    Abstract: Device for filling a container with a gas under pressure, especially hydrogen in a tank of a vehicle, comprising at least one source (1, 2, 3, 6) of gas pressurized to a first pressure, called high pressure, a transfer circuit (201, 36, 13, 14, 136, 146) capable of selectively connecting the source or sources (1, 2, 3, 6) of pressurized gas to the tank to be filled, the transfer circuit comprising control members (204, 132, 142) for controlling the flow of the gas from the source or sources (1, 2, 3, 6) to the tank, the transfer circuit further including at least one cooling exchanger (9), for cooling the pressurized gas, wherein the cooling exchanger (9) comprises a hot flow circuit (99) for the pressurized gas to be cooled, a cold flow circuit (98) for a cold cooling fluid, and a refrigeration hold-over medium (5), the refrigeration hold-over medium (5) being in direct heat exchange, on the one hand, with the cold fluid of the cold circuit (98) and, on the other hand, with the pressurized gas to be cooled o
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: December 27, 2016
    Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Laurent Allidieres, Thomas Charbonneau, Thomas Vinard, Sebastian-Eloy Sequeira
  • Patent number: 9528658
    Abstract: The invention relates to a tap including a body, which is provided with a gas inlet that is to be connected to the storage space of a container, a bleed-off circuit, including a downstream end, characterized in that the tap further includes a circuit for selectively controlling the movement of the isolation valve into the first position for opening the bleed-off circuit, the control circuit including a first end connected to the valve, and a second end that can be selectively coupled to an actuator of a gas bleed-off member, in order to selectively electrically control the movement of the valve into the position for opening the bleed-off circuit.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: December 27, 2016
    Assignee: L'Air Liquide, Société Anonyme pour L'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Guillaume Roberge, Laurent Allidieres, Zsolt Zsigmond