Patents Assigned to L'Exploitation Des
  • METHOD FOR CRYOGENICALLY SEPARATING A MIXTURE OF NITROGEN AND CARBON MONOXIDE
    Publication number: 20120279254
    Abstract: A method for separating a feed gas, containing nitrogen and carbon monoxide as main components, in a distillation column: the feed gas is cooled in a heat exchanger; at least a portion of the feed gas, or at least a portion of a gas derived from the feed gas, is sent to a reboiler of the distillation column so as to condense the gas while producing a liquid, and optionally a gas; at least a portion of the liquid is sent to the distillation column; a nitrogen gas-rich flow is extracted from the distillation column; a carbon monoxide-rich flow is extracted from the distillation column, heated in the heat exchanger, and compressed so as to provide a carbon monoxide-rich material at production pressure.
    Type: Application
    Filed: November 4, 2010
    Publication date: November 8, 2012
    Applicant: L'Air Liquide Societe Annonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claud
    Inventors: Arthur Darde, Antoine Hernandez, Bernard Saulnier
  • Linear Electrodynamic-Type Motor, Cryocooler Including Such a Motor and Method Implementing Such a Motor
    Publication number: 20120279234
    Abstract: This motor includes: a translationally movable induction coil; a power-supply circuit adapted to deliver, to at least one induction coil, an AC power-supply current; a movable mass adopting a translational movement an induction coil arranged so as to move a respective movable mass between a first position and a second position where the movable mass can compress the fluid; a secondary circuit arranged to connect the terminals of at least one induction coil in short-circuit; The secondary circuit comprises a compensation component for producing a phase shift between the power-supply voltage and the power-supply current, so as to reduce the phase difference that the inductance of the induction coil produces.
    Type: Application
    Filed: May 2, 2012
    Publication date: November 8, 2012
    Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Gérald AIGOUY, James Butterworth, Benoit Debray, Jean Christophe Rey
  • Method and Device for Low-Temperature Cooling/Liquefaction
    Publication number: 20120279239
    Abstract: The invention relates to a method for low-temperature cooling/liquefaction of a working fluid, in particular a working fluid including helium or consisting of pure helium by means of a refrigerator/liquefier that includes a working circuit provided with a compressor station and a cold box. The refrigerator/liquefier subjects the working gas within the working circuit to a cycle that includes, in series: compressing the working fluid within the compressor station, cooling and decompressing the working fluid in the cold box, and heating the working fluid with a view to the return thereof to the compressor station. The compressor station includes one or more compression levels, each one using one or more compressors mounted on landings.
    Type: Application
    Filed: November 4, 2010
    Publication date: November 8, 2012
    Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L 'Exploitation Des Procedes Georges Claude
    Inventors: Jean-Marc Bernhardt, Frederic Andrieu, Franck Delcayre, Fabien Durand, Veronique Grabie
  • METHOD AND APPARATUS FOR COMPRESSING AND COOLING AIR
    Publication number: 20120279255
    Abstract: The invention relates to a method for compressing and cooling air upstream from a facility for cryogenic separation of air, with no means for exchange by indirect heat, in which humid air is compressed in a compressor, the air compressed in the compressor is cooled in a first exchanger having indirect heat exchange, water is recovered from the air upstream and/or downstream from cooling in the first exchanger, the air cooled in the first exchanger is sent to a purification unit in order to produce air purified of carbon dioxide and/or water, the purified air is sent to the cryogenic separation facility, and at least one gas is recovered from the cryogenic separation facility.
    Type: Application
    Filed: November 22, 2010
    Publication date: November 8, 2012
    Applicant: L'Air Liquide Societe Anonyme Pour L'Etude ET L'Exploitation Des Procedes Georges Claude
    Inventor: Benoit Davidian
  • METHOD AND DEVICE FOR PRODUCING ALKENE DERIVATIVES
    Publication number: 20120277464
    Abstract: The invention relates to a method for producing a flow containing at least one alkene derivative, including the following steps: a step a) of reacting a flow containing one or more alkenes and one or more alkanes—the ratio of said alkanes to said alkenes being at least 1 by volume—with a flow containing mainly oxygen, in order to obtain at least one converted flow containing at least said alkene derivative; a step b) of separating the converted flow produced in step a) into at least said flow containing at least said alkene derivative and a residual flow containing mainly one or more hydrocarbons and one or more inert compounds; and a step c) of separating all or a portion of said residual flow by means of permeation into at least one first flow containing mainly one or more inert compounds and a second flow containing mainly one or more hydrocarbons.
    Type: Application
    Filed: October 27, 2010
    Publication date: November 1, 2012
    Applicants: Arkema France, L'Air Liquide Societe Anonyme Puor L'Exploitation des Procedes Georges Claude
    Inventors: Christophe Claeys, Alberto Garcia, Sylvain Gerard, Nicolas Dupont, Jean Luc Dubois, Serge Tretjak, Nabil Tlili
  • METHOD AND APPARATUS FOR DRYING AND COMPRESSING CO2-RICH FLOW
    Publication number: 20120272680
    Abstract: In a method for compressing a water-containing CO2-rich fluid wherein the CO2-rich fluid is compressed in a compressor located upstream from the compression step, an antifreeze agent is injected into the water-containing CO2-rich fluid in order to lower the water solidification temperature. The antifreeze agent-containing CO2-rich fluid is frozen, water is extracted from the frozen fluid, and the frozen fluid is compressed in the compressor.
    Type: Application
    Filed: December 21, 2010
    Publication date: November 1, 2012
    Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Alain Briglia, Arthur Darde
  • Method of preparing a thin ceramic composition with two materials, the composition thus obtained and the constituent electrochemical cell and membrane
    Patent number: 8293143
    Abstract: A method to prepare a thin ceramic or metallic solid-state composition comprising three phases: a material (A), a material (B), and pores, wherein the porous matrix of material (A) has a porosity gradient in the range of about 0% to about 80%, and wherein the pores are partially or completely filled with material (B). Various compositions and methods of use for the prepared composition are also disclosed.
    Type: Grant
    Filed: February 11, 2008
    Date of Patent: October 23, 2012
    Assignee: L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Thierry Chartier, Francois Guillotin
  • Hydrogen filling method and station
    Patent number: 8291944
    Abstract: Hydrogen filling station, in particular, for refilling vehicle tanks with hydrogen gas, comprising a source reservoir designed to hold liquid hydrogen (LH2), a pipe for withdrawing liquid hydrogen from the source reservoir to at least one user station, an electric cryogenic pump arranged within the withdrawing pipe and an electric power supply connected to the cryogenic pump to supply the same with electricity, characterized in that the electric energy supply comprises at least one fuel cell.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: October 23, 2012
    Assignee: L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventor: Laurent Allidieres
  • Method for controlled filling of pressurized gas tanks
    Patent number: 8286670
    Abstract: The invention concerns a method for filling pressurized gas tanks, characterized in that the filling process is interrupted when the input pressure reaches a maximum filling pressure, the maximum filling pressure in the cylinder being calculated to match the most serious of the two following conditions: nominal filling capacity or design temperature of the cylinders.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: October 16, 2012
    Assignee: L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Jean-Yves Faudou, Jean-Yves Lehman, Jaya-Sitra Pregassame
  • Method and Apparatus for Cooling and/or Deep-Freezing Products, Especially Food Products, Implementing the Injection of Two Cryogenic Liquids
    Publication number: 20120255315
    Abstract: The invention relates to a method for cooling materials, in particular food, in a cooling apparatus, the cooling being completely or partially carried out by contacting the materials with a cryogenic liquid. Said method is characterized in that the contacting is carried out by means of the injection of two cryogenic liquids, nitrogen and CO2. The liquid nitrogen and the liquid CO2 are injected either separately, into at least two injection points of the apparatus, or by mixing both cryogenic fluids at the injection point. The invention is of use if the apparatus being utilized is a mixing, batch mixing, or grinding chamber, with the injection being carried out into the body of the material in the bottom portion of the chamber.
    Type: Application
    Filed: December 7, 2010
    Publication date: October 11, 2012
    Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Franck Cousin, Nicolas Fachon, Willy Frederick, Pierre Kowalewski, Maryline Perrot-Minot
  • Catalytic Reactor Including a Catalytic Cellular Structure and at least One Structural Element
    Publication number: 20120248377
    Abstract: The invention relates to a catalytic reactor including at least two catalytic cellular architectures and at least one structural element, inserted between the two catalytic cellular architectures, in which the entire outer perimeter is in contact with the inner wall of the reactor, the cellular architecture and the structural element being arranged coaxially.
    Type: Application
    Filed: November 24, 2010
    Publication date: October 4, 2012
    Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L' Exploitation Des Procedes Georges Claude
    Inventors: Pascal Del-Gallo, Daniel Gary, Aude Cuni, Mathieu Cornillac
  • Cutting method using a laser having at least one ytterbium-based fiber, in which at least the power of the laser source, the diameter of the focused beam and the beam quality factor are controlled
    Patent number: 8278591
    Abstract: The invention relates to method for cutting a part using a laser beam, involving the use of laser beam generation means comprising at least one ytterbium-based fibre having a wavelength of between 1 and 4 ?m in order to generate the laser beam. The laser beam is selected to have a power of less than 100 kW, a power density of at least 1 MW/cm2, a focused beam diameter of at least 0.1 mm and a quality factor (BPP) of less than 10 mm·mrad.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: October 2, 2012
    Assignee: L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Karim Chouf, Hakim Maazaoui, Eric Verna, Françis Briand
  • METHOD FOR THE PRODUCTION OF HYDROGEN COMBINED WITH CARBON DIOXIDE CAPTURE
    Publication number: 20120241678
    Abstract: The present invention relates to a method for the combined production of hydrogen and carbon dioxide from a hydrocarbon mixture, in which the hydrocarbon mixture is reformed to produce a syngas which is cooled, then enriched with H2 and CO2, optionally dried, and treated in a PSA hydrogen purification unit to produce hydrogen, the PSA offgas being treated to capture the CO2 and to supply an offgas. This offgas is again treated to supply a stream enriched with H2 and CO2 which is returned to the PSA, where it constitutes a second feed distinct from the main feed.
    Type: Application
    Filed: December 2, 2010
    Publication date: September 27, 2012
    Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Solene Valentin, Paul Terrien, Pascal Tromeur
  • Catalytic Reactor Including a Cell-Like Structure and Elements Optimizing the Contact Thereof with the Inner Wall of the Reactor
    Publication number: 20120235096
    Abstract: The invention relates to a catalytic reactor including: a reaction chamber; at least one catalytic structure made up of at least one catalytic cell-like architecture having outer dimensions at most 10% smaller than the inner dimensions of the reaction chamber; an annular space between the inner wall of the reaction chamber and the cell-like architectures; and at least one second structure positioned in the annular space, selected from among: a) a fibrous structure, or b) a structure including at least one metal collar clasping at least one portion of the cell-like architectures and supporting metal fins.
    Type: Application
    Filed: November 24, 2010
    Publication date: September 20, 2012
    Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L;Exploitation Des Procedes Georges Claude
    Inventors: Pascal Del-Gallo, Daniel Gary, Aude Cuni, Mathieu Cornillac
  • Hollow organic/inorganic composite fibers, sintered fibers, methods of making such fibers, gas separation modules incorporating such fibers, and methods of using such modules
    Patent number: 8268041
    Abstract: A suspension of inorganic particles, a copolymer comprising soft segments and hard segments, and a solvent may be extruded through a spinnerette to produce inorganic/organic composite hollow precursor fibers. The precursor fibers may be sintered. The fibers may be utilized in a gas separation module for separation of a gas mixture or production of syngas. The fibers may be installed in the gas separation module after sintering or they may be sintered after installation.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: September 18, 2012
    Assignee: L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Okan Max Ekiner, Timothy L. Murray, Nicolas Richet
  • Compressed air producing method and producing plant
    Patent number: 8268045
    Abstract: A compressed air producing method, in which two or more adsorption columns, in all or part of which a zeolite-series adsorbent is charged, are switched over to purify feed air and the adsorbent charged in at least one adsorption column of said adsorption columns is regenerated in turn with regeneration gas, is characterized by comprising a step of performing, when an adsorption column (R) in a regeneration step transfers to a purification step, the purge of said adsorbent with purified air, and characterized in that the internal pressure of an adsorption column (R) in the purge step is controlled such that a differential pressure thereof from the internal pressure of an adsorption column (P) in the purification step falls within a specified value.
    Type: Grant
    Filed: January 15, 2007
    Date of Patent: September 18, 2012
    Assignee: L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Yong Yi Lim, Tsuyoshi Matsutomi, Shoji Kaneshima, Shinji Tomita
  • Method and apparatus for the fluorination of plastics
    Patent number: 8268254
    Abstract: The gas-phase fluorination of plastic articles is effected in a reaction chamber 1 into which the plastic articles to be fluorinated are introduced. The gas-phase fluorination is effected at normal or atmospheric ambient pressure of about 1 kPa in the reaction chamber. The gas-phase fluorination can be carried out statically or dynamically. The flushing carried out before the gas-phase fluorination for complete or partial removal of atmospheric oxygen from the reaction chamber 1 can also be effected at atmospheric pressure in the reaction chamber. The reaction chamber 1 is equipped with a cover 2 and metering valves V0, V1, V2 for air, inert gas and gas mixture comprising fluorine and one or more inert gases are present on the entrance side of the reaction chamber, which is not vacuum-tight and hence also cannot be evacuated. The metering valves are connected to the reaction chamber 1 via a flow meter 4.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: September 18, 2012
    Assignee: L'Air Liquide Societe Anonyme pour L'Etude Et L'Exploitation des Procedes Georges Claude
    Inventors: Rolf Van Bonn, Joachim Barbe
  • METHOD FOR PURIFYING A GAS FLOW IMPLEMENTING A CONTACTOR HAVING PARALLEL PASSAGES WHILE MAINTAINING THE PERFORMANCE THEREOF
    Publication number: 20120227583
    Abstract: The invention relates to a method for purifying a gas flow including at least a first compound selected from the compounds of a first group including water, ammonia, aromatics, alkane-, alkene-, or alkyne-type hydrocarbons containing at least 5 carbon atoms, aldehydes, ketones, halogen hydrocarbons, hydrogen sulfide, hydrogen chloride, and at least second and third compounds selected from the compounds of a second group including helium, hydrogen, nitrogen, oxygen, argon, carbon monoxide, carbon dioxide, hydrocarbons lower than C5, wherein said method comprises a variable-pressure adsorption implementing at least one main adsorber comprising at least one contactor having parallel passages, characterized in that said first compound is at least partially stopped upstream from said main adsorber.
    Type: Application
    Filed: November 4, 2010
    Publication date: September 13, 2012
    Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Christian Monereau, Francois Fuentes, Celine Carriere, Bhadra S. Grover, Yudong Chen, Madhava Kosuri
  • DIHALIDE GERMANIUM(II) PRECURSORS FOR GERMANIUM-CONTAINING FILM DEPOSITIONS
    Publication number: 20120231611
    Abstract: Disclosed are GeX2Ln molecules, with X being a halide, L being an adduct other than C4H8O2, and 0.5?n?2. These molecules have lower melting points and/or increased volatility compared to GeCl2-dioxane. Also disclosed is the use of such molecules for deposition of thin films, such as chalcogenide, SiGe, and GeO2 films.
    Type: Application
    Filed: September 2, 2010
    Publication date: September 13, 2012
    Applicant: L'Air Liquide Societe Anonyme pour l'Exploitation des Procedes Georges Claude
    Inventors: Julien Gatineau, Andreas Zauner, Hana Ishii
  • DEVICE FOR DISPENSING FLUID JETS WITHOUT A ROTATING JOINT
    Publication number: 20120222708
    Abstract: The disclosure relates to a device for dispensing one or more jets of cryogenic fluid, particularly liquid nitrogen, comprising a fluid conveying pipeline feeding one or more fluid dispensing nozzles arranged at the downstream end of said pipeline, and a motor collaborating with the fluid conveying pipeline via a rotary transmission shaft and a transmission mechanism.
    Type: Application
    Filed: June 24, 2010
    Publication date: September 6, 2012
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Jacques Quintard, Frédéric Richard, Charles Truchot