Patents by Inventor Marc Wagner

Marc Wagner 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).

  • Patent number: 6984258
    Abstract: Method and apparatus for treating a gas by adsorption. A gas is compressed and then treated by being circulated in an adsorber. A regenerating fluid is indirectly heated by the gas coming from the compressor. In a second regeneration phase, the regenerating fluid is sent directly to the adsorber, while the treated gas is refrigerated by an auxiliary refrigerator.
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: January 10, 2006
    Assignee: L'Air Liquide, Société Anonyme à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Norbert Niclout, Marc Wagner
  • Patent number: 6932264
    Abstract: A method for producing a plate heat exchanger with multiple plates made of a solderable material. The plated define circuits for fluid circulation and are assembled together by soldering. The soldering is done after a soldering material is applied to the regions to be soldered. The soldering material is deposited on the plates with an electrolytic solution.
    Type: Grant
    Filed: October 26, 2001
    Date of Patent: August 23, 2005
    Assignees: L'Air Liquide, Société Anonyme {dot over (a)} Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges Claude, Nordon Cryogénie
    Inventors: Marc Wagner, Sophie Wastiaux, Norbert Niclout
  • Publication number: 20050029242
    Abstract: The invention concerns a method for arc-welding of at least a metal workpiece (1) on a matrix (2) comprising at least a brazed zone (3) whereof the brazing contains copper and phosphorus, which comprises the following steps: (a) producing on at least part of the brazed zone (3), a deposition of at least a layer (5, 6, 7) of pure copper or of a copper alloy for which the phosphorus solubility limit is between about 0.1 and 3.5% at solidification temperature; and (b) welding the metal workpiece (1) on said at least one copper layer (5, 6, 7) deposited in step (a). The invention also concerns a method for making a brazed heat exchanger using such a welding process. The invention further concerns the resulting heat exchangers and their use in cryogenic gas separation, in particular air separation in a cryogenic separating unit.
    Type: Application
    Filed: October 14, 2002
    Publication date: February 10, 2005
    Inventors: Christian Bonnet, Marc Wagner, Jean-Marie Fortain
  • Publication number: 20040244594
    Abstract: A process and apparatus for treating a gas by adsorption wherein additional heat is provided to the regeneration fluid by external means prior to its use in the regeneration process.
    Type: Application
    Filed: April 9, 2004
    Publication date: December 9, 2004
    Inventors: Norbert Niclout, Marc Wagner
  • Patent number: 6817407
    Abstract: In such an exchanger, in which the blocks have fluid inlet openings in communication with the interior space of a supply box which runs alongside the block and communicates with at least one analogous box of an adjacent block to form a fluid supply line, in order to even out the distribution of fluid between the openings of the blocks, the supply line contains at least one grating (30) leaving perforations (301) and solid parts (302) which are distributed in such a way as to create pressure drops which are such that the flow velocities of the fluid in the inlet openings downstream of the grating have similar values.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: November 16, 2004
    Assignee: L'Air Liquid—Societe Anonyme a Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Marc Wagner, François Fuentes, Zhijie Chen
  • Publication number: 20040222200
    Abstract: The invention relates to a process for the arc welding of at least one metal workpiece (1) to a matrix (2) comprising at least one brazed zone (3), the braze of which contains copper and phosphorus, in which (a) at least one layer (5, 6, 7) of an alloy containing copper and more than 1% tin by weight is deposited on at least one part of the brazed zone (3) and (b) the metal workpiece (1) is welded to the said at least one layer (5, 6, 7) of copper/tin alloy deposited in step (a). Process for manufacturing a brazed copper heat exchanger, in which such a welding process is carried out. Exchangers thus obtained and their use in the cryogenic separation of gases, particularly air gases, in a cryogenic separation unit.
    Type: Application
    Filed: July 28, 2003
    Publication date: November 11, 2004
    Inventors: Christian Bonnet, Jean-Marie Fortain, Marc Wagner
  • Publication number: 20040173344
    Abstract: The invention concerns a louvered fin comprising an assembly of wave stems (123) alternately linked by a wave crest (121) and a wave base (122), and wherein the wave stems (123) are provided with flaps (125) cut out in said wave stems (123) and sloping at angle relative to the main undulating direction (D1). The wave stems (123), crests (121) and bases (122) form, in cross-section relative to the main undulating direction (D1), rectilinear segments, the crests and the bases being mutually parallel.
    Type: Application
    Filed: April 16, 2004
    Publication date: September 9, 2004
    Inventors: David Averous, Michael Grivel, Marc Wagner, Fabienne Chatel-Pelage, Francois Fuentes, Claire Szulman, Etienne Werlen
  • Publication number: 20040129412
    Abstract: The invention concerns a method for making a plate heat exchanger, comprising a plurality of plates made of a solderable material defining circuits for fluid circulation and assembled together by soldering, said soldering being carried out after depositing a soldering material on the zones to be soldered. Said soldering material is deposited using an electrolytic solution. The invention is applicable to evaporators/condensers of air separating appliances.
    Type: Application
    Filed: April 24, 2003
    Publication date: July 8, 2004
    Inventors: Marc Wagner, Sophie Wastiaux, Norbert Niclout
  • Patent number: 6695043
    Abstract: An evaporator has main passages placed in a heat-exchange relationship, an arrangement for forming a pool of the liquid to be evaporated so that it flows through at least a first of the main passages, and a device for introducing a refrigerant into at least a second of the main passages so that evaporation of the liquid is ensured.
    Type: Grant
    Filed: December 7, 1999
    Date of Patent: February 24, 2004
    Assignee: L'Air Liquide - Societe Anonyme a Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Marc Wagner, Jean-Yves Thonnelier, Etienne Werlen, Jean-Renaud Brugerolle, Jean-Yves Lehman
  • Patent number: 6543252
    Abstract: The invention relates to a vaporizer-condensor (4) of the bath type, comprising at least one heat exchange body (13), having a multitude of flat passages (18) for the countercurrent circulation of two fluids in a same direction, and a sealed chamber (14) for confining a fluid containing the or each heat exchange body, the confinement chamber comprising a central section (50) of generally cylindrical shape along a longitudinal axis (Y—Y). The longitudinal axis of the central section of said or each confinement chamber is orthogonal to the direction of countercurrent circulation of the fluids in the flat passages of the corresponding heat exchange body. Use in double column air distillation installations.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: April 8, 2003
    Assignee: L'Air Liquide - Societe Anonyme a Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Francois Fuentes, Marc Wagner, Claude Gerard
  • Patent number: 6509906
    Abstract: A method, apparatus, and article of manufacture for enabling the creation of authorable, dynamic software objects. An apparatus made in accordance with the present invention comprises a computer and an attached monitor, stream means, display property means, display representation means, and display configuration means. The stream means is performed by the computer and accepts at least one graphic primitive into the software object. The display property means is performed by the computer and stores at least one quality associated with each graphic primitive in the software object. The display representation means is performed by the computer and graphically represents a selected set of display properties of the software object. The display configuration means is performed by the computer and selectively displays one of the sets of graphical representations of the software object on the monitor of the computer.
    Type: Grant
    Filed: April 29, 1999
    Date of Patent: January 21, 2003
    Assignee: Autodesk, Inc.
    Inventors: James Matson Awe, Marc Wagner Schindewolf, Chad Steven Ames
  • Publication number: 20020050346
    Abstract: Method of manufacturing a plate heat exchanger of the type comprising a plurality of plates and possibly of separating elements, made of a brazable material, which define circuits for the circulation of fluids and are assembled to one another by brazing. The brazing takes place after the foils of brazing alloy have been deposited on the regions to be brazed. The foils and the regions to be brazed are co-rolled before the brazing. The invention is applicable to the reboiler-condensers of air separation plants.
    Type: Application
    Filed: October 29, 2001
    Publication date: May 2, 2002
    Applicant: L'Air Liquide
    Inventors: Jean-Claude Colin, Marc Wagner
  • Publication number: 20020023739
    Abstract: In such an exchanger, in which the blocks have fluid inlet openings in communication with the interior space of a supply box which runs alongside the block and communicates with at least one analogous box of an adjacent block to form a fluid supply line, in order to even out the distribution of fluid between the openings of the blocks, the supply line contains at least one grating (30) leaving perforations (301) and solid parts (302) which are distributed in such a way as to create pressure drops which are such that the flow velocities of the fluid in the inlet openings downstream of the grating have similar values.
    Type: Application
    Filed: August 8, 2001
    Publication date: February 28, 2002
    Inventors: Marc Wagner, Francois Fuentes, Zhijie Chen
  • Patent number: 6347662
    Abstract: An exchanger comprises a plurality of plates (8) made of copper, nickel or aluminium or an alloy of these metals, which are separated by exchange corrugations made of copper or a copper alloy (6) and two outer sheets (7). The distance between the plates is more than 6 mm, optionally 8 mm.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: February 19, 2002
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Benoît Davidian, Marc Wagner
  • Publication number: 20020017111
    Abstract: A distillation apparatus comprises a reboiler/condenser (30), cleanable in operation, being duplicated by another reboiler/condenser (40).
    Type: Application
    Filed: December 26, 2000
    Publication date: February 14, 2002
    Inventors: Francois Fuentes, Marc Wagner
  • Publication number: 20010018829
    Abstract: Apparatuses which, in steady-state operation, are at temperatures very different from ambient temperature, are each supported by a base support device, or are secured by a separating support device, and are linked by a pipe device. In order to reduce the mechanical stresses on the pipe device, at least two components of the structure among the support devices and the pipe device are made of different materials having an expansion coefficient and/or a thermal conductivity coefficient which are different so that when the plant goes from inactivity at ambient temperature to steady-state operation the variations in length of the components made of different materials are concomitant. Such structures are usable in air distillation plants.
    Type: Application
    Filed: February 21, 2001
    Publication date: September 6, 2001
    Applicant: L'Air Liquide, Societe Anonyme
    Inventor: Marc Wagner
  • Patent number: 5904205
    Abstract: The heat exchanger is of the type comprising a stack of parallel plates and, between these plates, undulant spacers, each pair of plates defining a passage for fluid of generally flat shape. Certain passages (20) are subdivided over one part of their length into two closed subpassages (at 45, 57) at locations longitudinally offset relative to each other. The exchanger is applicable in cryogenic heat exchangers of installations for the distillation of air.
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: May 18, 1999
    Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
    Inventors: Maurice Grenier, Francis Cabre, Francois Dehaine, Marc Wagner
  • Patent number: 5857517
    Abstract: The heat exchanger is of the type comprising a stack of parallel plates and, between these plates, undulant spacers, each pair of plates defining a passage for fluid of generally flat shape. Certain passages (20) are subdivided over one part of their length into two closed subpassages (at 45, 57) at locations longitudinally offset relative to each other. The exchanger is applicable in cryogenic heat exchangers of installations for the distillation of air.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: January 12, 1999
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Maurice Grenier, Francis Cabre, Francois Dehaine, Marc Wagner
  • Patent number: 5787975
    Abstract: The heat exchanger is of the type comprising a stack of parallel plates and, between these plates, undulant spacers, each pair of plates defining a passage for fluid of generally flat shape. Certain passages (20) are subdivided over one part of their length into two closed subpassages (at 45, 57) at locations longitudinally offset relative to each other. The exchanger is applicable in cryogenic heat exchangers of installations for the distillation of air.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: August 4, 1998
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Maurice Grenier, Francis Cabre, Francois Dehaine, Marc Wagner
  • Patent number: 5632807
    Abstract: A device for separating at least one component from a gas mixture, comprising at least a pair of adsorber units, each adsorber unit comprising an envelope defining an inner volume having a lower end zone and an upper end zone. There is at least one adsorbent layer between the lower and upper end zones. A first conduit has one end communicating with the lower end zone, and a second conduit has one end communicating with the upper end zone. The adsorber units of the pairs are superposed and one of the first and second conduits of each adsorber includes a vertical central tube portion. The vertical central tube portions of the pair of adsorber units are mechanically interconnected in endwise abutting relationship. The adsorber units are superposed such that the envelopes of adjacent units leave an intermediate space therebetween. The first and second conduits each have an outer portion extending out of the envelope in the intermediate space.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: May 27, 1997
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Shinji Tomita, Shuichi Muruyama, Marc Wagner