Patents by Inventor Jacques Segret

Jacques Segret 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: 9579620
    Abstract: The invention relates to a method for decreasing the spread of the tube temperatures between tubes in a process involving the heating of at least one fluid in a furnace that comprises at least one radiation chamber with radiant walls, at least one essentially vertical row of tubes inside of which circulate the at least one fluid to be heated, and being equipped with burners that heat the tubes, where the method comprises the steps of: determining, for each of the tubes the skin temperature of the tube, selecting the 50% tubes having the lowest temperatures determined, the process being stopped, realizing on each tube selected an operation that decreases the flow of the fluid distributed to said tube while keeping the total flow rate of the fluid unchanged.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: February 28, 2017
    Assignee: L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Jean Gallarda, Frederic Camy-Perret, Julien Cances, Antoine Hsu, Jacques Segret, Daniel Gary, Patrice Levee, Antonio Coscia, Dirck Simons
  • Publication number: 20150129193
    Abstract: The invention relates to a method for decreasing the spread of the tube temperatures between tubes in a process involving the heating of at least one fluid in a furnace that comprises at least one radiation chamber with radiant walls, at least one essentially vertical row of tubes inside of which circulate the at least one fluid to be heated, and being equipped with burners that heat the tubes, where the method comprises the steps of: determining, for each of the tubes the skin temperature of the tube, selecting the 50% tubes having the lowest temperatures determined, the process being stopped, realizing on each tube selected an operation that decreases the flow of the fluid distributed to said tube while keeping the total flow rate of the fluid unchanged.
    Type: Application
    Filed: May 15, 2013
    Publication date: May 14, 2015
    Inventors: Jean Gallarda, Frederic Camy-Perret, Julien Cances, Antoine Hsu, Jacques Segret, Daniel Gary, Patrice Levee, Antonio Coscia, Dirck Simons
  • Publication number: 20100301274
    Abstract: The present invention relates to a process for the steam reforming of a hydrocarbon mixture in order to produce synthesis gas.
    Type: Application
    Filed: November 26, 2008
    Publication date: December 2, 2010
    Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Jean Gallarda, Jacques Segret
  • Publication number: 20060249101
    Abstract: A steam generator includes at least two successive combustion hearths with at least one burner supplied with fuel and oxidizer, a vaporization zone comprising a vaporization exchanger, a superheating zone comprising a superheating exchanger, a preheating zone comprising a preheating exchanger and a collecting drum, Each hearth includes at least one vaporization exchanger.
    Type: Application
    Filed: January 21, 2004
    Publication date: November 9, 2006
    Inventors: Tidjani Niass, Nicolas Boudet, Gerard Martin, Jacques Dugue, Jacques Segret, Maguelonne Hammel, Umesh Goel, Valerie Naudet
  • Patent number: 6820432
    Abstract: The heat recovery boiler (1) is operated, at least temporarily, by feeding its combustion system with air (13) and with a stream (15) of flue gases (4) recycled to a level of at least 45%, typically between 50 and 65%, so as to allow the efficiency of the boiler to be increased and to decouple it, at least temporarily, from the combustion engine (8) driving a generator (9), the exhaust gases from which are burnt in post-combustion mode in the boiler in cogeneration mode.
    Type: Grant
    Filed: March 3, 2003
    Date of Patent: November 23, 2004
    Assignee: L'Air Liquide, S.A.
    Inventors: Jacques Labasque, Jacques Segret
  • Publication number: 20030172656
    Abstract: The heat recovery boiler (1) is operated, at least temporarily, by feeding its combustion system with air (13) and with a stream (15) of flue gases (4) recycled to a level of at least 45%, typically between 50 and 65%, so as to allow the efficiency of the boiler to be increased and to decouple it, at least temporarily, from the combustion engine (8) driving a generator (9), the exhaust gases from which are burnt in post-combustion mode in the boiler in cogeneration mode.
    Type: Application
    Filed: March 3, 2003
    Publication date: September 18, 2003
    Inventors: Jacques Labasque, Jacques Segret
  • Patent number: 6247315
    Abstract: This invention is related to so-called combined cycle co-generation installations, and it addresses present concerns of the industry. Among these, combustion stability, corrosion (due to large water content in the flue gases), large heat transfer areas, and the like. In some embodiments, an additional heat exchanger is added to heat combustion air with a portion of the exhaust gases resulting from an engine, preferably a gas turbine. As a result, the efficiency of the cycle will improve, the oxidant will be enriched by above 50% oxygen, the combustion process will be enhanced, and the dimensions of the boiler may be reduced. It is considered that the combustion air will require between 10% and 80% of the total flue gas volume, more preferably between 20% and 40%. This is the portion of the flue gases sent through the heat exchanger. A control system designed to optimize the flow of the different streams is also presented.
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: June 19, 2001
    Assignees: American Air Liquids, Inc., L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Ovidiu Marin, Olivier Charon, Jean-Michel Samaniego, Jacques Segret