Patents by Inventor Philippe Dolleans

Philippe Dolleans 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).

  • Pressurised water nuclear reactor vessel
    Patent number: 7929657
    Abstract: The invention relates to a pressurised water nuclear reactor vessel, comprising: an outer casing which comprises at least one cylindrical shell and a dished bottom head, a core support plate, a vessel bottom head space being delimited between the support plate and the dished bottom head, the support plate being perforated with holes for circulation of the primary coolant which place the vessel bottom head space in communication with the core, a calming device which is arranged in the vessel bottom head space, wherein the calming device comprises at least one calming plate which is substantially perpendicular relative to the centre axis of the vessel and a plurality of calming holes, the calming holes being provided in the calming plate and being capable of calming the primary coolant by passing the fluid through the holes.
    Type: Grant
    Filed: November 2, 2006
    Date of Patent: April 19, 2011
    Assignee: Areva NP
    Inventors: Thierry Muller, Philippe Dolleans, Fabien Hensch
  • Pressurised water nuclear reactor vessel
    Publication number: 20070177709
    Abstract: The invention relates to a pressurised water nuclear reactor vessel, comprising: an outer casing which comprises at least one cylindrical shell and a dished bottom head, a core support plate, a vessel bottom head space being delimited between the support plate and the dished bottom head, the support plate being perforated with holes for circulation of the primary coolant which place the vessel bottom head space in communication with the core, a calming device which is arranged in the vessel bottom head space, wherein the calming device comprises at least one calming plate which is substantially perpendicular relative to the centre axis of the vessel and a plurality of calming holes, the calming holes being provided in the calming plate and being capable of calming the primary coolant by passing the fluid through the holes.
    Type: Application
    Filed: November 2, 2006
    Publication date: August 2, 2007
    Applicant: AREVA NP
    Inventors: Thierry Muller, Philippe Dolleans, Fabien Hensch