Patents by Inventor Richard Lavignotte

Richard Lavignotte 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: 9677425
    Abstract: An axisymmetrical portion for an aircraft turbojet engine intermediate case intended to protrude downstream from an outer axisymmetrical portion of the intermediate case is provided. The axisymmetrical portion includes an annular groove radially open outwards, and at least one insert laid out inside the groove, which covers each internal face of the groove and which is radially open outwards.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: June 13, 2017
    Assignee: SNECMA
    Inventors: Richard Lavignotte, Patrick Jean-Louis Reghezza
  • Patent number: 9494486
    Abstract: A method for inspecting impacts present on an internal face of a fan casing, the method including: spotting a first impact present on the internal face of the fan casing; delimiting an inspection area containing the first impact; spotting the various impacts present in the delimited inspection area, the various spotted impacts forming a set of impacts to be considered; measuring, for each impact that is to be considered, the depth of length of the impact; for each impact to be considered, determining a harmfulness value, using at least one chart relating the depth and length of each impact to be considered to a level of harmfulness; determining, for the inspection area containing the first impact, a total harmfulness value by adding together the harmfulness level determined for each impact to be considered.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: November 15, 2016
    Assignee: SNECMA
    Inventors: Julien Tran, Richard Lavignotte
  • Publication number: 20140294573
    Abstract: The invention proposes an axisymmetrical portion (24) for an aircraft turbojet engine intermediate case intended to protrude downstream from an outer axisymmetrical portion of said intermediate case, the axisymmetrical portion (24) including an annular groove (40) radially open outwards, characterized in that it includes at least one insert (60) laid out inside the groove (40), which covers each internal face (50, 52, 54) of the groove (40) and which is radially open outwards. The invention also proposes an insert intended to be mounted in the axisymmetrical portion and a method for mounting the insert in the axisymmetrical portion.
    Type: Application
    Filed: July 26, 2013
    Publication date: October 2, 2014
    Applicant: SNECMA
    Inventors: Richard LAVIGNOTTE, Patrick Jean-Louis Reghezza
  • Publication number: 20140020485
    Abstract: A method for inspecting impacts present on an internal face of a fan casing, the method including: spotting a first impact present on the internal face of the fan casing; delimiting an inspection area containing the first impact; spotting the various impacts present in the delimited inspection area, the various spotted impacts forming a set of impacts to be considered; measuring, for each impact that is to be considered, the depth of length of the impact; for each impact to be considered, determining a harmfulness value, using at least one chart relating the depth and length of each impact to be considered to a level of harmfulness; determining, for the inspection area containing the first impact, a total harmfulness value by adding together the harmfulness level determined for each impact to be considered.
    Type: Application
    Filed: March 15, 2012
    Publication date: January 23, 2014
    Applicant: SNECMA
    Inventors: Julien Tran, Richard Lavignotte