Patents by Inventor Yoann MARECHAL

Yoann MARECHAL 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: 8919135
    Abstract: A turbojet engine with a fan and a nacelle element forming the secondary duct downstream of the fan is provided. The turbojet engine includes an intermediate casing with an outer shroud to which the nacelle element is fixed by a connecting member. The connecting member includes a cylindrical element secured to the shroud while at the same time being capable of a rotational movement with respect to the axis of the engine and connected to the nacelle element by a bayonet-type fitting.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: December 30, 2014
    Assignee: SNECMA
    Inventors: Emily Barnes, Pierre-Alain Jean-Marie Philippe Hugues Chouard, Yoann Marechal
  • Patent number: 8622341
    Abstract: A suspension rudder bar has the shape of a bar with a transversal axis (Y?Y), symmetrical with respect to a plane (PS) intersecting the rotation axis (X?X) of the engine, and includes links with transmission connecting rods between a rear casing for ejecting gases and a front casing hub of the fan, and a central link to a fastening fixation to an engine fastening pylon. The links of the rudder bar to the transmission connecting rods are arranged on the transversal ends of the rudder bar, and the rudder bar extends, perpendicularly to the axis of the bar (Y?Y), with spars over a sufficient portion and at a determined distance from the edges of the plate to act as an abutment to the plate in the case of a torsion around the central link or of a connecting rod breaking.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: January 7, 2014
    Assignee: SNECMA
    Inventor: Yoann Marechal
  • Publication number: 20120011826
    Abstract: The present invention relates to a turbojet engine with a fan (2) and a nacelle element (2) forming the secondary duct downstream of the fan, the turbojet engine comprising an intermediate casing (6) with an outer shroud (61) to which said nacelle element (8) is fixed by means of a connecting member, wherein the connecting member comprises a cylindrical element (62) secured to the shroud (61) while at the same time being capable of a rotational movement with respect to the axis of the engine and connected to said nacelle element (8) by a bayonet-type fitting.
    Type: Application
    Filed: July 11, 2011
    Publication date: January 19, 2012
    Applicant: SNECMA
    Inventors: Emily Barnes, Pierre-Alain Jean-Marie Philippe Hugues Chouard, Yoann Marechal
  • Publication number: 20110259997
    Abstract: This invention aims at making a rudder bar with a reduced master-couple in the case of a breaking of a connecting rod. To this end, this invention provides shifting the contact areas to the interior of the rudder bar and thereby reducing the transversal bulk thereof. A suspension rudder bar (140) according to this invention has the shape of a bar (14) with a transversal axis (Y?Y)—symmetrical with respect to a plane (PS) intersecting the rotation axis (X?X) of the engine—and comprises links with transmission connecting rods (130a, 130b) between a rear casing (15) for ejecting gases and a front casing (11) hub (11a) of the fan, and central link means (152, 252) to a fastening fixation (150, 250) to an engine fastening pylon.
    Type: Application
    Filed: April 15, 2011
    Publication date: October 27, 2011
    Applicant: SNECMA
    Inventor: Yoann MARECHAL