Patents by Inventor Olivier Abgrall

Olivier Abgrall 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).

  • Assembly of sectorized fixed stators for a turbomachine compressor
    Patent number: 7946811
    Abstract: An assembly of sectorized fixed compressors for a turbomachine compressor is disclosed. The assembly is a single piece and includes two coaxial rings connected by radial airfoils. The outer ring includes two annular mounting lugs on a casing of the compressor. At least one of these annular lugs is connected to the outer ring in a zone axially separate from the zone for connecting the leading edges or trailing edges of the airfoils to the outer ring.
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: May 24, 2011
    Assignee: SNECMA
    Inventors: Olivier Abgrall, Yvon Cloarec
  • Sector of a compressor guide vanes assembly or a sector of a turbomachine nozzle assembly
    Patent number: 7887286
    Abstract: A sector of a compressor guide vanes assembly or a sector of a turbomachine nozzle assembly. It comprises an inner ring sector (4), an outer ring sector (6) and a multitude of blades (8) connecting the inner ring sector (4) to the outer ring sector (6). The outer ring sector (6) or the inner ring sector (4) comprises radial cuts (10) situated between two consecutive blades (8) in such a way as to split them into the same number of elementary sectors as there are blades. Housings (14) are provided, secant to the radial cuts (10), damping inserts (16) being positioned in said housings.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: February 15, 2011
    Assignee: Snecma
    Inventors: Olivier Abgrall, Laurent Gilles Dezouche, Francois Maurice Garcin, Jean-Pierre Francois Lombard
  • SECTOR OF A COMPRESSOR GUIDE VANES ASSEMBLY OR A SECTOR OF A TURBOMACHINE NOZZLE ASSEMBLY
    Publication number: 20070297900
    Abstract: A sector of a compressor guide vanes assembly or a sector of a turbomachine nozzle assembly. It comprises an inner ring sector (4), an outer ring sector (6) and a multitude of blades (8) connecting the inner ring sector (4) to the outer ring sector (6). The outer ring sector (6) or the inner ring sector (4) comprises radial cuts (10) situated between two consecutive blades (8) in such a way as to split them into the same number of elementary sectors as there are blades. Housings (14) are provided, secant to the radial cuts (10), damping inserts (16) being positioned in said housings.
    Type: Application
    Filed: June 15, 2007
    Publication date: December 27, 2007
    Applicant: SNECMA
    Inventors: Olivier ABGRALL, Laurent Gilles DEZOUCHE, Francois Maurice GARCIN, Jean-Pierre Francois LOMBARD
  • ASSEMBLY OF SECTORIZED FIXED STATORS FOR A TURBOMACHINE COMPRESSOR
    Publication number: 20070172349
    Abstract: An assembly of sectorized fixed compressors (50) for a turbomachine compressor, this assembly being made in a single piece and comprising two coaxial rings (20, 52) connected by radial airfoils (24), the outer ring comprising two annular mounting lugs (56, 66) on a casing of the compressor, at least one of these annular lugs being connected to the outer ring in a zone axially separate from the zone for connecting the leading edges (26) or trailing edges (28) of the airfoils to the outer ring.
    Type: Application
    Filed: January 23, 2007
    Publication date: July 26, 2007
    Applicant: SNECMA
    Inventors: Olivier Abgrall, Yvon Cloarec