Patents by Inventor Patrick Edmond Kapala

Patrick Edmond Kapala 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).

  • Compressor nozzle stage for a turbine engine
    Patent number: 9644640
    Abstract: A single-piece compressor nozzle stage for a turbine engine, the stage including two coaxial rings, connected together by radial vanes, the inner ring including an annular cavity for housing a damper for damping vibration by friction, which damper is secured to an annular abradable-material support.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: May 9, 2017
    Assignee: SNECMA
    Inventor: Patrick Edmond Kapala
  • Stator stage for turbomachine compressor
    Patent number: 8794908
    Abstract: A turbomachine stator stage including two coaxial shrouds, respectively an inner shroud and an outer shroud with substantially radial vanes extending therebetween, the radially outer ends of the vanes being welded to the outer shroud and the radially inner ends of the vanes passing through orifices in an outer ring of the inner shroud, the inner ends being held by elastomer spacers in an annular cavity formed between the outer ring and an inner ring that is fastened to the outer ring.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: August 5, 2014
    Assignee: Snecma
    Inventors: Laurent Gilles Dezouche, Patrick Edmond Kapala
  • COMPRESSOR NOZZLE STAGE FOR A TURBINE ENGINE
    Publication number: 20120195745
    Abstract: A single-piece compressor nozzle stage for a turbine engine, the stage comprising two coaxial rings, connected together by radial vanes, the inner ring including an annular cavity for housing damper means for damping vibration by friction, which damper means are secured to an annular abradable-material support.
    Type: Application
    Filed: January 31, 2012
    Publication date: August 2, 2012
    Applicant: SNECMA
    Inventor: Patrick Edmond KAPALA
  • OUTER SHELL SECTOR FOR A BLADED RING FOR AN AIRCRAFT TURBOMACHINE STATOR, INCLUDING VIBRATION DAMPING SHIMS
    Publication number: 20120128482
    Abstract: An assembly forming an outer shell sector, for a bladed ring sector configured to be used on a compressor or turbine stator in an aircraft turbomachine, including a plurality of elementary sectors and vibration damping shims each of them being inserted between two elementary sectors associated with it. A profile of each vibration damping shim is approximately the same as a profile of the elementary sectors.
    Type: Application
    Filed: July 29, 2010
    Publication date: May 24, 2012
    Applicant: SNECMA
    Inventors: Laurent Gilles Dezouche, Patrick Edmond Kapala, Samir Zaidi
  • STATOR STAGE FOR TURBOMACHINE COMPRESSOR
    Publication number: 20110243742
    Abstract: A turbomachine stator stage comprising two coaxial shrouds, respectively an inner shroud and an outer shroud with substantially radial vanes extending therebetween, the radially outer ends of the vanes being welded to the outer shroud and the radially inner ends of the vanes passing through orifices in an outer ring of the inner shroud, the inner ends being held by elastomer spacers in an annular cavity formed between the outer ring and an inner ring that is fastened to the outer ring.
    Type: Application
    Filed: March 29, 2011
    Publication date: October 6, 2011
    Applicant: SNECMA
    Inventors: Laurent Gilles Dezouche, Patrick Edmond Kapala