Patents by Inventor Jean-Claude Hanny

Jean-Claude Hanny 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).

  • Core for turbomachine blades
    Patent number: 7562691
    Abstract: The present invention relates to a ceramic core used in the manufacture, by lost wax casting, of a turbomachine blade with cooling cavities and a squealer, comprising at least one main core, wherein the main core (10) comprises an element (10B) shaped so as to constitute the squealer and an element (10SB) shaped so as to constitute at least one cavity beneath the squealer, the two elements leaving between them a space (13) shaped so as to constitute, at least in part, the bottom wall of the squealer. In particular, the elements (10B and 10SB) are joined together by ceramic rods (TG).
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: July 21, 2009
    Assignee: SNECMA
    Inventors: Didier Guerche, Jean-Claude Hanny, Serge Prigent
  • CORE FOR TURBOMACHINE BLADES
    Publication number: 20070025851
    Abstract: The present invention relates to a ceramic core used in the manufacture, by lost wax casting, of a turbomachine blade with cooling cavities and a squealer, comprising at least one main core, wherein the main core (10) comprises an element (10B) shaped so as to constitute the squealer and an element (10SB) shaped so as to constitute at least one cavity beneath the squealer, the two elements leaving between them a space (13) shaped so as to constitute, at least in part, the bottom wall of the squealer. In particular, the elements (10B and 10SB) are joined together by ceramic rods (TG).
    Type: Application
    Filed: July 26, 2006
    Publication date: February 1, 2007
    Applicant: SNECMA
    Inventors: Didier Guerche, Jean-Claude Hanny, Serge Prigent