Patents by Inventor Martin C. Lady

Martin C. Lady 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).

  • Gas turbine exhaust nozzle flap and flap seal apparatus
    Patent number: 5839663
    Abstract: An exhaust nozzle for a gas turbine engine is provided which includes a plurality of flaps and an abradable coating. Each flap includes seal surfaces with depressions disposed therein. The flaps are disposed about a structure within the engine, and are pivotly attached to that structure. Adjacent flaps overlap along the seal surfaces, and movement of the nozzle causes relative motion between the adjacent flaps. The abradable coating is attached to the seal surfaces, and contact between adjacent flaps causes the abradable coating to abrade. The remaining abradable coating fills the depressions within the seal surfaces.
    Type: Grant
    Filed: July 23, 1996
    Date of Patent: November 24, 1998
    Assignee: United Technologies Corporation
    Inventors: D. Andrew Broadway, Raymond J. Bruchez, Jr., Martin C. Lady