Patents by Inventor Lawrence I. Krizan

Lawrence I. Krizan 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).

  • Airfoil having a seal and an integral heat shield
    Patent number: 5429478
    Abstract: An airfoil for a gas turbine engine includes a platform having an integral heat shield extending over a seal. Various construction details are developed that disclose a heat shield that protects the seal structure from damage due to exposure to hot gases within the gas turbine engine. In a particular embodiment, a turbine vane includes a platform having a heat shield extending from the leading edge of the platform and a recess. The heat shield extends over the outward surface of a honeycomb seal that is disposed within the recess.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: July 4, 1995
    Assignee: United Technologies Corporation
    Inventors: Lawrence I. Krizan, John P. Sadauskas