Patents by Inventor Frederick C. Hetzer

Frederick C. Hetzer 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).

  • Patent number: 4685286
    Abstract: A rotor assembly 22 for a gas turbine engine is disclosed. The engine has a compression section 12 and a turbine section 16. Various construction details which enable the modular disassembly of the turbine section are developed. The rotor assembly includes a rotor shaft 42 extending between the compression section and the turbine section. An annular shaft 66 engages a bearing 64, is joined to a rotor blade assembly 74, and rotatably supports the rotor shaft 42.
    Type: Grant
    Filed: November 26, 1985
    Date of Patent: August 11, 1987
    Assignee: United Technologies Corporation
    Inventors: Frederick C. Hetzer, Guy W. Miller
  • Patent number: 4611464
    Abstract: A rotor assembly 22 for a gas turbine engine is disclosed. The engine has a compression section 12 and a turbine section 16. Various construction details which enable the modular disassembly of the turbine section are developed. The rotor assembly includes a rotor shaft 42 extending between the compression section and the turbine section. An annular shaft 66 engages a bearing 64, is joined to a rotor blade assembly 74, and rotatably supports the rotor shaft 42.
    Type: Grant
    Filed: May 2, 1984
    Date of Patent: September 16, 1986
    Assignee: United Technologies Corporation
    Inventors: Frederick C. Hetzer, Guy W. Miller