Patents Examined by Jeffrey Simenauer
  • Bearing compartment for a gas turbine engine
    Patent number: 4561246
    Abstract: A cooling system 46 for a turbofan gas turbine engine 10 is disclosed. Various construction details which increase the effectiveness of a heat exchanger 70, 76, 112 are disclosed. In one embodiment, a rotor shaft 98 is used to pressurize buffer air for a bearing compartment 40.
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: December 31, 1985
    Assignee: United Technologies Corporation
    Inventor: Edward J. Hovan