Patents Examined by Jeffery Simenauer
  • Air cooler for providing buffer air to a bearing compartment
    Patent number: 4542623
    Abstract: A cooling system 46 for a turbofan gas turbine 10 is disclosed. Various construction details which increase the effectiveness of a heat exchanger 48 located in the secondary flow path 24 are developed. In one embodiment, the cooled air is used for protecting a bearing compartment.
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: September 24, 1985
    Assignee: United Technologies Corporation
    Inventors: Edward J. Hovan, Joseph P. Zimonis