Patents Examined by DePumpo Daniel G.
  • Brush seal
    Patent number: 5335920
    Abstract: A brush seal is provided having a plurality of bristle layers sandwiched between a pair of circumferential plates with the upstream layers of bristles having a higher first fundamental vibration frequency than downstream seal layers. Such a seal has bristles in the upstream layer or layers that have a greater cross sectional area, a lesser lay angle, are shorter, or some combination of the foregoing.
    Type: Grant
    Filed: August 20, 1992
    Date of Patent: August 9, 1994
    Assignee: General Electric Company
    Inventors: Wu-Yang Tseng, Brent L. Bristol, Rolf R. Hetico, Christopher C. Glynn