Rotary Shoe Patents (Class 188/39)
  • Resonance reduction device for ram air turbine
    Patent number: 8814520
    Abstract: A ram air turbine assembly includes a preferentially located mass that modifies the resonance frequency of the assembly so that vibration is reduced to desired levels. The example mass can be fixed in a specific location on the ram air turbine or can be deployable once the ram air turbine is moved to an operating position.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: August 26, 2014
    Assignee: Hamilton Sundstrand Corporation
    Inventors: David Everett Russ, David G. Bannon