Patents by Inventor Davin Hansen

Davin Hansen 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).

  • Blade retainer clip
    Patent number: 8727734
    Abstract: A blade retainer clip for retaining a foot of a turbine blade in a shoe of a turbine disc of a turbine wheel includes: a clip shank that fits into a mating slot in the blade foot; a protuberance along a central portion of the clip shank that fits into a mating recess along the mating slot in the blade foot; a clip heel on one end of the clip shank that engages a heel of the blade foot and a heel of the disc shoe that expands radially from at least opposite sides of the clip shank; and a clip toe that extends beyond a toe of the disc shoe that is deformable to contact at least the toe of the disc shoe.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: May 20, 2014
    Assignee: Pratt & Whitney
    Inventors: Xinwen Xiao, Shiv C. Gupta, Venkata S. Bandaru, Gordon F. Jewess, Davin Hansen
  • Blade Retainer Clip
    Publication number: 20110280731
    Abstract: A blade retainer clip for retaining a foot of a turbine blade in a shoe of a turbine disc of a turbine wheel includes: a clip shank that fits into a mating slot in the blade foot; a protuberance along a central portion of the clip shank that fits into a mating recess along the mating slot in the blade foot; a clip heel on one end of the clip shank that engages a heel of the blade foot and a heel of the disc shoe that expands radially from at least opposite sides of the clip shank; and a clip toe that extends beyond a toe of the disc shoe that is deformable to contact at least the toe of the disc shoe.
    Type: Application
    Filed: May 17, 2010
    Publication date: November 17, 2011
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Xinwen Xiao, Shiv C. Gupta, Venkata S. Bandaru, Gordon F. Jewess, Davin Hansen