Patents by Inventor Venkata S. Bandaru

Venkata S. Bandaru 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).

  • 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
  • Patent number: 8657580
    Abstract: A blade retention system for retaining a foot of a turbine blade in a shoe of a turbine disc of a turbine wheel includes: a hook on a heel end of the blade foot that protrudes from a bottom of the blade foot to engage a heel end of the turbine disc shoe; and a compound fillet that engages the hook with the bottom of the blade foot.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: February 25, 2014
    Assignee: Pratt & Whitney
    Inventors: Xinwen Xiao, Venkata S. Bandaru, Shiv C. Gupta, Gordon F. Jewess
  • Publication number: 20110311358
    Abstract: A blade retention system for retaining a foot of a turbine blade in a shoe of a turbine disc of a turbine wheel includes: a hook on a heel end of the blade foot that protrudes from a bottom of the blade foot to engage a heel end of the turbine disc shoe; and a compound fillet that engages the hook with the bottom of the blade foot.
    Type: Application
    Filed: June 17, 2010
    Publication date: December 22, 2011
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Xinwen Xiao, Venkata S. Bandaru, Shiv C. Gupta, Gordon F. Jewess
  • 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