Patents by Inventor Harold W. Buddenbohm

Harold W. Buddenbohm 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).

  • Knurled turbine tip seal
    Patent number: 4652209
    Abstract: A turbine tip seal 10 for inhibiting fluid leakage between a turbine housing and the shroud 20 and runners 24 which are typically attached to turbine blade tips 18. The tip seal 10 has a resilient ring 28 and a plated layer 32. Plated layer 32 has a knurled inner surface 34. The knurled surface 34 allows only a small amount of fluid leakage between itself and the turbine blades 18 while maintaining high rotor stiffness.
    Type: Grant
    Filed: September 13, 1985
    Date of Patent: March 24, 1987
    Assignee: Rockwell International Corporation
    Inventor: Harold W. Buddenbohm