Patents by Inventor Fred Wolf Staub

Fred Wolf Staub 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).

  • Turbine blade cooling
    Patent number: 6132174
    Abstract: A turbine rotor blade comprises a shank portion, a tip portion and an airfoil. The airfoil has a pressure side wall and a suction side wall that are interconnected by a plurality of partition sidewalls, defining an internal cooling passageway within the airfoil. The internal cooling passageway includes at least one radial outflow passageway to direct a cooling medium flow from the shank portion towards the tip portion and at least one radial inflow passageway to direct a cooling medium flow from the tip portion towards the shank portion. A number of mixing ribs are disposed on the partition sidewalls within the radial outflow passageways so as to enhance the thermal mixing of the cooling medium flow, thereby producing improved heat transfer over a broad range of the Buoyancy number.
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: October 17, 2000
    Assignee: General Electric Company
    Inventors: Fred Wolf Staub, Fred Thomas Willett
  • Turbine blade cooling
    Patent number: 5924843
    Abstract: A turbine rotor blade comprises a shank portion, a tip portion and an airfoil. The airfoil has a pressure side wall and a suction side wall that are interconnected by a plurality of partition sidewalls, defining an internal cooling passageway within the airfoil. The internal cooling passageway includes at least one radial outflow passageway to direct a cooling medium flow from the shank portion towards the tip portion and at least one radial inflow passageway to direct a cooling medium flow from the tip portion towards the shank portion. A number of mixing ribs are disposed on the partition sidewalls within the radial outflow passageways so as to enhance the thermal mixing of the cooling medium flow, thereby producing improved heat transfer over a broad range of the Buoyancy number.
    Type: Grant
    Filed: May 21, 1997
    Date of Patent: July 20, 1999
    Assignee: General Electric Company
    Inventors: Fred Wolf Staub, Fred Thomas Willett
  • Gas cooled end turns for dynamoelectric machine rotor
    Patent number: 5644179
    Abstract: Cooling of the rotor endwindings in a dynamoelectric machine is improved by providing radially-extending ducts in the spacers located between the concentric end turns of the rotor winding. The ducts have an inlet located near the radially inward end of the spacer and an outlet located near the radially outward end of the spacer. The inlet can be formed on either an axially-oriented surface of the spacer or a circumferentially-oriented surface of the spacer. The ducts direct cooling air into the cavities between the end turns in such a manner that the circulation velocity in the cavities is increased. This results in increased heat removal capability.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: July 1, 1997
    Assignee: General Electric Company
    Inventors: Fred Wolf Staub, Emil Donald Jarczynski