Patents by Inventor Rafal Piotr Pieczka

Rafal Piotr Pieczka 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).

  • Method and system for cooling engine components
    Patent number: 8172506
    Abstract: A method and system for a rotatable member of a turbine engine are provided. The rotatable member includes a substantially cylindrical shaft rotatable about a longitudinal axis, and a hub coupled to the cylindrical shaft through a conical shaft portion wherein the conical shaft portion includes a plurality of circumferentially-spaced air passages and wherein at least one of the plurality of air passages includes a non-circular cross section.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: May 8, 2012
    Assignee: General Electric Company
    Inventors: Rafal Piotr Pieczka, Craig William Higgins, Piotr Edward Kobek, Jan Franciszek Sikorski, Edward Donald Michaels
  • METHOD AND SYSTEM FOR COOLING ENGINE COMPONENTS
    Publication number: 20100129197
    Abstract: A method and system for a rotatable member of a turbine engine are provided. The rotatable member includes a substantially cylindrical shaft rotatable about a longitudinal axis, and a hub coupled to the cylindrical shaft through a conical shaft portion wherein the conical shaft portion includes a plurality of circumferentially-spaced air passages and wherein at least one of the plurality of air passages includes a non-circular cross section.
    Type: Application
    Filed: November 26, 2008
    Publication date: May 27, 2010
    Inventors: Rafal Piotr Pieczka, Craig William Higgins, Piotr Edward Kobek, Jan Franciszek Sikorski, Edward Donald Michaels