Patents by Inventor Jeffrey Hoobler

Jeffrey Hoobler 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).

  • Rotor cooling system for synchronous machines with conductive sleeve
    Patent number: 7208854
    Abstract: A wound field synchronous machine includes direct oil cooling along a conductive sleeve with elongated semi-arcuate shaped channels which alternate with damper bar channels containing tie-rod supports structures. With a reduction in sleeve thickness permitted by the direct cooling, the overall weight of the machine is reduced.
    Type: Grant
    Filed: March 9, 2006
    Date of Patent: April 24, 2007
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Daniel M. Saban, Jeffrey Hoobler