Patents by Inventor Ernest J. Sandoe

Ernest J. Sandoe 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).

  • Integrated microturbine gearbox generator assembly
    Patent number: 6897578
    Abstract: A microturbine engine comprising a turbine including a first housing and a turbine rotor. The engine also includes a generator having a second housing and a generator rotor. The generator rotor is supported for low-speed rotation by a low-speed bearing. The engine also includes a gearbox having a third housing connected to the first housing and the second housing, a pinion gear, and a low-speed gear connected to the generator rotor and at least partially supported by the low-speed bearing. A shaft is connected to the turbine rotor and the pinion gear and a first high-speed bearing and a second high-speed bearing are positioned to support the turbine rotor and the shaft for high-speed rotation.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: May 24, 2005
    Assignee: Ingersoll-Rand Energy Systems Corporation
    Inventors: Andrew J. Olsen, Malcolm S. Child, Ernest J. Sandoe