Patents by Inventor Heinz Kettl

Heinz Kettl 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).

  • Pumping Device for Nuclear Facility
    Publication number: 20080159891
    Abstract: A pump unit for a nuclear installation, for example a pressurized water reactor, contains a vertical shaft, which is guided through at least one journal bearing. The journal bearing or bearings is or are configured as a spiral groove bearing or bearings, to prevent shaft vibration caused by the bearings and to increase the service life of the pump unit. Preferred uses of the pump units include, for example, the coolant pump of a pressurized water reactor and the circulating pump of a boiling water reactor.
    Type: Application
    Filed: December 28, 2007
    Publication date: July 3, 2008
    Applicant: AREVA NP GMBH
    Inventors: Gunther Schulze, Heinz Kettl, Max Heller