Patents by Inventor Wilfried Ruhle

Wilfried Ruhle 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 for protecting components of a primary system of a boiling water reactor in particular from stress corrosion cracking
    Publication number: 20050135542
    Abstract: A method for protecting the components of the primary system of a boiling water reactor, especially against stress cracking corrosion, includes feeding a reducing agent into the primary coolant in order to reduce the number of substances having a oxidizing effect or in order to modify the electrochemical potential of the component surfaces covered with an oxide layer to negative values. An alcohol that can be oxidized in the conditions of a reactor is fed in as a reducing agent, preferably in a liquid form, into the primary coolant. The component surfaces are provided with a blank coating or a single intrinsic oxide coating.
    Type: Application
    Filed: November 17, 2003
    Publication date: June 23, 2005
    Inventors: Bernhard Stellwag, Wilfried Ruhle
  • Method and device for reducing cationic impurities and for dosing lithium in the cooling water of a light water reactor, and a cooling-water system of a light water reactor having such a device
    Patent number: 6656338
    Abstract: For dosing lithium in cooling water containing cationic impurities or for reducing cationic impurities, the invention guides cooling water cycle through a first side of an electrodialysis unit and guides a concentration cycle through a second side of the electrodialysis unit. Cationic impurities are filtered out of the medium of the concentration cycle with a selective ion exchanger that is disposed in the concentration cycle.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: December 2, 2003
    Assignees: Framatome ANP GmbH, ENBW Kraftwerke AG
    Inventors: Manfred Meintker, Michael Bolz, Günther Enkler, Wilfried Rühle
  • Method and device for reducing cationic impurities and for dosing lithium in the cooling water of a light water reactor, and a cooling-water system of a light water reactor having such a device
    Publication number: 20030000849
    Abstract: For dosing lithium in cooling water containing cationic impurities or for reducing cationic impurities, the invention guides cooling water cycle through a first side of an electrodialysis unit and guides a concentration cycle through a second side of the electrodialysis unit. Cationic impurities are filtered out of the medium of the concentration cycle with a selective ion exchanger that is disposed in the concentration cycle.
    Type: Application
    Filed: April 26, 2002
    Publication date: January 2, 2003
    Inventors: Manfred Meintker, Michael Bolz, Gunther Enkler, Wilfried Ruhle