Patents by Inventor Johan Flegler

Johan Flegler 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).

  • Sealing arrangement of a steam turbine in which a sealing liquid and a vapor steam extraction system are used
    Patent number: 9885246
    Abstract: A sealing arrangement for a duct, through a stationary housing, of a shaft which rotates about an axis is provided, wherein a sealing liquid is used for sealing instead of sealing steam. The sealing arrangement includes a seal, having a vapor steam extraction system, and a feed line, which is arranged between the inner space and the vapor steam extraction system and is designed for supplying a sealing liquid, wherein a labyrinth seal, a brush seal with metallic bristles, a brush seal with bristles made of natural fibers and/or a brush seal made of synthetic fibers is provided for sealing off with respect to the inner space and the vapor steam extraction system.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: February 6, 2018
    Assignee: Siemens Aktiengesellschaft
    Inventors: Johan Flegler, Thomas Helmis, Norbert Surken
  • SEALING ARRANGEMENT OF A STEAM TURBINE IN WHICH A SEALING LIQUID AND A VAPOR STEAM EXTRACTION SYSTEM ARE USED
    Publication number: 20150167485
    Abstract: A sealing arrangement for a duct, through a stationary housing, of a shaft which rotates about an axis is provided, wherein a sealing liquid is used for sealing instead of sealing steam. The sealing arrangement includes a seal, having a vapor steam extraction system, and a feed line, which is arranged between the inner space and the vapor steam extraction system and is designed for supplying a sealing liquid, wherein a labyrinth seal, a brush seal with metallic bristles, a brush seal with bristles made of natural fibers and/or a brush seal made of synthetic fibers is provided for sealing off with respect to the inner space and the vapor steam extraction system.
    Type: Application
    Filed: June 17, 2013
    Publication date: June 18, 2015
    Applicant: Siemens Aktiengesellschaft
    Inventors: Johan Flegler, Thomas Helmis, Norbert Surken