Patents by Inventor Stefan Hellweg

Stefan Hellweg 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).

  • Steam power plant with steam turbine extraction control
    Patent number: 9151185
    Abstract: Provided is a power plant and a method of operating thereof. The power plant includes a boiler for heating process fluids; and a multistage first steam turbine with an outlet line that passes through the boiler. The outlet line includes an extraction line that is configured and arranged to extract steam from an intermediate stage of the first steam turbine and heat at least one of the process fluids.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: October 6, 2015
    Assignee: ALSTOM Technology Ltd
    Inventors: Julia Kirchner, Volker Schüle, Stefan Hellweg
  • STEAM POWER PLANT WITH STEAM TURBINE EXTRACTION CONTROL
    Publication number: 20140096522
    Abstract: Provided is a power plant and a method of operating thereof. The power plant includes a boiler for heating process fluids; and a multistage first steam turbine with an outlet line that passes through the boiler. The outlet line includes an extraction line that is configured and arranged to extract steam from an intermediate stage of the first steam turbine and heat at least one of the process fluids.
    Type: Application
    Filed: October 4, 2013
    Publication date: April 10, 2014
    Applicant: ALSTOM Technology Ltd
    Inventors: Julia KIRCHNER, Volker Schüle, Stefan Hellweg