Patents by Inventor Hakan Eg Andersson

Hakan Eg Andersson 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).

  • Publication number: 20170299279
    Abstract: An arrangement for storing thermal energy, having at least one subterranean chamber for holding a first fluid, wherein a passage holding a second fluid is extended outside at least a part of the at last one chamber. The at least one channel is arranged to allow fluid communication of the first fluid between different sections of the chamber, and/or in that at least one channel is arranged to allow fluid communication of the second fluid between different sections of the passage. A method is also disclosed for improving an arrangement for storing thermal energy having the steps of providing at least one channel within the arrangement.
    Type: Application
    Filed: June 20, 2017
    Publication date: October 19, 2017
    Inventors: HANS PILEBRO, HAKAN EG ANDERSSON
  • Patent number: 9709337
    Abstract: An arrangement for storing thermal energy, having at least one subterranean chamber for holding a first fluid is provided. A passage holding a second fluid is extended outside at least a part of the chamber. At least one channel is arranged to allow fluid communication of the first fluid between different sections of the chamber, and/or allow fluid communication of the second fluid between different sections of the passage.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: July 18, 2017
    Assignee: SKANSKA SVERIGE AB
    Inventors: Hans Pilebro, Hakan Eg Andersson
  • Publication number: 20120132393
    Abstract: An arrangement for storing thermal energy, having at least one subterranean chamber for holding a first fluid, wherein a passage holding a second fluid is extended outside at least a part of the at last one chamber. The at least one channel is arranged to allow fluid communication of the first fluid between different sections of the chamber, and/or in that at least one channel is arranged to allow fluid communication of the second fluid between different sections of the passage. A method is also disclosed for improving an arrangement for storing thermal energy having the steps of providing at least one channel within the arrangement.
    Type: Application
    Filed: July 12, 2010
    Publication date: May 31, 2012
    Applicant: SKANSKA SVERIGE AB
    Inventors: Hans Pilebro, Hakan Eg Andersson