Patents by Inventor Peder Haraldsson

Peder Haraldsson 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).

  • Accumulator membrane unit, method for production thereof and rock drilling machine including such an accumulator membrane unit
    Patent number: 8291937
    Abstract: An accumulator membrane unit (2) for inclusion into an accumulator chamber (6) in an accumulator (1) for storing hydraulic energy under pressure. The accumulator membrane unit includes membrane elements (3) that are sealingly joined at their peripheries and limit an inside membrane volume (V) which varies in dependence of a pressure at an outside of the accumulator membrane unit. The invention also concerns an accumulator, a method and a rock drilling machine.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: October 23, 2012
    Assignee: Atlas Copco Rock Drills AB
    Inventors: Gunnar Sjödin, Maria Pettersson, Peder Haraldsson, Magnus Walter, Lennart Donsé, Per-Erik Larsson
  • ACCUMULATOR MEMBRANE UNIT, METHOD FOR PRODUCTION THEREOF AND ROCK DRILLING MACHINE INCLUDING SUCH AN ACCUMULATOR MEMBRANE UNIT
    Publication number: 20110220419
    Abstract: An accumulator membrane unit (2) for inclusion into an accumulator chamber (6) in an accumulator (1) for storing hydraulic energy under pressure. The accumulator membrane unit includes membrane elements (3) that are sealingly joined at their peripheries and limit an inside membrane volume (V) which varies in dependence of a pressure at an outside of the accumulator membrane unit. The invention also concerns an accumulator, a method and a rock drilling machine.
    Type: Application
    Filed: December 4, 2009
    Publication date: September 15, 2011
    Inventors: Gunnar Sjödin, Maria Pettersson, Peder Haraldsson, Magnus Walter, Lennart Donsé, Per-Erik Larsson