Patents by Inventor Gunnar Liliengren

Gunnar Liliengren 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).

  • Bi-directional lower cone dilution device
    Patent number: 9914139
    Abstract: 1. A hydrocyclone for separating a fiber suspension into a heavy fraction and including a distribution head for supplying a fluid to the separation chamber, which distribution head is situated centrally in the separation chamber relatively close to the other end. The distribution head has at least one outlet passage designed for spraying a fluid jet, the fluid jet having a flow component in the direction towards the other end of the separation chamber, and the fluid jet having another flow component directed towards the one end.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: March 13, 2018
    Assignee: GL&V Luxembourg S.a.r.l.
    Inventors: Valentina Kucher, Gunnar Liliengren, Jan Backman
  • BI-DIRECTIONAL LOWER CONE DILUTION DEVICE
    Publication number: 20160129457
    Abstract: 1. A hydrocyclone for separating a fiber suspension into a heavy fraction and including a distribution head for supplying a fluid to the separation chamber, which distribution head is situated centrally in the separation chamber relatively close to the other end. The distribution head has at least one outlet passage designed for spraying a fluid jet, the fluid jet having a flow component in the direction towards the other end of the separation chamber, and the fluid jet having another flow component directed towards the one end.
    Type: Application
    Filed: November 6, 2015
    Publication date: May 12, 2016
    Inventors: Kucher Valentina, Gunnar Liliengren, Jan Backman