Patents by Inventor Svein Grandum

Svein Grandum 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).

  • INLET ARRANGEMENT
    Publication number: 20150153121
    Abstract: An inlet arrangement (1) for use in plate heat exchangers (2) is disclosed. The arrangement comprises an element with a dispersion opening (6) for arrangement in an inlet (5) in a plate exchanger. The inlet arrangement (1) is arranged to form a mainly fitting cylinder wall when introduced in the inlet (5). The cylinder wall comprises at least one opening (6) which extends partly or fully along the length of the inlet (5) and is sealingly arranged towards the inlet (5) of the plate heat exchanger. Furthermore, the opening (6) is oriented towards one side at an angle from the perpendicular. The use of such inlet arrangement (1) is also disclosed.
    Type: Application
    Filed: July 31, 2014
    Publication date: June 4, 2015
    Inventors: Tove RISBERG, Stein Rune NORDTVEDT, Svein GRANDUM, Bjarne HORNTVEDT
  • Inlet arrangement
    Patent number: 8826969
    Abstract: An inlet arrangement (1) for use in plate heat exchangers (2) is disclosed. The arrangement comprises an element with a dispersion opening (6) for arrangement in an inlet (5) in a plate exchanger. The inlet arrangement (1) is arranged to form a mainly fitting cylinder wall when introduced in the inlet (5). The cylinder wall comprises at least one opening (6) which extends partly or fully along the length of the inlet (5) and is sealingly arranged towards the inlet (5) of the plate heat exchanger. Furthermore, the opening (6) is oriented towards one side at an angle from the perpendicular. The use of such inlet arrangement (1) is also disclosed.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: September 9, 2014
    Assignee: Institutt for Energiteknikk
    Inventors: Tove Risberg, Stein Rune Nordtvedt, Svein Grandum, Bjarne Horntvedt
  • Inlet Arrangement
    Publication number: 20080216996
    Abstract: An inlet arrangement (1) for use in plate heat exchangers (2) is disclosed. The arrangement comprises an element with a dispersion opening (6) for arrangement in an inlet (5) in a plate exchanger. The inlet arrangement (1) is arranged to form a mainly fitting cylinder wall when introduced in the inlet (5). The cylinder wall comprises at least one opening (6) which extends partly or fully along the length of the inlet (5) and is sealingly arranged towards the inlet (5) of the plate heat exchanger. Furthermore, the opening (6) is oriented towards one side at an angle from the perpendicular. The use of such inlet arrangement (1) is also disclosed.
    Type: Application
    Filed: June 14, 2005
    Publication date: September 11, 2008
    Inventors: Tove Risberg, Stein Rune Nordtvedt, Svein Grandum, Bjarne Horntvedt
  • Method and apparatus for thermal transportation using polyvinyl alcohol
    Patent number: 6430957
    Abstract: A thermal transportation method utilizes polyvinyl alcohol which is added to a liquid, and the liquid is cooled to form an ice slurry that is pumped through a pipe to effect the thermal transportation.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: August 13, 2002
    Assignee: Agency of Industrial Science & Technology Ministry of International Trade & Industry
    Inventors: Takaaki Inada, Akira Yabe, Svein Grandum, Shu-Shen Lu