Patents Assigned to Knutsen Ballastvann AS
  • Method and device for treatment of water
    Patent number: 8500995
    Abstract: A method is for the treatment of ballast water, in which the ballast water is carried into a ballast tank via a down pipe and in which an underpressure created at the upper portion of the down pipe induces the formation of gas bubbles in the ballast water. Before flowing into the down pipe, the ballast water is carried via a throttling device into a closed container at the upper portion of the down pipe, the closed container having a flow area larger than the flow area of the down pipe.
    Type: Grant
    Filed: February 21, 2011
    Date of Patent: August 6, 2013
    Assignee: Knutsen Ballastvann AS
    Inventor: Per Lothe
  • Method and Device for Treatment of Water
    Publication number: 20130015140
    Abstract: A method is for the treatment of ballast water, in which the ballast water is carried into a ballast tank via a down pipe and in which an underpressure created at the upper portion of the down pipe induces the formation of gas bubbles in the ballast water. Before flowing into the down pipe, the ballast water is carried via a throttling device into a closed container at the upper portion of the down pipe, the closed container having a flow area larger than the flow area of the down pipe.
    Type: Application
    Filed: February 21, 2011
    Publication date: January 17, 2013
    Applicant: Knutsen Ballastvann AS
    Inventor: Per Lothe