Patents Assigned to Pevatec AS
  • Loading and unloading of solid substance having high degree of water content
    Publication number: 20030194296
    Abstract: A method for loading and unloading of a solid substance having a high degree of water content from a cargo hold of a bulk carrier is disclosed. The degree of water content of the solid substance is such that a layer of liquid is formed above the solid substance. In accordance with the method, a predetermined volumetric ratio of solid substance and water is pumped out of the cargo hold by a pump that is seated on a float freely movable on the layer of liquid, at the same time as water is fed into the cargo hold at a volumetric rate substantially the same as the volumetric rate of water being pumped out.
    Type: Application
    Filed: May 12, 2003
    Publication date: October 16, 2003
    Applicant: PEVATEC AS
    Inventors: Per Vatne, Tore Hansen-Tangen
  • Method of unloading of solid substance having high degree of water content
    Patent number: 6575692
    Abstract: A method for loading and unloading of a solid substance having a high degree of water content from a cargo hold of a bulk carrier is disclosed. The degree of water content of the solid substance is such that a layer of liquid is formed above the solid substance. In accordance with the method, a predetermined volumetric ratio of solid substance and water is pumped out of the cargo hold by a pump that is seated on a float freely movable on the layer of liquid, at the same time as water is fed into the cargo hold at a volumetric rate substantially the same as the volumetric rate of water being pumped out.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: June 10, 2003
    Assignee: Pevatec AS
    Inventors: Per Vatne, Tore Hansen-Tangen