Patents Assigned to Danfoss Esco AS
  • Gate valve
    Patent number: 6942194
    Abstract: The invention relates to a gate valve with a housing, having an inlet and an outlet, between which a flow area is arranged, with a sealing insert in the flow area and a sliding element cooperating with a contact area of the sealing insert in the closed state. In a gate valve of this kind, the function must be improved. For this purpose, the sealing insert has a rigid body, which is permanently connected with at least one additional area with a lower rigidity.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: September 13, 2005
    Assignee: Danfoss Esco AS
    Inventors: Roar Gravningen, Joern Syvertsen, Anders Nygaard, Hege Lill Birkeland, Helge Hjallen