Patents Assigned to Outokumu Oyj
  • Thermal spray application of brazing material for manufacture of heat transfer devices
    Patent number: 7032808
    Abstract: The invention relates to a method of manufacturing and coating heat transfer parts for a heat exchanger such as tubes in an automobile radiator. The tubes are coated with brazing material by thermal spraying, such as plasma deposition or wire-arc deposition. The coating is then melted by application of heat to braze the tubes to the fins and to the headers to complete the formation of the heat exchanger.
    Type: Grant
    Filed: October 6, 2003
    Date of Patent: April 25, 2006
    Assignee: Outokumu Oyj
    Inventor: Yoram Leon Shabtay