Patents Assigned to SKF Industrial Trading & Development Co. B.V.
  • Patent number: 4072502
    Abstract: A method and apparatus for increasing blast gas temperature in a shaft furnace by passing at least part of the blast gas through a plasma burner, and also supplying additional fuel to the furnace at the tuyere level.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: February 7, 1978
    Assignees: SKF Industrial Trading and Development Co. B.V., Norrbottens Jarnverk AB
    Inventors: Sven Santen, Carl Erik Grip
  • Patent number: 3953754
    Abstract: A stator for electric motors including a rotor and consisting of at least a pair of stacks each comprised of a plurality of laminations arranged with their sides in the direction of the rotor axis, the edge portions of the laminations running in the axial direction being bent inwardly towards the stator bore and maintained in spaced-apart relation at a position predetermined with regard to the magnetic flux lines and being permanently fixed in this position solely by means of a moulded compound, each lamination stack consisting of undivided laminations comprising a north and a south pole, each main pole consisting of the lamination edges of two adjacent lamination stacks.
    Type: Grant
    Filed: December 3, 1973
    Date of Patent: April 27, 1976
    Assignee: SKF Industrial Trading and Development Co., B.V.
    Inventor: Stig Lennart Hallerback