Patents by Inventor Manfred Befeld

Manfred Befeld has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of manufacturing a control wheel for the high-pressure rotor of a steam turbine
    Patent number: 4812107
    Abstract: A control wheel intended for welding onto the high-pressure rotor of a steam turbine is manufactured from a ring of individual blades welded together. For this purpose, all of the individual blades are provided with shrouds and root platforms having welding grooves formed therein. After being welded together into a ring, closed on all sides, the control wheel is annealed, machined and finally heat-treated.
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: March 14, 1989
    Assignee: BBC Brown, Boveri & Company, Ltd.
    Inventors: Santino Barcella, Manfred Befeld, Guy Faber, Paul Slepcevic