Patents by Inventor Christopher H. Lenhardt

Christopher H. Lenhardt 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).

  • Patent number: 5201850
    Abstract: A rotor includes a disc having a plurality of blades extending therefrom. The blades include tip shrouds, each having first and second axial ends, and first and second circumferential faces. The first and second faces of adjacent tip shrouds are spaced from each other to define gaps therebetween. The first and second ends each include U-shaped slots, each having an arcuate damper wire disposed therein. The slots are aligned generally parallel to an axial centerline axis of the rotor for allowing ease of manufacture and assembly while providing effective frictional damping by the damper wires urged by centrifugal force against the slots.
    Type: Grant
    Filed: February 15, 1991
    Date of Patent: April 13, 1993
    Assignee: General Electric Company
    Inventors: Christopher H. Lenhardt, Carl Grant, Chellappa Balan