Patents by Inventor Eric Koelsch

Eric Koelsch 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).

  • Power puller motor bogie
    Patent number: 6253686
    Abstract: The invention concerns a power puller motor bogie comprising at least a gear motor (6, 10) arranged inside the bogie chassis (4), said gear motor (6, 10) being suspended in said bogie chassis (4) by means of at least two elastic connecting rods (7, 8, 9). Said elastic connecting rods (7, 8, 9) are all supported by said bogie chassis (4). Said elastic connecting rods (7, 8, 9) are such that said suspended gear motor (6, 10) is transversely mobile relative to said vehicle longitudinal direction of movement acts as inertia damper. A shock absorber (12) is fixed between said bogie chassis (4) and said gear motor (6, 10).
    Type: Grant
    Filed: November 2, 1999
    Date of Patent: July 3, 2001
    Assignee: Alstom Transport SA
    Inventor: Eric Koelsch