Patents by Inventor William M. Galloway

William M. Galloway 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 and apparatus for refurbishing a valve seat in a fuel injector assembly
    Patent number: 6339877
    Abstract: An apparatus and method of refurbishing a valve seat disposed at a predetermined angle relative to the centerline of an associated valve bore in a workpiece wherein the apparatus includes a support structure on which the workpiece is located such that the centerline of the valve bore is aligned with a known reference axis. The apparatus further includes a tool having a lapping portion corresponding to the valve seat and a drive mechanism for moving the tool along the known reference axis such that the lapping portion is brought into engagement with the valve seat and for rotating the tool relative to the workpiece to lap the valve seat. The method generally includes locating the workpiece in a predetermined position such that the centerline of the valve bore is aligned with the known reference axis and moving the tool having a lapping portion corresponding to the valve seat along the known reference axis such that the lapping portion is brought into engagement with the valve seat.
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: January 22, 2002
    Assignee: Diesel Technology Company
    Inventors: Robert D. Straub, William M. Galloway, Michael Van Allsburg