Patents by Inventor Rachel Elizabeth Kyano

Rachel Elizabeth Kyano 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 forming a trailing edge cutback for a turbine bucket
    Patent number: 6520836
    Abstract: The trailing edge of a turbine bucket is cut back from a root portion of the bucket to a location 50-75% of the span of the bucket. The cutback portion is tapered, forming an obtuse angle between it and the remaining original portion of the trailing edge outwardly of the cutback portion. A new conical section is thus created of a slightly larger conical and, hence, transverse configuration. The crack is removed upon removal of the material forming the cutback. With the edges of the recreated conical section surrounded, the cutback portion assumes a scalloped configuration with the exit openings of the cooling holes as seen from opposite sides of the bucket.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: February 18, 2003
    Assignee: General Electric Company
    Inventors: Gilbert Joseph Dean, David Williams, Kenneth Lorenzo Parks, Rachel Elizabeth Kyano, Benjamin Erick Baker, Hui Kuang
  • Method of forming a trailing edge cutback for a turbine bucket
    Publication number: 20020119730
    Abstract: The trailing edge of a turbine bucket is cut back from a root portion of the bucket to a location 50-75% of the span of the bucket. The cutback portion is tapered, forming an obtuse angle between it and the remaining original portion of the trailing edge outwardly of the cutback portion. A new conical section is thus created of a slightly larger conical and, hence, transverse configuration. The crack is removed upon removal of the material forming the cutback. With the edges of the recreated conical section surrounded, the cutback portion assumes a scalloped configuration with the exit openings of the cooling holes as seen from opposite sides of the bucket.
    Type: Application
    Filed: February 28, 2001
    Publication date: August 29, 2002
    Inventors: Gilbert Joseph Dean, David Williams, Kenneth Lorenzo Parks, Rachel Elizabeth Kyano, Benjamin Erick Baker, Hui Kuang