Patents by Inventor James Ferri

James Ferri 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).

  • Compressor cartridge seal method
    Patent number: 5087172
    Abstract: A high pressure compressor seal having an inner part and an outer part rotatable with respect to each other. The inner seal part includes a polygonal-shaped bore mounted on a polygonal-shaped compressor shaft. The outer seal part has plural O-rings therearound, and is sealed within a compressor housing opening. The outer seal part includes slots formed within an end face thereof for engagement with stationary compressor vanes, thereby preventing rotation of the outer seal part.
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: February 11, 1992
    Assignee: Dresser-Rand Company, A General Partnership
    Inventors: James Ferri, Norman A. Samurin
  • Compressor cartridge seal and insertion method
    Patent number: 4961260
    Abstract: A high pressure compressor seal assembled onto a compressor shaft, together with compressor bundle elements. A stationary bundle vane is engaged with slots within the seal to prevent rotation of an outer portion of the seal during operation of the compressor. In addition, the stationary vanes engage groves in the seal so that when the bundle elements are inserted into the compressor, the seal can be pushed into a housing opening.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: October 9, 1990
    Assignee: Dresser-Rand Company
    Inventors: James Ferri, Norman A. Samurin