Patents by Inventor Keith Ritchie

Keith Ritchie 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: 9623976
    Abstract: Nacelle air management systems for a high bypass ratio engine are provided. The nacelles air management systems may include an outer cowl and an inner cowl that are configured to provide dual bypass flow channels around an engine core. These systems may be employed to accommodate larger engine fans. The nacelle air management system may also include one or more blocker doors are configured to at least partial obstruct and/or direct air from the dual bypass flow channels to create reverse thrust.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: April 18, 2017
    Assignee: Rohr, Inc.
    Inventors: Norman J. James, Keith Ritchie, Thomas W. Scott
  • Publication number: 20140271169
    Abstract: Nacelle air management systems for a high bypass ratio engine are provided. The nacelles air management systems may include an outer cowl and an inner cowl that are configured to provide dual bypass flow channels around an engine core. These systems may be employed to accommodate larger engine fans. The nacelle air management system may also include one or more blocker doors are configured to at least partial obstruct and/or direct air from the dual bypass flow channels to create reverse thrust.
    Type: Application
    Filed: July 25, 2013
    Publication date: September 18, 2014
    Applicant: Rohr, Inc.
    Inventors: Norman J. James, Keith Ritchie, Thomas W. Scott