Patents by Inventor Pat Sheridan

Pat Sheridan 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: 8413926
    Abstract: The invention provides an aircraft with an auxiliary power unit isolated from the aircraft. An auxiliary power unit suspension system includes at least one suspension linkage. The suspension linkage terminates with a first low stiffness elastomeric rod end. The low stiffness elastomeric rod end has a low spring rate with the aircraft auxiliary power unit suspension system providing the aircraft auxiliary power unit with a suspended auxiliary power unit natural frequency, the suspended auxiliary power unit natural frequency below the aircraft auxiliary power unit operation frequency.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: April 9, 2013
    Assignee: Lord Corporation
    Inventors: Kirk W. Olsen, Gerald P. Whiteford, Pat Sheridan, Scott K. Thompson
  • Publication number: 20110084192
    Abstract: The invention provides an aircraft with an auxiliary power unit isolated from the aircraft. An auxiliary power unit suspension system includes at least one suspension linkage. The suspension linkage terminates with a first low stiffness elastomeric rod end. The low stiffness elastomeric rod end has a low spring rate with the aircraft auxiliary power unit suspension system providing the aircraft auxiliary power unit with a suspended auxiliary power unit natural frequency, the suspended auxiliary power unit natural frequency below the aircraft auxiliary power unit operation frequency.
    Type: Application
    Filed: December 17, 2010
    Publication date: April 14, 2011
    Inventors: Kirk W. Olsen, Gerald P. Whiteford, Pat Sheridan, Scott K. Thompson
  • Patent number: 7878448
    Abstract: The invention provides an aircraft with an auxiliary power unit isolated from the aircraft. An auxiliary power unit suspension system includes at least one suspension linkage. The suspension linkage terminates with a first low stiffness elastomeric rod end. The low stiffness elastomeric rod end has a low spring rate with the aircraft auxiliary power unit suspension system providing the aircraft auxiliary power unit with a suspended auxiliary power unit natural frequency, the suspended auxiliary power unit natural frequency below the aircraft auxiliary power unit operation frequency.
    Type: Grant
    Filed: April 4, 2006
    Date of Patent: February 1, 2011
    Assignee: LORD Corporation
    Inventors: Kirk W. Olsen, Gerald P. Whiteford, Pat Sheridan, Scott K. Thompson
  • Publication number: 20060273221
    Abstract: The invention provides an aircraft with an auxiliary power unit isolated from the aircraft. An auxiliary power unit suspension system includes at least one suspension linkage. The suspension linkage terminates with a first low stiffness elastomeric rod end. The low stiffness elastomeric rod end has a low spring rate with the aircraft auxiliary power unit suspension system providing the aircraft auxiliary power unit with a suspended auxiliary power unit natural frequency, the suspended auxiliary power unit natural frequency below the aircraft auxiliary power unit operation frequency.
    Type: Application
    Filed: April 4, 2006
    Publication date: December 7, 2006
    Inventors: Kirk Olsen, Gerald Whiteford, Pat Sheridan, Scott Thompson