The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2011
Filed:
Apr. 04, 2006
Kirk W. Olsen, Erie, PA (US);
Gerald P. Whiteford, Waterford, PA (US);
Pat Sheridan, North East, PA (US);
Scott K. Thompson, Erie, PA (US);
Kirk W. Olsen, Erie, PA (US);
Gerald P. Whiteford, Waterford, PA (US);
Pat Sheridan, North East, PA (US);
Scott K. Thompson, Erie, PA (US);
LORD Corporation, Cary, NC (US);
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.