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:
Sep. 27, 2011
Filed:
Oct. 31, 2008
Natalia V Levit, Glen Allen, VA (US);
Mark Allan Lamontia, Landenberg, PA (US);
David M Mellen, Wilmington, DE (US);
Joseph a King, Jr., Midlothian, VA (US);
Kathleen Kondylas, Newburyport, MA (US);
Christopher R Fuller, Virginia Beach, VA (US);
Natalia V Levit, Glen Allen, VA (US);
Mark Allan Lamontia, Landenberg, PA (US);
David M Mellen, Wilmington, DE (US);
Joseph A King, Jr., Midlothian, VA (US);
Kathleen Kondylas, Newburyport, MA (US);
Christopher R Fuller, Virginia Beach, VA (US);
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A passive distributed vibration absorber that utilizes multiple discrete mass elements and a viscoelastic layer and that effectively attenuates vibration in modally dense structures excited by a broadband input noise excitation. and is tunable to multiple natural frequencies in such modally dense vibrating structures including low frequencies.