Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bradley S. Plotner
Jon I. Stuckey
Date of Patent
September 19, 2023
Patent Application Number
17053515
Date Filed
April 18, 2019
Patent Citations
...
Patent Primary Examiner
CPC Code
Patent abstract
A noise damper includes an open cell foam having a circumferential first tier and an interposed circumferential second tier including blocks and voids. The first tier has a radial height that is 3.0-8.0% of a section height and a first axial width. The second tier has a radial height that is 3.0-12.0% of a section height and a second axial width. The blocks span 10-30% of the second tier's inner circumference and the voids span 70-90% of the second tier's inner circumference.
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