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:
Jun. 14, 2022
Filed:
Feb. 20, 2019
Faurecia Automotive Industrie, Nanterre, FR;
Xavier Bathelier, Saint Pierremont, FR;
Anne-Sophie Debruyne, Charleville-Mezieres, FR;
Minh-Tan Hoang, Sedan, FR;
FAURECIA AUTOMOTIVE INDUSTRIE, Nanterre, FR;
Abstract
An automotive vehicle soundproofing part having a body that includes a plurality of interlaced and/or bonded fibers. The body includes, in its thickness: a porous upper region of granular elements dispersed between the fibers; and a porous lower region with no dispersed granular elements, or formed of a concentration of dispersed granular elements lower than the concentration in dispersed granular elements of the porous upper region. The porous upper region has an air passage resistance at least 100 N·m·s greater than the air passage resistance of the porous lower region.