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:
Oct. 29, 2019
Filed:
Jul. 15, 2015
Aaf Ltd., Northumberland, GB;
James Matthew Hill, Cramlington, GB;
Colin Alexander Malecki, Cramlington, GB;
Paul Timothy Williams, Cramlington, GB;
Mats Abom, Jarfalla, SE;
Raymond Kirby, Middlesex, GB;
AAF Ltd., Northumberland, GB;
Abstract
A sound suppression apparatus for installation inside a gas transport duct is provided. The sound suppression apparatus comprises a resistive sound-absorbing element () and a housing providing a reactive sound-attenuating element () communicating with a surrounding of the apparatus via opening in an outer surface of the housing. An outer surface of the sound suppression apparatus comprises an outer surface of the resistive sound-absorbing element and the outer surface of the housing. A gas transport duct comprising the sound suppression apparatus is also provided.