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. 01, 1976
Filed:
Aug. 15, 1973
Applicant:
Inventors:
Alain Frochaux, Boston, MA (US);
Charles M Salerno, Wayland, MA (US);
Assignee:
Barry Wright Corporation, Watertown, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ; B21D / ;
U.S. Cl.
CPC ...
181 49 ; 181 / ; 181 60 ; 181 71 ; 138 40 ; 2915 / ; 181 / ;
Abstract
The invention consists of provision of novel noise-silencing fluid-discharge devices which provide superior noise reduction. The devices comprise one or more flow-modifying elements which are made by rolling and compacting knitted metal wire mesh fabric. A preferred embodiment of the invention is an air discharge nozzle which is characterized by a high air discharge velocity while simultaneously effecting a sharp reduction in noise.