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:
Jul. 19, 1977
Filed:
Jul. 30, 1975
Applicant:
Inventor:
Colin Washbourne, Birmingham, EN;
Assignee:
Foseco International Limited, Birmingham, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ; F01N / ; F01N / ;
U.S. Cl.
CPC ...
181 42 ; 181 / ; 181 61 ;
Abstract
The noise from gas and oil burners can be reduced by using a burner quarl comprising a ceramic tube which is permeable or which has at least one permeable zone along its length, and which is surrounded along the permeable part by parts of the length of the tube by at least one sound absorbing chamber.