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:
Dec. 22, 2009
Filed:
Dec. 20, 2007
Mark A. Strobel, Maplewood, MN (US);
Michael J. Ulsh, Broomfield, CO (US);
Melvyn C. Branch, Boulder, CO (US);
Domingo Medina, Trumbull, CT (US);
James Pezzuto, Hastings on Hudson, NY (US);
Mark A. Strobel, Maplewood, MN (US);
Michael J. Ulsh, Broomfield, CO (US);
Melvyn C. Branch, Boulder, CO (US);
Domingo Medina, Trumbull, CT (US);
James Pezzuto, Hastings on Hudson, NY (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Disclosure is made of methods, systems, and apparatus for changing characteristics of noise of premixed flames supported on burners by heating burner passageways by an amount that attenuates combustion noises arising from premixed flames. Alternatively, attenuation occurs by controlling a temperature differential between a first point relative to a premixed flame and at least a second point in an uncombusted portion of a fuel/oxidizer mixture causing the flame