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:
Feb. 17, 2004
Filed:
Mar. 12, 2002
Applicant:
Inventors:
Albert J. Verdouw, Indianapolis, IN (US);
Duane Smith, Carmel, IN (US);
Keith McCormick, Indianapolis, IN (US);
Mohan K. Razdan, Indianapolis, IN (US);
Assignee:
Rolls-Royce Corporation, Indianapolis, IN (US);
Primary Examiner:
Int. Cl.
CPC ...
F23R 3/34 ;
U.S. Cl.
CPC ...
F23R 3/34 ;
Abstract
A combustion system including a plurality of axially staged tubular premixers to control emissions and minimize combustion noise. The combustion system includes a radial inflow premixer that delivers the combustion mixture across a contoured dome into the combustion chamber. The axially staged premixers having a twist mixing apparatus to rotate the fluid flow and cause improved mixing without causing flow recirculation that could lead to pre-ignition or flashback.