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. 25, 2006
Filed:
Dec. 23, 2003
Applicants:
Anthony Pidcock, Derby, GB;
Desmond Close, Derby, GB;
Inventors:
Anthony Pidcock, Derby, GB;
Desmond Close, Derby, GB;
Assignee:
Rolls-Royce plc, London, GB;
Primary Examiner:
Int. Cl.
CPC ...
F02C 1/00 (2006.01); F02G 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas diffusion arrangement () for a gas turbine engine () is disclosed. The gas diffusion arrangement () has an inlet () and an outlet () for the gas, and comprises diffusion means () having an upstream region () and a downstream region (). Distribution means () is arranged between the downstream region () and the outlet () to distribute the gas into a desired flow pattern. The area ratio of the cross-sectional area of the downstream region () to the cross-sectional area of the upstream region () is greater than 1.5 to 1.