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:
Aug. 17, 2010
Filed:
Feb. 06, 2007
Applicants:
Guy D Snowsill, Derby, GB;
Timothy J Scanlon, Derby, GB;
Colin Young, Derby, GB;
Leo V Lewis, Kenilworth, GB;
Inventors:
Guy D Snowsill, Derby, GB;
Timothy J Scanlon, Derby, GB;
Colin Young, Derby, GB;
Leo V Lewis, Kenilworth, GB;
Assignee:
Rolls-Royce plc, London, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/18 (2006.01); F01D 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rotor assembly for a gas turbine engine, the rotor assembly comprises at least two rotors defining a cavity therebetween. A first rotor defines a cooling air inlet in its radially inward portion. A second rotor defines a cooling air outlet in its radially outward portion, such that the cooling air passes radially outwardly through the cavity.