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:
Oct. 06, 2020
Filed:
Oct. 02, 2018
Applicant:
Rolls-royce Plc, London, GB;
Inventor:
Zahid Hussain, Derby, GB;
Assignee:
ROLLYS-ROYCE PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/24 (2006.01); F01D 25/12 (2006.01);
U.S. Cl.
CPC ...
F01D 11/24 (2013.01); F01D 25/12 (2013.01); F05D 2220/32 (2013.01); F05D 2240/10 (2013.01); F05D 2260/201 (2013.01);
Abstract
There is disclosed a cooling arrangement for a turbine casing () of a gas turbine engine (). The cooling arrangement comprises a first cooling duct () that is at least partly within a second cooling duct (). The first cooling duct is for a first cooling fluid flow and the second cooling duct is for a second cooling fluid flow which flows around the first cooling duct.