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:
Apr. 02, 2019
Filed:
Dec. 09, 2015
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Benjamin Kirollos, Oxford, GB;
Thomas Povey, Oxford, GB;
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/18 (2006.01); F01D 9/04 (2006.01); F01D 25/12 (2006.01);
U.S. Cl.
CPC ...
F01D 5/187 (2013.01); F01D 5/186 (2013.01); F01D 9/041 (2013.01); F01D 25/12 (2013.01); F05D 2220/32 (2013.01); F05D 2240/124 (2013.01); F05D 2240/306 (2013.01); F05D 2260/201 (2013.01); F05D 2260/202 (2013.01);
Abstract
An aerofoil blade or vane for the turbine of a gas turbine engine includes: an aerofoil leading edge; an aerofoil trailing edge; an aerofoil suction side; and at least one reverse-pass coolant passage, extending within the aerofoil blade or vane; wherein the at least one reverse-pass coolant passage includes a substantial reverse-pass portion in which, in use, coolant flows in a direction away from the trailing edge and towards the leading edge.