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. 03, 2017
Filed:
Dec. 03, 2013
Applicant:
Rolls-royce Plc, London, GB;
Inventor:
Alan Robert Maguire, Derby, GB;
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 1/24 (2006.01); F01D 5/06 (2006.01);
U.S. Cl.
CPC ...
F01D 5/06 (2013.01); F01D 5/066 (2013.01); F05D 2260/60 (2013.01); F05D 2260/609 (2013.01);
Abstract
A gas turbine engine comprising at least one drum pack having two or more annular discs-. Adjacent discs-are connected by drive armsthe drum pack is provided with a tubular sealing bodypositioned radially inwards of the drive armsand extending from a first discto a last discin the drum pack. The firstand lastdiscs have the greatest axial separation of all discs-in the drum pack. The sealing bodyengaging the firstand lastdiscs and the engagement being arranged to limit or prevent the ingress of liquid into a drum cavitydefined between the firstand lastdiscs, the drive armsand the sealing body