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:
Nov. 10, 1998
Filed:
Nov. 08, 1996
Applicant:
Inventors:
Assignee:
Rolls-Royce p l c, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277421 ; 277418 ; 4151701 ; 415115 ; 416 95 ; 4161 / ;
Abstract
In a sealing arrangement between two discs of a gas turbine engine a split sealing arrangement comprising a pair of sealing formations each made up of a plurality of sealing segments is provided. Each of the segments has a root accommodated in serrations of the discs. The roots of the sealing segments are positively connected to roots of the rotor blades by dovetail or T-shaped tongues and grooves. The sealing segments are also provided with internal cooling passages.