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.

Date of Patent:
Sep. 01, 2015

Filed:

Jun. 27, 2014
Applicant:

Rolls-royce Plc, London, GB;

Inventor:

Gervas Franceschini, Derby, GB;

Assignee:

ROLLS-ROYCE PLC, London, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/32 (2006.01); F02C 7/28 (2006.01);
U.S. Cl.
CPC ...
F16J 15/3292 (2013.01); F02C 7/28 (2013.01);
Abstract

This application describes a leaf seal arrangement, including: a first component having a high pressure area and a low pressure area therein; a second component which passes from the high pressure area to the low pressure area; a leaf seal having an array of leaf elements between the high and low pressure areas, each leaf element having a fixed end and a free end, wherein the fixed end is attached to the first component and the free end defines a sealing surface through which the second component sealably passes, a sealing gap therebetween, and wherein the sealing gap generally converges from the high pressure area toward the lower pressure area. Also described is a method of providing a leaf seal.


Find Patent Forward Citations

Loading…