Patent ID: 9121506
Filing Date: 2015-09-01
Classification: F02C,F16J

Abstract:
1. A leaf seal arrangement, comprising: 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; wherein the sealing gap generally converges from the high pressure area toward the lower pressure area; and, wherein the leaf elements have an axial width between the high pressure area and the low pressure area, the convergent portion of the sealing surface extending across between 60% and 100% of the width of the sealing surface.