Patent ID: 6869082
Filing Date: 2005-03-22
Classification: F01D,F23R

Abstract:
1. A turbine seal, comprising: an outer housing having an outer coupler section adapted to be attached to a first turbine component and an outer transition section extending from the outer coupler section at a first end of the outer transition section and continuing to a second end of the outer transition section, adapted to be attached to a second turbine component, wherein the outer transition section tapers from a first diameter at the first end of the outer transition section to a second diameter, which is larger than the first diameter, at the second end of the outer transition section; the outer transition section formed from a plurality of leaves extending from the outer coupler section to the second end of the outer transition section, wherein at least one second end of at least one leaf has a flared end extending toward adjacent leaves on the outer housing and each leaf is formed by a slot on each side of the at least one leaf; and an inner housing having an inner coupler section attached to the outer coupler section of the outer housing and an inner transition section extending from the inner coupler section at a first end of the inner transition section and continuing to a second end of the inner transition section, and adapted to be attached to the outer housing during operation of the turbine; wherein the inner housing is adapted to fit inside the outer housing and the inner transition section tapers from a third diameter at the first end of the inner transition section to a fourth diameter, which is larger than the third diameter, at the second end of the inner transition section.