Hula seal
AssigneeAnsaldo Energia Switzerland AG
InventorsHarald Steiner, Yulia Smirnova
Life of this patent
Estimating the term…
Abstract
A hula seal as disclosed extends in a circumferential direction, a radial direction and an axial direction relative to a central axis.The hula seal includes a first leaf extending from the first edge region to the second edge region and a second leaf extending from the first edge region to the second edge region. The first leaf is the same distance as the second leaf from the central axis in the radial direction, and is adjacent to and overlaps the second leaf in the circumferential direction, when installed in a gas turbine. The first leaf is attached to the second leaf such that the first leaf can move relative to the second leaf in the circumferential direction when installed in a gas turbine.
Claims8
A hula seal extending in a circumferential direction, a radial direction and an axial direction relative to a central axis, the hula seal extending in the axial direction from a first edge region at a first edge to a second edge region at a second edge, the hula seal comprising:
- a first leaf extending from the first edge region to the second edge region and a second leaf extending from the first edge region to the second edge region, wherein:
- the first leaf is a same distance as the second leaf from the central axis in the radial direction when installed in a gas turbine;
- the first leaf is adjacent to and overlaps the second leaf in the circumferential direction when installed in a gas turbine;
- and
- the first leaf is attached to the second leaf such that the first leaf can move relative to the second leaf in the circumferential direction when installed in a gas turbine.
Dependencies are inferred from the claim text.