Apparatus to seal with a turbine blade stage in a gas turbine

摘要

Disclosed is an apparatus configured to seal with a turbine blade stage (5) of a gas turbine (11). The apparatus includes an outer shroud (21) coupled to an inner shroud (22) and configured to circumferentially surround the turbine blade stage (5). The inner shroud (22) is configured to circumferentially surround the turbine blade stage (5) to seal with the turbine blade stage (5) and includes an attachment element configured to be inserted into the outer shroud (21) to couple the inner shroud (22) to the outer shroud (21).