Cooling device for a blade shroud in a gas turbine

摘要

Cooled gas turbine blade comprises a shroud (2) provided with a cooling channel system closed by a covering plate (6) radial to the gas turbine blade. The covering plate forms along the entire length of its peripheral edge a continuous form connection or a number of locally limited form connections with the shroud. Preferred Features: The number of locally limited form connections is uniformly distributed along the peripheral edge.