Hot gas conducting cover element, shaft protection shroud and gas turbine

摘要

Hot gas-conducting housing element has encompassing a compressor, a turbine, and a turbine rotor. The hot gas-conducting housing element is embodied so as to surround a protective shaft jacket (15a) which is placed around the turbine rotor and conduct a hot gas to the turbine. The rib (22a) or the inner housing hub (17b,17c) which are fitted with cooling fluid ducts (25a,28b,28c). Independent claims are also included for the following: (A) Protective shaft jacket; (B) Housing unit; and (C) Gas turbine system.