General Electric Technology Gmbh

Kornelia Weidemann

Sanjiv Kumar Mishra

Thomas Opderbecke

Simon Malcolm Potter

Markus Noe

Simon Baldasera

Embodiments of the present invention relate to an inner casing component configured to form part of a steam flow path of a last stage of an axial flow steam turbine, the steam turbine inner casing component having a base made of nodular cast iron and a coating, on the base, in a region exposed to the steam flow path, consisting of manganese austenitic steel.

Steam turbine inner casing component and repair method therefor

A rotor has a rotor core with protruding fingers defining slots for conductors and support blocks at the axial ends of the fingers fixed by screws. The fingers have holes for housing the screws. The method for repairing the rotor includes removing the screws and support blocks, drilling the holes to increase the diameter thereof, providing plugs into the holes.

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Baden, Switzerland

Kornelia Weidemann