Highly corrosion-resistant fixed blade assembly for a steam turbine, in particular a geothermal impulse turbine
OwnerLuciano Cozza, Mario Zannoniinventors
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Abstract
A highly corrosion-resistant fixed blade assembly (20) for a steam turbine, in particular a geothermal impulse turbine, is formed by an array (11) of stator blades (12), supported at their respective longitudinally opposite ends (27, 28) by an outer (21) and an inner ring (22). Each blade (12), made with a nickel-based metal alloy, for example, an alloy of the Hastelloy® family or a similar material, is integrally connected to the rings (21, 22) and is supported by the rings via respective mechanical joints (31, 32) devoid of structural welds, so as to be removable from the rings without breaking the rings.
Claims14
A highly corrosion-resistant fixed blade assembly (20) for a steam turbine, in particular a geothermal impulse turbine, comprising an array (11) of stator blades (12) substantially arranged in a radial pattern around an axis (A) and supported at respective longitudinally opposite ends (27, 28) by an outer support ring (21) and an inner support ring (22);
- wherein each blade (12) of the assembly (20) is firmly connected to the rings (21, 22) and is supported by the rings via respective mechanical joints (31, 32) devoid of structural welds, so as to be removable from the rings without breaking the rings.
Dependencies are inferred from the claim text.