STEAM TURBINE
Number of patents in Portfolio can not be more than 2000
United States of America
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N/A
Issued Date -
Dec 12, 2024
app pub date -
Jun 6, 2024
filing date -
Jun 6, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
A steam turbine has a plurality of stages constituted of pairs of a rotor blade and a stator vane arranged in an axial direction. A casing has a casing opening portion which allows water droplets circulating in a main flow channel to flow in therethrough. The rotor blade has a plurality of rotor blade hydrophilic portion which guide the water droplets that have adhered to a rotor blade surface toward the casing opening portion. The stator vane has a drain suction port which opens on a stator vane surface extending in a radial direction and allows the water droplets that have adhered to the stator vane surface to flow in therethrough, and a plurality of stator vane hydrophilic portions which are formed with a gap therebetween in the radial direction with respect to the stator vane surface and guide the water droplets that have adhered to the stator vane surface toward the drain suction port.
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