Steam turbine and construction method of steam turbine
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United States of America Patent
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Aug 2, 2022
Grant Date -
Jul 23, 2020
app pub date -
Jan 15, 2020
filing date -
Jan 17, 2019
priority date (Note) -
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Abstract
A steam turbine 1 includes a turbine body 11 which includes a rotor 5 which is configured to rotate around an axis Ac, and a casing 6 which covers the rotor 5 to form a flow path through which steam flows in an axis Ac direction, together with the rotor 5, a thermal insulation member 12 which is provided to be in contact with an outer surface of the casing 6 in a high-pressure side region 61 out of the high-pressure side region 61 and a low-pressure side region 62 of the steam in the axis Ac direction of the casing 6, and a soundproof cover 13 which covers the low-pressure side region 62 out of the high-pressure side region 61 and the low-pressure side region 62 via a space between the outer surface of the casing 6 and the soundproof cover 13.
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