Steam turbine
AssigneeMitsubishi Heavy Industries Compressor Corporation
InventorMakoto Katagake
Life of this patent
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Abstract
A steam turbine includes a turbine main body having blades supported rotatably, a steam channel which is connected to the turbine main body and in which steam flows, a regulating valve configured to linearly move to adjust opening/closing of the steam channel, and an opening/closing drive mechanism configured to drive the regulating valve. The opening/closing drive mechanism includes an electric motor configured to rotate by an electric power being supplied, a conversion mechanism configured to convert rotational motion of the electric motor into linear motion of the regulating valve, and a brake operated by regenerative energy of the electric motor.
Claims19
A steam turbine comprising:
- a turbine main body having blades supported rotatably;
- a steam channel which is connected to the turbine main body and in which steam flows;
- a regulating valve configured to linearly move to adjust opening/closing of the steam channel;
- and
- an opening/closing drive mechanism configured to drive the regulating valve,
- wherein the opening/closing drive mechanism includes:
- an electric motor configured to rotate by an electric power being supplied;
- a conversion mechanism configured to convert rotational motion of the electric motor into linear motion of the regulating valve;
- and
- a brake operated by regenerative energy of the electric motor.
Dependencies are inferred from the claim text.