Turbomachine component with a parting joint, and a steam turbine comprising said turbomachine component

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United States of America Patent

PATENT NO 9995178
APP PUB NO 20150030459A1
SERIAL NO

14373651

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Abstract

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A turbomachine component is provided having at least two sub-components that are separated by a parting joint and each have a sealing surface at the parting joint, at least one of the two sealing surfaces being convex in order to form a linear contact of the two sealing surfaces. At least one of the sealing surfaces has a coating on it which includes a hard material, is a maximum of 30 μm thick and is applied using a vapour deposition method, or a coating which includes a chrome-containing alloy, is a maximum of 30 μm thick and is applied by a vapour deposition method, or is a maximum of 300 μm thick and applied using a thermal spraying method.

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Patent Owner(s)

  • SIEMENS AKTIENGESELLSCHAFT

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schurhoff, Jorg Mulheim a.d. Ruhr, DE 2 4

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