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US 8,083,492 B2Granted
Welded low-pressure turbine shaft
AssigneeSiemens Aktiengesellschaft
InventorTorsten-Ulf Kern
Life of this patent
Estimating the term…
Abstract
Turbo-engine which has a low-pressure area, containing at least one shaft, wherein the low-pressure area has an inflow area, the shaft having, at least on its inflow part arranged in the inflow area, a heat resistant material, wherein the shaft has, on outflow parts arranged opposite the inflow part, a 26NiCrV14-5 and/or 2SNiCrMoVii-5 and/or 22CrNiM09-9 material.
Claims8
A turbomachine, comprising:
- a shaft comprising:
- an inflow part arranged in an inflow area and comprising a 22CrMoNiWV8-8 material, and
- an outflow part arranged opposite to the inflow part and comprising a 26NiCrMoV11-5 material.
A turbomachine, comprising:
- a shaft comprising:
- an inflow part arranged in an inflow area and comprising a 22CrMoNiWV8-8 material, and
- an outflow part arranged opposite to the inflow part and comprising a 22CrNiMo9-9 material.
Dependencies are inferred from the claim text.