Welded low-pressure turbine shaft

Details Welded low-pressure turbine shaft Welded low-pressure turbine shaft

2007-02-23

2011-12-27

Sandvik, Benjamin (Department: 2826)

Fluid reaction surfaces (i.e., impellers)

Support mounting, carrier or fairing structure

C464S902000, C416S21300R, C415S216100

Reexamination Certificate

active

08083492

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.

REFERENCES:
patent: 2002/0081197 (2002-06-01), Crawmer
patent: 2906371 (1980-08-01), None
patent: 1577494 (2005-09-01), None
patent: 1448063 (1976-09-01), None
patent: WO 2004051056 (2004-06-01), None
patent: WO 2004101209 (2004-11-01), None
patent: WO 2006048401 (2006-05-01), None

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