Turbomachine

Details Turbomachine Turbomachine

2005-01-25

2008-07-29

Edgar, Richard (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Specific casing or vane material

C415S216100

Reexamination Certificate

active

07404699

ABSTRACT:
The invention relates to a turbine machine, in particular, a steam turbine, comprising an inner housing, a turbine shaft, mounted such as to rotate, characterized in that the inner housing and the turbine shaft are produced from differing materials. The turbine is made from a chrome steel with 9 to 12 wt. % of chromium and the inner housing from a chrome steel with 1 to 2 wt % of chromium.

REFERENCES:
patent: 5749228 (1998-05-01), Shiga et al.
patent: 6224334 (2001-05-01), Siga et al.
patent: 2001/0021346 (2001-09-01), Doi et al.
patent: 0 759 499 (1997-02-01), None
patent: 0759499 (1997-02-01), None
patent: 0 767 250 (1997-04-01), None
patent: 0767250 (1997-04-01), None
patent: 0 831 203 (1998-03-01), None

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