Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural rigidly related blade sets
Patent
1994-05-20
1996-01-02
Yee, Deborah
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural rigidly related blade sets
415200, 148428, 148425, 420448, 420436, C22C 3000, C22C 1905, F01D 102
Patent
active
054802830
ABSTRACT:
A Ni-base superalloy consisting essentially of, by weight: 0.05 to 0.20% C, 20 to 25% Co, 15 to 25% Cr, 1.0 to 3.0% Al, 1.0 to 3.0% Ti, 1.0 to 3.0% Nb, 5 to 10% W, and at least 55% Ni, the combination of the [Al+Ti] and tungsten contents being determined as shown in FIG. 5. This superalloy has a high thermal-fatigue resistance, a great high-temperature strength, particularly, a great creep rupture strength, and a good weldability. The superalloy is used to form gas turbine nozzles, which are employed in a gas turbine. Using such a gas turbine, a combined power generating system is built.
REFERENCES:
patent: 4850187 (1989-07-01), Siga et al.
patent: 5008072 (1991-04-01), Siga et al.
patent: 5370497 (1994-12-01), Doi et al.
Doi Hiroyuki
Fukui Yutaka
Kashimura Tetsuo
Yasuda Ken
Hitachi , Ltd.
Yee Deborah
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