Power plants – Motive fluid energized by externally applied heat – Power system involving change of state
Reexamination Certificate
2006-06-27
2006-06-27
Nguyen, Hoang (Department: 3748)
Power plants
Motive fluid energized by externally applied heat
Power system involving change of state
C415S200000
Reexamination Certificate
active
07065968
ABSTRACT:
In a steam turbine plant in which a turbine casing containing a turbine is constituted of an upper-half casing and a lower-half casing, nozzles are provided to the upper-half casing and a steam supplied through main steam piping lines are deliveried into the upper-half casing. Main steam pipes for supplying a steam from respective main valves to the respective nozzles are each formed so as to be dividable in a position out of the installation area of the upper-half casing.
REFERENCES:
patent: 3677658 (1972-07-01), Dinenno et al.
patent: 4940383 (1990-07-01), Silvestri, Jr.
patent: 6302644 (2001-10-01), Kukalj et al.
patent: 60-159310 (1984-01-01), None
Higuma Katsutoshi
Kubo Yoshifumi
Oda Yasuhiro
Takahashi Masaki
Tateishi Akitaka
Hitachi , Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
Nguyen Hoang
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