Power plants – Motive fluid energized by externally applied heat – Process of power production or system operation
Reexamination Certificate
2006-04-18
2006-04-18
Nguyen, Hoang (Department: 3748)
Power plants
Motive fluid energized by externally applied heat
Process of power production or system operation
C060S657000, C060S660000, C060S670000
Reexamination Certificate
active
07028480
ABSTRACT:
A steam temperature control system for a power plant for controlling a temperature of steam flowing through steam pipes connected to a heat exchanger to a target temperature by spraying water by means of a spray valve of an attemperator, having a target temperature calculation section for calculating the target temperature of the steam for determining the target temperatures of the plural steam pipes connected to the heat exchanger in respective steam pipes connected to a common heat exchanger; and an instruction value calculation section for calculating command values to the spray valves disposed to the respective steam pipes, based on the target temperatures determined by the calculation in the target temperature calculating section.
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Oosawa You
Sekiai Takaaki
Shimizu Satoru
Dickstein , Shapiro, Morin & Oshinsky, LLP
Hitachi , Ltd.
Nguyen Hoang
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