Variable speed pump for use in nuclear reactor
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United States of America Patent
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Dec 12, 2000
Grant Date -
N/A
app pub date -
Jul 1, 1998
filing date -
Jul 1, 1998
priority date (Note) -
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Abstract
A nuclear reactor coolant system includes a primary coolant circuit connected to a secondary coolant circuit. A desired amount of coolant is bled from the primary circuit to the secondary circuit for purification and controlling chemical composition of the coolant. Variable speed charging pumps are provided in the secondary circuit to pump coolant back into the primary circuit at variable pressures and flow rates. A pressurizer level control system is also disclosed for controlling pump speeds.
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