PRESSURIZED WATER REACTOR WITH REACTOR COOLANT PUMP SYSTEM INLCUDING JET PUMPS
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United States of America Patent
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app pub date -
Apr 16, 2013
filing date -
Apr 16, 2012
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Abstract
An integral pressurized water reactor (PWR) includes a cylindrical pressure vessel, a cylindrical central riser disposed coaxially inside the cylindrical pressure vessel wherein a downcomer annulus is defined between the cylindrical central riser and the cylindrical pressure vessel, a nuclear core comprising a fissile material, and a steam generator disposed in the downcomer annulus. A reactor coolant pump (RCP) includes a jet pump disposed in the downcomer annulus above or below the steam generator, and a hydraulic pump configured to pump primary coolant into a nozzle of the jet pump. The hydraulic pump includes an electric motor mounted externally on the pressure vessel.
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