Patent ID: 6163588
Filing Date: 2000-12-19
Classification: G21C,Y02E

Abstract:
A modular differential pressure measuring system for a nuclear reactor pressure vessel, the pressure vessel including a core plate and a reactor internal pump having at least one impeller, said modular system comprising:a plurality of pressure lines, each said pressure line comprising a plurality of pressure line sections;a shroud comprising at least one shroud section, each said shroud section comprising at least one pressure line section, said pressure line section configured to connect to and disconnect from corresponding pressure line sections in adjacent shroud sections without welding; anda reactor bottom head petal section comprising a shroud support flange and a plurality of bores defining pressure line sections wherein at least one pressure line section of said bottom head petal is configured to couple with a corresponding pressure line section of an adjacent shroud section, each said pressure line section comprising a bore extending from an outer surface of said bottom head petal and at least partially through said bottom head petal shroud support flange.