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Inventor:
Fife; Alex B.
Address:
San Jose, CA
No. of patents:
10
Patents:












Patent Number Title Of Patent Date Issued
6504888 Apparatus and methods of flow measurement for a boiling water reactor internal pump January 7, 2003
A reactor pressure vessel (RPV) for a nuclear reactor that permits measurement of the flow through each reactor internal pump (RIP) is described. The reactor pressure vessel also includes at least one reactor internal pump that includes an impeller and a pump diffuser. At least two s
6426986 Forged nozzle shell course for a pressure vessel July 30, 2002
A forged nozzle shell course for a pressure vessel includes shell course comprising at least one reinforcement portion extending radially outward from an outer surface of the shell course with each reinforcing portion including a nozzle having a radius. The nozzle includes a bore extendi
6389094 Integral forged shroud flange for a boiling water reactor May 14, 2002
A forged upper shroud section which may be machined from a single piece rectangular cross-section ring forging and includes a circular flange and a cylindrical shell is described. Openings and slots are machined into the flange to align and support the shroud head. A groove is machined a
6240156 Top guide grid attachment for a boiling water reactor May 29, 2001
A top guide assembly for securing a top guide to a shroud which enables the top guide to be remotely removed without removing any other parts of the shroud or the core support structure is described. In one embodiment, the top guide assembly includes a hanger for being secured in a groov
6188741 Machined stub tube in a bottom head of a boiling water reactor February 13, 2001
An integral stub tube which simplifies the reactor pressure vessel fabrication process, provides a structural transition between the penetration and head, and facilitates future remote inspection of the attachment weld is described. In one embodiment, a stub tube is machined into the
6163588 Core plate and reactor internal pump differential pressure lines for a boiling water reactor December 19, 2000
A modular differential pressure measuring system for a boiling water nuclear reactor pressure vessel is described. The modular pressure differential system includes a plurality of pressure lines having a plurality of pressure line sections. The system also includes a shroud having at
6091791 Shroud attachment for a boiling water reactor July 18, 2000
A shroud attachment assembly which provides both structural support for the shroud and a seal between the shroud and shroud support is described. In one specific embodiment, the shroud attachment assembly includes a shroud flange formed integral with the shroud, and a pump deck flange fo
5995575 In-core guide tube restraint for a boiling water reactor November 30, 1999
A restraint assembly which is a bolted lattice structure for preventing the in-core guide tubes from experiencing excessive flow induced vibrations is described. In one embodiment, the restraint assembly includes upper and lower restraint brackets secured to an in-core housing and in-cor
5995574 Integral forged shroud flange for a boiling water reactor November 30, 1999
A shroud including an integral track for mounting inspection and cleaning tooling is described. In one embodiment, the shroud includes substantially cylindrical first and second shroud sections having a main body with a first end and a second end. One shroud first end has a weld prepared
5920603 Forged core plate for a boiling water reactor July 6, 1999
A forged core plate fabricated from a single piece stainless steel forging is described. The plate has a substantially circular shape and penetrations are provided in the core plate to allow passage of control rod blades into the core and direct recirculation flow past the fuel assem










 
 
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