Dashport construction for a nuclear reactor rod guide thimble

Patent · Tue Nov 26 04:00:00 EST 1991

OSTI ID:5586736

John, Jr, C D; Sparrow, J A

This patent describes a control rod guide thimble having a main hollow tube defining a substantial portion of the length of the guide thimble. It comprises: a lower tubular portion of the man hollow tube; and an auxiliary hollow tube having concentric exterior and interior surfaces, the auxiliary tube being inserted in the lower portion of the main hollow tube and having an outside diameter slightly less than an inside diameter of the main tube to permit a close fitting relationship between the exterior surface and the auxiliary tube and an interior surface of the main tube lower portion, the auxiliary tube having an upper end portion with an inside surface portion in axial cross-section flaring in inclined relation upwardly and outwardly to provide a tapered transition extending between and connecting the interior surface of the auxiliary tube with the exterior surface thereof; and an end plug attached to a lower end of the auxiliary tube.

• Assignee: Westinghouse Electric Corp., Pittsburgh, PA (United States)
• Patent Number(s): A; US 5068083
• Application Number: PPN: US 7-529845
• OSTI ID: 5586736
• Country of Publication: United States
• Language: English

Related Subjects

22 GENERAL STUDIES OF NUCLEAR REACTORS
220200 -- Nuclear Reactor Technology-- Components & Accessories
220900* -- Nuclear Reactor Technology-- Reactor Safety
CONTROL
CONTROL ELEMENTS
DESIGN
ENGINEERING
FLUID POISON CONTROL
REACTOR COMPONENTS
REACTOR SAFETY FUSES
SAFETY ENGINEERING
SCRAM RODS
TUBES