Reactor pressure vessel vented head

Patent · Tue Jan 11 00:00:00 EST 1994

OSTI ID:5291333

Sawabe, J K

A head for closing a nuclear reactor pressure vessel shell includes an arcuate dome having an integral head flange which includes a mating surface for sealingly mating with the shell upon assembly therewith. The head flange includes an internal passage extending therethrough with a first port being disposed on the head mating surface. A vent line includes a proximal end disposed in flow communication with the head internal passage, and a distal end disposed in flow communication with the inside of the dome for channeling a fluid therethrough. The vent line is fixedly joined to the dome and is carried therewith when the head is assembled to and disassembled from the shell. 6 figures.

• Research Organization: Westinghouse Electric Corp., Pittsburgh, PA (United States)
• DOE Contract Number: AC03-90SF18495
• Assignee: General Electric Co., San Jose, CA ()
• Patent Number(s): US 5278876; A
• Application Number: PPN: US 8-029510
• OSTI ID: 5291333
• Resource Relation: Patent File Date: 11 Mar 1993
• Country of Publication: United States
• Language: English

Related Subjects

22 GENERAL STUDIES OF NUCLEAR REACTORS
PRESSURE VESSELS
DESIGN
REACTORS
CLOSURES
FLANGES
VENTS
CONTAINERS
220200* - Nuclear Reactor Technology- Components & Accessories