Patent · US Expired

Apparatus for servicing a jet pump hold down beam in a nuclear reactor

US4995158A · kind A · utility

16Cited by
42References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 8, 1989
Grant dateFeb 26, 1991
Priority date
Expiry dateFeb 8, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/5383
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

Process and apparatus are disclosed for removing and replacing the hold down beams of fluid circulating jet pumps mounted in a nuclear reactor. The disclosed process and apparatus are operable from a position such as the refueling bridge remote from the reactor and while the refueling cavity surrounding the reactor is flooded with moderator fluid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.