Patent · US Expired

Lower reactor internals up-ending device

US6266386A · kind A · utility

8Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 13, 1999
Grant dateJul 24, 2001
Priority date
Expiry dateOct 13, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E30/30
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An apparatus and method are provided for inverting the lower internal assembly of a nuclear reactor. The apparatus includes a frame which is sized to receive the lower internal assembly. The frame supports the lower internal assembly as it is being inverted. The apparatus also includes a spider assembly which fits within the lower internal assembly and provides support for a baffle assembly located therein. The method includes the steps of removing the lower internal assembly from a reactor vessel and rotating the lower internal assembly prior to performing maintenance.

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