Patent · US Expired

Vessel examination system

US3988922A · kind A · utility

57Cited by
11References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 13, 1975
Grant dateNov 2, 1976
Priority date
Expiry dateJan 13, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E30/30
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A system for on-site, non-destructive examination of the seam welds or other portions of the walls of a vessel, for example, a nuclear reactor pressure vessel, including an instrument carrying, remotely controlled vehicle with magnetic adherence means which may be selectively propelled to any position on the walls of the vessel and including an ultrasonic signal system utilizing a triangulation technique for remotely indicating the position of the vehicle on the vessel.

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