Patent · US Expired

In-furnace level meter and antenna therefore

US5148177A · kind A · utility

21Cited by
7References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 1991
Grant dateSep 15, 1992
Priority date
Expiry dateFeb 22, 2011

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q19/13
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An in-furnace level meter for measuring a slag level, or the like, in a convertor, and an antenna used therefore. An antenna position is controlled so that the distance between the antenna inserted in the convertor and the slag level can be established to be constant or within a predetermined range. A water-cooled structure antenna is used as the antenna.

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