Patent · US Expired

Method of determining liquid level in a petroleum cracking reactor

US4077258A · kind A · utility

0Cited by
2References
1Claims
0Family size

Inventors

Key dates

Filing dateNov 16, 1976
Grant dateMar 7, 1978
Priority date
Expiry dateNov 16, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F23/14
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An improved method for determining the liquid level in a petroleum thermal cracking reactor by injecting oil into the reactor at a predetermined rate not less than 5 cm/sec and measuring the liquid pressure at the point of injection and calculating the liquid level from the measured pressure.

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