Patent · US Active

Monitoring slide ring seal

US10989307B2 · kind B2 · utility

0Cited by
2References
21Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 19, 2016
Grant dateApr 27, 2021
Priority date
Expiry dateMay 13, 2037

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2291/2696
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An arrangement for shaft sealing and to a method for monitoring the sealing of the shaft seal are provided. The arrangement includes a rotating slide ring and a stationary slide ring, with a sealing gap having a lubricating film therebetween. The arrangement includes at least one sound transducer for generating and/or receiving exciting sound waves in the form of Lamb Rayleigh waves in at least one slide ring. The signals of the sound transducer are evaluated by an evaluation unit to determine the condition of the lubricating film in the gap.

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