Patent · US Expired

Mechanical seal leakage alarm

US4197531A · kind A · utility

12Cited by
0References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 27, 1978
Grant dateApr 8, 1980
Priority date
Expiry dateApr 27, 1998

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H43/02
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An alarm system for indicating excessive leakage of liquid across the engaging seal faces of a mechanical seal, especially those seals which are so positioned to prevent visual inspection.

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