Patent · US Expired

Pump seal flush

US4190538A · kind A · utility

59Cited by
3References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 22, 1978
Grant dateFeb 26, 1980
Priority date
Expiry dateSep 22, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S277/918
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An inertial filter is installed in the discharge of a pump which is used to transfer slurries, and the filtrate stream from the filter serves as the pump seal flush.

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