Patent · US Expired

Sludge flow measuring system

US5257912A · kind A · utility

10Cited by
7References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 24, 1992
Grant dateNov 2, 1993
Priority date
Expiry dateNov 24, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S417/90
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A system for the transport of high solids sludge includes a positive displacement pump for pumping sludge through a pipeline. The volume of sludge transported is accurately measured by determining the fill percentage during pumping cycle.

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