Patent · US Expired

System for controlling solid transport

US4685842A · kind A · utility

14Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 4, 1984
Grant dateAug 11, 1987
Priority date
Expiry dateDec 4, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65G53/30
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A method and apparatus for withdrawal and replacement of solid particles slurried in a fluid employing L-valves is disclosed. The flow through the L-valves is controlled by the control of the flow of separated fluid and the replacement and withdrawal functions are configured so as to permit removal of the solids from the system and addition of fresh material. Control of the fluid flow by means of exerting or controlling pressure on the gas phase in association with it.

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