Patent · US Expired

Lifting device for water, waste water, sludge and the like

US3994616A · kind A · utility

0Cited by

7References

2Claims

0Family size

Assignee

Maschinenfabrik Hellmut Geiger GmbH. & Co. KG · DE

Inventors

Bertram Botsch · Karlsruhe, DE
Werner Marzluf · Rheinstetten, DE

Key dates

Filing date	Aug 1, 1974
Grant date	Nov 30, 1976
Priority date	—
Expiry date	Aug 1, 1994

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04B19/10
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A conveying device for water or aqueous liquids and in particular for the conveyance of waste water is provided which includes a rotatable conveying wheel having a plurality of cells defined by inner and outer concentric rings and a plurality of radially oriented separation walls. A single disc is secured to one side of the inner and outer concentric rings so that the cells are open at one side. A stationary wall member is provided, at least in the region of upward conveyance of the liquid, and a receiving vessel is positioned in the discharge region of the conveying wheel.

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