Patent · US Expired

Vertical barrel pump

US5522701A · kind A · utility

7Cited by

8References

6Claims

0Family size

Assignee

KSB Aktiengesellschaft · DE

Inventors

Alexander Nicklas · Dirmstein, DE
Jurgen Schill · Bad Dürkheim, DE

Key dates

Filing date	Mar 30, 1994
Grant date	Jun 4, 1996
Priority date	—
Expiry date	Mar 30, 2014

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04D29/445
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a vertical barrel pump, in which components, constructed as separate inserts in the form of a guide wheel insert, a radially and/or axially developed spiral insert and a diffuser-shaped pressure connecting piece insert are disposed in the region of the last pump stage to improve the efficiency of the multi-stage pump.

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