Patent · US Expired

Multiple-flow liquid ring pump

US6551071B1 · kind B1 · utility

3Cited by

8References

9Claims

0Family size

Assignee

Gardner Denver Wittig GmbH · DE

Inventors

Helmut Blender · Mindelheim, DE
Rolf Jager · Brooks Road, US
Karl-Heinz Kulas · Lörrach, DE
Horst Masuch · Schweinfurt, DE
Patrick Muller · Meilen, CH
Wolfgang Tempel · Schopfheim, DE

Key dates

Filing date	Jul 16, 2001
Grant date	Apr 22, 2003
Priority date	—
Expiry date	Jul 16, 2021

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01C21/10
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a multiflow liquid ring pump, comprising a rotor housing that encompasses the pump rotor. A side shield is arranged on both front ends. Each side shield has an inlet and an outlet on the side facing the other side shield, the inlet and outlet being interconnected. An admission hole for the feed line and a pressure hole for the discharge line are provided. Each side shield has at least one additional connection hole. The invention is characterized in that the outer jacket surface of each side shield (3, 4) flushes with and closes the outer jacket surface of the rotor housing (2) and in that the inlet (7, 9), the outlet (8, 10) and the connection hole (11, 12, 13, 14) are connected by channels (15, 16, 30, 31) arranged in the rotor housing (2).

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