Patent · US Active

Screw spindle pump having a connector housing with two parts rotatable relative to one another and the pump housing

US11319953B2 · kind B2 · utility

3Cited by

6References

24Claims

0Family size

Assignee

LEISTRITZ PUMPEN GMBH · DE

Inventors

Ralf Richter · Wuppertal, DE
Susanne Brütting · Obertrubach, DE

Key dates

Filing date	Oct 6, 2020
Grant date	May 3, 2022
Priority date	—
Expiry date	Oct 6, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04C2240/806
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A screw spindle pump, comprising a pump housing having a lead screw received therein and at least one running spindle which meshes with said lead screw, as well as a connector housing which is placed onto the pump housing and has a suction connector and a pressure connector, the two latter fluidically communicating with a suction inlet and a pressure outlet of the pump housing, wherein the connector housing is composed of a first housing part and a second housing part, one of the two latter having the suction connector and the other having the pressure connector, both said housing parts being rotatable relative to the pump housing and both being rotatable relative to one another.

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