Method and device for fixing and synchronizing rotary pistons in a rotary piston pump

US9611850B2 · kind B2 · utility

Assignee

• NETZSCH Pumpen & Systeme GmbH · DE

Inventors

• Stefan Weigl · Mühldorf a. Inn, DE
• Reinhard Denk · Dahme/Mark, DE
• Hisham Kamal · Waldkraiburg, DE
• Josef Strassl · Straubing, DE
• Robert Kurz · Aschheim, DE
• Bernhard Murrenhoff · Buchbach, DE
• Thomas Boehme · Waldkraiburg, DE
• Gunther Herr · Haarth, DE
• Franz Kneidl · Waldkraiburg, DE
• Mikael Tekneyan · Waldkraiburg, DE
• Matthias Gradl · Seßlach, DE
• Erwin Weber · Ampfing, DE
• Roger Willis · Mühldorf a. Inn, DE
• Stefan Kern · Frankfurt am Main, DE
• Johann Kreidl · Waldkraiburg, DE
• Marcel Verhoeven · Zedelgem, BE

Key dates

• Filing date: Aug 6, 2014
• Grant date: Apr 4, 2017
• Expiry date: Sep 5, 2034

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/53
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A method and a device for fixing and synchronizing rotary pistons in a rotary piston pump involves introducing the rotary pistons into the pump space of the rotary piston pump. A shaft stub of each rotary piston is then pushed through a pump rear wall onto a driveshaft provided for the respective rotary piston. The rotary pistons are aligned and synchronized in the pump space via a template, the template being fixed detachably to a pump housing. The shaft stubs of the respective rotary piston are connected, after the synchronization, in each case via a clamping device in a friction-locked manner to the respective driveshaft, outside the pump space.