ROTARY PISTON PUMP

A rotary piston pump with at least two double- or multi-lobe rotary pistons rotating in opposite directions, the drive shafts whereof include seals, wherein the seals are constituted as slip ring seals or lip seals or stuffing-box seals, which in each case are disposed on the shaft shoulder belongin...

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Bibliographische Detailangaben
Hauptverfasser: ROBERT KURZ, ROGER WILLIS, THOMAS BOEHME, JOHANN KREIDL, FRANZ KNEIDL, MARCEL VERHOEVEN, HISHAM KAMAL, THOMAS SCHMITT, MATTHIAS GRADL, BERNHARD MURRENHOFF, STEFAN KERN, REINHARD DENK, ERWIN WEBER, STEFAN WEIGL, MIKAEL TEKNEYAN, GUNTHER HERR, JOSEF STRASSL
Format: Patent
Sprache:eng ; por
Schlagworte:
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Beschreibung
Zusammenfassung:A rotary piston pump with at least two double- or multi-lobe rotary pistons rotating in opposite directions, the drive shafts whereof include seals, wherein the seals are constituted as slip ring seals or lip seals or stuffing-box seals, which in each case are disposed on the shaft shoulder belonging to the respective rotary piston, and one slip ring per seal is provided with a locking device, which includes a large number of fixing positions. The seals are pushed onto a tubular shoulder of the rotary piston, the rotary piston is introduced into the pump housing, the securing element is connected to the slip ring seal in a form-fit manner by rotation of the rotary piston and the shaft shoulder is then rigidly connected to the drive shaft.