摘要 |
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. |
申请人 |
NETZSCH MOHNOPUMPEN GMBH |
发明人 |
WEIGL, STEFAN;DENK, REINHARD;KAMAL, HISHAM;STRASSL, JOSEF;KURZ, ROBERT;MURRENHOFF, BERNHARD;BOEHME, THOMAS;HERR, GUNTHER;KNEIDL, FRANZ;TEKNEYAN, MIKAEL;GRADL, MATTHIAS;WEBER, ERWIN;WILLIS, ROGER;KERN, STEFAN;KREIDL, JOHANN;VERHOEVEN, MARCEL;SCHMITT, THOMAS |