Joma-polytec Gmbh

Stefanie Wuhrer

Torsten Helle

Friedhelm Pfitzer

Hans-Peter Ott

Bernd Hess

Martin Thoma

Helle Torsten

A vane for a vane cell vacuum pump. The vane can be rotated about an axis of rotation by a rotor in a pump chamber and guided in the longitudinal direction in the rotor, with an upper side and a lower side to abut against the bottom and the ceiling of the pump chamber, with a rear side opposite a front side to limit the pressure chambers, with at least one face to slidably abut against an inside wall of the pump chamber on the casing side. The vane comprises a base body of a first plastic material and a vane end molded of a second plastic material to the base body forming the face. The base body comprises a mounting section around which the vane end is formed. The mounting section comprises at least one recess transverse to the front side and/or the rear side.

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Burladingen, Germany

Stefanie Wuhrer