Patent ID: 8434529

Claim:
A filling device for containers, particularly beverage bottles, comprising a filling unit by way of which different media, including a product to be bottled, can be one of supplied, discharged, or a combination thereof, and a return gas pipe which is contained in the filling unit and is displaceable in linear fashion relative to the filling valve by means of an electromagnetic positioning drive, the electromagnetic positioning drive (P) being a linear motor composed of a stationary stator housing including at least one linear motor winding and of a rotor coupled to the return gas pipe and arranged in the stator housing in a rotor bore, wherein the linear motor is a commercial linear motor formed with one of inner, outer, or combination inner and outer food-grade surface linings that are resistant to the media processed in the filling device, and wherein the linear motor with the stator housing and the rotor bore is constructionally integrated into the filling device with formation of a flow path for at least one medium.