Abstract: A liquid-ring compressor having a rotor mounted in a compressor housing. The rotor is mounted eccentrically relative to the center axis of the compressor housing. At least one control disk is arranged on one of the end faces of the rotor. The control disk is provided with a suction slot and a pressure slot for the feed and discharge of the medium to be compressed, respectively. The control disk also has an encircling distribution groove in the area covered radially by the hub of the rotor. Operating liquid is introduced into a feed opening, which leads to the distribution groove, to seal an axial gap between the control disk and the rotor hub. A blocking element projects radially into the distribution groove and is provided on the side of the feed opening that has the greater pressure differential between the pressure of the operating liquid entering the feed opening and the pressure in the rotor cells. The blocking element improves the sealing of the axial gap.

Abstract: An improved liquid ring machine having a housing that has a circular inside contour and side shields arranged at its faces, at least one of which is provided with a control disk. The rotor of the machine is eccentrically mounted in the side shields to rotate relative to the machine housing. The rotor comprises a hub, blades, and a center wall that extends radially over the entire circumference of the rotor from the rotor hub to the free end of the blades. A partition wall is attached to the machine housing, lies in the same plane as the center wall and surrounds the center wall such that a gap exists between the center wall and the partition wall. The gap may be easily adjusted by pivoting the machine housing relative to the side shields, i.e., the control disks, and the rotor, around a pivot point that lies outside of the center axis. The machine housing may be secured in place in its pivoted position in each instance.