Patent ID: 8821142

Claim:
A pump or motor for liquid or gaseous media, comprising: work chambers disposed between two diametrically opposed work faces that are symmetrical to respective axes of rotation of the two work faces; one spur toothing on each of the two work faces, the spur toothings associated with one another and which, together with radially extending meshing lines of contact, define the work chambers; a defined corresponding angle between the respective axes of the two work faces, a working part having a spur toothing for receiving one of the work faces, the working part being rotatable about an axis; a spherical radial boundary of the working part and of the work faces for sealing support on a partly spherical inner wall of a housing; a radial boundary of the work chambers, by which boundary the partly spherical inner wall surrounds the working part, on which wall the working part tumbles about the axis and is supported radially sealingly on the wall; a rotary drive or power takeoff via a shaft; and one conduit forming one inlet and one conduit forming one outlet to the work chambers for the media, wherein between the shaft and the working part a slanted sliding plane is disposed, so that rotation of the shaft leads to tumbling of the working part, and tumbling of the working part leads to rotation of the shaft, the work face, diametrically opposite the working part and having a spur toothing corresponding to the spur toothing of the working part, is non-corotating and is a stationary work face in the housing, and the shaft has an increased diameter toward the slanted sliding plane and the shaft has a connecting conduit, extending in the shaft for carrying the liquid or gaseous media onward from and to the work chambers, wherein the connecting conduit opens out with a recess into the slanted sliding plane, wherein openings are present in the work face of the working part and are controlled by the recess in the slanted sliding plane.