Abstract: A vane machine includes a housing with a inlet port and an outlet port, a rotor mounted in a cavity of the housing. The rotor has a faceplate and a guide cylinder mounted eccentrically on an end surface of the housing opposite to the faceplate. The guide cylinder is rotatable and provided with a diametrical face groove open from a side of the faceplate, and one or more working vanes mounted on the faceplate such that the faceplate is rotatable and movable in the grooves of the guide cylinder as the faceplate rotates. The diameter of the guide cylinder 7 is D>4a?L, where e is the eccentricity of the axis of the guide cylinder and the length of the working vane is L?4e×sin 90°/N, where N is the number of working vanes.

Abstract: A vane machine according to the invention comprises a housing (1) with a inlet port (2) and an outlet port (3), and a rotor mounted in a cavity (4) of the housing (1) and constituted by a faceplate (5). The vane machine further comprises a guide cylinder (7) mounted eccentrically on the end surface of the housing (1) opposite to the faceplate (5), the guide cylinder (7) being rotatable and provided with a diametrical face grooves (8) and working vanes (6) mounted on the faceplate (5) and adapted for free rotation and movement in the grooves (8) as the faceplate (5) rotates. The eccentricity of the rotation axis of the working vanes (6) is equal to the eccentricity of the rotation axis of the guide cylinder (7). The profile of the cavity (4) of the housing (1) is oval, cylindrical, epicycloidal or curved, and the diameter of the guide cylinder 7 is D>4å?L, while the length of the working vane (6) is L<=4å×sin9O/N.