Patent ID: 8684715

Claim:
A vane machine for expansion or compression of gaseous media, air, exhaust gases from an internal combustion engine, vaporous media or a mixture thereof, the vane machine comprising: a housing including an inner wall defining a center axis and a cylindrical space and having an inlet port and an outlet port in said cylindrical space; a shaft displaced in parallel or disposed eccentrically relative to said center axis; at least one first and one second circular disk disposed offset in parallel relative to one another on said shaft, each of said circular disks having a plurality of circular-arcuate slots; a connecting rod having a single connecting rod bore; slides guided by said circular disks and displaceable in direction of said inner wall, each of said slides having an end facing said inner wall and a part with a circular-arcuate configuration at least at said end facing said inner wall, said circular-arcuate part of each of said slides moving at least in one of said circular-arcuate slots of said first circular disk and in one of said circular-arcuate slots of said second circular disk, each of said slides having a guide arm with a guide bolt aligned with said end of said slide facing said inner wall, and said guide bolt having an end facing away from said guide arm and resting in said single connecting rod bore; and vane cells each being formed by an adjacent two of said slides and an adjacent region of said inner wall, said vane cells having volumes, and said volume of said vane cells in vicinity of said inlet port differing from said volume of said vane cells in vicinity of said outlet port.