Patent ID: 7275920
Filing Date: 2007-10-02
Classification: F01C,F04C

Abstract:
1. A rotary piston machine, comprising: at least two operational rotors mounted for rotation, said operational rotors including a driving part and a driven part, said driving part and said driven part each including front face denticulation collectively forming a boundary of working spaces, respective axes of said driving part and said driven part being disposed at an axial angle relative to one another; a machine housing accommodating said at least two operational rotors; a pressure conduit and a suction conduit intermittently connectable with said working spaces when said operational rotors are running; a motor housing and an electric motor housed in said motor housing, said electric motor including a drive rotor mounted in axial alignment with said driving part, said motor housing and said machine housing being interconnected; said electric motor and said operational rotors running on a stationary main axle disposed jointly in said motor housing and said machine housing; and a journal pin rotatably supporting said driven part and being disposed approximately at said axial angle with respect to said driving part.