HYDRAULIC AND GAS MACHINE Russian patent published in 2003 - IPC

FIELD: pneumatic and hydraulic motors. SUBSTANCE: proposed hydraulic and gas machine is provided with intake and outlet ports and working wheels with blades made in form of Archimedean spiral and installed in working chamber in common space eccentrically and with angular displacement relative to each other through 180oC, and adjacent working chamber. Intake and outlet ports are located in central area. Disks of extreme working wheels are interconnected by solid wall forming guide channels in peripheral area to combine first and adjacent working chambers. EFFECT: improved reliability in operation, simplified design, reduced radial dimensions, axial forces and dynamic loads on working wheels. 5 cl, 7 dwg