PISTON MACHINE Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: members of a case are made of rectangular arcs with opposite cylinders 3,4. Pistons 5,6 are interconnected through rods to form spider 7 mounted on eccentric 9 of shaft 16. Frame 11 has twin eccentrics 12 in bearings 14,15 of which the arcs are set. Power take off shaft 16 is provided with counter-weights for eliminating vibrations of the piston machine. Kinematical connection of the arcs with shaft 16 is implemented by gears 23,24,25,26. Common gear ratio of the gears are 2:1. EFFECT: improved design. 2 dwg