PISTON MACHINE Russian patent published in 2002 - IPC

FIELD: power engineering. SUBSTANCE: proposed machine is designed for use as piston internal combustion engine, compressor or pump. Machine has piston with connecting rod made in form of two tooth racks, working shaft and gear section installed on shaft for alternate engagement by gear section with racks. Surfaces of connecting rod pointed to sector and connecting the racks in upper and lower parts are described by straight-line or oval sections, and sector from side diametrically opposite to its toothed section is described by straight-line or oval sections for alternate engagement with like sections of connecting rod. EFFECT: increased efficiency owing to reduction of impact loads in zones of top dead center and bottom dead center. 3 dwg