ROTARY ENGINE Russian patent published in 1998 - IPC

FIELD: mechanical engineering; internal combustion engines, steam and air engines. SUBSTANCE: rotor placed in engine housing is provided with projection which covers half of quarter of housing inner bore. Projection smoothly changes into main diameter of rotor at one side, and at other side projection is arranged at angle to rotor surface to provide drift of shutter separating working and nonworking chambers. EFFECT: simplified construction of engine, increased efficiency owing to reduction of working medium losses in combustion (expansion) chamber. 3 cl, 2 dwg