INTERNAL COMBUSTION ENGINE Russian patent published in 1999 - IPC

FIELD: mechanical engineering; four-stroke internal combustion engines for use in power plants of aircraft, automobiles, water boats, etc. SUBSTANCE: engine has housing 1 accommodating shaft 2 with oblique crank 3. inclined plates 4 installed on crank 3 are coupled with pistons 7 through rocking frames 5 and connecting rods 6. Pistons 7 move in sleeves-pistons 8 installed in housing on bearings 9 and provided with one window. Sleeve-pistons 8 are set into rotation by shaft 2 through gear train 11. Spark plugs are installed in housing 1, and intake and outlet mains intakes are arranged in plane of rotation of window. EFFECT: increased efficiency of engine, as compared with other devices of known design. 2 dwg