AXIAL FOUR-STROKE ENGINE Russian patent published in 2002 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: proposed engine has cylinder block with axially arranged cylinders and spatial power mechanism for converting movement of pistons into rotation of shaft. According to invention split lock is made on end faces of front and rear forked heads. This lock determines value H of center-to-center distance between working and auxiliary rollers and provides slackless contacts of working and auxiliary rollers with torus-arc profiles of power mechanism. Each front forked head of piston rod is connected with corresponding rear forked head by right-hand and left-hand precision bushings and is secured by nuts. Right-hand and left-hand cylindrical guides passing through holes of precision bushings are installed in block housing. Cylindrical guides are made in form of hollow rods forming ring clearance in which bushing cage with balls is installed. Each ball has its own raceway on inner and outer contact surfaces. EFFECT: improved operation reliability of engine. 5 cl, 8 dwg