INTERNAL COMBUSTION ENGINE Russian patent published in 1994 - IPC

FIELD: internal combustion engines. SUBSTANCE: crank mechanism is made in form of two crank bushes on which gears are rigidly pressed; end of outer crank bush is pressed in inner race of the bearing and outer bush is pressed in the support; end of inner crank bush is pressed in the clearance of the outer bush; both bushes are tightened up by means of stud; mounted kinematically on either side of crank heads are connecting rod big ends provided with bearings with nuts rigidly secured in them; connecting rod small ends are connected by means of pin pressed in the piston walls; rigidly secured in the center portion of this pin at right angle are two hollow guide rods which are received by through passages of the bearing support; gears located in the crank bushes are kinematically linked with the gears rigidly secured on the power takeoff shaft running through the bearing support. EFFECT: enhanced reliability. 4 cl, 2 dwg