FIELD: mechanical engineering.
SUBSTANCE: invention can be used for converting reciprocation into rotation and vice versa. Proposed mechanism contains support and guide cranks hinge connected to each other and having radii of rotation equal to one fourth of piston stroke. Rollers-cogs are installed symmetrically on necks of guide crank for engagement with fixed internal gear whose pitch circle radius is equal to half of piston stroke. Neck is arranged on guide crank on axle of one of rollers out of internal gear plane, being hinge connected with one piston rod, minimum.
EFFECT: increased efficiency owing to improved friction conditions.
1 dwg
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