FIELD: engines and pumps.
SUBSTANCE: invention relates to machine building, namely, to converters of reciprocation into rotation and vice versa. In compliance with this invention, the lateral rocker makes a transfer link articulated with con rod (3) and piston dog (1). Note here that the location and length of swinging sector of rocker (2) are selected so that piston dog (1) has a minimum angular deviation from cylinder axis (3.5° to 5.5°) at the extreme top angular position of rocker (2) and stays on the line perpendicular to the cylinder axis and passing through rocker swinging center. It is possible to vary, within 35 to 40%, the compression ratio by a control member influencing the position of the aforesaid center of swinging, thus, varying the initial vertical position of piston (5).
EFFECT: simple, compact motion converter.
2 cl, 5 dwg
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