Crank-drive mechanism for engine - has drillings in crankpins and slides supplying lubricating oil to working surfaces

摘要

The crank drive mechanism has a flywheel (18'') with ring (18') forming an energy accumulator. It is particularly for an opposed piston engine with two identical double pistons (24,K1,K2). Each of these has a slide (21) working in a crank loop (25) and in which a crankpin (19) turns. The pistons and their respective cylinder blocks (26) are in parallel planes one above the other, while between them is the crankshaft housing, the latter accommodating the flywheel dish section. This is coupled to the ring via rollers (20) forming a freehweel, and the ring has crankpins (19) on opposite sides and 180 deg. apart, forming a crankshaft with vertical axis (Z). Lubricating oil for the working surfaces is supplied via drillings in the slides. These in turn are supplied via drillings in the crankpins and grooves (22,23) turned in the rings and in the bottom of the dish section. USE/ADVANTAGE - Reduced internal friction, few parts and low cost.