Process and device for cooling a piston crown of an internal-combustion engine.

摘要

Process for cooling a piston head (15) of an internal combustion engine of the forced oil circulation type, according to which: - a connecting rod (16) is guided downward by the piston, - the bottom bearing bush (21) of the big end (17) is grooved, - a hole (4) is made the length of the connecting rod body (16) in order to ensure that oil is taken up along the connecting rod, - a groove is made in the ring (5) on the little end of the connecting rod (19), - and a relief (20) is provided on a level with the piston pin bushings in order to admit the oil. <IMAGE>