Patent ID: 6272971
Filing Date: 2001-08-14
Classification: F16C,Y10T

Abstract:
Connecting rod for a hermetic refrigerating compressor, in which a shaft is connected with a reciprocating piston via a crank and the connecting rod, the connecting rod comprising a first bearing for connection to the crank, the first bearing having a bearing surface and a predetermined diameter, the connecting rod further comprising a connecting link for connection to the piston, and an intermediate portion connecting the first bearing and the connecting link, the connecting rod having means for preventing direct transfer of compressive stress between a common movement centre of the crank and the connecting rod and a common movement centre of the connecting rod and the piston, the connecting rod also having a cut-out in the intermediate portion, the intermediate portion having an entire solid structure with substantially uniform thickness, the cut-out being arranged at a distance from the bearing surface of the first bearing, the distance amounting to 15-30% of the diameter of the first bearing, and the cut-out having an area and the first bearing opening having an area, the areas having a relation of 0.1-5%.