Spherical joint connecting rod

Internal-combustion engines – Transmission mechanism from piston – Crankshaft and connecting rod

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74587, 74579E, F02B 7526

Patent

active

056852673

ABSTRACT:
A spherical joint connecting rod. The connecting rod has a small end which terminates in a sphere or ball, and a big end which is adapted to sliding engage an engine crankshaft. The small end and big end of the connecting rod are coupled by a shank having a substantially elliptical cross-section. The shank has formed therethrough an internal oil passage which allows transmission of lubricating/cooling oil from the engine crankshaft to the spherical joint of the piston and to the piston cooling gallery.

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patent: 5261797 (1993-11-01), Christenson
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patent: 5313875 (1994-05-01), Kadlicko

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