公开(公告)号：US10197091B1

公开(公告)日：2019-02-05

申请号：US15671120

申请日：2017-08-07

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Francesco Germano ,  Fabio Numidi ,  Vito Rescina

IPC: G05G1/00 ,  F16C7/02 ,  F16C9/04 ,  F16C11/02

Abstract: A connecting rod for connecting between a crankshaft and a piston, includes a small end with a cylindrical hole adapted to for receiving a piston pin, a big end having a crank pin bore adapted for receiving a crank pin of a crankshaft and a stem portion extends between the small end and big end. The stem portion can have an I-beam cross-section with a pair of legs and a web extending between the pair of legs. The web includes oppositely facing surfaces defining a thickness that is less than a thickness of the pair of legs. The web includes at least one grooved/recessed portion that is recessed relative to the oppositely facing surfaces of the web.