公开(公告)号：US10436164B2

公开(公告)日：2019-10-08

申请号：US15539618

申请日：2014-12-23

Applicant: CUMMINS INC.

Inventor： Chin-pei Wang ,  Matthew B. State ,  Eric A. Benham ,  Justin Gregory Wenger ,  Alexander E. Lesin ,  Kyle J. Brewer

IPC: F02M59/10 ,  F02M59/44 ,  F04B9/04 ,  F04B1/04

Abstract: A roller assembly, comprising a roller shoe having a bottom surface, and a groove at the bottom surface, the groove having a semicircular portion and a straight portion extending from the semicircular portion, the semicircular portion having a first diameter and the straight portion having a first width, and a cylindrical roller positioned in the roller shoe groove, the cylindrical roller having a second diameter, wherein the first width is greater than or equal to the first diameter and the second diameter is less than the first width.