公开(公告)号：US20190048764A1

公开(公告)日：2019-02-14

申请号：US15673731

申请日：2017-08-10

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Robert Gallon ,  David E. Mann ,  Charles L. Nicholson

IPC: F01L1/348 ,  F01L1/047 ,  F01L1/02

Abstract: A tensioner assembly for an engine timing drive includes a tensioner with a tensioner body having a fastener opening and defining a cavity with a plunger opening. A plunger is disposed in the cavity and a removable pin restrains the plunger in the cavity. The plunger is configured to be biased out of the plunger opening when the pin is removed. A protuberance extends outward from the tensioner body and is adapted to receive an applied torque. The tensioner body is configured to pivot about a center axis of the fastener opening in response to a predetermined torque applied to the protuberance. A method of assembling an engine timing drive includes applying a predetermined torque to a protuberance of a tensioner that is pivotably mounted to a cylinder block to rotate the tensioner toward a rotatable device such that the tensioner applies a predetermined load to the rotatable device.