公开(公告)号：US20190309831A1

公开(公告)日：2019-10-10

申请号：US16378860

申请日：2019-04-09

Applicant: BorgWarner Inc.

Inventor： Keith B. COBB ,  Mark WIGSTEN ,  Kevin TODD ,  XiaoJian LU ,  Seongdo HONG ,  Paul FREEMANTLE ,  Akira TAKEUCHI

IPC: F16H7/08 ,  F16H25/18

Abstract: Hydraulic tensioner device including a tensioner arm and a hydraulic tensioner. The tensioner arm comprising: a body having a first end, a second end, a chain sliding surface and a surface opposite the chain sliding face; a pivot at the first end or the second end of the body; and a banjo bolt feed at the other of the first end or second end of the body. The hydraulic tensioner being pivotably attached to the pivot and the banjo bolt and adjacent the surface opposite the chain sliding face, wherein the hydraulic tensioner receives supply fluid from the banjo bolt, the hydraulic tensioner comprising: a housing with a bore; a hollow piston having a first end and a second end, slidably received within the bore; and a spring received within the bore of the housing and the hollow piston biasing the hollow piston outwards from the bore of the housing.