Patent number: 8403783

Hydraulic tensioner with a band type check valve

Original Assignee: BorgWarner Inc.

Field of technology: Vehicles, Engines and Transportation

Patent granted on: Tue, 26 Mar 2013

Patent drawing

Abstract

A hydraulic tensioner includes an inlet portion which defines a pressurized fluid inlet. The hydraulic tensioner also includes a housing defining a chamber which is coupled to the inlet portion. A band check valve separates the pressurized fluid inlet from the chamber, and a piston slideably engages the housing. A method of manufacturing the hydraulic tensioner is also disclosed.