Hydraulic tensioner with a band type check valve

Patent No. 8,403,783

Issued: March 26, 2013
Filed: December 6, 2006
PCT Filed: December 06, 2006
371(c)(1),(2),(4) Date: May 21, 2008
PCT Pub. No.: WO2008/027067
PCT Pub. Date: March 06, 2008
Term Extension: 1,344 days

Inventor: Mark Wigsten (Lansing, NY)
Assignee: BorgWarner Inc. (Auburn Hills, MI)

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.

Reference to Related Applications

This application claims an invention which was disclosed in Provisional Application No. 60/749,832, filed Dec. 13, 2005, entitled "HYDRAULIC TENSIONER WITH A BAND TYPE CHECK VALVE". The benefit under 35 USC 119(e) of the United States provisional application is hereby claimed, and the aforementioned application is hereby incorporated herein by reference.

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