High strength and stiffness silent chain with improved noise

Patent No. 7,803,080

Issued: September 28, 2010
Filed: December 13, 2006

Inventors: Ledvina; Timothy J. (Groton, NY), Parks; D. Laurence (Waverly, NY), McGrogan; Shawn (Watkins Glen, NY), Park; Wes (Ithaca, NY)
Assignee: BorgWarner Inc. (Auburn Hills, MI)


An improved link for a chain for use with a sprocket, the link comprising a body having a pair of apertures for receiving connecting pins and a pair of teeth having outside flanks, and inside flanks between the teeth defining a crotch. The improvement includes an effective outer flank angle between a line tangent to the outer flank of the link at 1.5 P and a vertical line intersecting the tangent line of less than or equal to 29 degrees, an effective inner flank angle between a line tangent to the inner flank of the link at 0.5 P and a vertical line intersecting the tangent line of less than or equal to 29 degrees, and a plurality ratios. The links may be assembled into a chain and connected by a plurality of pins.

Reference to Related Applications

This application claims an invention which was disclosed in Provisional Application No. 60/749,831, filed Dec. 13, 2005 entitled "HIGH STRENGTH AND STIFFNESS SILENT CHAIN WITH IMPROVED NOISE" and in Provisional Application No. 60/827,731, filed Oct. 2, 2006 entitled "HIGH STRENGTH AND STIFFNESS SILENT CHAIN WITH IMPROVED NOISE". The benefit under 35 USC .sctn.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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