Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dewey M. Sims, Jr.0
Date of Patent
April 13, 2010
0Patent Application Number
123512550
Date Filed
January 9, 2009
0Patent Primary Examiner
Patent abstract
A damper for dampening pressure pulsations in a quantity of fuel within a fuel rail of an internal combustion engine. The damper includes a non-metallic membrane having a thickness no more than about 0.009 inch. The membrane includes an exterior surface and a portion defining an internal dampening chamber containing a compressible gas. The damper further includes a protective coating having a thickness not more than about 0.001 inch that forms a continuous barrier separating the compressible gas within the dampening chamber from the quantity of fuel in the fuel rail. The protective coating includes at least one metal, metal oxide, or metalloid.
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