Ford Global Technolgoies, LLC

William Chris Vassell

Timothy Jay Potter

Daniel M Kabat

Robert E Hetrick

Xia Zhang

Michael Raymond Rigley

A fuel injector system according to the present invention has a housing ( ) having a valve assembly ( ) disposed therein. A solenoid ( ) is also disposed within the housing ( ). A valve assembly ( ) is disposed between an inlet port ( ) and an outlet port ( ). The valve assembly has a valve seat ( ) having an opening ( ) therein. A drive pin ( ) extends at least partially through valve opening ( ). A stop ( ) has a spring ( ) thereon. A valve element ( ) is urged against the valve opening ( ) by spring ( ). The drive pin is at least partially coated with a lubricating coating. In the preferred embodiment at least a concave surface ( ) of drive pin ( ) is coated. In addition, a concave surface ( ) of stop ( ) is also coated. In addition, spring seat ( ) may also be coated with a lubricating coating as well.

Fuel injector assembly for dry fuels

An engine component such as an intake or exhaust valve, or any other component near or within the combustion chamber, is coated with an amorphous hydrogenated carbon film coating to prevent the formation of carbonaceous deposits thereon. Methods for forming the film coating are also disclosed.

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Bloomfield Hills, MI, United States of America

William Chris Vassell