The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 20, 2004

Filed:

Nov. 05, 2001
Applicant:
Inventors:

Daniel Michael Kabat, Oxford, MI (US);

Timothy J Potter, Dearborn, MI (US);

William Chris Vassell, Bloomfield Hills, MI (US);

Assignee:

Ford Global Technologies, LLC, Dearborn, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 4/300 ;
U.S. Cl.
CPC ...
F02B 4/300 ;
Abstract

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.


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