Control valve
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United States of America Patent
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Apr 8, 2014
Grant Date -
N/A
app pub date -
Aug 31, 2012
filing date -
Aug 31, 2012
priority date (Note) -
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Abstract
A poppet valve for controlling fuel in an electronically actuated valve assembly for diesel engine fuel injection systems comprising along a common axis a stem with a cylindrical guide and a neck, and a circular head, the neck being smaller in cross section than the guide, and the head being larger than the guide, the head having a conical surface facing the guide, the conical surface having an annular primary sealing area and a receding surface area radially outward of the primary sealing area, the primary sealing area having an inside diameter less than a diameter of the guide, an outside diameter greater than the guide and oriented obtusely to the axis, the receding surface area merging with the primary sealing area at an outside diameter of the primary sealing area, the receding surface area being oriented more obtusely to the axis than the orientation of the primary sealing area.
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