Fuel injector with grooved check member
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United States of America Patent
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Aug 25, 2009
Grant Date -
Mar 15, 2007
app pub date -
Aug 25, 2005
filing date -
Aug 25, 2005
priority date (Note) -
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Abstract
A method and apparatus for injecting fluid into a machine are disclosed. A fluid injector is disclosed having a nozzle body with first and second body portions and at least one fluid injection orifice within the second body portion. The nozzle body may be configured for transmitting fluid from the first body portion toward the orifice. The fluid injector may also include a check member movably arranged inside the nozzle body for affecting fluid flow through the orifice and having a contoured outer surface defining (i) a recessed region and (ii) a generally convex region forming at least a portion of the recessed region.
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