Fuel injector assembly for dry fuels
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United States of America Patent
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Jan 20, 2004
Grant Date -
May 8, 2003
app pub date -
Nov 5, 2001
filing date -
Nov 5, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fuel injector system according to the present invention has a housing (52) having a valve assembly (56) disposed therein. A solenoid (54) is also disposed within the housing (52). A valve assembly (56) is disposed between an inlet port (82) and an outlet port (80). The valve assembly has a valve seat (74) having an opening (84) therein. A drive pin (108) extends at least partially through valve opening (84). A stop (78) has a spring (86) thereon. A valve element (76) is urged against the valve opening (84) by spring (86). The drive pin is at least partially coated with a lubricating coating. In the preferred embodiment at least a concave surface (144) of drive pin (108) is coated. In addition, a concave surface (140) of stop (108) is also coated. In addition, spring seat (79) may also be coated with a lubricating coating as well.
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