Deposit control in fuel injector nozzles
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United States of America Patent
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Oct 18, 2005
Grant Date -
Sep 18, 2003
app pub date -
Apr 20, 2001
filing date -
Apr 20, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
An injector nozzle for a fuel injected internal combustion engine, said injector nozzle including a port (5) having an internal valve seat surface (15) and a valve member (13) having an external seating surface (17), said valve member being movable relative to the port to respectively provide a passage between the valve seat surface and the external seating surface for the delivery of fuel therethrough or sealed contact therebetween to prevent said delivery of fuel, the port further including an outer port surface (16) surrounding and located adjacent the valve seat surface and external to the port, wherein the angle between the valve seat surface and the outer port surface of the port is less than 90 degrees.
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