Dual spray injection nozzle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jan 8, 2009
app pub date -
Jul 3, 2008
filing date -
Jul 6, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A fuel injector for an internal combustion engine comprising a nozzle body defining a nozzle bore and an outer valve needle that is slideably positioned within the nozzle bore. The outer valve needle is engageable fluidtightly with a valve seat provided on an internal surface of the nozzle bore, in order to control fuel delivery through at least one upper spray hole that is positioned so as to provide a flow path through the wall of the nozzle body. The upper spray hole has a hole entry positioned on an internal surface of the nozzle body and a hole exit positioned on an external surface of the nozzle body. The outer valve needle is provided with a bore, within which an inner valve needle is slideably positioned. The tip of the inner valve needle is engageable fluidtightly with a valve seat in order to control fuel delivery through at least one axial spray hole (19) that is aligned substantially parallel to the longitudinal axis of the injector nozzle.
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Cited Art Landscape
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