Fuel injection nozzle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 20, 1989
Grant Date -
N/A
app pub date -
Oct 26, 1987
filing date -
Oct 30, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a fuel injection nozzle for an internal combustion engine, a valve needle and a valve needle spring are provided, in which the valve needle can be opened against the force of the valve needle spring (6). In the valve needle spring chamber (8) a displacer piston (7) is arranged so as to overlap the valve needle spring (6), which piston clears a displacing volume after a pre-injection so that the pre-injection is separated from the main injection.
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