Fuel injector
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United States of America Patent
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Issued Date -
Jun 18, 2009
app pub date -
Nov 11, 2005
filing date -
Nov 29, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A fuel injection method according to the invention that utilizes an accumulator principle, particularly a common rail principle, is characterized in that fuel arriving from an accumulator, particularly a common rail, is conveyed to a primary side of the pressure booster at a first pressure such that a secondary side of the pressure booster is subjected to a pressure increase, and in that an opening and closing of an injection nozzle are realized with the pressure in a pressure chamber for the injection nozzle, by displacing a closing element that acts upon the injection nozzle, particularly an injector needle, by means of a hydraulically controlled pressure change.
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