INJECTOR, FUEL INJECTION SYSTEM, AND CONSTRUCTION MACHINE PROVIDED WITH SAME
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United States of America Patent
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Issued Date -
Aug 28, 2014
app pub date -
Jul 22, 2011
filing date -
Jul 22, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In the present invention, a cylinder chamber is provided in a main injector body having a nozzle that injects fuel. In the cylinder chamber, a command piston for driving a needle that opens and closes the nozzle is reciprocably received. A cleaning liquid supply pathway for supplying cleaning liquid and a cleaning liquid discharge pathway for discharging cleaning liquid are connected to the cylinder chamber. As a result, adhesive accretions in the cylinder chamber of the main injector body are discharged out of the cylinder chamber together with the cleaning liquid, and therefore it is possible to prevent a negative effect resulting from the adhesive accretions without using an additive or the like.
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