Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate
2009-06-12
2011-10-11
Moulis, Thomas (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel injection system
C239S096000
Reexamination Certificate
active
08033269
ABSTRACT:
To provide a fuel injection device capable of reducing the amount of fuel discharging to the outside. The fuel injection device is provided with the nozzle body, the injection control valve, and the close assistance piston. In the nozzle body, the first fuel chamber and the nozzle valve close chamber are formed. The injection control valve advances to a first position, thereby allowing the first fuel passage to be communicated with the first fuel chamber and blocking access from the first fuel chamber to the third fuel passage, and the injection control valve retreats to a second position, thereby blocking access from the first fuel passage to the first fuel chamber and allowing the first fuel chamber to be communicated with the third fuel passage. The close assistance piston prevents fuel in the first fuel chamber from discharging to the outside of the fuel injection device.
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Hashimoto Tomoyuki
Ishimura Junichiro
Arent & Fox LLP
Honda Motor Co. Ltd.
Moulis Thomas
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