FUEL INJECTION DEVICE FOR DIESEL ENGINE

PURPOSE:To aim at the prevention of a drop in gas pressure and the miniaturization of a injection valve, by forming a cavity, to be interconnected to a gas fuel passage of the fuel injection valve, in a setting part of this valve in a peripheral wall of a combustion chamber, while setting the extent...

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Bibliographische Detailangaben
Hauptverfasser:	MIZUHARA SHUHEI, BEPPU OSAMU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To aim at the prevention of a drop in gas pressure and the miniaturization of a injection valve, by forming a cavity, to be interconnected to a gas fuel passage of the fuel injection valve, in a setting part of this valve in a peripheral wall of a combustion chamber, while setting the extent of internal capacity of the cavity to the specified value. CONSTITUTION:A fuel injection valve 4 is attached to a cylinder cover 2 forming a combustion chamber 1. In this case, a ringlike cavity 7 is formed in the periphery of this fuel injection valve 4 inside the cylinder cover 2. And, the cavity 7 is interconnected to a gas fuel passage 9 inside the fuel injection valve 4 via a through hole 8 whereby it is made to function as a gas fuel storage chamber. And, internal capacity in the cavity 7 is set to 0-20 times over a gas fuel quantity per time. According to this method, gas fuel is storable inside the cavity 7 so that any drop in gas pressure is preventable without enlarging a passage diameter of the gas fuel passage 9.