| 摘要 |
PROBLEM TO BE SOLVED: To prevent pressure loss and deterioration of responsiveness, and reduce noise from an oil manifold by arranging vibration damping means for damping vibration transmitted from a fuel injection nozzle, on an accumulator to which the fuel injection nozzle is directly installed. SOLUTION: In a hydraulic operating type fuel injection device, each injector per cylinder is installed on a plurality of installing parts formed on a side part of a cylindrical accumulating container main body 61 of an oil rail (an accumulator) 8. The injector is vibrated by moving vertically a built-in type poppet valve and a pressure increasing piston every a solenoid is turned on/off according to rotating speed of an engine, and its vibration is transmitted to the oil rail 8. For damping vibration transmitted to the oil rail 8, a dynamic damper 75 is arranged on an end part of the oil rail 8. A weight is vibrated through a rubber mount in the damper 75 by vibration transmitted to the oil rail 8, and thereby, vibration is damped. |
