Accumulator fuel injection device

Details Accumulator fuel injection device Accumulator fuel injection device

2011-04-12

2011-04-12

Moulis, Thomas N (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C251S048000

Reexamination Certificate

active

07921827

ABSTRACT:
To provide an accumulator fuel injection device, so as to stabilize the operation of a pressure control valve for controlling a fuel pressure in an accumulator. The accumulator fuel injection device includes a pressure control valve6for controlling the fuel pressure in the accumulator by moving an armature13in an armature chamber22and by adjusting escaped volumes of the fuels from the accumulator2due to a valving element11formed integral with the armature13in a control chamber21introducing the fuels in the accumulator2. A means for attenuating the pressure transmitted from the accumulator2to the valve seat10is provided in the valve seat10disposed between the control chamber21and the accumulator2of the pressure control valve6.

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International Search Report for International Application No. PCT/JP2007/064453, Japanese Patent Office, mailed Oct. 23, 2007, 2 pgs.

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