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A fuel injection valve is applied for low pressure fuel injection system of the internal combustion engine, contains the electromagnetic fuel injection valve and the automatically open-close fuel injection valve, comprises a valve needle and a movable valve seat, installs directly on the cylinder head. When the pressure of the cylinder increases, valve seat can press valve needle in opposite direction. Therefore high-pressure gas could not flow reversely into fuel system.
TW087103582A1998-03-111998-03-11Fuel injection valve with a movable valve seat
TW369587B
(en)