FUEL INJECTOR CONSTRUCTION [MZR-CD (RF Turbo)]
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• The injector is composed of: a command piston that controls the needle nozzle, a control chamber with an inflow/outflow orifice, and an electromagnetic valve that controls the inflow/outflow of fuel to the control chamber via an on/off function.
• The command piston is connected to the nozzle so that the up and down movement of the piston results in the opening and closing of the nozzle.
• The command chamber contains a single orifice plate to provide an inflow and outflow path.
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1
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Orifice plate
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2
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Command piston
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3
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Nozzle
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4
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Two-way valve
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5
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Solenoid
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6
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From common rail
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7
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To fuel tank
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