Two technicians are explaining the Siemens injector operation. Technician A says that a piezoceramic actuator uses multiple stacked piezo crystal discs that expand longitudinally when electrically energized. Technician B says that fuel pressure in a chamber below the control piston regulates the movement of the control piston. Who is right?

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The Answer of Two technicians are explaining the Siemens injector operation. Technician A says that a piezoceramic actuator uses multiple stacked piezo crystal discs that expand longitudinally when electrically energized. Technician B says that fuel pressure in a chamber below the control piston regulates the movement of the control piston. Who is right?

Two Technicians Are Explaining the Siemens Injector Operation