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The e-Valve system replaces the traditional camshaft system
> Electromagnetic valve actuation

The e-valve system operates each valve individually and independently of the        The total independence of each
crankshaft position and of the other valves.                                        valve allows the deactivation
                                                                                    of some cylinders at low engine
  When the upper magnet               When the upper magnet’s magnetic field        speeds. Therefore, the engine
  is activated, the armature          is disrupted, the armature plate is pulled    runs with half of the cylinders,
  plate is held upright.              downward by springs. Actuation of the lower   with two cylinders instead of four
  The valve is in the closed          magnet maintains the valve in the opened      cylinders in a 4 cylinder engine.
  position.                           position.


 Actuator

  Magnet


 Armature
    plate
  attached                                   Springs
   to the
 valve stem
                                              Decompression
           Cups
                                             Valve
                                               Compression




                                  The flexible e-Valve system allows
                                  infinitely variable valve timing and valve
                                  opening duration. This control flexibility
                                  increases torque at low engine speeds
                                  and optimizes engine output when
                                  instant power is required.




CharaCTerisTiCs
n Fuel consumption reduced by
  15-20 %.
n CO2 emissions reduced by 15-
  20 %.
n Low-end torque increased by
  15-20 %.
n Optimization of air-fuel mixture.
                                                                                                                         © VALEO




n Each engine valve operates
  independently from the others
  and independently from the
  piston position.

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  • 1. The e-Valve system replaces the traditional camshaft system > Electromagnetic valve actuation The e-valve system operates each valve individually and independently of the The total independence of each crankshaft position and of the other valves. valve allows the deactivation of some cylinders at low engine When the upper magnet When the upper magnet’s magnetic field speeds. Therefore, the engine is activated, the armature is disrupted, the armature plate is pulled runs with half of the cylinders, plate is held upright. downward by springs. Actuation of the lower with two cylinders instead of four The valve is in the closed magnet maintains the valve in the opened cylinders in a 4 cylinder engine. position. position. Actuator Magnet Armature plate attached Springs to the valve stem Decompression Cups Valve Compression The flexible e-Valve system allows infinitely variable valve timing and valve opening duration. This control flexibility increases torque at low engine speeds and optimizes engine output when instant power is required. CharaCTerisTiCs n Fuel consumption reduced by 15-20 %. n CO2 emissions reduced by 15- 20 %. n Low-end torque increased by 15-20 %. n Optimization of air-fuel mixture. © VALEO n Each engine valve operates independently from the others and independently from the piston position.