Variable Valve Actuation
Animations

The VVA on the valves of a cylinder, shown stereoscopically to rotate .

The VVA on a single valve at three different lifts (control shaft partly shown).

The VVA system at four different angles of the control shaft.

The VVA as mounted on a Renault19 Engine, in two different lifts.

Stereoscopically the VVA system on the valves of a cylinder, for three different lifts.

'Roller Cam Follower' Control Lever, for a pair of inlet or exhaust valves, stereo.

The VVA with Common Control Lever per pair of valves, stereoscopically .

The Variable Valve Actuation system disassembled, step by step .

Just select an image and 'mouse click' on it.
Each animation is around half a Mbyte.

In general:

• Move the mouse along window to select the desired rhythm,
  
• Single click mouse to suspend animation, then move mouse to get a specific slide,
  
• Single click mouse once more to return to normal mode,
  
• Press SpaceBar or * or / repeatedly to proceed step by step,
  
• Press + (or - for reverse direction) to return to normal mode,
  
• Double click mouse or press ESC to quit animation.