New VVA Products

We are continually inventing new VVA products as well as developing improvements to our existing products.   Brief previews of these products are shown below on this page.

VLD For Compact Engines

PICTURE: - A 3D image of a compact VLD system
  • New designs for small compact engines.
  • New methods of adjustment.

Rocker Variable Lift

PICTURE:- A 3D image of a Rocker VLD System
  • Variable lift and duration for rocker shaft follower systems.
  • Heavy and light duty applications.

Pushrod Variable Lift

PICTURE:- A Side view of a pushrod VLD system

Several options for variable lift with cam in block pushrod systems.

  • Heavy and light duty applications.
  • Single or twin cam in block.

VLD For SOHC Engines

PICTURE: - A 3D image of a SOHC VLD system
  • New designs for SOHC engines.
  • Potential for significant cost-benefit improvements.

Heavy Duty Engines

PICTURE:- A heavy duty engine system with an SCP for valve deactivation control.
  • Many specific applications.
  • Variable lift with valve deactivation.

Phasing Switched Secondary Lift

PICTURE:- VVA for heavy duty engines picture

  • Combined use of an SCP with a switching rocker.
  • Enables a moveable deactivating secondary valve lift for either:
  • Internal EGR for improved NOx/PM emissions.
  • A scavenging lift for improved low speed output and transients.
  • Variable exhaust braking functionality.
  • A combination of all three of the above.
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