Jacobs Fulcrum Bridge Technology

The Fulcrum Bridge technology makes lashless valve trains compatible with engine braking, benefiting fuel economy and emissions.

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Jacobs Vehicle Systems has introduced its Fulcrum Bridge technology to the off-highway market.

  • Eliminates need to periodically adjust engine’s lash settings, reducing inconvenience and total cost of ownership
  • Make conventional engine braking compatible with lashless technology
  • Removes traditional need to set and adjust mechanical clearance in valve train between valve and camshaft, known as lash, by employing Hydraulic Lash Adjusters (HLA)
  • Hydraulic lash adjustment allows for more consistent valve motions throughout all engine operating conditions and wear over engine lifetime, enhancing engine performance and fuel economy
  • Applies reactive load to HLA during engine braking event to prevent over-extension which can cause valve-to-piston contact once engine braking is turned off
  • Lash setting is good for the life of the engine



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