Eaton Valvetrain for Off-Highway Diesel Engines

Eaton's valvetrain solutions are designed to help reduce emissions as well as provide installation flexibility for OEMs.

Eaton Cda March 2020
Logo Eaton 10933210

Power management company Eaton announces it has expanded its portfolio of valvetrain solutions for diesel off-highway vehicles to help OEMs reduce emissions and improve fuel economy.

  • Allows for cost-effective, variable valve actuation (VVA) with hydraulic lash adjustment (HLA) function
  • Enables precise valve lift control through HLA, coupled with engine braking capability, which in turn helps reduce emissions and improve fuel economy
  • Cylinder-deactivation (CDA) technology increases exhaust temperature at low load to allow NOx aftertreatment systems to quickly reach peak efficiency range of 250–400 C
  • CDA capable of simultaneously reducing CO2 and NOx emissions
  • Additional VVA technologies include late intake valve closing (LIVC) and early exhaust valve opening (EEVO), which modify valve operation to maximize aftertreatment efficiency and minimize fuel consumption
  • LIVC also enables high compression ratios for diesel engines and fast SCR heating at engine start-up
  • Twin Vortices Series (TVS) EGR pump enables replacement of a variable geometry turbo (VGT) plus EGR valve architecture with a more efficient fixed geometry turbo (FGT), improving engine efficiency and reducing CO2
  • Flexible and adaptable to any valvetrain architecture, allowing OEM customers to implement multiple functions such as CDA and engine braking in tight packaging
  • HLA technology optimizes valvetrain performance by providing precise valve timing over the life of the vehicle, as well as noise reduction and service elimination for manual valvetrain lash settings
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