Cummins looks ahead with new component technology

  • 21-Apr-2015 05:16 EDT
CES EcoFit Single Module.png

The EcoFit Single Module--which will consist of a DPF, decompostion reactor, and an SCR system--from Cummins Emission Solutions will be  up to 60% smaller, 40% lighter, and offers 20% lower back pressure compared to current combined SCR and DPF systems, while achieving advanced emissions reductions levels.

Cummins took advantage of the crowd at Intermat to unveil a couple of next-generation component innovations that showcase its “full spectrum of its expertise in component technologies for the commercial diesel engine.” Cummins says these innovations are capable of improving the fuel efficiency of modern diesel engines by at least 10% while also improving emissions reductions performance.

Cummins Emission Solutions had on hand 12-year Cummins' veteran Jane Beaman, Off-Highway Commercial Leader, CES, to introduce the first of its aftertreatment platforms for future emissions regulations, the EcoFit Single Module. What Cummins describes as a “platform product” is a potential solution designed to meet Stage V requirements proposed to go into effect in 2019 in a small, light-weight, simple, and robust advanced aftertreatment system package.

The EcoFit Single Module, designed for heavy-duty and midrange engine applications, will be up to 60% smaller, 40% lighter, and offers 20% lower back pressure compared to current combined SCR and DPF systems, while achieving advanced emissions reductions levels. The system is expected to enable easier equipment integration for OEM customers, and its lower weight will minimize the impact on equipment weight, which will contribute toward improving fuel economy.

In one module, as the name implies, it will consist of a DPF, a decomposition reactor, and an SCR system. Beaman said it is expected that it will first see duty in an on-highway application around 2017, though the off-highway version targets at Stage V will be made more robust. More technical details are expected to be annouced at Bauma in 2016.

That said, advancements in catalyst technologies are enabling efficiency improvements throughout the entire system and CES has invested in DPF technologies with higher ash capacities, allowing for more time between cleaning intervals for its customers. The SCR catalysts, coupled with the EcoFit UL2 Liquid-Only Urea Dosing System, offer enhanced NOx reduction, and, linked with improved thermal management capability, deliver emissions reduction and minimized fuel and AdBlue usage.

Cummins Turbo Technologies—part of the Cummins Component Business along with CES, Cummins Filtration, and Cummins Fuel Systems—also unveiled its Next Generation Holset VGT, designed to improve turbo efficiencies and deliver greater fuel economy. This latest VGT technology is said to offer enhanced integration with the engine system due to a new actuator, improved durability, and optimized performance through a patented moving shroud variable geometry mechanism.

The Next Generation series 300 variable geometry turbocharger is capable of improving turbo efficiencies by up to 12% at low engine speed as well as delivering reduced CO2 emissions. In addition, this latest solution is 10% lighter than its existing counterpart, creating greater fuel economy.

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