Low Emissions and Rapid Light-off Capability of a High Efficiency Opposed-Piston Two-Stroke - (PPT)

摘要

0P2S architectural advantages apply to LD, MD, HD, marine, stationary power, etc. - most every application. Fuel consumption improvements: 22% lower fuel consumption on medium duty; 13% lower fuel consumption on light duty. Demonstrated low emissions and fast catalyst light-off capability: Enabled by: Fundamental opposed-piston, two-stroke advantages; Proprietary combustion system eliminates spray impingement while enabling good mixing; Dual injectors for better pilot injection control and injection staggering; Inherent internal EGR and intake pressure control at low speed; Flexible charge composition and condition control; 400°C turbine outlet temperature at idle. Several conditions where this strategy is beneficial. The OP2S engine has the flexibility to deliver the results needed for future market and legislative requirements.