Abstract
<div class="section abstract"><div class="htmlview paragraph">As part of Nissan’s strategy of electrification and the shift to smart technologies, our powertrain department has two main pillars: zero emissions and ICE Evolution. As a core unit of ICE Evolution, we have developed a brand new 3.5L V6 Twin turbocharged gasoline engine for Nissan’s next generation full-size flagship SUV to deliver luxury and toughness at the highest level.</div><div class="htmlview paragraph">This brand-new engine will be applied to vehicles in all corners of the world and must have strong performance in every corner. More specifically, it has to meet the latest emissions and fuel efficiency regulations, have strong power performance beyond expectation, and provide reliable drivability on rough roads and deserts.</div><div class="htmlview paragraph">To achieve these requirements, the new engine is incorporating many cutting-edge technologies. Stoichiometric combustion range has been expanded by Nissan’s latest high-speed combustion technology, which is enhanced by a higher pressure 35MPa injection system, an increased cooling efficiency combustion chamber, and an advanced exhaust temperature management system. Mirror bore coating, textured valve lifters, and optimized piston ring shaping technology all contribute to reduce friction. Lastly, lubrication performance on rough roads has been improved with a scavenging oil pump.</div><div class="htmlview paragraph">The combination of these technologies results in superior power performance, class-leading fuel efficiency, compliance with LEV4/Tier4 emissions regulations, and amazing off-road capabilities that surpass competitors. They are essential technologies for balancing engine efficiency and environmental considerations, creating a powertrain worthy of a flagship luxury SUV.</div><div class="htmlview paragraph">This paper describes details of this new engine and highlights the applied technologies and development procedures which have contributed to the highly balanced performance of this new engine.</div></div>
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