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Delphi-Tula Dynamic Skip Fire Cylinder Deactivation System

Delphi-Tula Dynamic Skip Fire Cylinder Deactivation System
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Delphi-Tula Dynamic Skip Fire Cylinder Deactivation System - 1

POWERTRAIN SYSTEMS Delphi-Tula Dynamic Skip Fire Cylinder Deactivation System The Delphi-Tula Dynamic Skip Fire (DSF) Cylinder Deactivation System is an industry-leading, fully variable engine displacement technology. It combines Delphi cylinder deactivation hardware with an engine control strategy that fires each cylinder only as necessary during each engine revolution, depending on engine torque demand. Fundamental control algorithms are provided by Tula Technology, Inc. The Delphi-Tula DSF System significantly improves engine efficiency and reduces fuel consumption by firing fewer cylinders at lower torque loads to reduce pumping and heat losses. It also reduces noise, vibration and harshness by dynamically choosing firing sequences that avoid vehicle and driver resonance frequencies. Benefits   Independent control of each cylinder enables broader and Components of the Delphi-Tula Dynamic Skip smoother torque management capability, and provides full  Fire Cylinder Deactivation System control of cylinder firing while maintaining optimal emissions 10% to 20% fuel economy improvement compared with conventional spark ignition engines depending on the engine and driving conditions (based on advanced development testing), and the potential to reduce CO 2 emissions by up to 20% Torque pulse optimization algorithms can prevent adverse vehicle resonances and objectionable pulse frequencies  Broad applicability across a range of engine sizes and types  Compatible with 3-way catalysts for gasoline engines  Fast response allows full cylinder deactivation in a single cam revolution at speeds up to 3500 rpm  Availability The Dynamic Skip Fire Cylinder Deactivation System for 8-cylinder engine applications is available for concept demonstration to qualified vehicle manufacturers. A 4-cylinder turbo demonstration vehicle will be available for evaluation in 2016. Please contact Delphi for more information. Typical Applications The Delphi-Tula Dynamic Skip Fire Cylinder Deactivation System applies broadly to engine programs in which improved fuel economy and reduced CO2

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Delphi-Tula Dynamic Skip Fire Cylinder Deactivation System - 2

POWERTRAIN SYSTEMS Delphi-Tula Dynamic Skip Fire Cylinder Deactivation System The Delphi-Tula Dynamic Skip Fire Cylinder Deactivation System includes specially designed Delphi Valve Train Components and a Delphi Engine Control Module that features Dynamic Skip Fire Control Algorithms developed by Tula Technology, Inc. Performance Advantages The Delphi-Tula Dynamic Skip Fire Cylinder Deactivation System is a pioneering new technology for improved fuel economy. The foundation of the system is unique new software developed by Tula Technology, Inc. coupled with Delphi’s engine management...

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Delphi-Tula Dynamic Skip Fire Cylinder Deactivation System - 3

The Delphi Advantage Delphi offers the benefits of more than 75 years’ experience in valve train systems and its high-quality conventional valve train products have earned industry-wide respect. Our deep understanding of the combustion process, vast research and development capabilities have enabled continuing innovation. Delphi offers one of the industry’s most comprehensive lines of valve train products and we support our customers at many levels, from components to valve train system design and optimization. As a global leader in engine management systems technology, Delphi can help...

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