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New Delphi 500+ bar GDi system cuts particulates by up to 50% without engine changes

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Building off its 350 bar GDi (Gasoline Direct Injection) system, Delphi Technologies has developed a 500+ bar GDi system that can reduce particulate emissions by up to 50% without expensive engine re-designs for the majority of applications. The solution is a new, high-efficiency pump designed by Delphi Technologies.

Engine 223
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New Delphi Technologies 500+ bar GDi system cuts gasoline particulate emissions by up to 50%, reduces fuel consumption

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In a paper presented at the 2019 Vienna Motor Symposium this week, Delphi Technologies will unveil a new 500+ bar GDi system that can reduce particulate emissions by up to 50% compared to state-of-the-art 350 bar system without expensive engine design modifications. Delphi 500+ bar GDi pump. Delphi 500+ bar GDi injector.

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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

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Further, there is increasing interest among stakeholders in exploring the benefits of higher octane fuels that would lead to higher compression ratios which would lead to more efficient engines and reduced fuel consumption. One significant trend is engine downsizing coupled with turbocharging. Source: U.S. Click to enlarge.

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PSA to commercialize SwRI-developed Dedicated-EGR technology in high-efficiency gasoline engines by 2018

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During its recent Innovation Day presentations ( earlier post ), PSA Peugeot Citroën announced that it will commercialize high-efficiency gasoline engines featuring dedicated exhaust gas recirculation (D-EGR), derived from a collaborative program with SwRI in the US. PSA concept D-EGR engine. Click to enlarge.

Gasoline 268
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BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

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The VEMB system uses a concentric camshaft, blow-down manifold and scavenge manifold to separate the exhaust event into two phases: high-energy blow-down to the turbo without pumping losses, and high-hydrocarbon scavenge to the EGR system. Source: Borgwarner. Click to enlarge.

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Concept: Downsized and Supercharged Hybrid Pneumatic Engine for 30%+ Reduction in Fuel Consumption

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Schematic of downsized and supercharged four-stroke hybrid pneumatic spark injection engine. The reduction in fuel consumption is obtained mainly through enabling the effective use of a heavily downsized engine, rather than from regenerative efficiency. Source: ETH Zürich. Click to enlarge. Earlier post.). Earlier post.).

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HyBoost demonstrator debuts at LCV2011; 50% by swept volume downsizing with low-cost electrification

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The HyBoost project has been led by Ricardo in partnership with Controlled Power Technologies, the European Advanced Lead Acid Battery Consortium, Ford, Imperial College London, and Valeo, with co-funding from the UK government-backed Technology Strategy Board. three-cylinder EcoBoost engine. Earlier post.).