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Dive into the research topics where David B. Roth is active.

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Featured researches published by David B. Roth.


MTZ worldwide | 2010

Application of hybrid EGR systems to turbocharged GDI engines

David B. Roth; Rolf Sauerstein; Michael Becker; Rob Meilinger

In a hybrid exhaust gas recirculation system, high-pressure EGR is combined with low-pressure EGR. As BorgWarner demonstrates, proven technology from diesel engines can also be used for gasoline engines in order to reduce fuel consumption and emissions over the entire engine map.


MTZ - Motortechnische Zeitschrift | 2010

Applikation einer Hybrid-Abgasrückfrührung bei Aufgeladenen Di-Ottomotoren

David B. Roth; Rolf Sauerstein; Michael Becker; Rob Meilinger

Bei einem hybriden Abgasruckfuhrsystem ist die Hochdruck- mit einer Niederdruck-Abgasruckfuhrung kombiniert. Wie BorgWarner zeigt, kann die vom Dieselmotor bekannte Technik auch beim Ottomotor eingesetzt werden, um Verbrauch und Emissionen im gesamten Motorkennfeld zu senken.


Archive | 2009

CONTROLLING EXHAUST GAS FLOW DIVIDED BETWEEN TURBOCHARGING AND EXHAUST GAS RECIRCULATING

David B. Roth


Archive | 2010

Controlling exhaust gas recirculation in a turbocharged engine system

John Shutty; Volker Joergl; Volker Mueller; David B. Roth


SAE 2010 World Congress & Exhibition | 2010

Valve-Event Modulated Boost System

David B. Roth; Philip Keller; James Sisson


Archive | 2005

System and method of providing hydraulic pressure for mechanical work from an engine lubricating system

David B. Roth


SAE International journal of engines | 2012

Valve-Event Modulated Boost System: Fuel Consumption and Performance with Scavenge-Sourced EGR

David B. Roth; Michael Becker


SAE 2010 World Congress & Exhibition | 2010

Requirements of External EGR Systems for Dual Cam Phaser Turbo GDI Engines

David B. Roth; Philip Keller; Michael Becker


Archive | 2010

Knock-responsive adjustment of an external EGR mixture

David B. Roth


Archive | 2007

Integrated egr valve and throttle valve

David B. Roth; Robert S. Czarnowski

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