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Featured researches published by Ryan A. Floyd.


Archive | 2014

DEF Systems and Aftertreatment Architecture Considerations

Ryan A. Floyd; Levin Michael; Zafar Shaikh

As emissions regulations become more stringent, new aftertreatment technologies are necessary. To assist in the reduction of NOx emissions, liquid-based SCR technologies have been adopted globally. The most common technique used to introduce ammonia (NH3) into the exhaust stream is via a dosing system metering diesel exhaust fluid (DEF). SCR system efficiency relies heavily on how uniformly the NH3 is distributed across the catalyst face.


SAE 2010 Commercial Vehicle Engineering Congress | 2010

Investigation of Urea Deposits in Urea SCR Systems for Medium and Heavy Duty Trucks

Guanyu Zheng; Adam Fila; Adam J. Kotrba; Ryan A. Floyd


Archive | 2014

Perforated mixing pipe with swirler

Joshua Hicks; Ryan A. Floyd; Manoj K. Sampath


Archive | 2010

Injector Mounting System

Sean Keidel; Stephen M. Thomas; Jeremy Popovich; Jeffrey Broderick; Samuel Hiss; Ryan A. Floyd; Collin Sullivan


Archive | 2010

Exhaust gas stream vortex breaker

Ryan A. Floyd; Joseph G. Ralph; Christopher J. Kleinfeld; James J. Reynolds; Larry Geer; Manoj K. Sampath; Michael L. Shovels; Robert Cloudt; Rik S.G. Baert; Johannes P.M. Smeulers; Erik van den Tillaart


Archive | 2014

In-Line Flow Diverter

Ryan A. Floyd; John Lowry; Larry Geer


Archive | 2011

Pre-injection exhaust flow modifier

Ryan A. Floyd; Stephen M. Thomas; Joseph G. Ralph; James J. Reynolds; Jeremy Popovich; Manoj K. Sampath; Michael Wenk; Alison A. Chambers


Archive | 2015

Water Injection Exhaust Treatment System

Anzhou Wu; Joshua Hicks; Padmanabha Reddy Ettireddy; Daniel R. Johnson; Ryan A. Floyd; Gaofeng Fan


Archive | 2011

Inverted Exhaust Gas Treatment Injector

Ryan A. Floyd; John Lowry


Archive | 2014

Reductant Sensor System

Jianyuan Yang; Guru Kaustubh Vilas Teggi; Ryan A. Floyd; Michael Golin

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