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Opposed-Piston Engine Technical Papers


Achieving the Most Stringent CO2 Commercial Truck Standards with Opposed Piston Engine
Presented at the Heavy-Duty, On-und Off-Highway Engines 2014 9th International MTZ Conference on November 18, 2014
Author: Laurence Fromm, VP, Business and Strategy Development

Meeting Stringent 2025 Emissions and Fuel Efficiency Regulations with an Opposed-Piston, Light-Duty Diesel Engine
Presented at SAE World Congress on April 9, 2014
Click here for a short summary of the paper.
Authors: Fabien Redon, VP, Technology Development; John Koszewnik, Chief Technical Officer; Gerhard Regner, Ph.D., VP, Performance and Emissions; Christopher Kalebjian, Chief Engineer and Program Manager; John Kessler, Senior Design Engineer; John Headley, Senior Development Engineer; and Nicholas Rakovec, Development Engineer

Optimizing Combustion in an Opposed-Piston, Two-Stroke (OP2S) Diesel Engine
Presented at the International Engine Congress 2014 on February 19, 2014
Authors: Gerhard Regner, Ph.D., VP, Performance and Emissions; John Koszewnik, Chief Technical Officer; and Rishikesh Venugopal, Ph.D., Senior Staff Engineer

Practical Applications of Opposed-Piston Engine Technology to Reduce Fuel Consumption and Emissions
Presented at the SAEINDIA International Mobility Conference & Commercial Vehicle Engineering Congress (SIMCOMVEC) on December 4, 2013
Authors: Suramya Naik, Chief Engineer; David Johnson, President & CEO; John Koszewnik, Chief Technical Officer; Laurence Fromm, VP, Business and Strategy Development; Fabien Redon, VP, Technology Development; Gerhard Regner, Ph.D., VP, Performance and Emissions; and Kevin Fuqua, Principal Design Engineer

Opposed-Piston, Two-Stroke Diesel Engine Advantages in Meeting Higher Fuel Efficiency and Emissions Standards
Presented at the 3rd Aachen Colloquium on November 6, 2013
Authors: David Johnson, President & CEO; John Koszewnik, Chief Technical Officer; Laurence Fromm, VP, Business and Strategy Development; Fabien Redon, VP, Technology Development; and Gerhard Regner, Ph.D., VP, Performance and Emissions

Effects of Injection Pattern Design on Piston Thermal Management in an Opposed-Piston Two-Stroke Engine
Presented at the SAE Commercial Vehicle Engineering Congress on October 2, 2013
Authors: Rishikesh Venugopal, Ph.D., Senior Staff Engineer; Neerav Abani, Senior Staff Engineer and Ryan MacKenzie, Senior Development Engineer

Meeting Stricter Fuel Efficiency and Emissions Standards with the Opposed-Piston Engine
Presented at Emissions 2013 on June 19, 2013
Authors: Laurence Fromm, VP, Business and Strategy Development; David Johnson, President & CEO; John Koszewnik, Chief Technical Officer; Fabien Redon, VP, Technology Development; and Gerhard Regner, Ph.D., VP, Performance and Emissions

Modernizing the Opposed-Piston, Two-Stroke Engine for Clean, Efficient Transportation
Presented at Symposium on International Automotive Technology (SIAT) on January 10, 2013
Authors:Gerhard Regner, Ph.D., VP, Performance and Emissions, David Johnson, President & CEO, John Koszewnik, Chief Technical Officer, Laurence Fromm, VP, Business and Strategy Development, Eric Dion and Fabien Redon, VP, Technology Development

Modernizing the Opposed-Piston, Two-Stroke Diesel Engine for More Efficient Commercial Vehicle Applications
Presented at 7th MTZ Conference Heavy-Duty, On- and Off-Highway Engines on November 6, 2012
Authors: Gerhard Regner, Ph.D., VP, Performance and Emissions; John Koszewnik, Chief Technical Officer; Fabien Redon, VP, Technology Development; and Eric Dion

Modernizing the Opposed-Piston Engine for More Efficient Military Ground Vehicle Applications
Presented at Ground Vehicle Systems Engineering & Technology Symposium on August 15, 2012
Authors: Laurence Fromm, VP, Business and Strategy Development; John Koszewnik, Chief Technical Officer; Gerhard Regner, Ph.D., VP, Performance and Emissions and Randy Herold, Ph.D.

Low Emissions and Rapid Catalyst Light-Off Capability for Upcoming Emissions Regulations with an Opposed-Piston, Two-Stroke Engine
Presented at Emissions 2012 on June 12, 2012
Authors: Christopher Kalebjian, Chief Engineer and Program Manager; Fabien Redon, VP, Technology Development; and Michael Wahl, Ph.D.

Cylinder Cooling for Improved Durability on an Opposed-Piston Engine
Presented at SAE World Congress on April 26, 2012
Authors: Patrick Lee, P.E., Senior Development Engineer and Michael Wahl, Ph.D.

Oil Consumption Measurements for a Modern Opposed-Piston Two-Stroke Diesel Engine
Presented at ASME Internal Combustion Engine Fall Technical Conference on October 3, 2011
Authors: Brian Callahan, Ph.D., Sr. Development Engineer; Michael Wahl, Ph.D.; Kent Froelund, Ph.D., CEO and President, Da Vinci Emissions Services Ltd.

The Renaissance of the Opposed-Piston Two-Stroke Diesel Engine for Commercial Applications
Presented at Der Arbeitsprozess des Verbrennungsmotors (The Working Process of the Internal Combustion Engine) on September 23, 2011
Authors: Gerhard Regner, Ph.D., VP, Performance and Emissions; Randy Herold, Ph.D.; Michael Wahl, Ph.D.; James Lemke, Ph.D., Founder and Chief Scientist; Fabien Redon, VP, Technology Development; and Eric Dion

Thermodynamic Benefits of Opposed-Piston Two-Stroke Engines
Presented at SAE Commercial Vehicle Engineering Congress on September 14, 2011
Authors: Randy Herold, Ph.D.; Michael Wahl, Ph.D.; Gerhard Regner, Ph.D., VP, Performance and Emissions; and James Lemke, Ph.D., Founder and Chief Scientist of Achates Power; David Foster, Ph.D., Professor, University of Wisconsin

The Achates Power Opposed-Piston Two-Stroke Engine: Performance and Emissions Results in a Medium-Duty Application
Presented at SAE Commercial Vehicle Engineering Congress on September 14, 2011
Authors: Gerhard Regner, Ph.D., VP, Performance and Emissions; Randy Herold, Ph.D.; Michael Wahl, Ph.D.; David Johnson, President & CEO; Fabien Redon, VP, Technology Development; Eric Dion; Shauna McIntyre; and Brian Callahan, Ph.D., Sr. Development Engineer

Opposed-Piston Two-Stroke Diesel Engine – A Renaissance
Keynote presentation at Symposium on International Automotive Technology (SIAT) in January 2011
Authors: David Johnson, President & CEO; Michael Wahl, Ph.D.; Fabien Redon, VP, Technology Development; Eric Dion; Shauna McIntyre; Gerhard Regner, Ph.D., VP, Performance and Emissions; and Randy Herold, Ph.D.

Opposed-Piston Engine Renaissance – Power for the Future
Authors: Jean-Pierre Pirault, Technical Director, Powertrain Technology, Ltd., and Martin Flint, retired Chartered Mechanical Engineer and Fellow of the Institution of Mechanical Engineers; both are also authors of the book, Opposed Piston Engines Evolution, Use, and Future Applications

Symposium on Automotive Technology MSC.Software Magazine – Simulating Reality
Volume I | Winter 2011
Achates Power: Structural Dynamic Analysis of an Opposed-Piston Engine with Flexible Support
Read the Case Study