SAE 2008 Alternate Refrigerant Systems ... - SAE International

SAE 2008 Alternate 

Refrigerant Systems 

Symposium 

June 10-12, 2008 

Resort Suites, Scottsdale, AZ 

EVENT GUIDE 

P80815

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Alternate Refrigerant Systems Symposium 

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071753

What’s inside 

Symposium Overview 2 

Welcome 3 

General Information 4 

Technical Sessions 6 

Speaker Biographies 10 

Sponsors 24 

SAE 2008 Alternate Refrigerant 

Systems Symposium 

1

T E C OH GIE N O S L O 

Symposium Overview 

As the need to control man-made greenhouse gasses (GHG) increases, the mobile air conditioning industry is taking 

an active role in developing solutions. The 2008 SAE Alternate Refrigerant Systems Symposium will gather 

industry leaders from around the world to address this important topic. SAE has been actively involved in this 

important issue, and has supported related projects on an international level, including the Alternate Refrigerant 

Cooperative Research Program, the Improved Mobile Air Conditioning Cooperative Research Program, and the 

CRP 150 Cooperative Research for Refrigerants with GWP

Dear Symposium Participant, 

As the symposium organizer, I would like to welcome you to the 9th Alternate 

Refrigerant Systems Symposium. It’s been over a decade since the first 

meeting was held to discuss a replacement refrigerant. 

As we said last year there is not much time remaining for the world auto 

industry to choose a new mobile A/C refrigerant to meet the 2011 European 

Community (EC) F gas regulations. Currently there are still alternate refrigerant 

choices, and raise the question if we will have a global or regional 

replacement. The 2008 SAE Alternate Refrigerant Systems Symposium will 

again gather industry leaders from around the world to address this important 

topic. 

The search for a global replacement refrigerant for HFC- 134a is complex and 

mistakes could be costly. One replacement refrigerant may not answer the 

world needs and multiple refrigerant systems may soon exist in the world 

marketplace. It should be remembered that the early-1990’s changeover 

from R-12 to R-134a cost the industry an estimated $8.5 billion and this 

change could cost significantly more. After 15 years, considering a 3% inflation 

rate, and not additional equipment technology costs, the global industry 

expenditures are estimated to be in the range of $40 billion for a single 

replacement refrigerant. 

Ward Atkinson 

President 

Sun Test Engineering 

SAE has been actively involved in this important issue, and has supported 

related replacement refrigerant projects on an international level, including 

the latest HFO1234yf Alternate Refrigerant Cooperative Research Programs, 

I hope that you are more informed on the issues at hand once the symposium 

concludes. 

Sincerely, 

Ward Atkinson 

SAE 2008 Alternate Refrigerant Systems Symposium 3

general information 

Hours of Operation 

Emergency Hotline 

1-800-581-9295 

SAE International 

World Headquarters 

400 Commonwealth Drive 

Warrendale, PA 15096-0001 USA 

Phone: 1-724-776-4841 

Fax: 1-724-776-0790 

Customer Service 

1-887-606-7323 (toll free U.S. 

and Canada) 

1-724-776-4970 

www.sae.org 

customerservice@sae.org 

Registration 

The Navajo Room 

Monday, June 9 

1:00 p.m. – 5:00 p.m. 

Tuesday – Wednesday, 

June 10-11 

7:00 a.m. – 5:00 p.m. 

Thursday, June 12 

7:00 a.m. – 12:00 p.m. 

General Information 

Business Center/High Speed 

Wireless Internet 

Resort Suites offers High Speed 

Wireless Internet throughout the 

entire property. The Business 

Center offers high-speed Internet 

connections, as well as access to 

fax machines and copiers. 

Special Events 

Ride and Drive Program 

All participants that register for 

the Ride and Drive Event will be 

required to sign a liability waiver. In 

addition, proof of a valid driver’s 

license and medical insurance must 

be shown. 

Formal Vehicle Rides 

The following are requirements for 

those planning on participating in 

the formal ride and drive event: 

• Pre-registration is required 

for the formal ride and drive. 

Participation is based on vehicle 

availability. Cars will be filled on a 

first-come, first-serve basis. 

• Participation is required each day 

when you are assigned to a 

vehicle. This ensures accuracy 

for the evaluation of the vehicles. 

PARTICIPANTS SHOULD NOT 

REGISTER IF THEY WILL NOT 

BE AVAILABLE ALL THREE DAYS. 

• Formal ride participants MUST 

wear slacks and a short sleeved 

shirt. No shorts will be allowed. 

• All participants must sign a 

liability waiver. 

• Drivers must show a valid drivers 

license. Drivers must also provide 

proof of personal auto insurance 

coverage. 

Welcome Reception 

The Pavilion 

Tuesday, June 10 

6:00 pm – 7:00 pm 

sponsored by 

Evening Reception 

The Pavilion 

Wednesday, June 11 

6:00 pm – 7:00 pm 

4 

SAE 2008 Alternate Refrigerant Systems Symposium


TECHNICAL Sessions 

No audio or video recording of presentations is permitted, except by SAE. Please turn off 

cell phones and pagers before entering technical session rooms. 

Monday, 

June 9, 2008 

8:00 a.m. – 12 noon 

SAE CRP1234-1 (Members only) 

The McDowell Room 

12 noon 

Lunch (On your own) 

1:30 - 4:30 p.m. 

SAE CRP1234-2 (Members only) 

The McDowell Room 

1:00 p.m. - 5:00 p.m. 

ARSS Registration [Riders of vehicles must pre-register] 

Tuesday, 


sponsored by 

7:00 a.m. 

Registration – The Navajo Room 

Breakfast - The McDowell Room 

8:00 a.m. 

Opening Remarks 

Ward Atkinson 

8:10 a.m. 

R1234yf System Enhancements 

John Meyer, Visteon Climate Control 

8:40 a.m. 

SAE CRP 1234-2 Overview of HFO-1234yf Project 

William Hill, GM Technical Center 

9:10 a.m. 

The Four Fiat Pandas Experiment - To evaluate different 

MAC systems 

Carlo-Andrea Malvicino, CRF Veicoli 

9:40 a.m. 

Refreshment Break 

10:00 a.m. 

Assessment of MACs Direct Refrigerant Emissions Depending on 

Driving Mileage and Ambient Conditions 

Roberto Monforte, Fiat Group Automobiles S.p.A. 

10:30 a.m. 

GM HFO-1234yf Refrigerant Development 

Kenneth Porrett and Eric Scarlett, GM 

6 


11:00 a.m. 

HFO-1234yf Low GWP Refrigerant - A Global Sustainable 

Solution for Mobile Air Conditioning 

Mark Spatz, Honeywell Intl. Inc.; 

Barbara Haviland-Minor, DuPont Fluorproducts 

11:30 a.m.–12:00 p.m. 

Ride Commentary 

12:00 – 1:15 p.m. 

Lunch - The McDowell Room 

12:45 – 3:45 p.m. 


Formal Vehicle rides are for members of specifically assigned ride teams. 

sponsored by 

F L U I D 

T E C H ON GI O E L S O 

A U T OM O T I EV 

D Y N A M I C F L U I D T E C H N O L O G I E S 

1:30 – 2:00 p.m. 

Personal Climate Controlled Seating: Combining Enhanced 

Comfort with Improved Fuel Economy 

Edward I. Wolfe IV, Delphi Automotive Systems; Karl Kennedy, Lear Corporation 

Demonstration vehicle will be on site during the Symposium for comfort rides upon 

request. 

3:00 - 5:00 p.m. 

Committee Working Group Meetings - LCCP 

6:00 – 7:00 p.m. 

Welcome Reception – The Pavilion Room 

sponsored by 

7:00 a.m. 



8:00 a.m. 

COP Determination of MAC 

Harald Riegel, Behr GmbH & Co. KG 

Wednesday, 


8:30 a.m. 

Update on EPA SNAP Regulations 

Karen Thundiyil, U.S. Environmental Protection Agency 

8:45 a.m. 

Flammability Assessment HFO-1234yf 

Christophe Proust, INERIS 

9:00 a.m. 

Comparative Life Cycle Assessment on Alternative 

Refrigerant Systems 

Scott Bang, Jinyoung Yoo and Naksup Sung, Hyundai & Kia Corp. 


TECHNICAL Sessions 

Wednesday, 


9:30 a.m. 

Greenhouse Gas Emissions and Abatement Opportunities in 

Do-It-Yourself Recharging of Leaky Motor Vehicle Air Conditioning 

Systems in California 

Alberto Ayala, CARB 

10:00 a.m. 


10:20 a.m. 

Leakage Analysis of R744 Compressor Shaft Seal 

Markus Schwerdtfeger, KACO GmbH + Co KG Dich. 

10:50 a.m. 

“Piflex” Flexible All Aluminum Hose for R744 MAC Systems 

Henry Petersen, PIFLEX P/S ; Carsten Post, Hydro Aluminium 

11:20 a.m. 

A/C System Control Strategies for Major Refrigerant Options 

Christophe Petitjean, Valeo 

12:00 – 1:15 p.m. 

Lunch - The McDowell Room 

12:45 – 3:45 p.m. 

Formal Rides 

Formal Vehicle Rides are for member of specifically assigned ride teams. 

3:00 – 5:00 p.m. 

Committee meeting of standards working groups, including ISO 

document development 

6:00 – 7:00 p.m. 

Evening Reception – The Pavilion Room 

Thursday, 


8 

7:00 a.m. 



8:00 a.m. 

Test Results of Refrigerant R-152a in an Automotive Airconditioning 

System 

Man-Hoe Kim, Korea Advanced Inst. of Science & Technology 

8:30 a.m. 

Results of Audi A5 Evaluation with Alternate Refrigerants 

Hans Hammer, Audi AG 

8:50 - 10:05 a.m. 

Industry Updates 

8:50 a.m. 

Results of Nissan and Toyota Investigation of Alternate 

Refrigerants Regulation 

Kenta Aoki, Nissan; Tohru Ikegami, Toyota 


Hyundai/Kia Evaluation of Alternate Refrigerants 

Scott Bang, Jinyoung Yoo and Naksup Sung, Hyundai & Kia Corp. 

Results of GM Evaluation of Alternate Refrigerants 

Harry Eustice, GM 

Current Status of Alternate Refrigerant Evaluation 

Jean-Marie L’Huillier, Renault; Roberto Monforte, Fiat; Bruno Rose, PSA 

10:05 am 


10:20 a.m. 

Mobile A/C Impact on CO2 Exhaust Emissions - Over the 

Road Monitoring in Real Time 

Timothy Fox, California State Univ. - Northridge 

10:50 a.m. 

The Great Refrigerant Debate 

Panel of global OEM and Tier one representatives to offer “opinions” 

on a range of questions related to refrigerant choices to meet the EU 

regulation mandated for 2011. 

Kenta Aoki, Nissan 

Scott Bang, Hyundai 

Tim Craig, Delphi 

Harry Eustice, GM 

Hans Hammer, Audi AG 

Tohru Ikegami, Toyota 

Jean-Marie L’Huillier, Renault 

Roberto Monforte, Fiat 

Christophe Petitjean, Valeo 

Bruno Rose, PSA 

SAE Disclaimer: 

The purpose of this session is to provide an open exchange of ideas. Remarks made by participants or members of the 

audience cannot be quoted or attributed to the individual or their company unless express permission has been granted 

by the individual and their company. Any record of remarks, discussion, or photographs may not be used unless express 

permission has been granted by the individual and their company. 

12:00 – 1:15 p.m. 

Lunch 

12:45 - 3:45 p.m. 


Formal vehicle rides are for members specifically assigned ride teams. 

3:00 - 5:00 p.m. 

Committee Working Group Meetings - ICCC 


speaker biographies 

Kenta Aoki 

Nissan 

Bio not available 

Ward Atkinson – VCCC, Inc. 

President 

Sun Test Engineering 

Ward is President of VCCC, Inc. established 1980, 

which is an operating division of Sun Test Engineering, 

located in Scottsdale, Arizona. Sun Test Engineering 

provides consulting services to the automotive industry. 

Clients have included: Ford Motor passenger car 

and truck divisions, General Motors passenger car and 

truck divisions, Subaru, Hyundai, AM General, Nissan 

Research and Development (USA) and other world auto 

companies. Ward has overseen engineering programs 

which have been conducted for auto industry suppliers 

including, DENSO, Honeywell, Modine Manufacturing 

Co., Colt Holley, BASF, Goodyear, Autolite and ICI. 

He has been the originator of the Phoenix Alternate 

Refrigerant Symposiums and hosted the meeting since 

1998. Ward has volunteered for the society in many roles 

over the years since he became a member in 1954. In 

1998 Ward received the SAE Arch T. Colwell Cooperative 

Engineering Medal. In 2005, Ward received the US EPA 

Climate Protection Award and has been granted 6 U.S. 

product patents. 

Notes 

Alberto Ayala, PhD MechE 

Chief, Climate Change Mitigation & Emissions Branch Research 

Division Air Resources Board 

California Environmental Protection Agency 

Alberto Ayala is Chief of the Climate Change Mitigation 

and Emissions Branch of the California Air Resources 

Board (CARB). The Branch has principal responsibility 

for greenhouse gas emission reduction strategies for 

refrigerants used in motor vehicle air conditioning 

systems. Dr. Ayala has been with CARB for eight years, 

received a doctorate in Mechanical Engineering from 

the University of California, Davis in 1997, is an Adjunct 

Professor at West Virginia University, and a Visiting 

Professor at the University of the Pacific. 

Larry Edsall 

Editor & Journalist 

Auto Week Magazine 

Larry Edsall graduated from the Medill School of 

Journalism at Northwestern University and worked 

as sports editor for daily newspapers in Michigan. In 

addition to three Olympic Games, he covered auto 

racing, which led to a job at AutoWeek magazine. He 

was recruited to Phoenix late in 1999 to establish the 

editorial content for automotive websites and continues 

to oversee www.iZoom.com 

. He also writes a weekly feature for The Detroit News, 

contributes to AutoWeek and Automotive News, does 

editorial consulting, and is the author of nine books, the 

latest is Masters of Car Design. His 20-year history of the 

Mazda Miata is scheduled for publication this fall and 

he’s working on a book chronicling the development of 

the new Chevrolet Camaro, with the book to be published 

in conjunction with the car’s launch early next year. 

10 


Timothy Fox 

Professor, Mechanical Engineering, 

California State University Northridge 

Professional/Instructional areas of expertise include 

automotive air conditioning systems, alternatively fueled 

vehicles, hybrid electric vehicles, stationary energy 

systems (including electric power generating stations, 

heat-power combined cycles, natural gas pipeline/ 

compressor stations, and steam enhanced heavy oil 

recovery), environmental/space simulation testing, and 

aircraft/spacecraft performance, design and propulsion 

systems. 

Currently funded projects include (1) Automotive air 

conditioning-environmental CO2 impact (CARB), (2) 

MicroTurbine environmental performance assessment 

(Capstone), (3) Autonomous unmanned aerial vehicle 

development (NSF) 

University of Michigan - BSE (Math), BSE (Aero), MSE 

(Aero), PhD (ABD Aero) 

Hans Hammer, MechE 

Development Refrigerant Cycle, Audi AG 

Hans Hammer is heading the Alternate Refrigerant Project 

at Audi. He is also in charge of all testing issues on the 

refrigerant cycles. Hans has been with Audi since 1985 

after he received his degree in mechanical engineering at 

the University of Applied Sciences in Munich, Germany. 

He worked on refrigerant cycles since he started his 

career at Audi and he contributed to the introduction 

of new technologies such as variable compressors in 

1990, non-ozon-depleting refrigerant R134a in 1992 and 

externally controlled compressors in 1999. 

William Hill 

Technical Fellow 

General Motors Corporation 

William Hill is a Technical Fellow with General Motors 

Corporation. He has worked for GM for 33 years in 

various areas of HVAC. His current assignment is with 

the Global Technology Engineering group working on 

global advanced technologies and system integration 

issues. Bill has also been involved with alternate 

refrigerants for seven years through his work with 

the SAE Alternate Refrigerant Cooperative Research 

Programs. He served on the Expert Team of the ARCRP 

Phase I and II. He was also active in the IMAC CRP 

with the efficiency team and now leads four teams with 

the CRP150 to investigate new low global warming 

refrigerants. Bill is also active in the Interior Climate 

Control Committee and has served as an organizer of the 

Climate Control sessions for the SAE Congress for the 

last 8 years. 

Notes 



Tohru Ikegami 

Toyota Motor Corporation HVAC Development Body System 

Engineering Div.3 Vehicle Engineering Group 

Bio not available 

Man-Hoe Kim 

Professor of Practice 

Korea Advanced Institute of Science and Technology 

Dr. Man-Hoe Kim is a Professor of Practice in the 

Graduate School of Automobile Technology at KAIST. He 

received Ph.D. degree in mechanical engineering from 

the KAIST in 1988. Prior to joining the KAIST in 2003, 

he worked for Samsung Electronics Company for 14 

years. He was a Guest Researcher at NIST for 1993-1994 

and a Visiting Professor at the University of Illinois for 

1999-2001. His research activities have been in areas of 

energy efficient HVAC components and system design for 

mobile and residential applications, and vehicle thermal 

management. 

Jean-Marie L’Huillier 

Test Bench Design Engineer 

Renault 

Jean-marie joined Renault in 1988 as test bench design 

engineer. He joined the Air conditioning group in 1995, in 

charge of automatic control and system development. 

Then, he took the responsability of several HVAC 

developments, including an underfloor HVAC project for 

the last Renault large MPV (Espace). 

Since 2003, as manager,he has been in charge of the 

HVAC upstream engineering team. 

Notes 

Carloandrea Malvicino 

Head of Thermal Systems Dept. 

Centro Ricerche Fiat 

Carloandrea was born in 1963. He graduated in Physics 

in 1987 after following an application-based course. 

He joined the “Centro Ricerche Fiat” in 1988 and 

worked on sensor systems and the development of new 

measurement systems. 

In 1994 he widened his sphere of interest to include the 

field of climate control and now is heading the Thermal 

Systems Department and leading a Fiat Group Research 

project on vehicle fuel economy increase. His present 

activity is focused on the development of innovative 

technologies and solution to improve the vehicle fuel 

efficiency and reduce emissions. 

During the period spent in the “Centro Ricerche Fiat” he 

has written a considerable number of papers and has 

been the inventor of a number of patents and supervisor of 

several degree theses (Turin University, Turin Polytechnic, 

Ecole Supérieure des Mines de Paris and Ecole Supérieure 

des Mines de Saint Etienne). He is at present leading also 

the EU project B-COOL focused on the development of 

low cost and high efficiency R-744 (CO2) based mobile air 

conditioning systems. 

12 


Barbara Minor 

Engineering Fellow 

DuPont Fluoroproducts 

Barbara joined the DuPont Company in 1981 as a 

chemical engineer in Wilmington, Delaware. Barbara 

is currently with DuPont Fluoroproducts and is an 

Engineering Fellow conducting research for the 

DuPont Refrigerants Business. Barbara has been in 

the Refrigerants industry for over eighteen years and is 

currently leading the technical effort to develop new low 

GWP refrigerants for automotive air conditioning. She 

holds over eighty US patents for refrigerants, cleaning 

agents and aerosol propellants as well as several 

publications in the field. She is an active member of the 

Air Conditioning, Refrigeration and Technology Institute 

serving on the AHRI Steering Committee and Research 

and Technology Committee. Barbara is also a member of 

ASHRAE and is currently Chair of TC 3.1 – Refrigerants 

and Secondary Coolants. 

John J. Meyer, PH.D ME 

Refrigerant System Technical Fellow 

University of Illinois, Urbana, Illinois 1996 

Dr. Meyer has been conducting fundamental research 

on refrigerants since joining the Mechanical Engineering 

Department at The University of Illinois in 1990. Since 

joining Visteon Dr. Meyer has been a member of 

the Advanced Climate Systems group and has had 

refrigerant sub-system program responsibility. He has 

been very active in outside organizations, including SAE, 

EPA, CARB, and various universities. He has authored 

numerous publications, presentations, and patents in the 

thermal sciences field. 

Notes 



Roberto Monforte, Eng. PhD 

Alternative Refrigerants Program Manager 

FIAT Group Automobiles SpA, Torino, Italia 

Roberto graduated in engineering at the Polytechnic of 

Turin in 1990. His degree was followed by a Doctoral 

Thesis in Machine Design and Construction at the 

Polytechnic of Turin in 1993, dealing with the Structural 

Characterization of Materials for Superconducting 

Applications at Cryogenic Temperatures together with 

CERN-Geneva and CNR-Turin. 

He was then joining MAC system suppliers’ in the Turin area 

(1994-2001), experiencing in MAC Systems Design for both 

current technology development to mass production and 

research for alternative refrigerants application. 

He joined FIAT in 2001 as project leader in MAC system for 

the Grande Punto / new Corsa development in the SCCS 

FIAT/GM common Platform. 

His current appointment, dating since 2004, deals with 

innovation and pre-development of MAC systems for the 

FIAT vehicles. 

He has been a member of the ACEA SG-AirCo working 

group since 2004 supporting the definition of the leakage 

measurement procedure for the EU Commission Directive 

on the MACs HFCs emission management. 

He has been a member of SAE since 2003, issuing 3 SAE 

papers among 7 in all. 

Notes 

Christophe Petitjean, PhD 

Alternate Refrigerant Program Director 

Valeo 

Dr. Christophe Petitjean gained his PhD in Energy 

Sciences by 1992. He joined Valeo Climate Control in June 

1992 as Thermodynamic Engineer. Then he was in charge 

of experimental benches and simulation tools together 

with A/C loop engineering management. He is involved in 

Alternate Refrigerant since 1994 within the RACE project 

until now as Alternate Refrigerant Program Director in 

Valeo. He is also member of various organizations such as 

SAE Standard Committee, UN IPCC/Technical Economical 

Assessment Panel (Kyoto Protocol). 

Henry Petersen 

VP Sales & Marketing 

Piflex P/S, Denmark 

Employed for 23 years at Hydro Aluminium in several 

executive positions including relocation to Germany, 

Belgium, Holland and North America. 

Now also VP Sales - & Marketing for Piflex P/S, Denmark . 

Passion: Technical- & commercial development of light 

weight and cost efficient solutions in Aluminium mainly for 

the Automotive Industry. 

Twenty-three years experience in the automotive industry 

with high level developments and business opportunities. 

58 years young. European with Danish Passport. Worldly 

with respect and passion for other cultures and mentalities. 

Commercial bachelor added with International sales and 

marketing, organizational matters including international 

legal commercial rights. 

14 


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Kenneth Porrett 

Staff Engineer 

General Motors 

Ken Porrett is a Staff Engineer with General Motors 

Corporation. Ken began his career with GM in 1990 

and has held various positions in Validation and HVAC. 

His current assignment is with the Global Technology 

Engineering group working on global alternative 

refrigerants. Ken has also worked on the development of 

fuel economy improvements for mobile air conditioning 

systems. 

Bruno Rose, PSA 

PSA Peugeot Citroën 

Bruno Rose studied mechanical & thermodynamics 

engineering in the Ecole des Mines in Nantes. From 

1998, he worked as an engineering consultant for the 

automotive and aircraft industries, designing engine 

cooling circuits, air conditioning systems and their control 

strategies. Since 2004, he is responsible for the Heating 

and Air Conditioning engineering group in PSA Peugeot 

Citroën, Vélizy. 

Carsten Post 

Manager, Application and Development 

Hydro Aluminium 

Educated as Mechanical Engineer from South Danish 

University in 1996. Born in Denmark 1970. 

Eight years of experience as application and development 

engineer at Hydro Aluminium working with development of 

heat exchanger components. Three years in a position as 

project manager for developing A/C components specific 

for R744 air conditioning systems at Hydro Alunova. 

Present in a position as manager for Application and 

Development in the manufacturing plant of Hydro 

Aluminium in Tonder and since 2002 a core team member 

of the Piflex P/S project group 

Christophe Proust, INERIS 

Senior Scientist and Research Manager 

French Institute for Industrail Risk 

Dr. Proust is specialized in explosions and manages a 

team of students, technicians and engineers on a large 

scale experimental site close to Paris. After more than 20 

years of experience in the field, a significant body of data 

has been gathered concerning all the major aspects of 

industrail safety including the formation and the ignition of 

explosive atmospheres. 

Harald Riegel 

Manager Development R744 AC 

Behr GmbH & Co.KG 

Dr. Riegel is currently Manager Development R744 AC at 

Behr. He has a Master in Physics PhD. He is a member of 

SAE, VDI, and German Physical Society 

Eric Scarlett 

GM - MPG - HVAC/PTC Development 

General Motors 

Mr. Scarlett has a BSME from Michigan State 

University. He started his working career in 1984 with 

Tecumseh Products on refrigerator compressor. In 1989 

he joined Ford Motor Company (and later Visteon) were he 

worked on compressors and refrigerant systems where he 

become a Technical Professional. In 2007 he joined GM in 

system development. 

Markus Schwerdtfeger 

Business Unit Manager Face Seals 

KACO GmbH & Co. KG 

University degree Engineer (German: “Dipl.-Ing. 

Maschinenbau”) I am responsible for running the business 

unit “face seals” inside the KACO GmbH. I am a member 

of the SABO group; which is a worldwide group of around 

4.000 people that develops, manufactures and sells 

dynamic seals for automotive and industrial use. I am 

responsible worldwide for development, manufacturing 

and sales for face seals of our group. 

I have a 12 year experience in dynamic seals and for 9 

years I have been involved in the development of a shaft 

seal for the R744 compressor. For 7 years I have been 

responsible for the development of the shaft seal for the 

R744 compressor. Our team in Germany has developed 

a production ready design for the R744 compressor 

shaft seal for various customers worldwide and various 

innovative testing equipments to analyze such seals. 

16 


Mark W. Spatz 

Global Leader - Alternative Refrigerants Application Research & 

Technical Service 

Honeywell Inc., Buffalo Research Center 

For the last fifteen years was responsible for assisting 

the air conditioning and refrigeration industries in the 

transition to environmentally friendlier refrigerants 

including conducting the original application work on new 

LGWP refrigerants. Conducted research on the application 

of these new working fluids, consulted with industry, and 

wrote and presented numerous technical papers in this 

field 

Education: MS Mechanical Engineering, Union College, 

BS Mechanical Engineering, City College of NY 

Over thirty years of experience in the research, 

development, and design of refrigeration, cooling, 

energy, and heat transfer systems. In addition to vapor 

compression technology, conducted research and 

development on other technologies such as desiccant 

cooling, absorption, heat pipe technology, Stirling, and 

Vuilleumier cycles. 

Professional Societies: Member of SAE and participant in 

various programs including CRP and IMAC. Also member 

of ICCC. Served as a member of the AREP Technical 

Committee of ARI that evaluated R-22 Alternatives. 

ASHRAE Member and Research Chair of ASHRAE 

Technical Comm. 8.11 – Unitary A/C & Heat Pumps. 

Naksup Sung 

Senior Enigneer 

Hyundai & Kia Corporation 

Naksup Sung works at Hyundai Kia Motors R&D Center 

in KOREA and H/VAC Senior Enigneer 

Notes 

Karen Thundiyil 

MACS International Cooperation Manager 

U.S. Environmental Protection Agency 

In 2004, Karen joined the United States Environmental 

Protection Agency (US EPA) to work on ozone and 

climate cross cutting issues. She serves at the MACS 

International Cooperation Manager and has a portfolio 

of projects under the Significant New Alternatives Policy 

(SNAP) program and Section 609 of the Clean Air Act. 

Karen came to the US EPA from the Massachusetts 

Institute of Technology (MIT) where she received a 

Masters in Environmental Policy & Planning under the 

supervision of Dr. Mario Molina. 

Jinyoung Yoo 

Hyundai & Kia Corporation 

Edward I. Wolfe, IV 

Senior Project Engineer 

Delphi Corporation 

Edward I. (Ned) Wolfe is a Senior Project Engineer in 

Delphi Corporation’s Advanced Systems Development 

Group responsible for refrigerant emissions work and 

developing future refrigerant systems for vehicle air 

conditioning. 

Ned is active in the Society of Automotive Engineers, 

serving as a member of the Interior Climate Control 

Standards Committee, and member of the SAE I-MAC 

Team on Refrigerant System Leakage Reduction. 

Through the SAE I-MAC Team much work has been done 

to develop refrigerant emission testing methodologies 

for adoption into SAE J-standards for global automotive 

industry use. 

Ned’s education in mechanical engineering includes a 

Bachelor of Science from Virginia Tech and Masters of 

Science from Lehigh University. 


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18 


2008 SAE Bio-fuels: 

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7-9 July 2008 

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Notes

Plan now to attend… 

Convergence 2008 is your connection to 

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“Convergence 2008 will pose the question to the Vehicle 

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Electrical/Electronics 

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Convergence 2008 

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SAE 2008 Alternate Refrigerant Systems ... - SAE International

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