CVT in automotive applications

Please note, that this event takes place in English.

In case you prefer the german version of this site, click here.

  • Use this unique global expert conference on the topic of CVT in vehicles to gain an overview of relevant current developments.
  • Communicate with the leading industry experts and expand your international network.
  • Benefit from the extraordinarily high expert level of the conference talks.
VDI conference “CVT in automotive applications” | VDI Wissensforum

The international VDI conference “CVT in automotive applications” is a unique global specialist conference that is dedicated solely to the topic of CVT in vehicles. Here, leading industry experts present the latest technical developments in the field of CVT. Learn about the approaches favoured in the Asian and American markets and find out why CVT is also being discussed more intensely in terms of the electrification of powertrains.

Free of charge whitepaper download

Technologies need to have more Flexibility

Download now

New opportunities for CVT in hybrid propulsion in Europe?

CVT already takes up a sizeable portion of the market in Asia, and also around 40% in Japan. North America is slowly gaining pace, and it is only in Europe where CVT has been of little interest up to now. Consumer acceptance here is low. Reasons for this, apart from the unfamiliar feeling Europeans have while driving, are the comparatively low efficiency and problematic acoustic characteristics.

The VDI conference “CVT in automotive applications” will give you an overview of the current technical developments that can improve the opportunities of CVT compared to other automation concepts. Discuss with leading representatives of OEMs and supplier companies what effects hybrid and fully electrical transmission systems will have on the future use of CVT.

Download Program PDF

Program of the Conference

Tuesday, October 10, 2017


Registration & welcome coffee


Chair’s welcome and opening address


CVT: Variability secures a bright Future

  • CVT from niche to mass market
  • Continuous developments driven by market requirements and  emission targets
  • Variability as key for electrification and autonomous driving

Han-Hein Spit, M.Sc., Vice President, co-authors: Wim Pasterkamp, Senior Product Manager and ir. Francis van der Sluis, Senior Expert Advanced Development, all: Bosch Transmission Technology B.V., The Netherlands


CVTs: Where have they been and where are they going

  • History of CVT
  • Challenges faced and how they were overcome
  • Recent developments
  • Future possibilities: Efficiency improvement, integration with hybrid and cost reduction

John Maten, MSEM, Assistant Chief Engineer, General Motors – Global Propulsion Systems, USA


Networking & coffee break

Improving Performance: Efficiency – Drivability – NVH


CVT Drivability for EU

  • Drivability needs of EU market
  • Negative point of conventional CVT
  • CVT drivability concept for EU

Koji Nakamura, M.Sc., Development Engineer, co-author: Michio Kojima, both: Honda R&D, Japan


Analytical Estimation of dynamic Behavior of Chain Type CVT

  • Development of analysis model which can reproduce dynamic behavior
  • Improve accuracy of performance design (NVH, Reliability, Efficiency) in Analysis
  • Integration analysis structural and multi body dynamics
  • Measurement of pulley deformation, chain tension and pin compressive forces
  • Application to transmission development

Hiroko Aoki, Senior Engineer, Research & Experimental Department, co-author: Yoshiyuki Yomogida, Engineer of CAE Department, both: SUBARU CORPORATION, Japan


New Hybrid Genetic Algorithm for Pitch Sequence Optimization of CVT Variator Chain • Comparison between chain and belt systems

  • Technical concept for improving chain noise
  • Object function
  • Current methodology
  • Visualized design space
  • New hybrid genetic algorithm
  • Pitch sequence optimization

Kenji Tsutsumi, M.Sc. Eng., Advanced Engineering of CVTs, co-authors:  Dr. Yoshitaka Miura, Senior Engineer and Dr. Yusuke Kageyama, Manager, all: Nissan Motor Co. Ltd., Japan




Automated CVT Topology Generation and Evaluation

  • System decomposition
  • Modified Computational Design Synthesis (CDS) framework applied to powertrains
  • Case study: CDS framework application to CVTs

Ir. Jan Wijkniet, Systems Engineer, Advanced Development, Punch Powertrain Nederland B.V., Eindhoven, The Netherlands, co-author: Dr. Ir. Theo Hofman, Assistant Professor, Eindhoven University of Technology, The Netherlands


High Power Density Electrical Oil Pumps for CVT Applications

  • Electrical oil pump modular design platform
  • Optimization of thermal path for high power output
  • Simulation-based optimization method for EOP design
  • Approach for assessment integration level based on KPIs

Oscar Sarmiento, Head of Advanced Development, co-authors: Alexander Schalja, Innovation Manager, Powertrain Transmission, both: Continental AG, Germany


CVT Vehicle Fuel Economy

  • Effects of fluid properties on CVT vehicle fuel economy
  • More than 3% fuel economy variation in a CVT vehicle
  • Lower fluid viscosity for better fuel economy

Dr. Ramnath Iyer, Technical Advisor, Driveline Fluids R&D, co-authors: Yungwan Kwak, Ph.D., R&D Group Leader and Christopher Clevelang, Ph.D., all: Afton Chemical Company, USA


Networking & coffee break


Utilization advanced efficient Testing Equipment using iPhone and Internet System to CVT Development

  • Motivation for developing new tools
  • Outline of new tool system
  • Introducing some excellent features of the new System

Hiroyuki Mitsui, Assistant Manager, Experiment Department,  co-author: Miki Kinoshita, B.Eng., both: JATCO Ltd., Japan

Challenges in Component Design


The CVT Pushbelt reinvented for Future Compact and Efficient Powertrains

  • New Pushbelt concept for the future
  • Single loopset configuration and new element design
  • New element design to reduce internal friction losses in the pushbelt variator up to 40%
  • New pushbelt design enables compact variator packaging (12% reduction in size) and enables transmission weight reduction by 10%

Ir. (Master of Mechanical Engineering) Henrik De Leeuw, Director of Advanced Engineering, R&D, co-authors: Ir. Mechanical Engineering, Francis van der Sluis, Sr. Expert Engineer and Ir. Mechanical Engineering, Arjen Brandsma, Sr. Expert Engineer, all: Bosch Transmission Technology B.V., The Netherlands


Analysis of internal and external Forces in a CVT Push Belt

  • Importance of the internal and external force in the analysis of the power transmission mechanism of CVT push belt
  • Measurement of element compression force using strain Gage
  • Measurement of contact pressure between elements and pulleys using thinfilm sensors
  • Analysis of internal and external force by FEM

Keisuke Ninomiya, Master in Communications and Computer  Engineering, Assistant Manager, Advanced Drivetrain Engineering, TOYOTA MOTOR CORPORATION, co-authors: Yuji Nagasawa, M.Sc., Development Engineer, TOYOTA CENTRAL R&D LABS INC. and Kentaro Yutani, M.Sc., Researcher, SOKEN INC., all: Japan


End of conference day one


At the end of the first conference day we kindly invite you to join us at the DAF Museum for in-depth conversations with other participants and Speakers.

Wednesday, October 11, 2017


Overview of clamping Strategies for Belt Type CVTs

  • Review of CVT control methods
  • Slip control
  • Efficiency improvement by self-optimizing techniques

Ir. Suraj Prakash, Mechanical Engineering, co-authors: Dr. Ir. Theo Hofman, Assistant Professor, both: Eindhoven University of Technology, The Netherlands


Micro slip of a metal Push V-Belt of CVT at fluctuating torque Conditions and Efficiency

  • Power transmission mechanisms
  • Fluctuating torque
  • Efficiency variation due to torque fluctuation
  • Micro slip

Dr. Eng. Toru Fujii, Professor, co-author: Dr. Kazuya Okubo, Professor, both: Doshisha University, Japan

CVT integrated in a hybrid Concept 09:40 CVT Approaches for 48V Hybridization

  • Evolution of CVT by small electrification
  • Role of transmission in 48V hybrid system
  • Key Value as flexibility of CVT

Tatsuya Osone, Vice President, R&D Division, JATCO Ltd., Japan


Networking & coffee break


New CVT Technology within a 48V Context

  • Market and legislation requires transmission electrification
  • Recent developments of a mid-torque high ratio CVT
  • Benefits of a 48V hybridization of CVT

Dr. ir. Alex Serrarens, Manager Business Development, Punch Powertrain Nederland, The Netherlands, co-authors: Ir. Koen Laurijsen, Chief Engineer VT5, Punch Powertrain, Belgium and Ir. Loek Marquenie, Advanced Development Engineer, Punch Powertrain Nederland, The Netherlands


CVT pushing hybrid Technology to new Heights

  • Global powertrain market development with focus on electrification
  • Evolution of electrification and the match with CVT
  • Evaluation of hybrid CVT topologies
  • Example of a hybrid CVT demo car

Ing. Gert-Jan van Spijk, Director, Bosch Transmission Technology B.V.,  The Netherlands


Schaeffler CVT – Ready for Future electric Mobility

  • CVT Hybrids in P2 and P2/P3 architecture
  • High power density by use of LuK chain
  • CVT fuel efficiency and electric driving range in comparison to a wet DCT
  • Detailed powertrain and vehicle modeling

Dr. rer. nat. Christian Lauinger, Senior Manager Advanced Development CVT, LuK GmbH & Co. KG, Germany

Emerging Technology


Development and Control of Next Generation VariGlide® Multi-Mode CVT Transmission

  • Design concept and presentation
  • Continuously variable planetary beltless CVT
  • Simulation and control techniques
  • Fuel economy improvement over conventional 8 speed transmissions
  • Drivability improvement over conventional automatic transmissions

T. Neil McLemore, M.Sc., Sr. Controls Engineer, Powertrain Innovations,  Dana Incorporated, USA, co-authors: Evrim Taskiran, M.Sc., Dana  Incorporated, Belgium and Jeff David, Dana Incorporated, USA


Conference chair’s closing remarks




Transfer to the plant tour at Bosch Transmission Technology in Tilburg


Plant tour at Bosch Transmission Technology

Bosch is the world’s largest supplier of automotive components.  Its production facility, located in Tilburg, is specialized in  development and production of an important transmission  component: The CVT pushbelt. During this plant tour, participants will visit the assembly lines of the pushbelt as well as the production lines of the semi-finished products. These production lines contain state-of-the-art technologies, such as laser-cutting, laser-deburring, low pressure vacuum hardening and gas quenching processes.

Please note: Safety shoes are required! Please bring your own safety shoes if possible!


Transfer to the Hotel


End of conference

International panel of experts supporting with specialist skills

In order to offer the international CVT community a first-class information platform, an international panel of experts has been put together to support the programme creation and, importantly, guarantee this event’s quality.

  • Prof. Dr.-Ing. Dr. h.c. Albert Albers, KIT
  • Andreas Englisch, LuK
  • Hong Jiang, Ford 
  • John R. Maten, General Motors
  • Dr. Yasuhiro Murakami, Afton Chemical
  • Shigeo Murata, Nissan
  • Tatsuya Osone, Jatco
  • Takashi Shibayama, Shin Nippon Tokki
  • Han-Hein Spit, Bosch Transmission

Exclusive factory tour

As a participant, you can experience the production of CVT components live during a factory tour at Bosch Transmissions in Tilburg, Netherlands, and find out about the production steps in which the different components are created.

Who should take part?

The VDI conference “CVT in automotive applications” is aimed at experts and managers who deal with variable transmission in vehicles and work in the following areas:

  • CVT development
  • Powertrain research and development
  • Transmission development
  • Development of electrified and hybrid transmission
  • Gearbox production
  • Marketing and sales

Evening event included

You are cordially invited to attend a cosy get-together in the evening of the first day of the conference. In a relaxed atmosphere, you can exchange experience with colleagues and speakers, establish new international contacts and maintain your network.

Book now

Would you like to know what current developments in the field of CVT are relevant to your business, and benefit from the experience of leading international companies? Then book your ticket for the VDI specialist conference “CVT in automotive applications” now.

Advisory Board

 John R. Maten John R. Maten GM Powertrain Group General Motors Corporation / Ypsilanti

 Yasuhiro Murakami Dr. Yasuhiro Murakami Afton Chemical Japan Corporation / Hirakawacho, Chiyoda-ku

 Shigeo Murata Shigeo Murata Nissan Motor Co. Ltd. / Atsugi-shi Kanagawa

 Tatsuya Osone Tatsuya Osone JATCO Ltd. Atsugi R&D center / Atsugi City Kanagawa

 Takashi Shibayama Takashi Shibayama SHIN NIPPON TOKKI CO. LTD Hamamatsu Technological Industrial Park / Hamamatsu-City

 Han-Hein Spit Han-Hein Spit Bosch Transmission Technology B.V. / Tilburg

Eventnumber : 01KO923

2. International VDI Conference - CVT in automotive applications 2017 Set screws for better efficiency

The event is currently not available for booking.

Please fill out the form below to be notified when the event is available again.

In case of queries, you can reach us here

You can reach us at:


Become an exhibitor or sponsor

Request information

Looking for a hotel?

Please book your accommodation here.