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2012/02/22


Mazda's High-Efficiency and High-Compression SKYACTIV-G Gasoline Engine Awarded by the Japan Society for Promotion of Machine Industry

- The 9th New JSPMI Prize from Ministry of Economy, Trade and Industry of Japan Society for Promotion of Machine Industry -

HIROSHIMA, Japan—Mazda Motor Corporation was honored at the 9th New Japan Society for Promotion of Machine Industry (JSPMI) awards presentation. Mazda received the New JSPMI prize from the Ministry of Economy, Trade and Industry for its development of the highly efficient SKYACTIV-G gasoline engine that achieves an ultra-high compression ratio. The New JSPMI prizes are given to organizations such as companies, universities and research institutes and their researchers for outstanding contributions to the progress and growth of the machine industry through research, development and commercialization of their achievements. The Minister's prize from the Ministry of Economy, Trade and Industry is granted to the most remarkable achievement.

 

The SKYACTIV-G engine achieves the world's highest compression ratio* for a regular gasoline mass production automobile engine of 14.0:1, resulting in a fuel efficiency and engine output improvement of 15% compared to existing models. The engine started to be installed in new models in 2011 and delivers excellent fuel economy and responsive driving performances.

 

About the 9th annual New JSPMI prize from the Ministry of Economy, Trade and Industry of Japan

Awarded for:   Highly efficient gasoline engine with high compression ratio
Recipients: Masahisa Yamakawa   Powertrain Technology Development Dept.
Masami Nishida Powertrain Technology Development Dept.
Yukio Masuda Engine Performance Development Dept.
Keitaro Esumi Powertrain System Development Dept.

 

Achieving a high compression ratio for conventional gasoline engines has been considered difficult due to the resulting abnormal combustion, known as "knocking". Mazda discovered that low-temperature oxidation reaction (in which the bonds within the molecules of fuel break and produce energy) occurs before ignition when the compression ratio is high, and the reaction leads to knocking reduction and output increase. Utilizing this reaction, Mazda successfully developed the SKYKACTIV-G gasoline engine. The engine also features a number of new combustion technologies, such as piston cavities that are specially designed to support ideal combustion and multi-hole injectors that enable precise fuel injection. Mazda's achievement was highly acclaimed with this recognition for significant improvement in internal combustion efficiency with a focus on improving performance of an internal combustion engine that is expected to remain the primary source of power for automobiles for the foreseeable future.

 

An award ceremony will take place at Kikai Shinko Kaikan building in Tokyo at 3:00 pm on Friday, February 24, 2012 (Japan time).The high-efficiency, high-compression SKYACTIV-G gasoline engine and models powered by the engine have been recognized with the following awards.

  • 2012 RJC Technology of the Year
  • 2011 Eco-Products Award from Chairperson of Eco-Products Awards Steering Committee
  • 2011-2012 Car Technology of the Year, Japan Automotive Hall of Fame
  • 2011-2012 Japan Car of the Year "Special Award"
  • 2011 Technology Award from the Combustion Society of Japan
  • 2011 Nikkei Global Environmental Technology Award

 

* Mazda data (February 2012)

 

For more information, please visit:

Japan Society for the Promotion of Machine Industry Web site:
 http://www.jspmi.or.jp/english/

Mazda's SKYACTIV TECHNOLOGY Web site:
 http://www.mazda.com/mazdaspirit/skyactiv/

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