Ricardo and China’s Weifang Shengrui celebrate ‘first spin’ of advanced transmission

Ricardo and China’s Weifang Shengrui celebrate ‘first spin’ of advanced transmission
07 February 2010



The partners in this collaborative project to develop a next-generation 8-speed automatic transmission system for Chinese and international markets, formally commenced testing today of the first prototype unit at Ricardo’s UK Midlands Technical Centre – only 7 months after starting the design work.


The new front wheel drive 8AT transmission offers key advantages including a relatively simple arrangement utilising standard component design and manufacturing techniques, the potential for very good shift quality, a highly compact design package competitive with less well specified products, and flexibility for further adaptation for four-wheel drive or integration with hybrid powertrain systems. It uses a combination of epicyclic and parallel axis gearing in which three simple planetary gears are used together with a single brake and four clutch units. Ricardo and Weifang Shengrui signed a contract in June 2009 under which Ricardo became the development partner for this ‘industry-first’ product. The production version of the 8AT transmission is planned for manufacture in late 2011.

President Lui Xaingwu of Shengrui formally starts testing of the first 8AT prototype at RicardoThe formal ‘first spin’ ceremony for the initial prototypes took place at the Ricardo Midlands Technical Centre at Leamington Spa, UK, in the presence of members of the senior management teams of both Ricardo and Weifang Shengrui, as well as representatives of the Weifang regional government.

Commenting on the achievement of this key project milestone, Mark Garrett, Ricardo plc executive director, said: “We are extremely pleased to be able to welcome the senior management team of Weifang Shengrui together with regional government officials of Weifang province to Ricardo, to see the first spin of this advanced 8-speed transmission prototype. This milestone, achieved in a remarkably short time of only 7 months, has been the result of a very successful collaboration between Ricardo and Weifang Shengrui engineers that I am confident will result in a globally competitive product comprising the very latest in automotive technology, engineered in a highly robust manner for mass production.”

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