Matthieu Chanfreau

The need for an Electrical Water Valve in a THErmal Management Intelligent System (THEMIS)

In order to improve engine Thermal System Management and fulfill the need of car Manufacturers, VALEO is developing new engine cooling « intelligent » Components and Strategies. The evolution of engine cooling strategies with the introduction of electronics in Fan System like FANTRONIC®, Electrical Water Valve or pump like PUMPTRONIC® is presented here. The use of such controlled actuators helps reducing noise level, pollutant emissions and fuel consumption, as well as improving comfort and engine durability. The comparative tests of several cooling architectures carried out on four Mercedes A Class allow comparison of different types of engine cooling strategies and their impact on oil, coolant and metal temperature.