Supplier Schaeffler has launched a new thermal management module which it claims can reduce fuel consumption and CO2 emissions by up to 4%.
The module is a temperature control unit for the entire drive train integrated in a compact component manufactured from high-strength plastic and combining numerous functions.
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While engine temperature has been controlled previously by a thermostat located close to the engine, the new module controls the temperature conditions in the vehicle precisely and enables operation in the optimal temperature window in the fastest possible time. The cold running phase is significantly reduced by completely blocking off the cooling jacket and individual components can be operated at higher temperatures than would be possible with a thermostat-controlled system. The engine temperature can also be reduced under full load and the tendency for knocking and enrichment of the mixture under full load can be reduced.
Opportunities for precisely controlling temperature in order to increase efficiency range from both the engine and heating to the transmission and turbocharger. Controlling the temperature of alternators, hybrid modules and batteries is one of a range of possible tasks that can be performed by this sensor controlled component – they can be efficiently cooled and heated according to requirements using this module, Schaeffler said.
Precise control by means of a rotary slide valve enables the ideal temperature window for the engine and transmission to be reached rapidly. This has an effect on both the energy efficiency and the life of components in the drive chain. The turbocharger can also be included in the components whose temperature is controlled. Individual control ensures aftercooling of the thermally stressed exhaust gas turbine.
“The performance of the thermal management module makes this component particularly suitable for use in engines for start-stop operation,” the supplier said in a statement.
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By GlobalDataThe individual components of the module are also optimised for friction and the module can be connected directly to the engine control unit without additional power stages thanks to its low power consumption.
The module also releases developers from the constraint of having to fit the component close to the engine block as was always the case with a thermostat located on the engine. Standardised, non-interchangeable hoses reduce assembly times and ensure a high level of seal integrity.
