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Cooling System Control in Automotive Engines
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English
Abstract
The improvement in engine design and control techniques implies a reexamination of the cooling system. The aim of this research is to reduce fuel consumption and to increase passenger compartment thermal comfort through a better control of coolant flow rates and temperature. Preliminary experimental investigations, presented in the first part, permitted the development of a new cooling system. This system, described hereafter, is based on an electric pump and an automatic water-valve controlling the coolant flow rate and regulating the temperature at the cylinder head output. Finally are presented the vehicle tests; these confirm the results explained in the preliminary section:
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fuel consumption reduction, mainly due to a higher average coolant temperature,
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improved passenger compartment comfort through a monitored higher temperature level.
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Authors
Citation
Couëtouse, H. and Gentile, D., "Cooling System Control in Automotive Engines," SAE Technical Paper 920788, 1992, https://doi.org/10.4271/920788.Also In
References
- Dugas B. Palier P. Saguá A. Engine Cooling Optimization by Electronic Control Equip'Auto SIA Villepinte France October 1989
- Schuck S. Paris - France November 1991
- Einaudi G. Mortara W. Engine Cooling Electronic Control System 885085 SAE 1988
- Kenny Andrew A. Bradshaw Cyril F. Creed Brian T. Electronic Thermostat System for Automotive Engines 880265 SAE 1988