Temperature Sensors for Electronic Engine Control Systems 780211

WITH THE DEVELOPMENT of the Ford Electronic Engine Control System to meet increasing emission and fuel economy requirements, the need arose to accurately assess engine coolant and inlet air temperatures in order to properly control exhaust gas recirculation flow and spark timing. This paper will discuss the design of the temperature sensors developed for that purpose. The sensors meet the functional requirements of the control system and are durable and reliable. The basic design is also readily adaptable to many other temperature sensing applications.


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