Metod och anordning för att mäta tryck via en tändanordning

摘要

A magneto-elastic converter (57, 61) forming part of a pressure sensor is housed inside the ignition device (5) and cooperates with a coil (55) inside this device. The ignition device comprises a spark plug and the coil is located in the same circuit as the spark wire (54). The ignition device acts as a pressure sensor.