Device for measuring a combustion engine valve stroke comprises a fixed magnetic field generating sensor arrangement that interacts with ridges and grooves in the valve shaft surface to generate a position dependent signal

摘要

Device for measuring the valve stroke of a combustion engine valve comprises a fixed magnetic field generating device arranged in a sensor housing (5) that is coaxial to and surrounds the valve shaft (7). The valve shaft has ribs and grooves on its surface so that a sensor signal is generated as the valve shaft moves past the sensor.