A DEVICE TO DETECT SPEED AND POSITION OF AN INTERNAL COMBUSTION ENGINE

摘要

Disclosed herein is a device to detect speed and position of an internal combustion engine. The device comprises a piston 100 and a crank shaft 102. A transmission mechanism 104 connects the crank shaft 102 and a cam shaft 106. The device is characterized in that a tone wheel 108 is mounted on the cam shaft 106 and a measuring element 110.The tone wheel 108 has at least one segment comprising at least one missing tooth, the missing tooth defines at least one position of the internal combustion engine. Reference figure: Figure. 1