ROTATION-SENSOR DEVICE FOR ENGINE AND MARINE ENGINE PROVIDED THEREWITH

摘要

the rotation sensor device (51) is a crankshaft (3) and is to a sensor shaft 15 and the crankshaft (3) and the sensor shaft (15) for varying the axial constant speed and synchronization interlocking rotation of the drive gear mechanism (21), and-taking with the test body 18 is installed to the sensor shaft 15, a rotation detector 19 for detecting the movement of the test-taking body 18. The sensor shaft 15 is a rotation shaft for rotating the test-taking only the body 18. Gear driving mechanism 21 has axis-to-axis distance of the crank shaft 3 side of the drive gear 22 and the sensor shaft 15 side of the driven gear 23 a provided with the crankshaft (3) and the sensor shaft 15 of the it is possible to absorb the variation. The central axis position of the sensor shaft 15 is at just below the axial center position of the crankshaft (3), is set engagement margin between the driving at the time of stop of the engine, the gear 22 and the driven gear 23 is such that the maximum allowed value there. ;