Device for detecting the position of a mobile mechanism located in a case containing oil

摘要

The device has a Hall effect position sensor including a front end face provided with a magnet, and a target (30) including a front end (50) enclosed by a cover (40) that is made of non magnetic material. The cover has a front face (42) that extends from a front end face of the target and covers the front end face of the sensor when the front end faces of the cover and the target are arranged opposite to one another. The target has an axle provided with annular grooves (52) that are filled with overmolded material.