Mounting arrangement for positioning of a magnet, for use with a Hall effect sensor, ensures that the radial separation between magnet and sensor remains constant, with only angular changes in position affecting measurements

摘要

Arrangement for rotating positioning of a magnet (12) comprises an outer ring (18), a bearing (16) that rotates within the outer ring and has an inner opening (14) for containing a magnet (12). The magnet has an inner opening (30) in which one end of an axle engages, while the other end of the magnet is coupled to a mechanism that applies a rotational force to the axle. A Hall effect sensor (28) attached to the outer ring measures the angular position of the magnet. An Independent claim is made for a method of mounting a magnet for use with a Hall effect sensor.