Patent ID: 6820511
Filing Date: 2004-11-23
Classification: G01D

Abstract:
Apparatus for measuring rotational angles of angle-dependent measurement values comprising a transducer (12) having an encoding shaft (16) which is journaled in a transducer housing (18), a stator coupling (14) for forming a rotationally fixed connection between the transducer housing (18) and a drive housing (28) of a drive system that is to be measured, the encoding shaft (16) being adapted to be non-rotatably connected to a drive shaft (24) of the drive system that is to be measured, wherein the drive shaft (24) has an axis of rotation that substantially coincides with an axis of rotation of the encoding shaft (16) of the transducer (12), at least one locking mechanism (52) including a noncircular shoulder (52) on the encoding shaft (16) which engages a cut-out (48) in the stator coupling (14) to effect the locking, the stator coupling (14) having a mounting plate (32) for mounting the stator coupling (14) on the drive system (26) and which defines the cut-out (48), the stator coupling further including a torque support (30) connected to the mounting plate (32) which is nonmovably attachable to the transducer housing (18) and the mounting plate (32), wherein the locking mechanism, while the transducer (12) and the stator coupling (14) are separate from the drive housing (28), non-rotatably connects the encoding shaft (16) via the stator coupling (14) with the transducer housing (18) and which, when the stator coupling (14) is secured to the drive system (26), releases the encoding shaft.