Sensor arrangement for a driven wheel hub-rolling bearing arrangement with a signal generator, a sensor and a sealing cap

摘要

An ABS encoder arrangement for a driven wheel bearing unit, with a multi-pole ring, a sensor device with a sensor head, and an annular cap element that has an annular wall portion which shields a cap interior against the exterior. The annular wall section extends through an intermediate region lying between the multi-pole ring and an end face of the sensor head. An extension concentric with the axis of rotation of the multi-pole ring and extending axially over a circumferential area of an articulated shaft head is connected to the annular wall section on a side facing away from the multi-pole ring. In the end portion of the extension facing away from the multi-pole ring and extending over the articulated shaft head, the extension forms a circumferential profile that radially stiffens the extension and forms an annular edge which extends into a circumferential groove of the articulated shaft head and forms a channel cross-section open to the outside.

主权项

1. An ABS encoder system comprising:
a multi-pole ring carrying a multi-pole structure; a sensor device having a sensor head for detecting a magnetic field generated by the multi-pole structure; and an annular cap element having an annular wall section sealing off a cap interior toward the outside, the cap interior housing the multi-pole ring; the annular wall section extending through an intermediate area situated between the multi-pole ring and a front surface of the sensor head, an extension concentrical to the circumferential axis of the multi-pole ring being connected to the annular wall section, and axially overlapping in a mounting position a circumferential area of a drive shaft head, the extension, in an end area facing away from the multi-pole ring and surrounding the drive shaft head, forming a circumferential profile radially stiffening the extension; the circumferential profile forming an annular border extending axially away from the multi-pole ring into a circumferential groove of the drive shaft head, and the annular border forms a channel cross-section open to the outside.