G - Physics – 01 – P
Patent
G - Physics
01
P
340/148.6
G01P 3/46 (2006.01) B60T 8/171 (2006.01) B60T 8/32 (2006.01) G01P 3/488 (2006.01)
Patent
CA 1056480
WHEEL SPEED SENSOR MODULE ASSEMBLY Abstract of the Disclosure A magnetic sensor module is for a wheel speed sensor assembly that is capable of being installed in association with a wheel rotatably mounted on an axle and includes an annular rotor adapted to be coaxially aligned with and connected to the wheel for rotation therewith. The magnetic sensor module includes a magnetic sensor alignable with a sector of the annular rotor and having a pair of openings extending therethrough perpendicular to the annular rotor. A support frame may be fixed on the axle in alignment with the annular rotor and has a U-shaped portion in- cluding a back wall and a pair of side walls with an opening therebetween facing the annular rotor. The support frame has a pair of post members which are generally parallel with the axis of the axle and secured to the back wall and extend therefrom in- to the opening. A retaining member of the module has a pair of side sections which retainably receive the magnetic sensor there- between and have outwardly biased spring portions. The retaining member with the magnetic sensor retained therein can be received within the opening of the support frame as the spring portions apply frictional force to the side walls and the posts are re- spectively snugly received within the openings of magnetic sensor. The magnetic sensor may be moved axially by the annular rotor during installation of the assembly to establish a predetermined axial distance therebetween and the frictional contact of the retaining member and the magnetic sensor with the support frame maintains the magnetic sensor at the predetermined distance in alignment with the annular rotor throughout normal operation of the assembly.
236977
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