Side looking hall-effect vehicle speed sensor with an alignment

Details Side looking hall-effect vehicle speed sensor with an alignment Side looking hall-effect vehicle speed sensor with an alignment

1998-06-17

2000-10-17

Patidar, Jay

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

3242072, 32420721, G01P 348, G01P 354

Patent

active

061337293

ABSTRACT:
A speed sensor for sensing rotating speed of a wheel having projections. An elongated tubular sensor body connects to a flange, the flange being adapted from mounting in a housing wall in proximity to the wheel. A Hall-Effect sensor is provided within the sensor body and circuitry is also located there for processing signals from the Hall-Effect sensor. The Hall-Effect sensor is positioned for sensing the projections of the wheel through a portion of a peripheral sidewall of the cylindrical sensor body so that the Hall-Effect sensor is "side-looking". An alignment mark is employed to position the Hall-Effect sensor in sensing alignment with the wheel. A diameter of the flange cooperates with a placement of a receiving aperture in the housing for setting a width of a gap between the portion of the sensor body through which the Hall-Effect sensor is sensing and the projections of the wheel.

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