High temperature wheel speed sensor package to envelope...

Details High temperature wheel speed sensor package to envelope... High temperature wheel speed sensor package to envelope...

2005-01-04

2005-01-04

Patidar, Jay (Department: 2862)

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

C324S207200, C324S207210, C324S207250

Reexamination Certificate

active

06838871

ABSTRACT:
A system for producing a signal as a function of a rotational speed of a wheel includes an exciter, which includes a plurality of teeth, secured to the wheel. A cover has a first end facing the exciter. An active sensing element is within the cover and positioned away from the first end of the cover by at least about 10% of a total length of the cover. The teeth pass by the first end of the cover and the active sensing element at a rate proportional to the rotational speed of the wheel. The active sensing element producing signals as a function of the rate the teeth pass the active sensing element. An air pocket within the cover maintains the active sensing element below a predetermined temperature.

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PCT Search Report Dated May 26, 2004, PCT/US03/40874.

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