PULSE WHEEL FOR MEASURING THE REVOLUTION OF A WHEEL OF A VEHICLE AND SYSTEM FOR DETERMINING THE SPEED OF A VEHICLE
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United States of America
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Issued Date -
Dec 12, 2024
app pub date -
Jun 3, 2024
filing date -
Jun 3, 2024
priority date (Note) -
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Abstract
Pulse wheel and system for determining the speed of a vehicle based on a revolution measurement of a wheel of the vehicle. The wheel has a wheel axle which is fixed to a frame of the vehicle and a hub which rotates thereon. A brake disc is connected to the hub. A pulse wheel is attached in a rotationally fixed manner in relation to the hub in the installed state. A measuring device determines the revolutions of the pulse wheel. The pulse wheel has a first material which does not influence the measuring device, and a second material, preferably an electrically conductive material, which influences the measuring device. The measuring device is an oscillator which excites an oscillating circuit, the amplitude of which is damped by the movement of the second material in the alternating electromagnetic field of a coil of the oscillator. An evaluation circuit evaluates the change in the voltage of the oscillating circuit and determines the revolutions of the pulse wheel.
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