Distance measuring device and method for use with vehicles

Details Distance measuring device and method for use with vehicles Distance measuring device and method for use with vehicles

1989-03-16

1991-04-02

Cuchlinski, Jr., William A.

Geometrical instruments

Distance measuring

Of length by rolling contact

33772, 235 95B, 377 241, G01C 2200, G01B 312

Patent

active

050037048

ABSTRACT:
A means is provided for measuring distance travelled by a vehicle having a wheel coupled to a vehicle axle disposed within a vehicle axle housing, with the wheel haivng at least one nonmagnetized metal region which rotates with the wheel defining an orbit through which the nonmagnetized metal region passes as the wheel rotates to advance the vehicle. The apparatus includes an inductive proximity sensor and a counter means. The inductive proximity sensor is of the type adapted for detecting the presence of nonmagnetized metal within a sensing distance and producing an electrical response thereto; it is coupled to the vehicle axle housing a preselected distance from the orbit of the nonmagnetized metal region, so that the nonmagnetized metal region is within sensing distance as it passes by the inductive proximity sensor. The counter is coupled to the inductive proximity sensor for receiving the electrical response and producing a display corresponding to the distance travelled by the vehicle.

REFERENCES:
patent: 323498 (1885-08-01), Coffin
patent: 2674411 (1954-04-01), Cochnar
patent: 3215545 (1966-05-01), Looney
patent: 3700164 (1972-10-01), Slagle
patent: 4044471 (1977-08-01), Peterson
patent: 4430800 (1984-02-01), Shimano
patent: 4563574 (1986-01-01), Dreyer et al.
patent: 4807265 (1989-02-01), Swanson

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