Heat sensor for tractor trailer axle

G - Physics – 01 – K

Patent

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Details

G01K 13/08 (2006.01) B60Q 9/00 (2006.01) B60T 8/171 (2006.01)

Patent

CA 2200647

A method and apparatus to monitor the temperature of a bearing region of a trailer axle-spindle about which a wheel hub and drum assembly (commonly known as tractor tires) rotating so that the wheels thereof traverse the roadway over which the trailer is pulled. In the bearing region bounded between the hub drum assembly and the axle-spindle, there is provided a thermal sensor which is in thermal contact with the bearing region and the sensor is electrically connected to an indicator or monitoring means, preferably located in front of a driver driving the lorry pulling the trailer. When the temperature of the bearing region exceeds a predetermined threshold temperature, the indicator advises the driver that this threshold temperature has been exceeded and the driver can then pull the rig or lorry off the road to let the bearing region cool and then drive the rig to a convenient place for servicing.

Cette invention concerne une méthode et un dispositif de surveillance de la température des paliers d'essieux de remorques portant les ensembles moyeu-roue-pneumatique du véhicule. Elle fait appel à un capteur de chaleur placé en contact avec la région visée, qui se trouve entre le moyeu et la fusée d'essieu, et relié électriquement à un indicateur ou moyen d'affichage situé, de préférence, devant le conducteur de l'ensemble routier. Lorsque la température dépasse un seuil prédéterminé, l'indicateur alerte le conducteur qui peut dès alors quitter la route pour laisser refroidir et repartir immédiatement vers un endroit approprié pour effectuer les réparations qui s'imposent.

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