B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 17/08 (2006.01) F16D 66/00 (2006.01)
Patent
CA 2520888
A method of monitoring the condition of a power spring of a pneumatic spring brake actuator of a vehicle by comparing the stroke of the push rod during normal braking and by actuating the parking brake, wherein a defective power spring is indicated when the difference in the push rod stroke falls below a predetermined minimum. The brake actuator may also include a sensor determining the push rod stroke and signal a defective power spring.
L'invention concerne un procédé permettant de surveiller l'état du ressort-moteur dans le cylindre de frein à ressort pneumatique d'un véhicule, en comparant la course de la tige de poussée pendant le freinage normal, et un actionnant le frein de stationnement. L'état défectueux d'un ressort-moteur est indiqué lorsque la différence de la course de la tige de poussée est inférieure à un minimum prédéterminé. Le cylindre de frein peut en outre comprendre un capteur qui détecte la course de la tige de poussée et signale un ressort-moteur défectueux.
Gowling Lafleur Henderson Llp
Indian Head Industries Inc.
LandOfFree
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