Trailer air dryer with bypass valving and service indicator

Details Trailer air dryer with bypass valving and service indicator Trailer air dryer with bypass valving and service indicator

B - Operations, Transporting

60

T

B60T 17/00 (2006.01) B01D 53/26 (2006.01)

Patent

CA 2384724

A trailer air dryer (10) is provided to minimize contamination, leakage or freeze-up of the valves used in a pneumatic braking andsuspension system caused by moisture or foreign particles in the system. A bypass assembly (60, 62) is provided to ensure normal brake operation should the filters or drying material/desiccant (18) become plugged. In one embodiment, an audible signal or warning is provided to the operator indicating need for servicing the trailer air dryer.

L'invention porte sur un dessiccateur d'air réduisant la contamination, les fuites ou le blocage par congélation des soupapes de systèmes pneumatiques de freinage et de suspension dus à la présence d'humidité dans ces systèmes. Il est prévu une dérivation assurant un freinage normal en cas de colmatage des filtres ou du dessicant. Dans l'une des variantes, un signal sonore ou un avertisseur indique à l'opérateur la nécessité de vérifier le dessiccateur.

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