B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 8/36 (2006.01) B60T 8/50 (2006.01) B60T 13/68 (2006.01) B60T 15/02 (2006.01)
Patent
CA 2386178
The improved ABS performance in an air brake system for a vehicle is achieved by rapidly exhausting air from a control volume (36) of the relay valve piston (38'). The preferred embodiment incorporates a quick release valve (78) in the control air circuit to allow a majority of the air in the control cavity to escape directly to ambient. The orifice (72') through the exhaust solenoid (70') need only handle a relatively small volume of air upstream of the quick release valve, i.e., between the quick release diaphragm (76) and the inlet solenoid seat (80). Improved performance can be obtained through simple modification of the prior art structure.
On obtient une performance améliorée dans un système de frein à air comprimé destiné à un véhicule en laissant s'échapper rapidement l'air d'un volume de commande (36) du piston de la valve relais (38'). Le mode de réalisation préféré concerne une valve de vidange rapide (78) dans le circuit d'air de commande permettant à la majorité d'air dans la cavité de commande de s'échapper directement dans l'air ambiant. L'orifice (72') à travers le solénoïde d'échappement (70') ne doit manipuler qu'un volume relativement petit d'air en amont de la valve de vidange rapide, par exemple, entre le diaphragme de vidange rapide (76) et le support du solénoïde d'entrée (80). On peut obtenir une performance améliorée par simple modification de la structure de la technique antérieure.
Bendix Commercial Vehicle Systems Llc
Macrae & Co.
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