Ecp brake with dual mode empty load

B - Operations – Transporting – 60 – T

Patent

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Details

B60T 17/22 (2006.01) B60T 8/18 (2006.01) B60T 13/66 (2006.01)

Patent

CA 2710869

A rail vehicle brake system includes an electric controlled pneumatic brake valve having a controller and includes an empty-load device connecting the brake valve to a brake device. An electro-pneumatic lock-out valve is controlled by the controller and has a first position which allows the proportioning of the inlet pressure to the outlet by the empty-load device and a lock-out position which pneumatically prevents the proportioning of the inlet pressure to the outlet by the empty-load device. Also, the system may include a sensor for sensing the vehicle load; and the controller controls the brake valve in response to the sensed load taking into account the operation of the change over valve of the empty-load device. Also, an empty-load device including a load sensor is disclosed.

La présente invention concerne un système de freinage pour véhicule sur rail comprenant un robinet de frein pneumatique à contrôle électrique doté dun contrôleur et un dispositif vide-chargé connectant le robinet de frein au dispositif de freinage. Un robinet de verrouillage électropneumatique est contrôlé par le contrôleur et a une première position qui permet le dosage de la pression d'admission vers la sortie grâce au dispositif vide-chargé et une position de verrouillage qui empêche, de manière pneumatique, le dosage de la pression d'admission vers la sortie grâce au dispositif vide-chargé. Le système peut également comprendre un capteur pour détecter la charge du véhicule ; et le contrôleur contrôle le robinet de frein en réponse à la charge détectée en tenant compte de lactivation du robinet de substitution du dispositif vide-chargé. La présente invention concerne également un dispositif vide-chargé comprenant un capteur de charge.

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