Retrofit air distribution apparatus for a locomotive braking...

B - Operations – Transporting – 60 – T

Patent

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Details

B60T 13/66 (2006.01) B60T 13/36 (2006.01)

Patent

CA 2219700

An air distribution apparatus (10) configured to retrofit with an existing air brake valve (18) of a locomotive braking system (12) to act as an interface with an electronic braking control device (14). The air distribution apparatus (10) includes a distribution body (56) configured for connection between the relay valve (28) and pipe bracket (30) portions of the brake valve (18), a plurality of passageways (58,60,62,64,66 and 68) formed in the distribution body (56) for delivering air between the brake valve (18) and the other components of the locomotive braking system (12), and a plurality of solenoid valves (70,72 and 74) electrically coupled with the electronic control device (14) and positioned in the passageways (62,66 and 68) for controlling the air flow through the passageways for permitting electronic control of the brake valve (18) utilizing feedback from pressure sensors (76,78) for safety and decision-making purposes.

Dispositif de distribution de l'air (10) servant à modifier un robinet de frein pneumatique existant (18) du système de freinage d'une locomotive (12) pour jouer le rôle d'interface avec un dispositif de commande électronique du freinage (14). Le dispositif de distribution de l'air (10) comprend un corps de distribution (56) servant à relier la valve-relais (28) et les parties du bloc de couplage de tuyauterie (30) du robinet de frein (18), un certain nombre de passages (58, 60, 62, 64, 66 et 68) formés dans le corps de distribution (56) pour acheminer l'air entre le robinet de frein (18) et les autres composants du système de freinage de la locomotive (12) et une série de clapets solénoïdes (70, 72, et 74) connectés électriquement au dispositif de commande électronique (14) et placés dans les passages (62, 66 et 68) pour régler l'écoulement de l'air par les passages en vue de permettre la commande électronique du robinet de frein (18) en utilisant la rétroaction provenant des capteurs de pression (76, 78) à des fins de sécurité et de prise de décision.

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