B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 8/176 (2006.01) B60T 8/17 (2006.01) B61H 13/00 (2006.01)
Patent
CA 2728191
The train braking device includes an air brake controller 3 in which a plurality of friction coefficients corresponding to a brake command 2D and a brake initial velocity are stored, an electropneumatic conversion valve 4 that converts a pressure control signal 3D transmitted from the air brake controller 3 into a pneumatic signal, a relay valve 5 that generates a predetermined brake cylinder pressure 5D corresponding to the pneumatic signal, and a brake cylinder 7 that controls brake shoes 8 according to the brake cylinder pressure 5D, wherein the air brake controller 3 generates the pressure control signal 3D based on the friction coefficients corresponding to the brake command 2D and the brake initial velocity.
L'invention concerne un appareil de freinage de train qui comporte une partie commande de frein pneumatique (3) pour stocker plusieurs coefficients de frottement correspondant à une instruction de frein (2D) et une vitesse initiale d'un frein, une vanne de changement électropneumatique (4) pour convertir un signal de commande de pression (3D) transmis par la partie commande (3) en signal pneumatique, une vanne relais (5) pour générer une pression de cylindre de frein (5D) d'une pression prédéterminée correspondant au signal pneumatique, et un cylindre de frein (7) pour commander chaque semelle de frein (8) en fonction de la pression de cylindre de frein (5D). La partie commande de frein pneumatique (3) génère le signal de commande de pression (3D) sur la base d'un coefficient de frottement correspondant à l'instruction de frein (2D) et de la vitesse initiale du frein.
Marks & Clerk
Mitsubishi Electric Corporation
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