B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 8/44 (2006.01) B60T 8/42 (2006.01) B60T 8/48 (2006.01) B60T 13/66 (2006.01) B60T 13/72 (2006.01)
Patent
CA 2443924
A hydraulic braking system having an electronically controlled full power brake valve is disclosed. The hydraulic braking system supplies a braking output for a vehicle having at least one brake. The hydraulic braking system includes a primary valve assembly that is configured to receive a manually controlled input that varies the braking output of the braking system. The primary valve assembly includes a first spool valve configured to vary the braking output according to the manually controlled input. The hydraulic braking system also includes a secondary valve assembly is configured to receive input signals from a programmable electronic controller and includes a second spool valve configured to operate with the primary valve assembly. The secondary valve assembly also includes an actuator for engaging and actuating the second spool valve according to the input signals received from the programmable electronic controller such that the second spool valve modulates the braking output produced by the primary valve assembly.
L'invention concerne un système de freinage hydraulique comportant une soupape de freinage de puissance maximale à commande électronique, ce système développant le freinage sur un véhicule équipé d'au moins un frein. Ce système de freinage hydraulique comprend un ensemble soupape primaire, conçu pour recevoir une entrée commandée manuellement qui module la sortie de freinage du système. Cet ensemble soupape primaire est constitué d'un premier distributeur à tiroir cylindrique, destiné à moduler la sortie de freinage en fonction de l'entrée commandée manuellement, et d'un ensemble soupape secondaire solidaire de l'ensemble soupape primaire. Cet ensemble soupape secondaire est conçu pour recevoir des signaux d'entrée d'un dispositif de commande électronique programmable et il comprend un second distributeur à tiroir cylindrique, destiné à coopérer avec l'ensemble soupape primaire. Ledit ensemble soupape secondaire comporte également un actionneur pour engager et actionner le second distributeur à tiroir cylindrique, en fonction des signaux d'entrée envoyés par le dispositif de commande électronique programmable, de sorte que le second distributeur à tiroir cylindrique module la sortie de freinage générée par l'ensemble soupape primaire.
Goudreau Gage Dubuc
Mico Incorporated
LandOfFree
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