B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 7/20 (2006.01) B60T 13/26 (2006.01) B60T 13/38 (2006.01)
Patent
CA 2198817
A spring-loaded park valve 4 is arranged to hold the trailer park brakes 8 in a released condition by application of pressure from a cylinder 1 via lines A and B. The park valve has a "red" button which is held in a depressed position by application of pressure from a tractor unit via an emergency or "red" line C. When the pressure in the emergency line is released (e.g. when the trailer is uncoupled) the red button is ejected under spring pressure, venting the pressure to the park brake spring actuators 8, and thereby automatically applying the park brakes.
Une soupape de freinage de stationnement à ressort 4 permet de maintenir les freins de stationnement d'une remorque 8 à l'état relâché par application d'une pression venant d'un cylindre 1 par les conduites A et B. La soupape de stationnement a un bouton "rouge" qui est maintenu enfoncé par application d'une pression venant du tracteur par une conduite "rouge" ou de freinage d'urgence C. Quand la pression est relâchée dans la conduite de freinage d'urgence (p. ex. quand la remorque est découplée), le bouton rouge se relève sous l'action du ressort en transmettant la pression aux actionneurs à ressort des freins de stationnement 8, ce qui déclenche automatiquement l'application des freins de stationnement.
Pownall Security Systems Limited
Ridout & Maybee Llp
LandOfFree
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