| 摘要 |
The invention concerns a pneumatic braking system, principally for a towed vehicle, for controlling the timing or sequence of operation of a pneumatic brake. A piston in a cylinder has one face exposed to a towed vehicle air supply and its opposite face exposed to an adjustable pneumatic pressure, a throttling member of a pressure reducer connects both sides of the piston and the chambers on both sides of the throttling member are respectively connected to respective ones of the chambers of the cylinder on both sides of the piston. |
