| 摘要 |
A combined master cylinder and dump valve including a body having a body bore, a brake port, a tank port, and a pressure port with each port being hydraulically connected with the body bore, a piston slideable within the body bore and a plunger, the piston delimiting a part of the body bore to define a master cylinder for pressurising the brake port, the piston further including a piston seal for isolating the pressure port from the tank port, a plunger bore being hydraulically connected to the piston bore, such that: in a rest condition the master cylinder is unpressurised and the seal arrangement isolates the first piston hole set from the plunger bore, thereby isolating the pressure port from the tank port, and in an actuated condition, the plunger acts to slideably move the piston to pressurise the brake port, thereby hydraulically connecting the pressure port to the tank port. <IMAGE> |
