| 摘要 |
A park brake control assembly for a rail vehicle having a brake pipe, a distributor, an air supply reservoir, one or more brake cylinders and one or more pneumatically operated park brakes, the distributor and the park brake control assembly each having an output 5 port, the park brake control assembly including a plurality of valves responsive to one or more of the following: (a) brake pipe air pressure; (b) air pressure in the output port of the distributor; (c) air pressure in the output port of the assembly. 76!520 30 0-T~ Ditrbutor 3 5o -14 p e C~rP~- fo? ~~7. FIGURE IL |
