A brake distributor valve for a Russian railway vehicle includes a body defining a brake pipe passageway configured to be in fluid communication with a brake pipe, a reservoir passageway configured to be in fluid communication with a reservoir, and a reference pressure passageway configured to be in fluid communication with a reference pressure source. The brake distributor valve includes a service accelerated release valve having a valve member with a first position where the brake pipe passageway is isolated from the reservoir passageway and a second position where the brake pipe passageway is in fluid communication with the reservoir passageway. The valve member is configured to supply pressure from the reservoir passageway to the brake pipe passageway during a brake release event, where the valve member is actuated between the first and second positions based on a pressure within the reference pressure passageway.

Traction and braking control system for a train set comprising a master locomotive, at least one slave locomotive and a plurality of carriages, in which each of the locomotives includes traction apparatus and braking apparatus associated with respective manually actuated control devices and a respective electronic control unit. The system is characterized in that the control unit in the master locomotive is associated with sensors designed to provide said control unit with signals indicating the speed and/or the acceleration of the locomotive and the commands given by the driver; memory modules storing data indicating the composition of the train set, data defining a mathematical model of the longitudinal dynamics of the train set, data defining a profile of the section on which the train set is travelling, and data defining at least one operational objective; positioning means for providing signals indicating the instantaneous position of the train set along the section.

An air brake valve designed to remove the air from a vehicle air brake system in order to apply parking brakes in a manner to prevent unauthorized release of said brakes, and to achieve regulatory pre-trip and D.O.T. inspection of system low pressure warning indicator as well as regulatory after trip parking procedures for school busses.