FIELD: braking systems.
SUBSTANCE: valve includes an electric port configured to receive an electronic control signal and/or a pneumatic adjustment hole configured to receive a pneumatic control signal. Valve also includes pneumatic pumping hole. Pneumatic pressure hole is adapted to transmit pneumatic fluid medium, based on received electronic control signal and/or received pneumatic control signal, from second independent source, to control the second respective service brake and pneumatic fluid supply from the first independent source to control the first respective service brake.
EFFECT: valve, system and method of vehicle braking.
36 cl, 2 dwg
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Authors
Dates
2020-03-16—Published
2017-09-22—Filed