Embodiments of the present disclosure provide a pressure braking device, a braking system, and a railway vehicle, relating to the field of braking. The pressure braking device comprises a three-pressure braking mechanism and a pressure reducing mechanism, the three-pressure braking mechanism comprises a first cylinder block, and the first cylinder block has a first working chamber and a second working chamber isolated from each other; the pressure reducing mechanism is in communication with the first cylinder block, and the pressure reducing mechanism comprises a cylinder block, a pressure reducing piston, a partition member, and a pressure reducing chamber; the pressure reducing piston has a first end face and a second end face opposite to each other, and a side wall of the pressure reducing piston is provided with a first groove, and an area of the first end face is greater than that of the second end face; the first end face and the inner wall of the cylinder block define a first chamber, and the second end face and the inner wall of the cylinder block define a second chamber; the first cylinder block has a first working chamber and a second working chamber isolated from each other; the partition member is provided in the working passage, and the partition member is configured to partition the working passage into an outside passage and a pressure reducing passage, which can improve the release efficiency of the braking.
PRESSURE BRAKING DEVICE, BRAKING SYSTEM AND RAIL VEHICLE
DRUCKBREMSVORRICHTUNG, BREMSSYSTEM UND SCHIENENFAHRZEUG
DISPOSITIF DE FREINAGE PAR PRESSION, SYSTÈME DE FREINAGE ET VÉHICULE FERROVIAIRE
2023-07-19
Patent
Elektronische Ressource
Englisch
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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