Patent ID: 8667900

Claim:
A vehicle body tilting device for rail vehicle, the device being configured to transfer compressed air between a pair of left and right air springs placed between a vehicle body and a bogie to expand and contract the left and right air springs to control tilting of the vehicle body, the device including: one or two control valves for tilt operation connected between the left and right air springs; a pump for tilt operation connected between the left and right air springs through the control valve or valves; and a control unit for controlling the control valve or valves and the pump, wherein the pump having an input port and an output port that are connected to an circulation flow path to allow compressed air to circulate therethrough from the outlet port to the inlet port, the one or two control valves is connected to a point in the circulation flow path, and wherein the control unit is configured to drive the pump in advance before controlling tilting of the vehicle body to circulate the compressed air through the circulation flow path to provide a delivery stand-by state, switch the control valve or valves at predetermined timing to transfer the compressed air from one to the other of the left and right air springs.