DAMPER DEVICE BETWEEN CAR BODIES FOR RAIL ROAD VEHICLE

摘要

PROBLEM TO BE SOLVED: To set damping force high in a range posing no problems regarding safety and low at a point such as a station yard where rapid relative lateral displacement between car bodies occurs. SOLUTION: An inner diameter of a cylinder 51 of a lateral movement damper 5 is set so that a piston 52 is slidable with its periphery in close contact with the inner wall of the cylinder 51 at an intermediate part which serves as a neutral position of the piston 52 and set larger than the outer diameter of the piston 52 in a range where the piston 52 laterally moves more than prescribed. The damping force of the damper can be controlled by switching a solenoid valve 57 disposed in a circuit 56 communicating with fluid pressure chambers 54, 55 partitioned on both sides of the piston 52 in the cylinder 51 of the lateral movement damper 5 with a control device 13 based on train velocity or train position information. COPYRIGHT: (C)2004,JPO