Car stablizing control system

Claim 1

In a curve responsive tilt controlled device for a railway vehicle having an air cushion suspension system and a measuring device that generates control signals while the vehicle is travelling along a curved path, the combination of a gyroscope mounted in the vehicle with its axis of rotation in a state of rest being horizontal and transverse to the longitudinal axis of the vehicle, a measuring device coupled to said gyroscope and comprising means for delivering signals corresponding to the angular velocity and angular acceleration of the vehicle in response to the magnitude and speed of deflection of the axis of rotation of the gyroscope from its state of rest during movement of the vehicle along a curved path, central switch means on said vehicle responsive to the angle between the plane of the track upon which the vehicle is travelling and the vertical central longitudinal plane of the vehicle from the vertical position for generating measurement signals indicative of the direction of deflection from the vertical position, signal modulator means connected to said measuring device and to said central switch means for delivering actuating signals to control the air cushion suspension to tilt the vehicle in the proper direction depending on the curvilinear travel of the vehicle and for delivering a blocking signal independent of the direction of turning, and switching means connected to receive said control switch means measurement signals and said blocking signal and having output means connected to said signal modulator means for unblocking the generation of said actuating signals in response to said measurement signals when said blocking signal disappears, the actuating signals being generated until the vertical central longitudinal plane of the vehicle reaches the vertical position and the measurement signals are no longer generated.