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Abstract

An arrangement for increasing the roll stability of rail vehicles equipped with air suspension. Two air spring bellows having integrated emergency springs of a first bogie are controlled by a respective leveling valve. In addition to these bellows, a roll stabilizer is provided, so that in the vicinity of the first bogie, the car body, when viewed in the horizontal direction, is nearly parallel to this bogie. So that when track twist is encountered, the second bogie can swing relative to the car body, only one of the air spring bellows of this bogie is controlled by a third leveling valve disposed in the center of the car body, while the other air spring bellows is connected via an equalizing line with one of the air spring bellows of the first bogie. A central emergency spring extends concentrically around the center pivot of the second bogie. Thus, the center of the car body is held at the same level by the second bogie, but swinging movements of the car body relative to this second bogie are possible when track twist is negotiated.

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First Claim