Importance

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Abstract

An arrangement with or in the form of a gas spring, comprising a first and second gas chamber with one or more devices separating these, which devices are arranged to increase the volume of the first chamber and reduce the volume of the second chamber, or vice versa, when a difference in pressure arises in the chamber. The invention also relates to a method for determining the spring characteristics of a gas spring, with the spring characteristics being created only by a first device, by means of which the space in the gas cylinder is divided into a first gas chamber and a second gas chamber, or in combination with a second device which is arranged in an additional chamber, which is divided by the second device into a third chamber and a fourth chamber that are connected to the first chamber and the second chamber respectively. The first or second device is arranged as a separating device that brings about an increase in the volume of the first chamber or the third chamber and a reduction in the volume of the second chamber or the fourth chamber, or vice versa, in response to a pressure difference between the first chamber and the second chamber or the third chamber and the fourth chamber. By means of the invention, a gas spring is obtained that is compact and divides up movement, and that has advantageous spring characteristics and a large gas volume.

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First Claim