Compensation of transverse forces in pneumatic spring struts
AssigneeMannesmann Sachs AG
InventorsMartin Eichhorn, Bruno Deigner
Life of this patent
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Abstract
A spring strut comprises a pneumatic spring and an oscillation damper and is fitted between a vehicle body and a wheel of a vehicle. The oscillation damper has a piston rod movable on an axis and a container concentric to the axis. The pneumatic spring has a spring chamber delimited by a rolling bellows which is firmly connected to the receptacle and to the container or a rolling-contact piston fixed to the container. An end wall that is in operative connection with the oscillation damper is acted upon on one side by the pressure in the spring chamber and has an effective area that extends obliquely to the axis of the oscillation damper and exerts a transverse force that is dependent on the pressure in the spring chamber and is perpendicular to the axis.
Claims9
A spring strut comprising
- an oscillation damper having an axis, a piston rod movable on said axis, and a container concentric to said axis, and
- a pneumatic spring having a central axis which coincides with the axis of the oscillation damper, said pneumatic spring comprising a receptacle arranged sealingly on said piston rod, a rolling bellows fixed between said receptacle and said container, and a spring chamber delimited by said rolling bellows and an end wall which is operatively connected to said oscillation damper and has an effective area which is oblique to said axis, whereby the pressure exerted on the effective area by a gas in said spring chamber results in a force component which is transverse to said axis.
Dependencies are inferred from the claim text.