Phoenix Aktiengesellschaft

J&uuml;rgen Berg

The invention relates to a pneumatic suspension system ( ) comprising at least the following parts: pneumatic suspension bellows ( ) made of an elastomer material encompassing a volume-variable air chamber ( ); a pneumatic suspension lid ( ) to which one end of the pneumatic suspension bellows is fixed by means of a clamping ring ( ) or the like; a pneumatic suspension piston ( ) to which the other end of the pneumatic suspension bellows ( ) is also fixed by means of a clamping ring ( ) or the like and on whose outer wall the pneumatic suspension bellows can roll ( ) by forming a rolling contour; a wheel guide element ( ); a hinge ( ) serving as steering means in relation to the wheel guide element ( ) and a body ( ), wherein the pneumatic suspension parts are disposed in such a way that only one hinge ( ) is provided as a steering element in relation to the wheel guide element ( ) inside the pneumatic suspension system ( ) without requiring any centric restricted guidance. Several advantageous embodiments are disclosed.

Pneumatic suspension system

This invention concerns a pneumatic spring consisting of a hose roll bellows of elastomer material which is equipped, in particular, with stiffening supports. The ends of the hose roll bellows are pushed onto a connecting element and attached there by a radially ductile clamping ring particularly made out of metal. According to the invention, the connecting element and/or clamping ring are made thicker with a covering elastomer strip in the area of clamping. The elastomer strip is a component which is separate from the hose roll bellows. Several variants are presented.

Pneumatic spring with a hose rolling bellows

A pneumatic suspension system forming a McPherson strut has a pneumatic suspension pot with an integrated strut bearing, pneumatic suspension bellows made of an elastomer material, a pneumatic suspension piston, an outer guide and a damping device. The essential features of the system are: the pneumatic suspension bellows have an inclined loop whose effective diameter defined by the top and bottom extremes of the loop is substantially perpendicular to the force application line. The outer surface of the pneumatic suspension piston has cylindrical and conical parts which form a rolling contour which is not rotationally symmetrical with respect to the damping axis and which is adapted to the effective diameter of the inclined loop of the pneumatic suspension bellows in that the effective diameter is substantially parallel to the preferably rounded edges of the rolling contour. The outer guide completely surrounds the inclined loop of the pneumatic suspension bellows during both rebound and spring deflection.

Growing community of inventors

Barsbüttel, Germany

Jürgen Berg

Growing community of inventors

Barsbüttel, Germany

J&uuml;rgen Berg

Jürgen Berg