Importance

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Abstract

A pressure reducing valve of an air damping system of motor vehicle chassis makes available a constant output pressure when the input pressure varies. The pressure reducing valve has a housing with a general longitudinal axis, at least one fluid input opening and at least one axial fluid passage opening. In the housing a valve piston with a valve body is mounted displaceably which forms a seat valve with the axial fluid passage opening. An elastic diaphragm arranged stationarily in the housing is coupled to the valve piston and forms two axially active differential pressure areas. A pressure return passage penetrates the valve piston and guides an output pressure present downstream of the seat valve onto the elastic diaphragm.

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First Claim