Schaeffler Technologies Ag & Co .kg

Herbert Stoeckel

Jens Hoppe

Christoph Ross

Andreas Kufner

Peter Stegmann

An electromagnetic actuating unit for a hydraulic valve with a housing and a closure element. The housing at least partially delimits the electromagnetic actuating unit in relation to the surroundings. The closure element is arranged within an introductory opening of the housing. A sealing-means receptacle is formed on a boundary surface between the housing and the closure element. Furthermore, at least one first channel leads into the sealing-means receptacle and is open towards the surroundings of the actuating unit. A sealing element, which is arranged in the sealing-means receptacle is placed into the sealing-means receptacle via the first channel.

Electromagnetic actuating unit

An electromagnetic hydraulic valve () is provided having a magnetic armature () which is guided in a longitudinally movable fashion in an armature guide () and activates a valve push rod () which extends in a valve housing (). The valve push rod () controls the connection between connection openings (), formed in the valve housing (), for hydraulic medium in that the valve push rod () is operatively connected to one or more sealing bodies () which correspond to one or more sealing sleeves () supported in the valve housing (). The hydraulic valve () includes an arrangement for precipitating particles of dirt, which element includes an intermediate floor (), which is arranged between the armature guide () and the connection openings (). The intermediate floor () forms a hydraulic seal with an inner casing surface () of the valve housing (), and the valve housing () is formed of a magnetizable material in order to precipitate ferromagnetic particles of dirt.

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Graefenberg, Germany

Herbert Stoeckel