Rocker valve with pneumatic pre-control

A rocker valve with pneumatic pre-control includes a housing (G) with the pressure means connections (P, A, R, Ps), at least one rocker in the housing which is movable between two final positions about an axis and works together with at least one sealing surface for at least two pressure means conne...

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Bibliographische Detailangaben
Hauptverfasser: VOLLMER JOSEF, FRISCH HERBERT
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A rocker valve with pneumatic pre-control includes a housing (G) with the pressure means connections (P, A, R, Ps), at least one rocker in the housing which is movable between two final positions about an axis and works together with at least one sealing surface for at least two pressure means connections, where one handle of the rocker can be impacted with a pre-control pressure via a pre-control connection and the rocker in one final position connects one working connection (A) with the supply connection (P) and in the other final position with the ventilation connection (R). To achieve the greatest simplicity of construction and space-savings, the highest possible operational security through the best possible sealing-off of the connections and precision as well as short switching times, two working connections (A1,A2) are provided, from which in each of both of the final positions of the rocker one working connection, respectively, is covered by the rocker and the sealing surface, where a working connection (A1) is separable through the rocker from a supply connection (P) and the second working connection (A2) is separable through the rocker from a ventilation connection (R)