Astrium Gmbh

Gerd Bethe

Martin Roth

Arno Voit

A coaxial valve includes an actuating drive, a valve housing ( ), a valve sleeve ( ) that is longitudinally slidable in the valve housing ( ) between open and closed positions, and a closing body ( ) arranged coaxially at one end of the valve sleeve ( ). In the closed position, the valve sleeve seals against the closing body. In the open position, the valve sleeve is spaced from the closing body, to open a valve opening cross-section (V). The actuating drive includes an electric servomotor ( ) with a linear actuator ( ), and a transmission mechanism ( ) for transmitting the linear movement of the actuator to the valve sleeve. The transmission mechanism includes a rocker lever with a first end articulately connected to the linear actuator, a second end articulately connected to the valve housing, and a middle section articulately connected to the valve sleeve.

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Ottobrunn, Germany

Gerd Bethe