VACUUM ROLL WITH INTERNAL ROTARY VALVE

A vacuum roll includes an inner rotor, an intermediate stator, and an outer shell roll. The inner rotor has open and closed portions and is adapted to rotate within the intermediate stator which is rotationally fixed and also has open and closed portions. The outer shell roll has open and closed por...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ADAM NICHOLAS SCHOULTZ, STEVEN TODD MOORE, GERALD KEITH SOSALLA, CHARLES ROBERT SAMPLE, JOSEPH JOHN SINA
Format: Patent
Sprache:eng ; spa
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Beschreibung
Zusammenfassung:A vacuum roll includes an inner rotor, an intermediate stator, and an outer shell roll. The inner rotor has open and closed portions and is adapted to rotate within the intermediate stator which is rotationally fixed and also has open and closed portions. The outer shell roll has open and closed portions and is adapted to move around the intermediate stator. Together the inner rotor and the intermediate stator define an internal rotary valve interface adapted to control fluid communication between the interior chamber and the outer shell. Un rodillo de vacío incluye un rotor interior, un estator intermedio, y un rodillo de cubierta externa. El rotor interior tiene porciones abiertas y cerradas y se adapta para girar dentro del estator intermedio que se fija de manera giratoria y también tiene porciones abiertas y cerradas. El rodillo de cubierta externa tiene porciones abiertas y cerradas y se adapta para moverse por el estator intermedio. Juntos, el rotor interior y el estator intermedio definen una interfaz de válvula giratoria interna adaptada para controlar la comunicación de fluidos entre la cámara interior y la cubierta externa.