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发明授权
CN105263836B 具有内部旋转阀的真空辊 有权

具有内部旋转阀的真空辊
摘要：
一种真空辊具有内转动体、中间固定体和外辊套。该内转动体具有敞通部分和封闭部分并适于在该中间固定体内转动，该中间固定体被不可旋转地固定并也具有敞通部分和封闭部分。该外辊套具有敞通部分和封闭部分并适于绕该中间固定体运动。所述内转动体和中间固定体共同限定出适于控制所述内腔和外辊套之间的流体连通的内部旋转阀界面。
摘要（英）：

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.

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