Sensor for a roller track and method for recognizing objects located on a roller track
US-2017123057-A1 · May 4, 2017 · US
US8939445B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8939445-B2 |
| Application number | US-201313905802-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 30, 2013 |
| Priority date | May 30, 2013 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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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.
Opening claim text (preview).
The invention claimed is: 1. A vacuum roll comprising, an inner rotor, an intermediate stator, and an outer shell roll, wherein the inner rotor is adapted to rotate around a first axis and defines an interior chamber, an open portion, and a closed portion, in a circumferential direction, the intermediate stator is rotationally fixed and has a second axis and surrounds the inner rotor, the intermediate stator defines an open portion and a closed portion in the circumferential d…
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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