| 摘要 |
A built in ventilation toilet seat. It consisted with a tube embedded in the center through out the ring, following the contour of the ring, with an opening at the rear. Small homes vertically and diagonally drilled along the underside aligned with the main embedded tube in the toilet seat. So the suction air duration is downward toward the toilet bowl. This way it wouldn't be much sensitive for the user when the suctioning goes on. Hose and pipes connected from the toilet seat through the wall to the outside of the bathroom, to the vacuum unit. And another pipe with a curve end is connected from the top of the vacuum unit up in the air to release the Oder. The vacuum unit is equipped with an automatically control switch. So when there is no user the unit will shut down after one or two minutes. Through this process the Oder will be immediately suck out and release to the outside of the room, so there wouldn't be any Oder left after each use. No filter is necessary at all.
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