SUBMERSIBLE DEVICE FOR FILTERING SWIMMING POOL Russian patent published in 2022 - IPC B01D24/12 B01D24/46 E04H4/12 

FIELD: filtering devices.

SUBSTANCE: invention is intended for filtering pool water. Submersible device (100) for filtering pool water contains filtration reel (10), which has first end (11) for receiving water to be filtered from the pool and second end for connecting to the first outlet pipe for filtered water; valve module (30), which is rigidly attached to first end (11) of filtration reel (10) to block the backflow of water through first end (11) during flushing of filtration reel (10) with the backflow; a drainage pipe, which is in communication with the filtration reel for the removal of water from the filtration reel during backflow flushing. The filtration reel is cylindrical. Valve module (30) contains valve (32), which is made with the possibility of movement along rod (33) parallel to the axis of the filtration reel to open or close a valve hole, while the diameter of the specified valve hole is between 50% and 90% of the diameter of the cross-section of the filtration reel.

EFFECT: efficient and reliable backflow wash flushing of the filter.

15 cl, 16 dwg