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(11) | EP 3 480 375 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | RAINWATER TREATMENT DEVICE |
(57) The disclosure relates to a rainwater treatment device comprising a fluid inlet (11),
a fluid outlet (12), a cartridge accommodation space (20) for removably receiving
a cartridge including a substrate for treating rainwater, a fluid receiving space
(50) for receiving fluid flowing out of the accommodation space (20), the fluid receiving
space (50) being fluidly connected to the fluid outlet (12) by a drainage flow path,
and an overflow damming element (40) provided in the drainage flow path and/or the
fluid receiving space (50) for damming up fluid in the fluid receiving space (50)
and the accommodation space (20) and for reducing a fluid throughput in the drainage
flow path towards the fluid outlet (12) for as long as the overflow damming element
(40) does not overflow.
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