Patent ID: 7718056

Claim:
Separator for removing impurities, especially smaller particles, from rain water, said separator comprising a first reservoir having an inflow and a second reservoir having an outflow, and where the first reservoir performs the function of removing big size impurities, a lamellar device provided in the first reservoir, wherein small amounts of impurities in the rain water may be combined to a major amount of impurities, whereby the second reservoir is divided into a first chamber and a second chamber, said chambers separated by a vertical baffle communicating with each other beneath said baffle, the first chamber provided with a horizontally-arranged filter separating the first and second chambers, characterized in that a tube provided with perforations is arranged above the lamellar device, through which rain water containing impurities is able to flow from the first reservoir and into the first chamber and then exit the second chamber after having passed the filter.