Patent ID: 8760659
Filing Date: 2014-06-24
Classification: A47L,D06F,G01N

Abstract:
1. An optical turbidity sensor comprising a casing accommodating photo emitting means and photo receiving means therein; wherein the photo emitting means and the photo receiving means are arranged side-by-side on a same first side of the casing facing to, and spaced from, a reflecting surface carried by a second side of the casing opposite the first side and adapted to receive a radiation from the photo emitting means for reflecting the radiation towards the photo receiving means, wherein said casing comprises first and second substantially cylindrical elements, concentrically fitted the first substantially cylindrical element within the second substantially cylindrical element, the respective concavities facing a same direction; a bottom wall of the second substantially cylindrical element defining said first side of the casing and being provided, on a side opposite to the first substantially cylindrical element, with a frame consisting of at least one pair of opposite side members carrying, at a predetermined distance apart from said bottom wall and in a position facing the same first side of the casing, a bridge member defining the second side of the casing.