SUMP DESIGN Russian patent published in 2012 - IPC E03C1/12 E03F5/06 

FIELD: construction.

SUBSTANCE: sump equipped with a perforated filter for discharge of drains from a floor well via an outlet nozzle mounted under the floor level into a sewage system, comprises a case of sheet material, a residue level link combined with an outlet hole, the edge of which is located below the ledge in the outlet nozzle, forming a hydraulic lock adjacent to the case bottom arranged at the angle of 45° to the horizon. The outlet hole is made in the inclined bottom, and the residue level link mounted above has a shape of a "П"-shaped pocket open at the side of the hydraulic lock, at the same time the mount flange of the outlet nozzle, which has the shape of a connecting elbow, is bevelled at the angle of 45° to the longitudinal axis and is attached to the inclined bottom coaxial-outlet hole.

EFFECT: invention design makes it possible to built it into floor slabs of a premises and into constrained volumes of the existing production facility.

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