SIFTING DEVICE CONTAINING FRAME ELEMENTS WITH INCLINED SURFACE OR INCLINED SURFACES Russian patent published in 2017 - IPC B01D33/03 

FIELD: technological processes.

SUBSTANCE: disclosed systems, devices, apparatus and/or methods refer to siftng devices comprising frame elements with inclined surface or inclined surfaces for drilling media. In some examples, the device may comprise a frame and a mesh. The frame can have opposite ends, opposite sides and a plurality of frame elements connected to the opposite ends and extending between them. A part or a section of this plurality of frame elements can pass through the mesh and can be connected to this mesh. This plurality of frame elements have at least one surface inclined downwardly relative to the mesh and a part of said plurality of frame elements above or behind the mesh is attached to the mesh.

EFFECT: filtration by sifting contaminants from the drilling fluid during the operation of vibrating unit.

12 cl, 9 dwg