LOCKING ELEMENT FOR FILTERING ELEMENT CLEANING Russian patent published in 2021 - IPC B01D29/11 F02M37/32 

FIELD: filtration.

SUBSTANCE: filtering element comprises tubular element (26), first and second end covers (42, 46), each being connected to tubular element (26) opposite end, filtering material (50) arranged around tubular member (26) and between the first and second end covers, a pressing member coupled to the tubular member, and retaining element (34) located at first end of tubular element. Retaining member (34) comprises a retaining opening including a central circular portion and two opposite transverse grooves, extending from opposite sides of central circular section, two arched support segments extending between opposite sides of two opposite transverse slots, complete projection extending at first axial distance from lower surface of one of two arched support segments in circumferential position in middle between two opposite transverse slots, incomplete projection extending to second axial distance smaller than first axial distance, from the lower surface of the other of the two arched support segments in the circumferential position on the opposite side of the transverse slots from the full projection. Housing filter assembly comprises a filter element, housing (14), selectively connected to and detached from filtering element, and coupling (86) connected to housing (14) and capable of interconnecting and disconnecting filter element with housing by relative displacement of housing and filter element.

EFFECT: providing reliable connection.

10 cl, 14 dwg