FILTER ELEMENT CLEANING SHUTOFF MECHANISM Russian patent published in 2024 - IPC B01D27/08 F02M37/32 F02M37/42 F01M1/10 

FIELD: machine building.

SUBSTANCE: invention relates to a locking mechanism for cleaning a filter element. Connecting unit is made with the possibility of connection of filtering element (16) to filter housing (14) and contains coupling (86) made with possibility of connection to filter housing (14). Retaining element (34) is made with possibility of pressing or made integral with filtering element (14). Retaining element (34) comprises retaining opening (96) capable of accommodating a portion of coupling (86) including central circular portion (98) and two opposite transverse slots (100) extending from opposite sides of central circular portion (98); two arched support segments (110) extending between opposite sides of two opposite transverse slots (100); full projection (220) extending for a first axial distance from the lower surface of one of the two arched support segments (110) in a circumferential position between two opposite transverse slots (100); incomplete protrusion (222) extending to a second axial distance smaller than the first axial distance, from the lower surface of the other of the two arc-shaped support segments (110) in a circumferential position on the opposite side of transverse slots (100) from full projection (220). Embodiments of the connection assembly are also disclosed.

EFFECT: simplified maintenance.

20 cl, 14 dwg