STRUCTURAL UNIT FOR TREATING EXHAUST GASES Russian patent published in 2021 - IPC F01N13/18 

FIELD: gas industry.

SUBSTANCE: structural unit for treating exhaust gases for a gas exhaust system of an internal combustion engine has an outer casing elongated in the direction of the longitudinal axis (L_A), having the shape of a pipe, an outer casing (12), elongated in the direction of the longitudinal axis (L_I) of the inner casing, having a pipe shape, an inner housing (14), moreover, a unit (16) for processing exhaust gases is placed in the inner housing (14). The structural unit has a locking and fixing device (24) for detachable fastening of the inner housing in the outer housing, and the locking and fixing device (24) has at least one locking and fixing element (26) held on the inner housing (14) in both axial directions with at least one locking and gripping zone (28) preloading in the radially outward direction, and, in addition, at least one locking and gripping zone (28) of at least one locking and fixing element (26), interacting in at least one axial direction with a locking and gripping zone (28) for holding the inner body (14) in the outer body (12). There is a locking and receiving area (42) on the outer body (12).

EFFECT: invention effectively treats exhaust gases.

28 cl, 39 dwg