INSERT, HOLDER AND AFTERTREATMENT UNIT FOR EXHAUST GASES Russian patent published in 2015 - IPC F01N3/00 

FIELD: transport.

SUBSTANCE: set of inventions relates to vehicle devices. Insert for holder in aftertreatment unit for exhaust gases of internal combustion engine contains bushing for treatment component intended for passing exhaust gases through it which gases should be treated, connecting facilities to hold insert in required position in holder, and seals for gas-tight sealing of bushing relative to holder. The seals contain O-ring on bushing to interact in self-aligning fitment engagement with opposite O-ring in the holder. The O-ring is located in angular notch of bushing, while connecting facilities contain threaded connection having male thread on the bushing for engagement with thread on holder, where external end of bushing has notch located at the periphery for connecting and disconnecting tool.

EFFECT: higher reliability of sealing in connection.

8 cl, 8 dwg