ICE EXHAUST DEVICE Russian patent published in 2011 - IPC F01N3/26 

FIELD: engines and pumps.

SUBSTANCE: exhaust device comprises exhaust branch pipes, each being communicated with appropriate engine cylinder, thermal reactor that has housing, intercommunicated toroidal and auxiliary chambers. Auxiliary chamber communicates with exhaust pipe. Chamber are arranged in the housing in parallel and intercommunicated by duct made in said housing. Auxiliary chamber is a scroll chamber, while exhaust branch pipes are tangential and arranged regularly along toroidal chamber edges. Branch pipes accommodate turbuliser grids, while scroll chamber houses steam feed duct. Scroll chamber outlet incorporates unburnt particles collector formed by chamber surface and exhaust pipe cowl fitted into the chamber. Said collector is communicated via circulation channels with toroidal chamber.

EFFECT: simplified design, higher efficiency of exhaust gas cleaning, reduced counter pressure effects.

2 cl, 3 dwg