Helical exhaust passage

Details Helical exhaust passage Helical exhaust passage

2011-07-05

2011-07-05

Tran, Binh Q. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Divider, collector, valve means, or boundary layer device...

C060S274000, C060S286000, C060S287000, C060S301000, C060S305000

Reexamination Certificate

active

07971433

ABSTRACT:
A system and method for treating exhaust gasses from an engine is described. In one example, the exhaust gasses are routed from the engine to atmosphere through a helical exhaust passage. The helical exhaust passage includes a plurality of spatially separated exhaust passages that separates the exhaust flow into separated smaller flows, wherein the smaller flows are re-introduced into a common passage and re-combined to form a single exhaust flow, and wherein the plurality of spatially separated exhaust passages induces a helical flow pattern within the re-combined exhaust flow.

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