Patent ID: 7637099
Filing Date: 2009-12-29
Classification: F01N

Abstract:
1. A fluid entrainment apparatus for a vehicular exhaust system comprising: a first fluid flow conduit through which a first fluid flows; a second fluid flow conduit spaced from said first fluid flow conduit such that a port is formed between said first and second fluid flow conduits through which a second fluid flows; wherein said second fluid flow conduit includes a nozzle portion having a generally converging bore, a duct portion having a generally cylindrical bore, and a diffuser portion having a generally diverging bore and wherein said nozzle portion of said second fluid flow conduit is mounted with respect to a nozzle portion of said first fluid flow conduit to form said port; wherein at least one of said nozzle portion of said second fluid flow conduit, said duct portion, and said diffuser portion includes a plurality of generally inwardly projecting flow vanes; and wherein said first fluid and said second fluid mix in said second fluid flow conduit.