Patent ID: 7740008

Claim:
A mixer assembly for mixing intake air from an intake system with exhaust gas from an exhaust gas recirculation system to yield a mixture stream, comprising: an intake air conduit having an inlet fluidly connected to the intake system; a mixer having an inlet fluidly connected to the exhaust gas recirculation system, the mixer being at least partially disposed in the intake air conduit, the mixer comprising: an outer pipe; and a dividing portion disposed within the outer pipe, the dividing portion providing a first exhaust gas passage and defining a second exhaust gas passage and a third exhaust gas passage on either side of the dividing portion, the first exhaust gas passage having an outlet at a first height within the intake air conduit; the second exhaust gas passage having an outlet at a second height within the intake air conduit, and the third exhaust gas passage having an outlet at a third height within the intake air conduit.