Patent ID: 7275511
Filing Date: 2007-10-02
Classification: F02B,F02M

Abstract:
1. An intake assembly for a sequentially fired eight cylinder V-type internal combustion engine including a cylinder block having a first bank of cylinders and a second bank of cylinders wherein the first bank of cylinders defines the first, third, fifth, and seventh cylinder positioned sequentially from a first end to a second end of the engine and wherein the second bank of cylinders defines the second, fourth, sixth, and eighth cylinder positioned sequentially from the first end to the second end of the engine, the intake assembly comprising: first and second intake plenums mounted with respect to the engine, wherein each of said first and second intake plenums are operable to communicate intake air to at least one of the first, third, fifth, and seventh cylinders; third and fourth intake plenums mounted with respect to the engine, wherein each of said third and fourth intake plenums are operable to communicate said intake air to at least one of the second, fourth, sixth, and eighth cylinders; wherein the first bank of cylinders includes a first group of two cylinders that fire ninety crank angle degrees apart from each other and wherein the second bank of cylinders includes a second group of two cylinders that fire ninety crank angle degrees apart from each other; wherein said first intake plenum is operable to communicate said intake air to one cylinder of said first group of two cylinders and wherein said second intake plenum is operable to communicate said intake air to another cylinder of said first group of two cylinders; wherein said third intake plenum is operable to communicate said intake air to one cylinder of said second group of two cylinders and wherein said fourth intake plenum is operable to communicate said intake air to another cylinder of said second group of two cylinders; wherein the engine is configured according to one of the following: