Patent ID: 7533653
Filing Date: 2009-05-19
Classification: F02D,F02M

Abstract:
1. An intake air control system for a V-type internal combustion engine of the type having a crankshaft; front and rear banks exhibiting a V-shaped section when viewed in an axial direction of the crankshaft, said V-shaped section defining a V-shaped space therein; and a plurality of cylinders formed on each of the front and rear banks; each of said cylinders having a cylinder head; front and rear intake ports formed in the respective front and rear cylinder heads; wherein said intake air control system is disposed in the V-shaped space; said intake system comprising front and rear throttle bodies respectively having front and rear throttle valves mounted thereon; and a plurality of electrically-operated actuators; each of said electrically-operated actuators driving at least one of the throttle valves; wherein the electrically-operated actuators comprise electric motors which are respectively situated in an upper portion of the V-shaped space between the cylinder heads of the front and rear banks, the electric motors comprising at least one front electric motor operatively associated with the front bank and at least one rear electric motor operatively associated with the rear bank, and wherein the throttle bodies are situated between the front and rear electric motors.