Patent ID: 6155229
Filing Date: 2000-12-05
Classification: F02B,Y02T

Abstract:
An internal combustion engine comprising:a six-cylinder engine block having six cylinders arranged in a V-6 configuration;a cylinder head attached to said engine block, said cylinder head having a lower surface adjacent each of said cylinders;a lower intake manifold attached to said cylinder head;an upper intake manifold attached to said lower intake manifold;six intake passageways extending through said upper intake manifold, said lower intake manifold and said cylinder head, each of said passageways being in communication with one of said cylinders;each of said intake passageways being divided into two channels at least in said cylinder head;a pair of intake ports in said lower surface of said cylinder head adjacent each of said cylinders; one of said pair of intake ports being positioned in each of said channels;an intake valve positioned in each of said intake ports;a control valve positioned in each of said six passageways in said upper intake manifold for controlling the flow of intake air through said passageways and into said six cylinders;each of said control valves having a throttle plate attached to a rotatable shaft member; anda plurality of fuel injectors positioned in said lower intake manifold for injecting fuel into each of said intake passageways;said two channels forming each of said intake passageways extending at least into said lower intake manifold.