Patent ID: 6446585
Filing Date: 2002-09-10
Classification: F01P,F02B,F02M

Abstract:
An intake manifold for a compact internal combustion engine comprising:a pair of integrally formed arms extending outward in substantially opposite directions from a centrally positioned carburetor flange and terminating in respective ends; an air passageway formed in the arms and defining an air inlet in the carburetor flange, the air passageway connecting the carburetor flange to the end of each arm to define respective air outlets thereat; a coolant chamber integrally formed with the arms and positioned between the ends of the arms; a coolant passageway formed in the arms and defining respective coolant inlets at the ends of the arms, the coolant passageway connecting each coolant inlet to the coolant chamber; a first coolant path for connecting the coolant chamber to a radiator; a second coolant path for connecting the coolant chamber to a coolant pump; and a thermostatic valve disposed in the coolant chamber and operable to couple engine coolant received through the coolant passageway to the first and second coolant paths as a function of engine coolant temperature.