Patent ID: 6234154
Filing Date: 2001-05-22
Classification: F01M

Abstract:
An internal combustion engine, comprising:an engine block having a crankshaft housed in a crankcase portion of said engine block, cylinders defined by cylinder walls for housing pistons, a coolant jacket adjacent to said cylinder walls defining a coolant passage through said engine block to transfer heat from said cylinder walls to coolant flowing therethrough, and an integral oil separator adjacent said coolant jacket and in flow communication with said crankcase portion, operable to separate oil from blowby gas and to transfer heat from said coolant passage to said blowby gas, said engine further including a cylinder head mounted on an upper surface of said engine block with a head gasket interposed therebetween, said cylinder head having an intake port to receive intake charge from an intake manifold and an exhaust port for each of said cylinders.