Patent ID: 8061309
Filing Date: 2011-11-22
Classification: F01P

Abstract:
1. An internal combustion engine with a cooling circuit, comprising: a water jacket portion in a cylinder block; a water jacket portion in a cylinder head having an intake portion and an exhaust portion; an outlet housing coupled to the intake and exhaust portions; a cylinder head outlet controller coupled to the outlet housing wherein coolant from the intake portion and coolant from the exhaust portion mix upstream of the cylinder head outlet controller; a coolant pump providing flow to a first branch and a second branch of the cooling circuit wherein the first branch is coupled to the exhaust portion of the water jacket portion in the cylinder head and the second branch is coupled to the water jacket portion in the cylinder block; and a block thermostat located in the second branch downstream of the coolant pump and upstream of the water jacket portion in the cylinder block wherein the intake portion of the water jacket portion in the cylinder head is fluidly coupled to the water jacket portion in the cylinder block.