초록 ▼

A dual circuit cooling system for a vehicle having an engine and a turbocharger aftercooler includes a modular radiator system having partitions in the tanks of the radiator. The partitions create separate radiator sections, and the partitions contain orifices that provide a crossover function betwe

A dual circuit cooling system for a vehicle having an engine and a turbocharger aftercooler includes a modular radiator system having partitions in the tanks of the radiator. The partitions create separate radiator sections, and the partitions contain orifices that provide a crossover function between the sections. During cooler engine operating temperatures the engine thermostat closes which causes engine coolant to be circulated mainly within the engine, and which also causes pressure downstream of the thermostat to drop. The reduced pressure allows coolant from the aftercooler circuit to pass through a first crossover and circulate through the main radiator, then through a second crossover and back to the aftercooler circuit. During higher engine temperatures the thermostat opens, equalizing pressure between the circuits, thus creating normal flow through the circuits.

대표청구항 ▼

[ What is claimed is:] [1.] A cooling system for an engine and an aftercooler associated with the engine comprising:at least a primary radiator having at least one primary radiator outlet and at least one primary radiator inlet;at least one jacket water (JW) pump disposed for pumping coolant from th

[ What is claimed is:] [1.] A cooling system for an engine and an aftercooler associated with the engine comprising:at least a primary radiator having at least one primary radiator outlet and at least one primary radiator inlet;at least one jacket water (JW) pump disposed for pumping coolant from the primary radiate outlet to the engine;at least one upstream secondary radiator having at least one secondary radiator inlet in communication with the aftercooler, the secondary radiator also having at least one secondary radiator outlet communicating with the aftercooler;at least a first crossover establishing a pathway for fluid communication between the primary radiator outlet and the secondary radiator outlet;at least a second crossover establishing a pathway for fluid communication between the primary radiator inlet and an outlet of the aftercooler; andat least a downstream secondary radiator in fluid communication with the upstream secondary radiator via an interconnect, the first crossover establishing fluid communication between the interconnect and the primary radiator outlet.