INTERNAL COMBUSTION ENGINE WITH TOP-DOWN COOLING

• Main Authors: Milem, John, Lueders, David, Atwell, Thomas, Hassan, Khairul, Van Farowe, Jason, Konatham, Phani, Heintz, Aaron, Chennagowni, Suresh, Chen, Allen, Subramanian, Parthipan
• Format: Patent
• Language: English; French; German
• Published: 18.08.2021
• Subjects: ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES; BLASTING; COMBUSTION ENGINES; COOLING OF INTERNAL-COMBUSTION ENGINES; COOLING OF MACHINES OR ENGINES IN GENERAL; CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ENGINE PLANTS IN GENERAL; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; WEAPONS

An internal combustion engine (10) having an engine block (12) and one or more cylinder heads (32). The engine block houses a plurality of cylinder liners (14) and includes a cylinder liner coolant jacket (64) below an upper planar surface (30) of the engine block and in fluid communication with the plurality of cylinder liners. The one or more cylinder heads are attached to the upper planar surface of the engine block and each of the one or more cylinder heads including one or more cylinder head coolant jackets (60, 62) and one or more downward coolant passages (66) extending from the one or more cylinder head coolant jackets to the cylinder liner coolant jacket for delivering coolant from the one or more cylinder head coolant jackets to the cylinder liner coolant jacket.