Water jacket of engine and engine cooling system having the same
AssigneesHyundai Motor Company, Kia Motors Corporation
InventorIl Jung
Life of this patent
Estimating the term…
Abstract
A water jacket of an engine may include: a block-side water jacket formed in a cylinder block of the engine and surrounding a cylinder of the cylinder block; and a head-side water jacket formed in a cylinder head of the engine and surrounding a combustion chamber and an exhaust port of the cylinder head. In particular, the head-side water jacket includes: a first coolant passage surrounding the combustion chamber of the cylinder head, and a second coolant passage surrounding the exhaust port of the cylinder head, and the second coolant passage is fluidly separated from the first coolant passage.
Claims10
An engine cooling system, comprising:
- an engine including:
- a cylinder block having a block-side water jacket, and a cylinder head having a first coolant passage surrounding a combustion chamber of the cylinder head, and a second coolant passage surrounding an exhaust port of the cylinder head;
- a first coolant loop communicating with the block-side water jacket and the first coolant passage of the head-side water jacket;
- a second coolant loop communicating with the second coolant passage of the head-side water jacket;
- and
- a coolant control valve controlling a flow direction and a flow rate of a coolant circulating through the first coolant loop and the second coolant loop,
- wherein the coolant control valve is configured to:
- receive the coolant having circulated the second coolant loop and directly send the received coolant to the second coolant passage, and
- directly receive the coolant from the first coolant passage and send to the first coolant loop.
Dependencies are inferred from the claim text.