Cooling device for engine
AssigneeToyota Jidosha Kabushiki Kaisha
InventorDaishi Takahashi
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Abstract
A cooling device for engine includes: an engine having a cylinder block, a cylinder head and a gasket, the gasket being provided between the cylinder block and the cylinder head and having a high thermal conductivity member allowing heat transfer between an upper part of a cylinder and the cylinder head with a heat transfer rate higher than the other part, a partial W/J being provided around the high thermal conductivity member; and an ECU performing a control for changing flow condition of cooling medium flowing in the partial W/J, according to combustion engine operation condition.
Claims6
A cooling device for engine comprising:
- an engine having a cylinder block, a cylinder head, and a gasket, the gasket being provided between the cylinder block and the cylinder head and having a heat transfer allowing portion allowing heat transfer between an upper part of a cylinder of the cylinder block and the cylinder head with a heat transfer rate higher than the other part, a cooling medium pathway being provided around the heat transfer allowing portion in the cylinder head;
- and
- a control portion performing a control for changing flow condition of cooling medium flowing in the cooling medium pathway, according to combustion engine operation condition.
Dependencies are inferred from the claim text.