COOLING STRUCTURE FOR INTERNAL COMBUSTION ENGINE
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United States of America Patent
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Issued Date -
Nov 1, 2018
app pub date -
Apr 10, 2018
filing date -
Apr 27, 2017
priority date (Note) -
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Abstract
The cooling structure for internal combustion engine includes: a cylinder head including a fixing part for fuel injection valve of a cylinder-direct-injection type; a cylinder block; and a water jacket spacer. A surface on a cylinder block side of the cylinder head is recessed so as to be sectioned into a recessed coolant passage communicating with a block-side water jacket formed in the cylinder block. The recessed coolant passage surrounds periphery of the fixing part for the fuel injection valve. An edge on a cylinder head side of the water jacket spacer that is disposed in the block-side water jacket is provided with projection projecting toward the recessed coolant passage so as to direct at least part of the coolant flowing inside the block-side water jacket toward the recessed coolant passage.
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