Internal combustion engine with combustion by injecting fuel into a compressed combustion chamber that includes a hollow duct
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United States of America Patent
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Oct 20, 2020
Grant Date -
Sep 12, 2019
app pub date -
Jan 7, 2019
filing date -
Mar 7, 2018
priority date (Note) -
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Abstract
An internal combustion engine includes a fuel injection nozzle provided with a nozzle hole for injecting fuel, the nozzle hole exposed from a cylinder head of the internal combustion engine to a combustion chamber, and a hollow duct, an inlet and an outlet of which are exposed to the combustion chamber. The duct is provided in a manner allowing fuel spray injected from the nozzle hole of the fuel injection nozzle to pass through from the inlet to the outlet. The fuel injection nozzle and the duct are configured such that a part of fuel spray that is injected in pilot injection that is performed before main injection directly adheres to an inner wall surface of the duct.
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