Cylinder head structure of internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America
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Dec 21, 2021
Grant Date -
Jun 17, 2021
app pub date -
Oct 30, 2020
filing date -
Oct 30, 2020
priority date (Note) -
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Abstract
A spark plug includes a ground electrode, an insulator, and a center electrode. In a case where a first position of a surface of the ground electrode exposed to a side of an inner wall surface of a cylinder head is a most downstream position in an air flow direction between the center electrode and the ground electrode, and a second position of the inner wall surface of the cylinder head is a position closest to the center electrode on a downstream side of the center electrode in an air flow direction, the spark plug is installed at a position where the first position and the second position are on a same air flow line, or at a position where the first position is recessed to a side where the first position recedes from the inner wall surface than the second position.
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