Internal combustion engine
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United States of America Patent
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-
Jun 4, 2024
Grant Date -
Oct 19, 2023
app pub date -
Mar 30, 2023
filing date -
Apr 13, 2022
priority date (Note) -
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Abstract
An internal combustion engine includes: a cylinder in which a piston reciprocates; a cylinder head positioned above the cylinder; a gasket disposed between the cylinder and the cylinder head; a stepped portion that is formed at an upper end portion of an inner peripheral surface of the cylinder and positioned below the gasket; a ring member having a cylindrical shape provided to the stepped portion; and a protrusion portion that is formed in a manner to protrude from the ring member and bites into a lower surface of the gasket.
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