Piston design feature to minimize periodic second land pressure variation
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United States of America
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Apr 19, 2022
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app pub date -
Nov 11, 2020
filing date -
Nov 11, 2020
priority date (Note) -
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Abstract
A piston includes an annular body including a crown portion defining a longitudinal axis, a radial direction perpendicular to the longitudinal axis, and a circumferential direction. The crown portion includes a top squish surface, and a circumferential annular wall extending downwardly axially from the top squish surface as well as a skirt. A first piston ring receiving groove is spaced away from the top squish surface, an upper land and a lower land extend from the first piston ring receiving groove, and a bottom blend connects the lower land to the first piston ring receiving groove.
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