Engine valve with raised ring or dimple
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United States of America
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-
Jan 4, 2022
Grant Date -
Jun 17, 2021
app pub date -
Dec 17, 2019
filing date -
Dec 17, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An engine valve includes a stem, a head comprising an outer lip surface, a seating surface extending from the outer lip surface toward the stem, and a combustion surface extending from the outer lip surface on the opposite side of the head as compared to the seating surface. The combustion surface includes a first convex arcuate surface spaced away from the outer lip surface, at least partially forming a raised ring, and a first concave arcuate surface spaced away from the outer lip surface, at least partially forming a dimple.
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