Quick oil return cylinder liner
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United States of America Patent
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-
Dec 12, 2023
Grant Date -
Jun 29, 2023
app pub date -
Dec 23, 2022
filing date -
Dec 27, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A quick return oil cylinder liner is disclosed. The cylinder liner includes an elongated cylindrical body having an outer surface and an inner surface defining a liner central axis extending between a first liner axial end and a second liner axial end. The inner surface is configured to form a combustion chamber with a piston and an engine housing. A quick oil return part is arranged on the inner surface of the cylinder liner corresponding to a non-skirt part of the piston. The oil return part is positioned below a position of the inner surface corresponding to an oil blade of an oil ring of the piston when the piston is positioned at a bottom dead center position. The oil return part extends to the second linear axial end and forms at opening at the second liner axial end.
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