Engine that includes blow-by-gas returning system
AssigneeKubota Corporation
InventorsHiroki OSO, Akira TANAKA, Hideyuki KOYAMA, Rina KANEKO, Nobuyoshi OKADA
Life of this patent
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Abstract
In an engine that includes a blow-by-gas returning system configured to direct blow-by gas within a crankcase to an intake system through an inside of a head cover, the intake system includes a cover intake-passage disposed at a blow-by-gas outlet of the head cover, and the cover intake-passage communicates with a blow-by-gas passage of the blow-by-gas outlet.
Claims20
An engine that includes a blow-by-gas returning system, the engine being configured to direct blow-by gas within a crankcase to an intake system through an inside of a head cover,
- wherein the intake system includes a cover intake-passage disposed at the head cover, and the cover intake-passage communicates with a blow-by-gas passage of the head cover.
An engine that includes a blow-by-gas returning system, the engine being configured to direct blow-by gas within a crankcase to an intake system through an inside of a head cover,
- wherein the intake system includes a cover intake-passage disposed at the head cover, and the cover intake-passage communicates with a blow-by-gas passage of the head cover,
- a bottom wall of the blow-by-gas passage includes a return hole through which oil collected within the blow-by-gas passage drops, and
- the bottom wall includes a descending slope that is around the return hole and becomes lower toward the return hole.
Dependencies are inferred from the claim text.