Engine system
AssigneeYanmar Holdings Co., Ltd.
InventorsYoshimitsu MATSURA, Yoshinori FUKUI, Eito YAMAGUCHI, Yuki KOBAYASHI, Shinnosuke MIYAZAKI
Life of this patent
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Abstract
An engine system in which blow-by gas with a specific gravity less than 1 with reference to air is generatable includes a cylinder block. The cylinder block includes a cylinder and a crank chamber which are arranged in an up/down direction, the crank chamber being positioned below the cylinder. An internal peripheral face of the cylinder block has a ventilation port that connects to a ventilation passage that connects an internal space of the crank chamber with an external space out of the cylinder block, and that is open. The ventilation port is placed above a center in the up/down direction in the crank chamber.
Claims6
An engine system in which blow-by gas with a specific gravity less than 1 with reference to air is generatable, the engine system comprising:
- a cylinder block including a cylinder row consisting of a plurality of cylinders;
- a crank chamber located below the plurality of cylinders;
- and
- a ventilation port connected to a ventilation passage that connects an internal space of the cylinder block and an external space of the cylinder block,
- wherein the ventilation port is placed above a lower end of the cylinder.
Dependencies are inferred from the claim text.