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US 12,297,790 B2Granted
Engine and flywheel housing
AssigneeYanmar Holdings Co., Ltd.
InventorsYu Hirao, Shinya Matsuo
Life of this patent
Estimating the term…
Abstract
An engine includes: a cylinder block that has a cylinder included in a combustion chamber; a crankshaft that is placed in the cylinder block; a flywheel that is mounted to one end portion of the crankshaft; and a flywheel housing that is placed on a side of one end face of the cylinder block in a direction of the crankshaft and that houses the flywheel. The flywheel housing has a blow-by gas path through which a blow-by gas passes.
Claims18
An engine comprising:
- a cylinder block that has a cylinder included in a combustion chamber, wherein the cylinder block includes a discharge port and a crankshaft opening;
- a crankshaft, wherein a portion of the crankshaft is positioned in the crankshaft opening of the cylinder block;
- a fuel pump;
- a flywheel that is mounted to one end portion of the crankshaft;
- and
- a flywheel housing that is positioned on a side of one end face of the cylinder block in a direction of the crankshaft and that houses the flywheel,
- wherein the flywheel housing defines, within an interior of the flywheel housing, a blow-by gas path through which blow-by gas passes, wherein the blow-by gas path is further defined by a member configured to support the fuel pump, wherein the flywheel housing is positioned such that a blow-by gas discharged from the discharge port is received in the blow-by gas path, and wherein the blow-by gas path is configured such that blow-by gas discharged from the flywheel housing includes a gas component and an oil component.
4 more elements
A flywheel housing configured to house a flywheel provided in an engine,
- the flywheel housing defining, within an interior of the flywheel housing, a blow-by gas path through which blow-by gas passes,
- wherein the flywheel housing is configured to be coupled to a cylinder block of the engine such that, when the flywheel housing is coupled to the cylinder block, the blow-by gas path is configured to receive a blow-by gas that is discharged from a discharge port of the cylinder block,
- wherein the flywheel housing is configured to be coupled to a support member such that the flywheel housing and the support member define the blow-by gas path, and wherein the support member is configured to support a fuel pump, and
- wherein the blow-by gas path is configured such that blow-by gas discharged from the flywheel housing includes a gas component and an oil component.
1 more element
An engine comprising:
- a cylinder block that has a cylinder included in a combustion chamber, wherein the cylinder block includes a discharge port and a crankshaft opening;
- a crankshaft, wherein a portion of the crankshaft is positioned in the crankshaft opening of the cylinder block;
- an oil separator;
- a flywheel that is mounted to one end portion of the crankshaft;
- and
- a flywheel housing that is positioned on a side of one end face of the cylinder block in a direction of the crankshaft and that houses the flywheel,
- wherein the flywheel housing defines, within an interior of the flywheel housing, a blow-by gas path through which blow-by gas passes,
- wherein the flywheel housing is positioned such that a blow-by gas discharged from the discharge port is received in the blow-by gas path,
- wherein the blow-by gas path is configured such that blow-by gas discharged from the flywheel housing includes a gas component and an oil component, and
- wherein blow-by gas discharged from the flywheel housing is directed to the oil separator via one or more pipes.
7 more elements
Dependencies are inferred from the claim text.