Back to results
US 12,460,599 B2Granted
Crankcase and internal combustion engine with such a crankcase
AssigneesDeutz Aktiengesellschaft, Deere & Company
InventorMarco Sliwa
Life of this patent
Estimating the term…
Abstract
A crankcase for an internal combustion engine, including a cast body made of a cast material, a cylinder bore which is formed into the cast body along a cylinder axis and which is delimited by a cylinder track, and a cylinder run-in surface of the cast body. The cylinder track merges into the cylinder run-in surface. The cylinder track is formed by the cast material in a machined state. The cylinder run-in surface is formed by the cast material in an unmachined state.
Claims14
A crankcase for an internal combustion engine comprising:
- a cast body made of a cast material;
- a cylinder bore formed into the cast body along a cylinder axis, the cylinder bore being delimited by a cylinder track;
- and
- a cylinder run-in surface of the cast body, the cylinder track merging into the cylinder run-in surface,
- the cylinder track being formed by the cast material in a machined state, and
- the cylinder run-in surface being formed by the cast material in an unmachined state,
- wherein the cylinder run-in surface defines a funnel recess of the cast body, which merges into the cylinder bore and which widens in a direction of the cylinder axis away from the cylinder bore in a funnel shape.
4 more elements
Dependencies are inferred from the claim text.