One-piece engine block
AssigneeVolkswagenwerk Aktiengesellschaft
InventorsHermann Kruger, Hermann Deutsch
Life of this patent
Estimating the term…
Abstract
An internal-combustion engine includes an engine block, a plurality of parallel cylinders and oil chambers defined in the engine block; intake valves, exhaust valves, overhead valve controls and crankshaft bearings supported in the engine block as well as a pump supported in the engine block for delivering oil through the oil chambers for cooling the engine. The engine block is a single-piece cast component in which the oil chambers extend adjacent and parallel to the cylinders and are accessible from opposite sides of the engine block where the crankshaft bearings and the valve controls are supported.
Claims11
An internal combustion engine comprising a single-piece cast engine block;
- a plurality of parallel cylinders and cooling chambers defined in the single-piece cast engine block;
- said cooling chambers extending adjacent and parallel to said cylinders and using solely oil as a liquid coolant;
- intake valves, exhaust valves, overhead valve control means and crankshaft bearings supported in said one-piece cast engine block;
- said cooling chambers being accessible from opposite sides of said one-piece cast engine block where said crankshaft bearings and said valve control means are supported;
- said one-piece cast engine block further defining at least one oil port arranged at a height level of said valve control means.
Dependencies are inferred from the claim text.