Lubrication system of internal combustion engine

A lubrication system of an internal combustion engine, said lubrication system comprising:

• an engine oil case independent of the internal combustion engine;
• and
• an engine oil pump disposed in said engine oil case such that an inlet of said engine oil pump is located in proximity of a geometrical center of an interior of said engine oil case, and that engine oil kept in said interior of said engine oil case is conveyed by said engine oil pump to all moving parts of the internal combustion engine via conduits connecting an outlet of said engine oil pump and the moving parts of the internal combustion engine;
• wherein said outlet of said engine oil pump is connected with a high-pressure chamber for keeping high-pressure engine oil;
• wherein a crankshaft of the internal combustion engine is put through said high-pressure chamber and is provided therein with a plurality of conduits in communication with the moving parts of the internal combustion engine.

A lubrication system of an internal combustion engine, having a crankshaft and a crankcase, said lubrication system comprising:

• an enclosed engine oil case independent of and spaced apart from the crankcase;
• and
• an engine oil pump disposed in said engine oil case such that an inlet of said engine oil pump is located in proximity of a geometrical center of an interior of said engine oil case, said engine oil pump being in a abutting engagement and being driven by the crankshaft and wherein engine oil kept in said interior of said engine oil case is conveyed by said engine oil pump to all moving parts of the internal combustion engine through conduits connecting an outlet of said engine oil pump and the moving parts of the internal combustion engine;
• wherein said outlet of said engine oil pump is connected to a high-pressure chamber for maintaining engine oil at a high-pressure;
• wherein the crankshaft of the internal combustion engine is put through said high-pressure chamber and is provided therein with a plurality of conduits in communication with the moving parts of the internal combustion engine.