Patent ID: 6209508
Filing Date: 2001-04-03
Classification: F01M,F02B

Abstract:
An engine system comprising:a four-cycle, internal combustion engine including a combustion system and a lubrication system;a single fuel tank for holding a reservoir of fuel, said fuel to be used as a combustive agent and a lubricant;a first fluid path for transporting the fuel from said fuel tank directly to said lubrication system for lubricating the engine, said lubrication system including a lubricant pan for receiving and holding the fuel;a second fluid path for transporting the fuel from said fuel tank directly to said combustion system for combustion;a third fluid path for transporting the fuel in the lubricant pan of said lubrication system to said combustion system for combustion; anda valve preventing the flow of fuel from the lubricant pan and through the third fluid path when the fuel reaches a certain minimum depth in the lubricant pan.