초록 ▼

The invention is designed for use with a diesel engine in over-the-road trucks and periodically extracts a given quantity of oil from the oil pan of the engine and injects that quantity into the fuel tank for burning along with the regular fuel. In turn, an automatic oil level sensing device keeps t

The invention is designed for use with a diesel engine in over-the-road trucks and periodically extracts a given quantity of oil from the oil pan of the engine and injects that quantity into the fuel tank for burning along with the regular fuel. In turn, an automatic oil level sensing device keeps the proper level of oil in the pan thus ensuring a constant infusion of fresh oil into the engine\s oil supply as well as a periodic purging of old oil.

대표청구항 ▼

An oil changing system for automatically metering control amounts of engine lubricating oil into the diesel fuel supply of diesel engines as the engine operates, comprising: a fuel tank remote from the engine containing diesel fuel oil; an engine lubrication system containing a predetermined quantit

An oil changing system for automatically metering control amounts of engine lubricating oil into the diesel fuel supply of diesel engines as the engine operates, comprising: a fuel tank remote from the engine containing diesel fuel oil; an engine lubrication system containing a predetermined quantity of a lubricating oil different from said diesel fuel oil and including an oil pan; control means for generating a regular, periodic signal at preset time intervals during engine operation, said time intervals corresponding to a predetermined oil change interval to provide for desired oil removal from said engine lubrication system; fixed displacement pump means communicating with said engine lubrication system and with said fuel tank, said pump means being intermittently operable in response to said signal during engine operation for a controlled, limited duration in response to each periodic signal generated to withdraw a limited, predetermined amount of said lubricating oil from said engine lubrication system and to transport said limited amount into said fuel tank for thorough mixing of lubricating oil and fuel oil for subsequent combustion of the resultant mixture in the engine as fuel, said predetermined amount of lubricating oil withdrawn by said pump means at each signal interval and such predetermined intervals being such that said predetermined quantity of lubricating oil is withdrawn from said engine lubrication system over a predetermined lubricating oil drain time period; and means for maintaining a predetermined oil level in said oil pan; whereby lubricating oil removed by said pump means is replaced and the lubricating oil in said lubrication systems maintains a substantially constant acceptable contaminant level and the need for discrete periodic oil changes is eliminated.