Patent ID: 9605569
Date: 2017-03-28
CPC Classifications: F01M

Claim:
1. A closed-loop oil transfer system in combination with a vehicle having an engine crankcase oil reservoir, a crankcase oil pan and an engine oil-filter housing comprising: an oil refill reservoir mounted on said vehicle having an amount of fresh, unused engine oil to completely replace an entire quantity of existing oil within said engine crankcase oil reservoir, said crankcase oil pan and said engine oil-filter housing; a waste reservoir mounted on said vehicle dimensioned to accommodate the entire quantity of existing oil within said engine crankcase oil reservoir, said crankcase oil pan and said engine oil-filter housing; a bidirectional pump in select fluid communication with said engine oil pan, said engine oil filter and said waste reservoir; a first control switch that instructs said bidirectional pump to transfer oil in a first direction to deliver fluid from said engine oil pan and said engine oil-filter housing to said waste reservoir; means for delivering oil from said refill reservoir to said engine crankcase oil reservoir.