Closed-loop oil-transfer system for a vehicle
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United States of America Patent
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Mar 28, 2017
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app pub date -
Mar 17, 2014
filing date -
Mar 15, 2013
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Abstract
A closed-loop oil transfer system for a commercial vehicle includes a refill reservoir having a sufficient amount of fresh, unused engine oil to completely replace the existing oil within the vehicle engine, and a waste reservoir dimensioned to accommodate the entire volume of existing engine oil. A bidirectional pump is in fluid communication with both the waste reservoir and refill reservoir via a series of pipes and valves. A control switch allows an operator to easily reverse the direction of the pump to transfer oil from the engine to the waste reservoir, or to transfer the fresh oil from the fill reservoir to the engine.
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