Quick oil change apparatus and process

Details Quick oil change apparatus and process Quick oil change apparatus and process

2011-04-19

2011-04-19

Mansen, Michael R (Department: 3654)

Lubrication

Automobile crank and gear case service

C123S1960CP

Reexamination Certificate

active

07926617

ABSTRACT:
A method and apparatus for changing engine motor oil more quickly and simply than previously existing methods. To change oil on a gasoline or diesel engine, the conventional oil filter is removed and an adapter is screwed in its place. An inlet oil port of the adapter connects with the oil filter inlet line and an outlet port of the adapter connects to the oil filter outlet line. The adapter top is sealed with a recessed O-ring extending around the periphery so that oil can be pumped through the adapter into and out of the engine without leaking. The adapter inlet and outlet ports are connected by hoses/tubes to an external container with its own internal piston. The engine is turned on to idle and the engine oil pump pumps used oil from the oil pan out through the adapter outlet port into the external container. An external feed pump or valve can be used with an accumulator to temporarily hold a portion of the new oil pushed out of the piston/cylinder reducing the initial oil flow back into the engine providing enough oil flow and pressure to maintain adequate lubrication and reduce the dilution of new oil with used oil maximizing the quality of the replacement oil and minimizing the amount of new oil required in the displacement process.

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