| 摘要 |
An oil exchanger for a vehicle and an oil exchanging method using the same are provided to simplifying a structure of the oil exchanger and to automatically control the oil exchanger and to efficiently exchange oil filled in an auto transmission system through an input/output adapter or a level gauge hole by providing 3-way valves in lines for converting direction of oil and controlling the 3-way valves by respective electric motors. An oil exchanger for a vehicle includes a new oil container(T2) and a waste oil container(T1) located on an electronic scale, an oil pump(100) connected via intake lines(H11,H14-H16), a supply line including at least one check valve(CV2) and an input coupler, a discharge line including at least one check valve at the middle part and an output coupler at the one end, parallel lines(H28-H32) including sight glasses for sampling or checking waste oil and new oil flowing through the discharge line and including at least one check valve(CV1), first and second 3-way valves(TV1,TV2) provided at the intake line at the front of the oil pump so that oil of the new oil container is supplied through two 3-way valves and oil of the waste oil container is supplied through one 3-way valve, third and fourth 3-way valves(TV3,TV4) provided at the supply line between the oil pump and the check valve so that the oil is discharged to the waste oil container through one 3-way valve and connected through two 3-way valves, a fifth 3-way valve(TV5) branched from the discharge line between the waste oil container and the check valve and connected to a line between the check valve and a seventh check valve(TV7) via a circulation line, a sixth 3-way valve(TV6) provided at a branch point of the parallel lines, and an eighth 3-way valve(TV8) provided at the discharge line between the sixth 3-way valve and the output coupler while being connected to the sixth and seventh 3-way valves and the circulation line between the fifth and seventh 3-way valves.
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