The purpose of this study is to provide the automatic transmission (10) with the oil tank (40) and,The oil (80) in the tank (40) is supplied to the oil pump (100) and of the automatic transmission (10),When the oil (80) from the oil pump (100) to the automatic transmission (50) is supplied, the pressure sensor (20) and,In an automatic oil pressure device composed of an oil pan (70),When the oil (80) is insufficient, the auxiliary oil tank (50) andGrade sensors (60) and (80) sensed by the amount of oil (80) in the above auxiliary tank (50),From the auxiliary oil tank (50) to the oil tank (40), the auxiliary oil pump (30) and the,It is arranged between the above oil tank (40) and the auxiliary oil tank (50), and the oil (80) of the auxiliary oil tank (50) is returned to the hole (52) of Zhixian,The pressure sensor (20) and the inductive sensor (60) and the interaction signal are approved, and the automatic speed change separator (failure) prevention device is composed of the controller (90) controlling the auxiliary oil pump (30).
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